diff --git a/go.mod b/go.mod index d10ab997..fc6dbd3a 100644 --- a/go.mod +++ b/go.mod @@ -55,7 +55,7 @@ require ( github.com/xyproto/tinysvg v1.1.1 github.com/xyproto/unzip v0.0.0-20150601123358-823950573952 github.com/yosssi/gcss v0.1.0 - golang.org/x/net v0.28.0 + golang.org/x/net v0.29.0 ) require ( @@ -117,7 +117,7 @@ require ( go.uber.org/mock v0.4.0 // indirect go.uber.org/multierr v1.11.0 // indirect go.uber.org/zap v1.27.0 // indirect - golang.org/x/crypto v0.26.0 // indirect + golang.org/x/crypto v0.27.0 // indirect golang.org/x/exp v0.0.0-20240904232852-e7e105dedf7e // indirect golang.org/x/mod v0.21.0 // indirect golang.org/x/sync v0.8.0 // indirect diff --git a/go.sum b/go.sum index 29e0667e..d74ebc1f 100644 --- a/go.sum +++ b/go.sum @@ -313,8 +313,8 @@ golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5y golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4= golang.org/x/crypto v0.1.0/go.mod h1:RecgLatLF4+eUMCP1PoPZQb+cVrJcOPbHkTkbkB9sbw= golang.org/x/crypto v0.10.0/go.mod h1:o4eNf7Ede1fv+hwOwZsTHl9EsPFO6q6ZvYR8vYfY45I= -golang.org/x/crypto v0.26.0 h1:RrRspgV4mU+YwB4FYnuBoKsUapNIL5cohGAmSH3azsw= -golang.org/x/crypto v0.26.0/go.mod h1:GY7jblb9wI+FOo5y8/S2oY4zWP07AkOJ4+jxCqdqn54= +golang.org/x/crypto v0.27.0 h1:GXm2NjJrPaiv/h1tb2UH8QfgC/hOf/+z0p6PT8o1w7A= +golang.org/x/crypto v0.27.0/go.mod h1:1Xngt8kV6Dvbssa53Ziq6Eqn0HqbZi5Z6R0ZpwQzt70= golang.org/x/exp v0.0.0-20240904232852-e7e105dedf7e h1:I88y4caeGeuDQxgdoFPUq097j7kNfw6uvuiNxUBfcBk= golang.org/x/exp v0.0.0-20240904232852-e7e105dedf7e/go.mod h1:akd2r19cwCdwSwWeIdzYQGa/EZZyqcOdwWiwj5L5eKQ= golang.org/x/image v0.10.0/go.mod h1:jtrku+n79PfroUbvDdeUWMAI+heR786BofxrbiSF+J0= @@ -333,8 +333,8 @@ golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug golang.org/x/net v0.1.0/go.mod h1:Cx3nUiGt4eDBEyega/BKRp+/AlGL8hYe7U9odMt2Cco= golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs= golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg= -golang.org/x/net v0.28.0 h1:a9JDOJc5GMUJ0+UDqmLT86WiEy7iWyIhz8gz8E4e5hE= -golang.org/x/net v0.28.0/go.mod h1:yqtgsTWOOnlGLG9GFRrK3++bGOUEkNBoHZc8MEDWPNg= +golang.org/x/net v0.29.0 h1:5ORfpBpCs4HzDYoodCDBbwHzdR5UrLBZ3sOnUJmFoHo= +golang.org/x/net v0.29.0/go.mod h1:gLkgy8jTGERgjzMic6DS9+SP0ajcu6Xu3Orq/SpETg0= golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= diff --git a/vendor/golang.org/x/crypto/chacha20poly1305/chacha20poly1305_amd64.s b/vendor/golang.org/x/crypto/chacha20poly1305/chacha20poly1305_amd64.s index 731d2ac6..fd5ee845 100644 --- a/vendor/golang.org/x/crypto/chacha20poly1305/chacha20poly1305_amd64.s +++ b/vendor/golang.org/x/crypto/chacha20poly1305/chacha20poly1305_amd64.s @@ -1,2715 +1,9762 @@ -// Copyright 2016 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// This file was originally from https://golang.org/cl/24717 by Vlad Krasnov of CloudFlare. +// Code generated by command: go run chacha20poly1305_amd64_asm.go -out ../chacha20poly1305_amd64.s -pkg chacha20poly1305. DO NOT EDIT. //go:build gc && !purego #include "textflag.h" -// General register allocation -#define oup DI -#define inp SI -#define inl BX -#define adp CX // free to reuse, after we hash the additional data -#define keyp R8 // free to reuse, when we copy the key to stack -#define itr2 R9 // general iterator -#define itr1 CX // general iterator -#define acc0 R10 -#define acc1 R11 -#define acc2 R12 -#define t0 R13 -#define t1 R14 -#define t2 R15 -#define t3 R8 -// Register and stack allocation for the SSE code -#define rStore (0*16)(BP) -#define sStore (1*16)(BP) -#define state1Store (2*16)(BP) -#define state2Store (3*16)(BP) -#define tmpStore (4*16)(BP) -#define ctr0Store (5*16)(BP) -#define ctr1Store (6*16)(BP) -#define ctr2Store (7*16)(BP) -#define ctr3Store (8*16)(BP) -#define A0 X0 -#define A1 X1 -#define A2 X2 -#define B0 X3 -#define B1 X4 -#define B2 X5 -#define C0 X6 -#define C1 X7 -#define C2 X8 -#define D0 X9 -#define D1 X10 -#define D2 X11 -#define T0 X12 -#define T1 X13 -#define T2 X14 -#define T3 X15 -#define A3 T0 -#define B3 T1 -#define C3 T2 -#define D3 T3 -// Register and stack allocation for the AVX2 code -#define rsStoreAVX2 (0*32)(BP) -#define state1StoreAVX2 (1*32)(BP) -#define state2StoreAVX2 (2*32)(BP) -#define ctr0StoreAVX2 (3*32)(BP) -#define ctr1StoreAVX2 (4*32)(BP) -#define ctr2StoreAVX2 (5*32)(BP) -#define ctr3StoreAVX2 (6*32)(BP) -#define tmpStoreAVX2 (7*32)(BP) // 256 bytes on stack -#define AA0 Y0 -#define AA1 Y5 -#define AA2 Y6 -#define AA3 Y7 -#define BB0 Y14 -#define BB1 Y9 -#define BB2 Y10 -#define BB3 Y11 -#define CC0 Y12 -#define CC1 Y13 -#define CC2 Y8 -#define CC3 Y15 -#define DD0 Y4 -#define DD1 Y1 -#define DD2 Y2 -#define DD3 Y3 -#define TT0 DD3 -#define TT1 AA3 -#define TT2 BB3 -#define TT3 CC3 -// ChaCha20 constants -DATA ·chacha20Constants<>+0x00(SB)/4, $0x61707865 -DATA ·chacha20Constants<>+0x04(SB)/4, $0x3320646e -DATA ·chacha20Constants<>+0x08(SB)/4, $0x79622d32 -DATA ·chacha20Constants<>+0x0c(SB)/4, $0x6b206574 -DATA ·chacha20Constants<>+0x10(SB)/4, $0x61707865 -DATA ·chacha20Constants<>+0x14(SB)/4, $0x3320646e -DATA ·chacha20Constants<>+0x18(SB)/4, $0x79622d32 -DATA ·chacha20Constants<>+0x1c(SB)/4, $0x6b206574 -// <<< 16 with PSHUFB -DATA ·rol16<>+0x00(SB)/8, $0x0504070601000302 -DATA ·rol16<>+0x08(SB)/8, $0x0D0C0F0E09080B0A -DATA ·rol16<>+0x10(SB)/8, $0x0504070601000302 -DATA ·rol16<>+0x18(SB)/8, $0x0D0C0F0E09080B0A -// <<< 8 with PSHUFB -DATA ·rol8<>+0x00(SB)/8, $0x0605040702010003 -DATA ·rol8<>+0x08(SB)/8, $0x0E0D0C0F0A09080B -DATA ·rol8<>+0x10(SB)/8, $0x0605040702010003 -DATA ·rol8<>+0x18(SB)/8, $0x0E0D0C0F0A09080B - -DATA ·avx2InitMask<>+0x00(SB)/8, $0x0 -DATA ·avx2InitMask<>+0x08(SB)/8, $0x0 -DATA ·avx2InitMask<>+0x10(SB)/8, $0x1 -DATA ·avx2InitMask<>+0x18(SB)/8, $0x0 - -DATA ·avx2IncMask<>+0x00(SB)/8, $0x2 -DATA ·avx2IncMask<>+0x08(SB)/8, $0x0 -DATA ·avx2IncMask<>+0x10(SB)/8, $0x2 -DATA ·avx2IncMask<>+0x18(SB)/8, $0x0 -// Poly1305 key clamp -DATA ·polyClampMask<>+0x00(SB)/8, $0x0FFFFFFC0FFFFFFF -DATA ·polyClampMask<>+0x08(SB)/8, $0x0FFFFFFC0FFFFFFC -DATA ·polyClampMask<>+0x10(SB)/8, $0xFFFFFFFFFFFFFFFF -DATA ·polyClampMask<>+0x18(SB)/8, $0xFFFFFFFFFFFFFFFF - -DATA ·sseIncMask<>+0x00(SB)/8, $0x1 -DATA ·sseIncMask<>+0x08(SB)/8, $0x0 -// To load/store the last < 16 bytes in a buffer -DATA ·andMask<>+0x00(SB)/8, $0x00000000000000ff -DATA ·andMask<>+0x08(SB)/8, $0x0000000000000000 -DATA ·andMask<>+0x10(SB)/8, $0x000000000000ffff -DATA ·andMask<>+0x18(SB)/8, $0x0000000000000000 -DATA ·andMask<>+0x20(SB)/8, $0x0000000000ffffff -DATA ·andMask<>+0x28(SB)/8, $0x0000000000000000 -DATA ·andMask<>+0x30(SB)/8, $0x00000000ffffffff -DATA ·andMask<>+0x38(SB)/8, $0x0000000000000000 -DATA ·andMask<>+0x40(SB)/8, $0x000000ffffffffff -DATA ·andMask<>+0x48(SB)/8, $0x0000000000000000 -DATA ·andMask<>+0x50(SB)/8, $0x0000ffffffffffff -DATA ·andMask<>+0x58(SB)/8, $0x0000000000000000 -DATA ·andMask<>+0x60(SB)/8, $0x00ffffffffffffff -DATA ·andMask<>+0x68(SB)/8, $0x0000000000000000 -DATA ·andMask<>+0x70(SB)/8, $0xffffffffffffffff -DATA ·andMask<>+0x78(SB)/8, $0x0000000000000000 -DATA ·andMask<>+0x80(SB)/8, $0xffffffffffffffff -DATA ·andMask<>+0x88(SB)/8, $0x00000000000000ff -DATA ·andMask<>+0x90(SB)/8, $0xffffffffffffffff -DATA ·andMask<>+0x98(SB)/8, $0x000000000000ffff -DATA ·andMask<>+0xa0(SB)/8, $0xffffffffffffffff -DATA ·andMask<>+0xa8(SB)/8, $0x0000000000ffffff -DATA ·andMask<>+0xb0(SB)/8, $0xffffffffffffffff -DATA ·andMask<>+0xb8(SB)/8, $0x00000000ffffffff -DATA ·andMask<>+0xc0(SB)/8, $0xffffffffffffffff -DATA ·andMask<>+0xc8(SB)/8, $0x000000ffffffffff -DATA ·andMask<>+0xd0(SB)/8, $0xffffffffffffffff -DATA ·andMask<>+0xd8(SB)/8, $0x0000ffffffffffff -DATA ·andMask<>+0xe0(SB)/8, $0xffffffffffffffff -DATA ·andMask<>+0xe8(SB)/8, $0x00ffffffffffffff - -GLOBL ·chacha20Constants<>(SB), (NOPTR+RODATA), $32 -GLOBL ·rol16<>(SB), (NOPTR+RODATA), $32 -GLOBL ·rol8<>(SB), (NOPTR+RODATA), $32 -GLOBL ·sseIncMask<>(SB), (NOPTR+RODATA), $16 -GLOBL ·avx2IncMask<>(SB), (NOPTR+RODATA), $32 -GLOBL ·avx2InitMask<>(SB), (NOPTR+RODATA), $32 -GLOBL ·polyClampMask<>(SB), (NOPTR+RODATA), $32 -GLOBL ·andMask<>(SB), (NOPTR+RODATA), $240 -// No PALIGNR in Go ASM yet (but VPALIGNR is present). -#define shiftB0Left BYTE $0x66; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xdb; BYTE $0x04 // PALIGNR $4, X3, X3 -#define shiftB1Left BYTE $0x66; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xe4; BYTE $0x04 // PALIGNR $4, X4, X4 -#define shiftB2Left BYTE $0x66; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xed; BYTE $0x04 // PALIGNR $4, X5, X5 -#define shiftB3Left BYTE $0x66; BYTE $0x45; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xed; BYTE $0x04 // PALIGNR $4, X13, X13 -#define shiftC0Left BYTE $0x66; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xf6; BYTE $0x08 // PALIGNR $8, X6, X6 -#define shiftC1Left BYTE $0x66; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xff; BYTE $0x08 // PALIGNR $8, X7, X7 -#define shiftC2Left BYTE $0x66; BYTE $0x45; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xc0; BYTE $0x08 // PALIGNR $8, X8, X8 -#define shiftC3Left BYTE $0x66; BYTE $0x45; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xf6; BYTE $0x08 // PALIGNR $8, X14, X14 -#define shiftD0Left BYTE $0x66; BYTE $0x45; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xc9; BYTE $0x0c // PALIGNR $12, X9, X9 -#define shiftD1Left BYTE $0x66; BYTE $0x45; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xd2; BYTE $0x0c // PALIGNR $12, X10, X10 -#define shiftD2Left BYTE $0x66; BYTE $0x45; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xdb; BYTE $0x0c // PALIGNR $12, X11, X11 -#define shiftD3Left BYTE $0x66; BYTE $0x45; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xff; BYTE $0x0c // PALIGNR $12, X15, X15 -#define shiftB0Right BYTE $0x66; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xdb; BYTE $0x0c // PALIGNR $12, X3, X3 -#define shiftB1Right BYTE $0x66; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xe4; BYTE $0x0c // PALIGNR $12, X4, X4 -#define shiftB2Right BYTE $0x66; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xed; BYTE $0x0c // PALIGNR $12, X5, X5 -#define shiftB3Right BYTE $0x66; BYTE $0x45; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xed; BYTE $0x0c // PALIGNR $12, X13, X13 -#define shiftC0Right shiftC0Left -#define shiftC1Right shiftC1Left -#define shiftC2Right shiftC2Left -#define shiftC3Right shiftC3Left -#define shiftD0Right BYTE $0x66; BYTE $0x45; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xc9; BYTE $0x04 // PALIGNR $4, X9, X9 -#define shiftD1Right BYTE $0x66; BYTE $0x45; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xd2; BYTE $0x04 // PALIGNR $4, X10, X10 -#define shiftD2Right BYTE $0x66; BYTE $0x45; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xdb; BYTE $0x04 // PALIGNR $4, X11, X11 -#define shiftD3Right BYTE $0x66; BYTE $0x45; BYTE $0x0f; BYTE $0x3a; BYTE $0x0f; BYTE $0xff; BYTE $0x04 // PALIGNR $4, X15, X15 - -// Some macros - -// ROL rotates the uint32s in register R left by N bits, using temporary T. -#define ROL(N, R, T) \ - MOVO R, T; PSLLL $(N), T; PSRLL $(32-(N)), R; PXOR T, R - -// ROL16 rotates the uint32s in register R left by 16, using temporary T if needed. -#ifdef GOAMD64_v2 -#define ROL16(R, T) PSHUFB ·rol16<>(SB), R -#else -#define ROL16(R, T) ROL(16, R, T) -#endif - -// ROL8 rotates the uint32s in register R left by 8, using temporary T if needed. -#ifdef GOAMD64_v2 -#define ROL8(R, T) PSHUFB ·rol8<>(SB), R -#else -#define ROL8(R, T) ROL(8, R, T) -#endif - -#define chachaQR(A, B, C, D, T) \ - PADDD B, A; PXOR A, D; ROL16(D, T) \ - PADDD D, C; PXOR C, B; MOVO B, T; PSLLL $12, T; PSRLL $20, B; PXOR T, B \ - PADDD B, A; PXOR A, D; ROL8(D, T) \ - PADDD D, C; PXOR C, B; MOVO B, T; PSLLL $7, T; PSRLL $25, B; PXOR T, B - -#define chachaQR_AVX2(A, B, C, D, T) \ - VPADDD B, A, A; VPXOR A, D, D; VPSHUFB ·rol16<>(SB), D, D \ - VPADDD D, C, C; VPXOR C, B, B; VPSLLD $12, B, T; VPSRLD $20, B, B; VPXOR T, B, B \ - VPADDD B, A, A; VPXOR A, D, D; VPSHUFB ·rol8<>(SB), D, D \ - VPADDD D, C, C; VPXOR C, B, B; VPSLLD $7, B, T; VPSRLD $25, B, B; VPXOR T, B, B - -#define polyAdd(S) ADDQ S, acc0; ADCQ 8+S, acc1; ADCQ $1, acc2 -#define polyMulStage1 MOVQ (0*8)(BP), AX; MOVQ AX, t2; MULQ acc0; MOVQ AX, t0; MOVQ DX, t1; MOVQ (0*8)(BP), AX; MULQ acc1; IMULQ acc2, t2; ADDQ AX, t1; ADCQ DX, t2 -#define polyMulStage2 MOVQ (1*8)(BP), AX; MOVQ AX, t3; MULQ acc0; ADDQ AX, t1; ADCQ $0, DX; MOVQ DX, acc0; MOVQ (1*8)(BP), AX; MULQ acc1; ADDQ AX, t2; ADCQ $0, DX -#define polyMulStage3 IMULQ acc2, t3; ADDQ acc0, t2; ADCQ DX, t3 -#define polyMulReduceStage MOVQ t0, acc0; MOVQ t1, acc1; MOVQ t2, acc2; ANDQ $3, acc2; MOVQ t2, t0; ANDQ $-4, t0; MOVQ t3, t1; SHRQ $2, t3, t2; SHRQ $2, t3; ADDQ t0, acc0; ADCQ t1, acc1; ADCQ $0, acc2; ADDQ t2, acc0; ADCQ t3, acc1; ADCQ $0, acc2 - -#define polyMulStage1_AVX2 MOVQ (0*8)(BP), DX; MOVQ DX, t2; MULXQ acc0, t0, t1; IMULQ acc2, t2; MULXQ acc1, AX, DX; ADDQ AX, t1; ADCQ DX, t2 -#define polyMulStage2_AVX2 MOVQ (1*8)(BP), DX; MULXQ acc0, acc0, AX; ADDQ acc0, t1; MULXQ acc1, acc1, t3; ADCQ acc1, t2; ADCQ $0, t3 -#define polyMulStage3_AVX2 IMULQ acc2, DX; ADDQ AX, t2; ADCQ DX, t3 - -#define polyMul polyMulStage1; polyMulStage2; polyMulStage3; polyMulReduceStage -#define polyMulAVX2 polyMulStage1_AVX2; polyMulStage2_AVX2; polyMulStage3_AVX2; polyMulReduceStage -// ---------------------------------------------------------------------------- + +// func polyHashADInternal<>() TEXT polyHashADInternal<>(SB), NOSPLIT, $0 - // adp points to beginning of additional data - // itr2 holds ad length - XORQ acc0, acc0 - XORQ acc1, acc1 - XORQ acc2, acc2 - CMPQ itr2, $13 - JNE hashADLoop - -openFastTLSAD: - // Special treatment for the TLS case of 13 bytes - MOVQ (adp), acc0 - MOVQ 5(adp), acc1 - SHRQ $24, acc1 - MOVQ $1, acc2 - polyMul + // Hack: Must declare #define macros inside of a function due to Avo constraints + // ROL rotates the uint32s in register R left by N bits, using temporary T. + #define ROL(N, R, T) \ + MOVO R, T; \ + PSLLL $(N), T; \ + PSRLL $(32-(N)), R; \ + PXOR T, R + + // ROL8 rotates the uint32s in register R left by 8, using temporary T if needed. + #ifdef GOAMD64_v2 + #define ROL8(R, T) PSHUFB ·rol8<>(SB), R + #else + #define ROL8(R, T) ROL(8, R, T) + #endif + + // ROL16 rotates the uint32s in register R left by 16, using temporary T if needed. + #ifdef GOAMD64_v2 + #define ROL16(R, T) PSHUFB ·rol16<>(SB), R + #else + #define ROL16(R, T) ROL(16, R, T) + #endif + XORQ R10, R10 + XORQ R11, R11 + XORQ R12, R12 + CMPQ R9, $0x0d + JNE hashADLoop + MOVQ (CX), R10 + MOVQ 5(CX), R11 + SHRQ $0x18, R11 + MOVQ $0x00000001, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 RET hashADLoop: // Hash in 16 byte chunks - CMPQ itr2, $16 - JB hashADTail - polyAdd(0(adp)) - LEAQ (1*16)(adp), adp - SUBQ $16, itr2 - polyMul - JMP hashADLoop + CMPQ R9, $0x10 + JB hashADTail + ADDQ (CX), R10 + ADCQ 8(CX), R11 + ADCQ $0x01, R12 + LEAQ 16(CX), CX + SUBQ $0x10, R9 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + JMP hashADLoop hashADTail: - CMPQ itr2, $0 + CMPQ R9, $0x00 JE hashADDone // Hash last < 16 byte tail - XORQ t0, t0 - XORQ t1, t1 - XORQ t2, t2 - ADDQ itr2, adp + XORQ R13, R13 + XORQ R14, R14 + XORQ R15, R15 + ADDQ R9, CX hashADTailLoop: - SHLQ $8, t0, t1 - SHLQ $8, t0 - MOVB -1(adp), t2 - XORQ t2, t0 - DECQ adp - DECQ itr2 - JNE hashADTailLoop - -hashADTailFinish: - ADDQ t0, acc0; ADCQ t1, acc1; ADCQ $1, acc2 - polyMul - - // Finished AD + SHLQ $0x08, R13, R14 + SHLQ $0x08, R13 + MOVB -1(CX), R15 + XORQ R15, R13 + DECQ CX + DECQ R9 + JNE hashADTailLoop + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x01, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + hashADDone: RET -// ---------------------------------------------------------------------------- -// func chacha20Poly1305Open(dst, key, src, ad []byte) bool -TEXT ·chacha20Poly1305Open(SB), 0, $288-97 +// func chacha20Poly1305Open(dst []byte, key []uint32, src []byte, ad []byte) bool +// Requires: AVX, AVX2, BMI2, CMOV, SSE2 +TEXT ·chacha20Poly1305Open(SB), $288-97 // For aligned stack access MOVQ SP, BP - ADDQ $32, BP + ADDQ $0x20, BP ANDQ $-32, BP - MOVQ dst+0(FP), oup - MOVQ key+24(FP), keyp - MOVQ src+48(FP), inp - MOVQ src_len+56(FP), inl - MOVQ ad+72(FP), adp + MOVQ dst_base+0(FP), DI + MOVQ key_base+24(FP), R8 + MOVQ src_base+48(FP), SI + MOVQ src_len+56(FP), BX + MOVQ ad_base+72(FP), CX // Check for AVX2 support - CMPB ·useAVX2(SB), $1 + CMPB ·useAVX2+0(SB), $0x01 JE chacha20Poly1305Open_AVX2 // Special optimization, for very short buffers - CMPQ inl, $128 - JBE openSSE128 // About 16% faster + CMPQ BX, $0x80 + JBE openSSE128 // For long buffers, prepare the poly key first - MOVOU ·chacha20Constants<>(SB), A0 - MOVOU (1*16)(keyp), B0 - MOVOU (2*16)(keyp), C0 - MOVOU (3*16)(keyp), D0 - MOVO D0, T1 + MOVOU ·chacha20Constants<>+0(SB), X0 + MOVOU 16(R8), X3 + MOVOU 32(R8), X6 + MOVOU 48(R8), X9 + MOVO X9, X13 // Store state on stack for future use - MOVO B0, state1Store - MOVO C0, state2Store - MOVO D0, ctr3Store - MOVQ $10, itr2 + MOVO X3, 32(BP) + MOVO X6, 48(BP) + MOVO X9, 128(BP) + MOVQ $0x0000000a, R9 openSSEPreparePolyKey: - chachaQR(A0, B0, C0, D0, T0) - shiftB0Left; shiftC0Left; shiftD0Left - chachaQR(A0, B0, C0, D0, T0) - shiftB0Right; shiftC0Right; shiftD0Right - DECQ itr2 - JNE openSSEPreparePolyKey + PADDD X3, X0 + PXOR X0, X9 + ROL16(X9, X12) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X3 + PXOR X12, X3 + PADDD X3, X0 + PXOR X0, X9 + ROL8(X9, X12) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X3 + PXOR X12, X3 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xf6 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc9 + BYTE $0x0c + PADDD X3, X0 + PXOR X0, X9 + ROL16(X9, X12) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X3 + PXOR X12, X3 + PADDD X3, X0 + PXOR X0, X9 + ROL8(X9, X12) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X3 + PXOR X12, X3 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xf6 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc9 + BYTE $0x04 + DECQ R9 + JNE openSSEPreparePolyKey // A0|B0 hold the Poly1305 32-byte key, C0,D0 can be discarded - PADDL ·chacha20Constants<>(SB), A0; PADDL state1Store, B0 + PADDL ·chacha20Constants<>+0(SB), X0 + PADDL 32(BP), X3 // Clamp and store the key - PAND ·polyClampMask<>(SB), A0 - MOVO A0, rStore; MOVO B0, sStore + PAND ·polyClampMask<>+0(SB), X0 + MOVO X0, (BP) + MOVO X3, 16(BP) // Hash AAD - MOVQ ad_len+80(FP), itr2 + MOVQ ad_len+80(FP), R9 CALL polyHashADInternal<>(SB) openSSEMainLoop: - CMPQ inl, $256 + CMPQ BX, $0x00000100 JB openSSEMainLoopDone // Load state, increment counter blocks - MOVO ·chacha20Constants<>(SB), A0; MOVO state1Store, B0; MOVO state2Store, C0; MOVO ctr3Store, D0; PADDL ·sseIncMask<>(SB), D0 - MOVO A0, A1; MOVO B0, B1; MOVO C0, C1; MOVO D0, D1; PADDL ·sseIncMask<>(SB), D1 - MOVO A1, A2; MOVO B1, B2; MOVO C1, C2; MOVO D1, D2; PADDL ·sseIncMask<>(SB), D2 - MOVO A2, A3; MOVO B2, B3; MOVO C2, C3; MOVO D2, D3; PADDL ·sseIncMask<>(SB), D3 + MOVO ·chacha20Constants<>+0(SB), X0 + MOVO 32(BP), X3 + MOVO 48(BP), X6 + MOVO 128(BP), X9 + PADDL ·sseIncMask<>+0(SB), X9 + MOVO X0, X1 + MOVO X3, X4 + MOVO X6, X7 + MOVO X9, X10 + PADDL ·sseIncMask<>+0(SB), X10 + MOVO X1, X2 + MOVO X4, X5 + MOVO X7, X8 + MOVO X10, X11 + PADDL ·sseIncMask<>+0(SB), X11 + MOVO X2, X12 + MOVO X5, X13 + MOVO X8, X14 + MOVO X11, X15 + PADDL ·sseIncMask<>+0(SB), X15 // Store counters - MOVO D0, ctr0Store; MOVO D1, ctr1Store; MOVO D2, ctr2Store; MOVO D3, ctr3Store + MOVO X9, 80(BP) + MOVO X10, 96(BP) + MOVO X11, 112(BP) + MOVO X15, 128(BP) - // There are 10 ChaCha20 iterations of 2QR each, so for 6 iterations we hash 2 blocks, and for the remaining 4 only 1 block - for a total of 16 - MOVQ $4, itr1 - MOVQ inp, itr2 + // There are 10 ChaCha20 iterations of 2QR each, so for 6 iterations we hash + // 2 blocks, and for the remaining 4 only 1 block - for a total of 16 + MOVQ $0x00000004, CX + MOVQ SI, R9 openSSEInternalLoop: - MOVO C3, tmpStore - chachaQR(A0, B0, C0, D0, C3); chachaQR(A1, B1, C1, D1, C3); chachaQR(A2, B2, C2, D2, C3) - MOVO tmpStore, C3 - MOVO C1, tmpStore - chachaQR(A3, B3, C3, D3, C1) - MOVO tmpStore, C1 - polyAdd(0(itr2)) - shiftB0Left; shiftB1Left; shiftB2Left; shiftB3Left - shiftC0Left; shiftC1Left; shiftC2Left; shiftC3Left - shiftD0Left; shiftD1Left; shiftD2Left; shiftD3Left - polyMulStage1 - polyMulStage2 - LEAQ (2*8)(itr2), itr2 - MOVO C3, tmpStore - chachaQR(A0, B0, C0, D0, C3); chachaQR(A1, B1, C1, D1, C3); chachaQR(A2, B2, C2, D2, C3) - MOVO tmpStore, C3 - MOVO C1, tmpStore - polyMulStage3 - chachaQR(A3, B3, C3, D3, C1) - MOVO tmpStore, C1 - polyMulReduceStage - shiftB0Right; shiftB1Right; shiftB2Right; shiftB3Right - shiftC0Right; shiftC1Right; shiftC2Right; shiftC3Right - shiftD0Right; shiftD1Right; shiftD2Right; shiftD3Right - DECQ itr1 - JGE openSSEInternalLoop - - polyAdd(0(itr2)) - polyMul - LEAQ (2*8)(itr2), itr2 - - CMPQ itr1, $-6 - JG openSSEInternalLoop + MOVO X14, 64(BP) + PADDD X3, X0 + PXOR X0, X9 + ROL16(X9, X14) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X14 + PSLLL $0x0c, X14 + PSRLL $0x14, X3 + PXOR X14, X3 + PADDD X3, X0 + PXOR X0, X9 + ROL8(X9, X14) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X14 + PSLLL $0x07, X14 + PSRLL $0x19, X3 + PXOR X14, X3 + PADDD X4, X1 + PXOR X1, X10 + ROL16(X10, X14) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X14 + PSLLL $0x0c, X14 + PSRLL $0x14, X4 + PXOR X14, X4 + PADDD X4, X1 + PXOR X1, X10 + ROL8(X10, X14) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X14 + PSLLL $0x07, X14 + PSRLL $0x19, X4 + PXOR X14, X4 + PADDD X5, X2 + PXOR X2, X11 + ROL16(X11, X14) + PADDD X11, X8 + PXOR X8, X5 + MOVO X5, X14 + PSLLL $0x0c, X14 + PSRLL $0x14, X5 + PXOR X14, X5 + PADDD X5, X2 + PXOR X2, X11 + ROL8(X11, X14) + PADDD X11, X8 + PXOR X8, X5 + MOVO X5, X14 + PSLLL $0x07, X14 + PSRLL $0x19, X5 + PXOR X14, X5 + MOVO 64(BP), X14 + MOVO X7, 64(BP) + PADDD X13, X12 + PXOR X12, X15 + ROL16(X15, X7) + PADDD X15, X14 + PXOR X14, X13 + MOVO X13, X7 + PSLLL $0x0c, X7 + PSRLL $0x14, X13 + PXOR X7, X13 + PADDD X13, X12 + PXOR X12, X15 + ROL8(X15, X7) + PADDD X15, X14 + PXOR X14, X13 + MOVO X13, X7 + PSLLL $0x07, X7 + PSRLL $0x19, X13 + PXOR X7, X13 + MOVO 64(BP), X7 + ADDQ (R9), R10 + ADCQ 8(R9), R11 + ADCQ $0x01, R12 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xe4 + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xed + BYTE $0x04 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xed + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xf6 + BYTE $0x08 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xff + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc0 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xf6 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc9 + BYTE $0x0c + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xd2 + BYTE $0x0c + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x0c + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xff + BYTE $0x0c + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + LEAQ 16(R9), R9 + MOVO X14, 64(BP) + PADDD X3, X0 + PXOR X0, X9 + ROL16(X9, X14) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X14 + PSLLL $0x0c, X14 + PSRLL $0x14, X3 + PXOR X14, X3 + PADDD X3, X0 + PXOR X0, X9 + ROL8(X9, X14) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X14 + PSLLL $0x07, X14 + PSRLL $0x19, X3 + PXOR X14, X3 + PADDD X4, X1 + PXOR X1, X10 + ROL16(X10, X14) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X14 + PSLLL $0x0c, X14 + PSRLL $0x14, X4 + PXOR X14, X4 + PADDD X4, X1 + PXOR X1, X10 + ROL8(X10, X14) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X14 + PSLLL $0x07, X14 + PSRLL $0x19, X4 + PXOR X14, X4 + PADDD X5, X2 + PXOR X2, X11 + ROL16(X11, X14) + PADDD X11, X8 + PXOR X8, X5 + MOVO X5, X14 + PSLLL $0x0c, X14 + PSRLL $0x14, X5 + PXOR X14, X5 + PADDD X5, X2 + PXOR X2, X11 + ROL8(X11, X14) + PADDD X11, X8 + PXOR X8, X5 + MOVO X5, X14 + PSLLL $0x07, X14 + PSRLL $0x19, X5 + PXOR X14, X5 + MOVO 64(BP), X14 + MOVO X7, 64(BP) + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + PADDD X13, X12 + PXOR X12, X15 + ROL16(X15, X7) + PADDD X15, X14 + PXOR X14, X13 + MOVO X13, X7 + PSLLL $0x0c, X7 + PSRLL $0x14, X13 + PXOR X7, X13 + PADDD X13, X12 + PXOR X12, X15 + ROL8(X15, X7) + PADDD X15, X14 + PXOR X14, X13 + MOVO X13, X7 + PSLLL $0x07, X7 + PSRLL $0x19, X13 + PXOR X7, X13 + MOVO 64(BP), X7 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xe4 + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xed + BYTE $0x0c + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xed + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xf6 + BYTE $0x08 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xff + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc0 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xf6 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc9 + BYTE $0x04 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xd2 + BYTE $0x04 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x04 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xff + BYTE $0x04 + DECQ CX + JGE openSSEInternalLoop + ADDQ (R9), R10 + ADCQ 8(R9), R11 + ADCQ $0x01, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + LEAQ 16(R9), R9 + CMPQ CX, $-6 + JG openSSEInternalLoop // Add in the state - PADDD ·chacha20Constants<>(SB), A0; PADDD ·chacha20Constants<>(SB), A1; PADDD ·chacha20Constants<>(SB), A2; PADDD ·chacha20Constants<>(SB), A3 - PADDD state1Store, B0; PADDD state1Store, B1; PADDD state1Store, B2; PADDD state1Store, B3 - PADDD state2Store, C0; PADDD state2Store, C1; PADDD state2Store, C2; PADDD state2Store, C3 - PADDD ctr0Store, D0; PADDD ctr1Store, D1; PADDD ctr2Store, D2; PADDD ctr3Store, D3 + PADDD ·chacha20Constants<>+0(SB), X0 + PADDD ·chacha20Constants<>+0(SB), X1 + PADDD ·chacha20Constants<>+0(SB), X2 + PADDD ·chacha20Constants<>+0(SB), X12 + PADDD 32(BP), X3 + PADDD 32(BP), X4 + PADDD 32(BP), X5 + PADDD 32(BP), X13 + PADDD 48(BP), X6 + PADDD 48(BP), X7 + PADDD 48(BP), X8 + PADDD 48(BP), X14 + PADDD 80(BP), X9 + PADDD 96(BP), X10 + PADDD 112(BP), X11 + PADDD 128(BP), X15 // Load - xor - store - MOVO D3, tmpStore - MOVOU (0*16)(inp), D3; PXOR D3, A0; MOVOU A0, (0*16)(oup) - MOVOU (1*16)(inp), D3; PXOR D3, B0; MOVOU B0, (1*16)(oup) - MOVOU (2*16)(inp), D3; PXOR D3, C0; MOVOU C0, (2*16)(oup) - MOVOU (3*16)(inp), D3; PXOR D3, D0; MOVOU D0, (3*16)(oup) - MOVOU (4*16)(inp), D0; PXOR D0, A1; MOVOU A1, (4*16)(oup) - MOVOU (5*16)(inp), D0; PXOR D0, B1; MOVOU B1, (5*16)(oup) - MOVOU (6*16)(inp), D0; PXOR D0, C1; MOVOU C1, (6*16)(oup) - MOVOU (7*16)(inp), D0; PXOR D0, D1; MOVOU D1, (7*16)(oup) - MOVOU (8*16)(inp), D0; PXOR D0, A2; MOVOU A2, (8*16)(oup) - MOVOU (9*16)(inp), D0; PXOR D0, B2; MOVOU B2, (9*16)(oup) - MOVOU (10*16)(inp), D0; PXOR D0, C2; MOVOU C2, (10*16)(oup) - MOVOU (11*16)(inp), D0; PXOR D0, D2; MOVOU D2, (11*16)(oup) - MOVOU (12*16)(inp), D0; PXOR D0, A3; MOVOU A3, (12*16)(oup) - MOVOU (13*16)(inp), D0; PXOR D0, B3; MOVOU B3, (13*16)(oup) - MOVOU (14*16)(inp), D0; PXOR D0, C3; MOVOU C3, (14*16)(oup) - MOVOU (15*16)(inp), D0; PXOR tmpStore, D0; MOVOU D0, (15*16)(oup) - LEAQ 256(inp), inp - LEAQ 256(oup), oup - SUBQ $256, inl + MOVO X15, 64(BP) + MOVOU (SI), X15 + PXOR X15, X0 + MOVOU X0, (DI) + MOVOU 16(SI), X15 + PXOR X15, X3 + MOVOU X3, 16(DI) + MOVOU 32(SI), X15 + PXOR X15, X6 + MOVOU X6, 32(DI) + MOVOU 48(SI), X15 + PXOR X15, X9 + MOVOU X9, 48(DI) + MOVOU 64(SI), X9 + PXOR X9, X1 + MOVOU X1, 64(DI) + MOVOU 80(SI), X9 + PXOR X9, X4 + MOVOU X4, 80(DI) + MOVOU 96(SI), X9 + PXOR X9, X7 + MOVOU X7, 96(DI) + MOVOU 112(SI), X9 + PXOR X9, X10 + MOVOU X10, 112(DI) + MOVOU 128(SI), X9 + PXOR X9, X2 + MOVOU X2, 128(DI) + MOVOU 144(SI), X9 + PXOR X9, X5 + MOVOU X5, 144(DI) + MOVOU 160(SI), X9 + PXOR X9, X8 + MOVOU X8, 160(DI) + MOVOU 176(SI), X9 + PXOR X9, X11 + MOVOU X11, 176(DI) + MOVOU 192(SI), X9 + PXOR X9, X12 + MOVOU X12, 192(DI) + MOVOU 208(SI), X9 + PXOR X9, X13 + MOVOU X13, 208(DI) + MOVOU 224(SI), X9 + PXOR X9, X14 + MOVOU X14, 224(DI) + MOVOU 240(SI), X9 + PXOR 64(BP), X9 + MOVOU X9, 240(DI) + LEAQ 256(SI), SI + LEAQ 256(DI), DI + SUBQ $0x00000100, BX JMP openSSEMainLoop openSSEMainLoopDone: // Handle the various tail sizes efficiently - TESTQ inl, inl + TESTQ BX, BX JE openSSEFinalize - CMPQ inl, $64 + CMPQ BX, $0x40 JBE openSSETail64 - CMPQ inl, $128 + CMPQ BX, $0x80 JBE openSSETail128 - CMPQ inl, $192 + CMPQ BX, $0xc0 JBE openSSETail192 JMP openSSETail256 openSSEFinalize: // Hash in the PT, AAD lengths - ADDQ ad_len+80(FP), acc0; ADCQ src_len+56(FP), acc1; ADCQ $1, acc2 - polyMul + ADDQ ad_len+80(FP), R10 + ADCQ src_len+56(FP), R11 + ADCQ $0x01, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 // Final reduce - MOVQ acc0, t0 - MOVQ acc1, t1 - MOVQ acc2, t2 - SUBQ $-5, acc0 - SBBQ $-1, acc1 - SBBQ $3, acc2 - CMOVQCS t0, acc0 - CMOVQCS t1, acc1 - CMOVQCS t2, acc2 + MOVQ R10, R13 + MOVQ R11, R14 + MOVQ R12, R15 + SUBQ $-5, R10 + SBBQ $-1, R11 + SBBQ $0x03, R12 + CMOVQCS R13, R10 + CMOVQCS R14, R11 + CMOVQCS R15, R12 // Add in the "s" part of the key - ADDQ 0+sStore, acc0 - ADCQ 8+sStore, acc1 + ADDQ 16(BP), R10 + ADCQ 24(BP), R11 // Finally, constant time compare to the tag at the end of the message XORQ AX, AX - MOVQ $1, DX - XORQ (0*8)(inp), acc0 - XORQ (1*8)(inp), acc1 - ORQ acc1, acc0 + MOVQ $0x00000001, DX + XORQ (SI), R10 + XORQ 8(SI), R11 + ORQ R11, R10 CMOVQEQ DX, AX // Return true iff tags are equal MOVB AX, ret+96(FP) RET -// ---------------------------------------------------------------------------- -// Special optimization for buffers smaller than 129 bytes openSSE128: - // For up to 128 bytes of ciphertext and 64 bytes for the poly key, we require to process three blocks - MOVOU ·chacha20Constants<>(SB), A0; MOVOU (1*16)(keyp), B0; MOVOU (2*16)(keyp), C0; MOVOU (3*16)(keyp), D0 - MOVO A0, A1; MOVO B0, B1; MOVO C0, C1; MOVO D0, D1; PADDL ·sseIncMask<>(SB), D1 - MOVO A1, A2; MOVO B1, B2; MOVO C1, C2; MOVO D1, D2; PADDL ·sseIncMask<>(SB), D2 - MOVO B0, T1; MOVO C0, T2; MOVO D1, T3 - MOVQ $10, itr2 + MOVOU ·chacha20Constants<>+0(SB), X0 + MOVOU 16(R8), X3 + MOVOU 32(R8), X6 + MOVOU 48(R8), X9 + MOVO X0, X1 + MOVO X3, X4 + MOVO X6, X7 + MOVO X9, X10 + PADDL ·sseIncMask<>+0(SB), X10 + MOVO X1, X2 + MOVO X4, X5 + MOVO X7, X8 + MOVO X10, X11 + PADDL ·sseIncMask<>+0(SB), X11 + MOVO X3, X13 + MOVO X6, X14 + MOVO X10, X15 + MOVQ $0x0000000a, R9 openSSE128InnerCipherLoop: - chachaQR(A0, B0, C0, D0, T0); chachaQR(A1, B1, C1, D1, T0); chachaQR(A2, B2, C2, D2, T0) - shiftB0Left; shiftB1Left; shiftB2Left - shiftC0Left; shiftC1Left; shiftC2Left - shiftD0Left; shiftD1Left; shiftD2Left - chachaQR(A0, B0, C0, D0, T0); chachaQR(A1, B1, C1, D1, T0); chachaQR(A2, B2, C2, D2, T0) - shiftB0Right; shiftB1Right; shiftB2Right - shiftC0Right; shiftC1Right; shiftC2Right - shiftD0Right; shiftD1Right; shiftD2Right - DECQ itr2 - JNE openSSE128InnerCipherLoop + PADDD X3, X0 + PXOR X0, X9 + ROL16(X9, X12) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X3 + PXOR X12, X3 + PADDD X3, X0 + PXOR X0, X9 + ROL8(X9, X12) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X3 + PXOR X12, X3 + PADDD X4, X1 + PXOR X1, X10 + ROL16(X10, X12) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X4 + PXOR X12, X4 + PADDD X4, X1 + PXOR X1, X10 + ROL8(X10, X12) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X4 + PXOR X12, X4 + PADDD X5, X2 + PXOR X2, X11 + ROL16(X11, X12) + PADDD X11, X8 + PXOR X8, X5 + MOVO X5, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X5 + PXOR X12, X5 + PADDD X5, X2 + PXOR X2, X11 + ROL8(X11, X12) + PADDD X11, X8 + PXOR X8, X5 + MOVO X5, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X5 + PXOR X12, X5 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xe4 + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xed + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xf6 + BYTE $0x08 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xff + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc0 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc9 + BYTE $0x0c + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xd2 + BYTE $0x0c + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x0c + PADDD X3, X0 + PXOR X0, X9 + ROL16(X9, X12) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X3 + PXOR X12, X3 + PADDD X3, X0 + PXOR X0, X9 + ROL8(X9, X12) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X3 + PXOR X12, X3 + PADDD X4, X1 + PXOR X1, X10 + ROL16(X10, X12) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X4 + PXOR X12, X4 + PADDD X4, X1 + PXOR X1, X10 + ROL8(X10, X12) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X4 + PXOR X12, X4 + PADDD X5, X2 + PXOR X2, X11 + ROL16(X11, X12) + PADDD X11, X8 + PXOR X8, X5 + MOVO X5, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X5 + PXOR X12, X5 + PADDD X5, X2 + PXOR X2, X11 + ROL8(X11, X12) + PADDD X11, X8 + PXOR X8, X5 + MOVO X5, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X5 + PXOR X12, X5 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xe4 + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xed + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xf6 + BYTE $0x08 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xff + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc0 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc9 + BYTE $0x04 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xd2 + BYTE $0x04 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x04 + DECQ R9 + JNE openSSE128InnerCipherLoop // A0|B0 hold the Poly1305 32-byte key, C0,D0 can be discarded - PADDL ·chacha20Constants<>(SB), A0; PADDL ·chacha20Constants<>(SB), A1; PADDL ·chacha20Constants<>(SB), A2 - PADDL T1, B0; PADDL T1, B1; PADDL T1, B2 - PADDL T2, C1; PADDL T2, C2 - PADDL T3, D1; PADDL ·sseIncMask<>(SB), T3; PADDL T3, D2 + PADDL ·chacha20Constants<>+0(SB), X0 + PADDL ·chacha20Constants<>+0(SB), X1 + PADDL ·chacha20Constants<>+0(SB), X2 + PADDL X13, X3 + PADDL X13, X4 + PADDL X13, X5 + PADDL X14, X7 + PADDL X14, X8 + PADDL X15, X10 + PADDL ·sseIncMask<>+0(SB), X15 + PADDL X15, X11 // Clamp and store the key - PAND ·polyClampMask<>(SB), A0 - MOVOU A0, rStore; MOVOU B0, sStore + PAND ·polyClampMask<>+0(SB), X0 + MOVOU X0, (BP) + MOVOU X3, 16(BP) // Hash - MOVQ ad_len+80(FP), itr2 + MOVQ ad_len+80(FP), R9 CALL polyHashADInternal<>(SB) openSSE128Open: - CMPQ inl, $16 + CMPQ BX, $0x10 JB openSSETail16 - SUBQ $16, inl + SUBQ $0x10, BX // Load for hashing - polyAdd(0(inp)) + ADDQ (SI), R10 + ADCQ 8(SI), R11 + ADCQ $0x01, R12 // Load for decryption - MOVOU (inp), T0; PXOR T0, A1; MOVOU A1, (oup) - LEAQ (1*16)(inp), inp - LEAQ (1*16)(oup), oup - polyMul + MOVOU (SI), X12 + PXOR X12, X1 + MOVOU X1, (DI) + LEAQ 16(SI), SI + LEAQ 16(DI), DI + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 // Shift the stream "left" - MOVO B1, A1 - MOVO C1, B1 - MOVO D1, C1 - MOVO A2, D1 - MOVO B2, A2 - MOVO C2, B2 - MOVO D2, C2 + MOVO X4, X1 + MOVO X7, X4 + MOVO X10, X7 + MOVO X2, X10 + MOVO X5, X2 + MOVO X8, X5 + MOVO X11, X8 JMP openSSE128Open openSSETail16: - TESTQ inl, inl + TESTQ BX, BX JE openSSEFinalize // We can safely load the CT from the end, because it is padded with the MAC - MOVQ inl, itr2 - SHLQ $4, itr2 - LEAQ ·andMask<>(SB), t0 - MOVOU (inp), T0 - ADDQ inl, inp - PAND -16(t0)(itr2*1), T0 - MOVO T0, 0+tmpStore - MOVQ T0, t0 - MOVQ 8+tmpStore, t1 - PXOR A1, T0 + MOVQ BX, R9 + SHLQ $0x04, R9 + LEAQ ·andMask<>+0(SB), R13 + MOVOU (SI), X12 + ADDQ BX, SI + PAND -16(R13)(R9*1), X12 + MOVO X12, 64(BP) + MOVQ X12, R13 + MOVQ 72(BP), R14 + PXOR X1, X12 // We can only store one byte at a time, since plaintext can be shorter than 16 bytes openSSETail16Store: - MOVQ T0, t3 - MOVB t3, (oup) - PSRLDQ $1, T0 - INCQ oup - DECQ inl + MOVQ X12, R8 + MOVB R8, (DI) + PSRLDQ $0x01, X12 + INCQ DI + DECQ BX JNE openSSETail16Store - ADDQ t0, acc0; ADCQ t1, acc1; ADCQ $1, acc2 - polyMul + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x01, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 JMP openSSEFinalize -// ---------------------------------------------------------------------------- -// Special optimization for the last 64 bytes of ciphertext openSSETail64: - // Need to decrypt up to 64 bytes - prepare single block - MOVO ·chacha20Constants<>(SB), A0; MOVO state1Store, B0; MOVO state2Store, C0; MOVO ctr3Store, D0; PADDL ·sseIncMask<>(SB), D0; MOVO D0, ctr0Store - XORQ itr2, itr2 - MOVQ inl, itr1 - CMPQ itr1, $16 - JB openSSETail64LoopB + MOVO ·chacha20Constants<>+0(SB), X0 + MOVO 32(BP), X3 + MOVO 48(BP), X6 + MOVO 128(BP), X9 + PADDL ·sseIncMask<>+0(SB), X9 + MOVO X9, 80(BP) + XORQ R9, R9 + MOVQ BX, CX + CMPQ CX, $0x10 + JB openSSETail64LoopB openSSETail64LoopA: - // Perform ChaCha rounds, while hashing the remaining input - polyAdd(0(inp)(itr2*1)) - polyMul - SUBQ $16, itr1 + ADDQ (SI)(R9*1), R10 + ADCQ 8(SI)(R9*1), R11 + ADCQ $0x01, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + SUBQ $0x10, CX openSSETail64LoopB: - ADDQ $16, itr2 - chachaQR(A0, B0, C0, D0, T0) - shiftB0Left; shiftC0Left; shiftD0Left - chachaQR(A0, B0, C0, D0, T0) - shiftB0Right; shiftC0Right; shiftD0Right - - CMPQ itr1, $16 - JAE openSSETail64LoopA - - CMPQ itr2, $160 - JNE openSSETail64LoopB - - PADDL ·chacha20Constants<>(SB), A0; PADDL state1Store, B0; PADDL state2Store, C0; PADDL ctr0Store, D0 + ADDQ $0x10, R9 + PADDD X3, X0 + PXOR X0, X9 + ROL16(X9, X12) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X3 + PXOR X12, X3 + PADDD X3, X0 + PXOR X0, X9 + ROL8(X9, X12) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X3 + PXOR X12, X3 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xf6 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc9 + BYTE $0x0c + PADDD X3, X0 + PXOR X0, X9 + ROL16(X9, X12) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X3 + PXOR X12, X3 + PADDD X3, X0 + PXOR X0, X9 + ROL8(X9, X12) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X3 + PXOR X12, X3 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xf6 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc9 + BYTE $0x04 + CMPQ CX, $0x10 + JAE openSSETail64LoopA + CMPQ R9, $0xa0 + JNE openSSETail64LoopB + PADDL ·chacha20Constants<>+0(SB), X0 + PADDL 32(BP), X3 + PADDL 48(BP), X6 + PADDL 80(BP), X9 openSSETail64DecLoop: - CMPQ inl, $16 + CMPQ BX, $0x10 JB openSSETail64DecLoopDone - SUBQ $16, inl - MOVOU (inp), T0 - PXOR T0, A0 - MOVOU A0, (oup) - LEAQ 16(inp), inp - LEAQ 16(oup), oup - MOVO B0, A0 - MOVO C0, B0 - MOVO D0, C0 + SUBQ $0x10, BX + MOVOU (SI), X12 + PXOR X12, X0 + MOVOU X0, (DI) + LEAQ 16(SI), SI + LEAQ 16(DI), DI + MOVO X3, X0 + MOVO X6, X3 + MOVO X9, X6 JMP openSSETail64DecLoop openSSETail64DecLoopDone: - MOVO A0, A1 + MOVO X0, X1 JMP openSSETail16 -// ---------------------------------------------------------------------------- -// Special optimization for the last 128 bytes of ciphertext openSSETail128: - // Need to decrypt up to 128 bytes - prepare two blocks - MOVO ·chacha20Constants<>(SB), A1; MOVO state1Store, B1; MOVO state2Store, C1; MOVO ctr3Store, D1; PADDL ·sseIncMask<>(SB), D1; MOVO D1, ctr0Store - MOVO A1, A0; MOVO B1, B0; MOVO C1, C0; MOVO D1, D0; PADDL ·sseIncMask<>(SB), D0; MOVO D0, ctr1Store - XORQ itr2, itr2 - MOVQ inl, itr1 - ANDQ $-16, itr1 + MOVO ·chacha20Constants<>+0(SB), X1 + MOVO 32(BP), X4 + MOVO 48(BP), X7 + MOVO 128(BP), X10 + PADDL ·sseIncMask<>+0(SB), X10 + MOVO X10, 80(BP) + MOVO X1, X0 + MOVO X4, X3 + MOVO X7, X6 + MOVO X10, X9 + PADDL ·sseIncMask<>+0(SB), X9 + MOVO X9, 96(BP) + XORQ R9, R9 + MOVQ BX, CX + ANDQ $-16, CX openSSETail128LoopA: - // Perform ChaCha rounds, while hashing the remaining input - polyAdd(0(inp)(itr2*1)) - polyMul + ADDQ (SI)(R9*1), R10 + ADCQ 8(SI)(R9*1), R11 + ADCQ $0x01, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 openSSETail128LoopB: - ADDQ $16, itr2 - chachaQR(A0, B0, C0, D0, T0); chachaQR(A1, B1, C1, D1, T0) - shiftB0Left; shiftC0Left; shiftD0Left - shiftB1Left; shiftC1Left; shiftD1Left - chachaQR(A0, B0, C0, D0, T0); chachaQR(A1, B1, C1, D1, T0) - shiftB0Right; shiftC0Right; shiftD0Right - shiftB1Right; shiftC1Right; shiftD1Right - - CMPQ itr2, itr1 - JB openSSETail128LoopA - - CMPQ itr2, $160 - JNE openSSETail128LoopB - - PADDL ·chacha20Constants<>(SB), A0; PADDL ·chacha20Constants<>(SB), A1 - PADDL state1Store, B0; PADDL state1Store, B1 - PADDL state2Store, C0; PADDL state2Store, C1 - PADDL ctr1Store, D0; PADDL ctr0Store, D1 - - MOVOU (0*16)(inp), T0; MOVOU (1*16)(inp), T1; MOVOU (2*16)(inp), T2; MOVOU (3*16)(inp), T3 - PXOR T0, A1; PXOR T1, B1; PXOR T2, C1; PXOR T3, D1 - MOVOU A1, (0*16)(oup); MOVOU B1, (1*16)(oup); MOVOU C1, (2*16)(oup); MOVOU D1, (3*16)(oup) - - SUBQ $64, inl - LEAQ 64(inp), inp - LEAQ 64(oup), oup - JMP openSSETail64DecLoop - -// ---------------------------------------------------------------------------- -// Special optimization for the last 192 bytes of ciphertext + ADDQ $0x10, R9 + PADDD X3, X0 + PXOR X0, X9 + ROL16(X9, X12) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X3 + PXOR X12, X3 + PADDD X3, X0 + PXOR X0, X9 + ROL8(X9, X12) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X3 + PXOR X12, X3 + PADDD X4, X1 + PXOR X1, X10 + ROL16(X10, X12) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X4 + PXOR X12, X4 + PADDD X4, X1 + PXOR X1, X10 + ROL8(X10, X12) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X4 + PXOR X12, X4 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xf6 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc9 + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xe4 + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xff + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xd2 + BYTE $0x0c + PADDD X3, X0 + PXOR X0, X9 + ROL16(X9, X12) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X3 + PXOR X12, X3 + PADDD X3, X0 + PXOR X0, X9 + ROL8(X9, X12) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X3 + PXOR X12, X3 + PADDD X4, X1 + PXOR X1, X10 + ROL16(X10, X12) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X4 + PXOR X12, X4 + PADDD X4, X1 + PXOR X1, X10 + ROL8(X10, X12) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X4 + PXOR X12, X4 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xf6 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc9 + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xe4 + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xff + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xd2 + BYTE $0x04 + CMPQ R9, CX + JB openSSETail128LoopA + CMPQ R9, $0xa0 + JNE openSSETail128LoopB + PADDL ·chacha20Constants<>+0(SB), X0 + PADDL ·chacha20Constants<>+0(SB), X1 + PADDL 32(BP), X3 + PADDL 32(BP), X4 + PADDL 48(BP), X6 + PADDL 48(BP), X7 + PADDL 96(BP), X9 + PADDL 80(BP), X10 + MOVOU (SI), X12 + MOVOU 16(SI), X13 + MOVOU 32(SI), X14 + MOVOU 48(SI), X15 + PXOR X12, X1 + PXOR X13, X4 + PXOR X14, X7 + PXOR X15, X10 + MOVOU X1, (DI) + MOVOU X4, 16(DI) + MOVOU X7, 32(DI) + MOVOU X10, 48(DI) + SUBQ $0x40, BX + LEAQ 64(SI), SI + LEAQ 64(DI), DI + JMP openSSETail64DecLoop + openSSETail192: - // Need to decrypt up to 192 bytes - prepare three blocks - MOVO ·chacha20Constants<>(SB), A2; MOVO state1Store, B2; MOVO state2Store, C2; MOVO ctr3Store, D2; PADDL ·sseIncMask<>(SB), D2; MOVO D2, ctr0Store - MOVO A2, A1; MOVO B2, B1; MOVO C2, C1; MOVO D2, D1; PADDL ·sseIncMask<>(SB), D1; MOVO D1, ctr1Store - MOVO A1, A0; MOVO B1, B0; MOVO C1, C0; MOVO D1, D0; PADDL ·sseIncMask<>(SB), D0; MOVO D0, ctr2Store - - MOVQ inl, itr1 - MOVQ $160, itr2 - CMPQ itr1, $160 - CMOVQGT itr2, itr1 - ANDQ $-16, itr1 - XORQ itr2, itr2 + MOVO ·chacha20Constants<>+0(SB), X2 + MOVO 32(BP), X5 + MOVO 48(BP), X8 + MOVO 128(BP), X11 + PADDL ·sseIncMask<>+0(SB), X11 + MOVO X11, 80(BP) + MOVO X2, X1 + MOVO X5, X4 + MOVO X8, X7 + MOVO X11, X10 + PADDL ·sseIncMask<>+0(SB), X10 + MOVO X10, 96(BP) + MOVO X1, X0 + MOVO X4, X3 + MOVO X7, X6 + MOVO X10, X9 + PADDL ·sseIncMask<>+0(SB), X9 + MOVO X9, 112(BP) + MOVQ BX, CX + MOVQ $0x000000a0, R9 + CMPQ CX, $0xa0 + CMOVQGT R9, CX + ANDQ $-16, CX + XORQ R9, R9 openSSLTail192LoopA: - // Perform ChaCha rounds, while hashing the remaining input - polyAdd(0(inp)(itr2*1)) - polyMul + ADDQ (SI)(R9*1), R10 + ADCQ 8(SI)(R9*1), R11 + ADCQ $0x01, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 openSSLTail192LoopB: - ADDQ $16, itr2 - chachaQR(A0, B0, C0, D0, T0); chachaQR(A1, B1, C1, D1, T0); chachaQR(A2, B2, C2, D2, T0) - shiftB0Left; shiftC0Left; shiftD0Left - shiftB1Left; shiftC1Left; shiftD1Left - shiftB2Left; shiftC2Left; shiftD2Left - - chachaQR(A0, B0, C0, D0, T0); chachaQR(A1, B1, C1, D1, T0); chachaQR(A2, B2, C2, D2, T0) - shiftB0Right; shiftC0Right; shiftD0Right - shiftB1Right; shiftC1Right; shiftD1Right - shiftB2Right; shiftC2Right; shiftD2Right - - CMPQ itr2, itr1 - JB openSSLTail192LoopA - - CMPQ itr2, $160 - JNE openSSLTail192LoopB - - CMPQ inl, $176 - JB openSSLTail192Store - - polyAdd(160(inp)) - polyMul - - CMPQ inl, $192 - JB openSSLTail192Store - - polyAdd(176(inp)) - polyMul + ADDQ $0x10, R9 + PADDD X3, X0 + PXOR X0, X9 + ROL16(X9, X12) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X3 + PXOR X12, X3 + PADDD X3, X0 + PXOR X0, X9 + ROL8(X9, X12) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X3 + PXOR X12, X3 + PADDD X4, X1 + PXOR X1, X10 + ROL16(X10, X12) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X4 + PXOR X12, X4 + PADDD X4, X1 + PXOR X1, X10 + ROL8(X10, X12) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X4 + PXOR X12, X4 + PADDD X5, X2 + PXOR X2, X11 + ROL16(X11, X12) + PADDD X11, X8 + PXOR X8, X5 + MOVO X5, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X5 + PXOR X12, X5 + PADDD X5, X2 + PXOR X2, X11 + ROL8(X11, X12) + PADDD X11, X8 + PXOR X8, X5 + MOVO X5, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X5 + PXOR X12, X5 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xf6 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc9 + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xe4 + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xff + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xd2 + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xed + BYTE $0x04 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc0 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x0c + PADDD X3, X0 + PXOR X0, X9 + ROL16(X9, X12) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X3 + PXOR X12, X3 + PADDD X3, X0 + PXOR X0, X9 + ROL8(X9, X12) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X3 + PXOR X12, X3 + PADDD X4, X1 + PXOR X1, X10 + ROL16(X10, X12) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X4 + PXOR X12, X4 + PADDD X4, X1 + PXOR X1, X10 + ROL8(X10, X12) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X4 + PXOR X12, X4 + PADDD X5, X2 + PXOR X2, X11 + ROL16(X11, X12) + PADDD X11, X8 + PXOR X8, X5 + MOVO X5, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X5 + PXOR X12, X5 + PADDD X5, X2 + PXOR X2, X11 + ROL8(X11, X12) + PADDD X11, X8 + PXOR X8, X5 + MOVO X5, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X5 + PXOR X12, X5 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xf6 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc9 + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xe4 + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xff + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xd2 + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xed + BYTE $0x0c + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc0 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x04 + CMPQ R9, CX + JB openSSLTail192LoopA + CMPQ R9, $0xa0 + JNE openSSLTail192LoopB + CMPQ BX, $0xb0 + JB openSSLTail192Store + ADDQ 160(SI), R10 + ADCQ 168(SI), R11 + ADCQ $0x01, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + CMPQ BX, $0xc0 + JB openSSLTail192Store + ADDQ 176(SI), R10 + ADCQ 184(SI), R11 + ADCQ $0x01, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 openSSLTail192Store: - PADDL ·chacha20Constants<>(SB), A0; PADDL ·chacha20Constants<>(SB), A1; PADDL ·chacha20Constants<>(SB), A2 - PADDL state1Store, B0; PADDL state1Store, B1; PADDL state1Store, B2 - PADDL state2Store, C0; PADDL state2Store, C1; PADDL state2Store, C2 - PADDL ctr2Store, D0; PADDL ctr1Store, D1; PADDL ctr0Store, D2 - - MOVOU (0*16)(inp), T0; MOVOU (1*16)(inp), T1; MOVOU (2*16)(inp), T2; MOVOU (3*16)(inp), T3 - PXOR T0, A2; PXOR T1, B2; PXOR T2, C2; PXOR T3, D2 - MOVOU A2, (0*16)(oup); MOVOU B2, (1*16)(oup); MOVOU C2, (2*16)(oup); MOVOU D2, (3*16)(oup) - - MOVOU (4*16)(inp), T0; MOVOU (5*16)(inp), T1; MOVOU (6*16)(inp), T2; MOVOU (7*16)(inp), T3 - PXOR T0, A1; PXOR T1, B1; PXOR T2, C1; PXOR T3, D1 - MOVOU A1, (4*16)(oup); MOVOU B1, (5*16)(oup); MOVOU C1, (6*16)(oup); MOVOU D1, (7*16)(oup) - - SUBQ $128, inl - LEAQ 128(inp), inp - LEAQ 128(oup), oup - JMP openSSETail64DecLoop - -// ---------------------------------------------------------------------------- -// Special optimization for the last 256 bytes of ciphertext + PADDL ·chacha20Constants<>+0(SB), X0 + PADDL ·chacha20Constants<>+0(SB), X1 + PADDL ·chacha20Constants<>+0(SB), X2 + PADDL 32(BP), X3 + PADDL 32(BP), X4 + PADDL 32(BP), X5 + PADDL 48(BP), X6 + PADDL 48(BP), X7 + PADDL 48(BP), X8 + PADDL 112(BP), X9 + PADDL 96(BP), X10 + PADDL 80(BP), X11 + MOVOU (SI), X12 + MOVOU 16(SI), X13 + MOVOU 32(SI), X14 + MOVOU 48(SI), X15 + PXOR X12, X2 + PXOR X13, X5 + PXOR X14, X8 + PXOR X15, X11 + MOVOU X2, (DI) + MOVOU X5, 16(DI) + MOVOU X8, 32(DI) + MOVOU X11, 48(DI) + MOVOU 64(SI), X12 + MOVOU 80(SI), X13 + MOVOU 96(SI), X14 + MOVOU 112(SI), X15 + PXOR X12, X1 + PXOR X13, X4 + PXOR X14, X7 + PXOR X15, X10 + MOVOU X1, 64(DI) + MOVOU X4, 80(DI) + MOVOU X7, 96(DI) + MOVOU X10, 112(DI) + SUBQ $0x80, BX + LEAQ 128(SI), SI + LEAQ 128(DI), DI + JMP openSSETail64DecLoop + openSSETail256: - // Need to decrypt up to 256 bytes - prepare four blocks - MOVO ·chacha20Constants<>(SB), A0; MOVO state1Store, B0; MOVO state2Store, C0; MOVO ctr3Store, D0; PADDL ·sseIncMask<>(SB), D0 - MOVO A0, A1; MOVO B0, B1; MOVO C0, C1; MOVO D0, D1; PADDL ·sseIncMask<>(SB), D1 - MOVO A1, A2; MOVO B1, B2; MOVO C1, C2; MOVO D1, D2; PADDL ·sseIncMask<>(SB), D2 - MOVO A2, A3; MOVO B2, B3; MOVO C2, C3; MOVO D2, D3; PADDL ·sseIncMask<>(SB), D3 + MOVO ·chacha20Constants<>+0(SB), X0 + MOVO 32(BP), X3 + MOVO 48(BP), X6 + MOVO 128(BP), X9 + PADDL ·sseIncMask<>+0(SB), X9 + MOVO X0, X1 + MOVO X3, X4 + MOVO X6, X7 + MOVO X9, X10 + PADDL ·sseIncMask<>+0(SB), X10 + MOVO X1, X2 + MOVO X4, X5 + MOVO X7, X8 + MOVO X10, X11 + PADDL ·sseIncMask<>+0(SB), X11 + MOVO X2, X12 + MOVO X5, X13 + MOVO X8, X14 + MOVO X11, X15 + PADDL ·sseIncMask<>+0(SB), X15 // Store counters - MOVO D0, ctr0Store; MOVO D1, ctr1Store; MOVO D2, ctr2Store; MOVO D3, ctr3Store - XORQ itr2, itr2 + MOVO X9, 80(BP) + MOVO X10, 96(BP) + MOVO X11, 112(BP) + MOVO X15, 128(BP) + XORQ R9, R9 openSSETail256Loop: - // This loop inteleaves 8 ChaCha quarter rounds with 1 poly multiplication - polyAdd(0(inp)(itr2*1)) - MOVO C3, tmpStore - chachaQR(A0, B0, C0, D0, C3); chachaQR(A1, B1, C1, D1, C3); chachaQR(A2, B2, C2, D2, C3) - MOVO tmpStore, C3 - MOVO C1, tmpStore - chachaQR(A3, B3, C3, D3, C1) - MOVO tmpStore, C1 - shiftB0Left; shiftB1Left; shiftB2Left; shiftB3Left - shiftC0Left; shiftC1Left; shiftC2Left; shiftC3Left - shiftD0Left; shiftD1Left; shiftD2Left; shiftD3Left - polyMulStage1 - polyMulStage2 - MOVO C3, tmpStore - chachaQR(A0, B0, C0, D0, C3); chachaQR(A1, B1, C1, D1, C3); chachaQR(A2, B2, C2, D2, C3) - MOVO tmpStore, C3 - MOVO C1, tmpStore - chachaQR(A3, B3, C3, D3, C1) - MOVO tmpStore, C1 - polyMulStage3 - polyMulReduceStage - shiftB0Right; shiftB1Right; shiftB2Right; shiftB3Right - shiftC0Right; shiftC1Right; shiftC2Right; shiftC3Right - shiftD0Right; shiftD1Right; shiftD2Right; shiftD3Right - ADDQ $2*8, itr2 - CMPQ itr2, $160 - JB openSSETail256Loop - MOVQ inl, itr1 - ANDQ $-16, itr1 + ADDQ (SI)(R9*1), R10 + ADCQ 8(SI)(R9*1), R11 + ADCQ $0x01, R12 + MOVO X14, 64(BP) + PADDD X3, X0 + PXOR X0, X9 + ROL16(X9, X14) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X14 + PSLLL $0x0c, X14 + PSRLL $0x14, X3 + PXOR X14, X3 + PADDD X3, X0 + PXOR X0, X9 + ROL8(X9, X14) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X14 + PSLLL $0x07, X14 + PSRLL $0x19, X3 + PXOR X14, X3 + PADDD X4, X1 + PXOR X1, X10 + ROL16(X10, X14) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X14 + PSLLL $0x0c, X14 + PSRLL $0x14, X4 + PXOR X14, X4 + PADDD X4, X1 + PXOR X1, X10 + ROL8(X10, X14) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X14 + PSLLL $0x07, X14 + PSRLL $0x19, X4 + PXOR X14, X4 + PADDD X5, X2 + PXOR X2, X11 + ROL16(X11, X14) + PADDD X11, X8 + PXOR X8, X5 + MOVO X5, X14 + PSLLL $0x0c, X14 + PSRLL $0x14, X5 + PXOR X14, X5 + PADDD X5, X2 + PXOR X2, X11 + ROL8(X11, X14) + PADDD X11, X8 + PXOR X8, X5 + MOVO X5, X14 + PSLLL $0x07, X14 + PSRLL $0x19, X5 + PXOR X14, X5 + MOVO 64(BP), X14 + MOVO X7, 64(BP) + PADDD X13, X12 + PXOR X12, X15 + ROL16(X15, X7) + PADDD X15, X14 + PXOR X14, X13 + MOVO X13, X7 + PSLLL $0x0c, X7 + PSRLL $0x14, X13 + PXOR X7, X13 + PADDD X13, X12 + PXOR X12, X15 + ROL8(X15, X7) + PADDD X15, X14 + PXOR X14, X13 + MOVO X13, X7 + PSLLL $0x07, X7 + PSRLL $0x19, X13 + PXOR X7, X13 + MOVO 64(BP), X7 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xe4 + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xed + BYTE $0x04 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xed + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xf6 + BYTE $0x08 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xff + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc0 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xf6 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc9 + BYTE $0x0c + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xd2 + BYTE $0x0c + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x0c + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xff + BYTE $0x0c + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + MOVO X14, 64(BP) + PADDD X3, X0 + PXOR X0, X9 + ROL16(X9, X14) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X14 + PSLLL $0x0c, X14 + PSRLL $0x14, X3 + PXOR X14, X3 + PADDD X3, X0 + PXOR X0, X9 + ROL8(X9, X14) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X14 + PSLLL $0x07, X14 + PSRLL $0x19, X3 + PXOR X14, X3 + PADDD X4, X1 + PXOR X1, X10 + ROL16(X10, X14) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X14 + PSLLL $0x0c, X14 + PSRLL $0x14, X4 + PXOR X14, X4 + PADDD X4, X1 + PXOR X1, X10 + ROL8(X10, X14) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X14 + PSLLL $0x07, X14 + PSRLL $0x19, X4 + PXOR X14, X4 + PADDD X5, X2 + PXOR X2, X11 + ROL16(X11, X14) + PADDD X11, X8 + PXOR X8, X5 + MOVO X5, X14 + PSLLL $0x0c, X14 + PSRLL $0x14, X5 + PXOR X14, X5 + PADDD X5, X2 + PXOR X2, X11 + ROL8(X11, X14) + PADDD X11, X8 + PXOR X8, X5 + MOVO X5, X14 + PSLLL $0x07, X14 + PSRLL $0x19, X5 + PXOR X14, X5 + MOVO 64(BP), X14 + MOVO X7, 64(BP) + PADDD X13, X12 + PXOR X12, X15 + ROL16(X15, X7) + PADDD X15, X14 + PXOR X14, X13 + MOVO X13, X7 + PSLLL $0x0c, X7 + PSRLL $0x14, X13 + PXOR X7, X13 + PADDD X13, X12 + PXOR X12, X15 + ROL8(X15, X7) + PADDD X15, X14 + PXOR X14, X13 + MOVO X13, X7 + PSLLL $0x07, X7 + PSRLL $0x19, X13 + PXOR X7, X13 + MOVO 64(BP), X7 + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xe4 + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xed + BYTE $0x0c + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xed + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xf6 + BYTE $0x08 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xff + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc0 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xf6 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc9 + BYTE $0x04 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xd2 + BYTE $0x04 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x04 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xff + BYTE $0x04 + ADDQ $0x10, R9 + CMPQ R9, $0xa0 + JB openSSETail256Loop + MOVQ BX, CX + ANDQ $-16, CX openSSETail256HashLoop: - polyAdd(0(inp)(itr2*1)) - polyMul - ADDQ $2*8, itr2 - CMPQ itr2, itr1 - JB openSSETail256HashLoop + ADDQ (SI)(R9*1), R10 + ADCQ 8(SI)(R9*1), R11 + ADCQ $0x01, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + ADDQ $0x10, R9 + CMPQ R9, CX + JB openSSETail256HashLoop // Add in the state - PADDD ·chacha20Constants<>(SB), A0; PADDD ·chacha20Constants<>(SB), A1; PADDD ·chacha20Constants<>(SB), A2; PADDD ·chacha20Constants<>(SB), A3 - PADDD state1Store, B0; PADDD state1Store, B1; PADDD state1Store, B2; PADDD state1Store, B3 - PADDD state2Store, C0; PADDD state2Store, C1; PADDD state2Store, C2; PADDD state2Store, C3 - PADDD ctr0Store, D0; PADDD ctr1Store, D1; PADDD ctr2Store, D2; PADDD ctr3Store, D3 - MOVO D3, tmpStore + PADDD ·chacha20Constants<>+0(SB), X0 + PADDD ·chacha20Constants<>+0(SB), X1 + PADDD ·chacha20Constants<>+0(SB), X2 + PADDD ·chacha20Constants<>+0(SB), X12 + PADDD 32(BP), X3 + PADDD 32(BP), X4 + PADDD 32(BP), X5 + PADDD 32(BP), X13 + PADDD 48(BP), X6 + PADDD 48(BP), X7 + PADDD 48(BP), X8 + PADDD 48(BP), X14 + PADDD 80(BP), X9 + PADDD 96(BP), X10 + PADDD 112(BP), X11 + PADDD 128(BP), X15 + MOVO X15, 64(BP) // Load - xor - store - MOVOU (0*16)(inp), D3; PXOR D3, A0 - MOVOU (1*16)(inp), D3; PXOR D3, B0 - MOVOU (2*16)(inp), D3; PXOR D3, C0 - MOVOU (3*16)(inp), D3; PXOR D3, D0 - MOVOU A0, (0*16)(oup) - MOVOU B0, (1*16)(oup) - MOVOU C0, (2*16)(oup) - MOVOU D0, (3*16)(oup) - MOVOU (4*16)(inp), A0; MOVOU (5*16)(inp), B0; MOVOU (6*16)(inp), C0; MOVOU (7*16)(inp), D0 - PXOR A0, A1; PXOR B0, B1; PXOR C0, C1; PXOR D0, D1 - MOVOU A1, (4*16)(oup); MOVOU B1, (5*16)(oup); MOVOU C1, (6*16)(oup); MOVOU D1, (7*16)(oup) - MOVOU (8*16)(inp), A0; MOVOU (9*16)(inp), B0; MOVOU (10*16)(inp), C0; MOVOU (11*16)(inp), D0 - PXOR A0, A2; PXOR B0, B2; PXOR C0, C2; PXOR D0, D2 - MOVOU A2, (8*16)(oup); MOVOU B2, (9*16)(oup); MOVOU C2, (10*16)(oup); MOVOU D2, (11*16)(oup) - LEAQ 192(inp), inp - LEAQ 192(oup), oup - SUBQ $192, inl - MOVO A3, A0 - MOVO B3, B0 - MOVO C3, C0 - MOVO tmpStore, D0 - - JMP openSSETail64DecLoop - -// ---------------------------------------------------------------------------- -// ------------------------- AVX2 Code ---------------------------------------- + MOVOU (SI), X15 + PXOR X15, X0 + MOVOU 16(SI), X15 + PXOR X15, X3 + MOVOU 32(SI), X15 + PXOR X15, X6 + MOVOU 48(SI), X15 + PXOR X15, X9 + MOVOU X0, (DI) + MOVOU X3, 16(DI) + MOVOU X6, 32(DI) + MOVOU X9, 48(DI) + MOVOU 64(SI), X0 + MOVOU 80(SI), X3 + MOVOU 96(SI), X6 + MOVOU 112(SI), X9 + PXOR X0, X1 + PXOR X3, X4 + PXOR X6, X7 + PXOR X9, X10 + MOVOU X1, 64(DI) + MOVOU X4, 80(DI) + MOVOU X7, 96(DI) + MOVOU X10, 112(DI) + MOVOU 128(SI), X0 + MOVOU 144(SI), X3 + MOVOU 160(SI), X6 + MOVOU 176(SI), X9 + PXOR X0, X2 + PXOR X3, X5 + PXOR X6, X8 + PXOR X9, X11 + MOVOU X2, 128(DI) + MOVOU X5, 144(DI) + MOVOU X8, 160(DI) + MOVOU X11, 176(DI) + LEAQ 192(SI), SI + LEAQ 192(DI), DI + SUBQ $0xc0, BX + MOVO X12, X0 + MOVO X13, X3 + MOVO X14, X6 + MOVO 64(BP), X9 + JMP openSSETail64DecLoop + chacha20Poly1305Open_AVX2: VZEROUPPER - VMOVDQU ·chacha20Constants<>(SB), AA0 - BYTE $0xc4; BYTE $0x42; BYTE $0x7d; BYTE $0x5a; BYTE $0x70; BYTE $0x10 // broadcasti128 16(r8), ymm14 - BYTE $0xc4; BYTE $0x42; BYTE $0x7d; BYTE $0x5a; BYTE $0x60; BYTE $0x20 // broadcasti128 32(r8), ymm12 - BYTE $0xc4; BYTE $0xc2; BYTE $0x7d; BYTE $0x5a; BYTE $0x60; BYTE $0x30 // broadcasti128 48(r8), ymm4 - VPADDD ·avx2InitMask<>(SB), DD0, DD0 + VMOVDQU ·chacha20Constants<>+0(SB), Y0 + BYTE $0xc4 + BYTE $0x42 + BYTE $0x7d + BYTE $0x5a + BYTE $0x70 + BYTE $0x10 + BYTE $0xc4 + BYTE $0x42 + BYTE $0x7d + BYTE $0x5a + BYTE $0x60 + BYTE $0x20 + BYTE $0xc4 + BYTE $0xc2 + BYTE $0x7d + BYTE $0x5a + BYTE $0x60 + BYTE $0x30 + VPADDD ·avx2InitMask<>+0(SB), Y4, Y4 // Special optimization, for very short buffers - CMPQ inl, $192 + CMPQ BX, $0xc0 JBE openAVX2192 - CMPQ inl, $320 + CMPQ BX, $0x00000140 JBE openAVX2320 // For the general key prepare the key first - as a byproduct we have 64 bytes of cipher stream - VMOVDQA BB0, state1StoreAVX2 - VMOVDQA CC0, state2StoreAVX2 - VMOVDQA DD0, ctr3StoreAVX2 - MOVQ $10, itr2 + VMOVDQA Y14, 32(BP) + VMOVDQA Y12, 64(BP) + VMOVDQA Y4, 192(BP) + MOVQ $0x0000000a, R9 openAVX2PreparePolyKey: - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0) - VPALIGNR $4, BB0, BB0, BB0; VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $12, DD0, DD0, DD0 - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0) - VPALIGNR $12, BB0, BB0, BB0; VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $4, DD0, DD0, DD0 - DECQ itr2 - JNE openAVX2PreparePolyKey - - VPADDD ·chacha20Constants<>(SB), AA0, AA0 - VPADDD state1StoreAVX2, BB0, BB0 - VPADDD state2StoreAVX2, CC0, CC0 - VPADDD ctr3StoreAVX2, DD0, DD0 - - VPERM2I128 $0x02, AA0, BB0, TT0 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x0c, Y14, Y3 + VPSRLD $0x14, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol8<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x07, Y14, Y3 + VPSRLD $0x19, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPALIGNR $0x04, Y14, Y14, Y14 + VPALIGNR $0x08, Y12, Y12, Y12 + VPALIGNR $0x0c, Y4, Y4, Y4 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x0c, Y14, Y3 + VPSRLD $0x14, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol8<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x07, Y14, Y3 + VPSRLD $0x19, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPALIGNR $0x0c, Y14, Y14, Y14 + VPALIGNR $0x08, Y12, Y12, Y12 + VPALIGNR $0x04, Y4, Y4, Y4 + DECQ R9 + JNE openAVX2PreparePolyKey + VPADDD ·chacha20Constants<>+0(SB), Y0, Y0 + VPADDD 32(BP), Y14, Y14 + VPADDD 64(BP), Y12, Y12 + VPADDD 192(BP), Y4, Y4 + VPERM2I128 $0x02, Y0, Y14, Y3 // Clamp and store poly key - VPAND ·polyClampMask<>(SB), TT0, TT0 - VMOVDQA TT0, rsStoreAVX2 + VPAND ·polyClampMask<>+0(SB), Y3, Y3 + VMOVDQA Y3, (BP) // Stream for the first 64 bytes - VPERM2I128 $0x13, AA0, BB0, AA0 - VPERM2I128 $0x13, CC0, DD0, BB0 + VPERM2I128 $0x13, Y0, Y14, Y0 + VPERM2I128 $0x13, Y12, Y4, Y14 // Hash AD + first 64 bytes - MOVQ ad_len+80(FP), itr2 + MOVQ ad_len+80(FP), R9 CALL polyHashADInternal<>(SB) - XORQ itr1, itr1 + XORQ CX, CX openAVX2InitialHash64: - polyAdd(0(inp)(itr1*1)) - polyMulAVX2 - ADDQ $16, itr1 - CMPQ itr1, $64 - JNE openAVX2InitialHash64 + ADDQ (SI)(CX*1), R10 + ADCQ 8(SI)(CX*1), R11 + ADCQ $0x01, R12 + MOVQ (BP), DX + MOVQ DX, R15 + MULXQ R10, R13, R14 + IMULQ R12, R15 + MULXQ R11, AX, DX + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), DX + MULXQ R10, R10, AX + ADDQ R10, R14 + MULXQ R11, R11, R8 + ADCQ R11, R15 + ADCQ $0x00, R8 + IMULQ R12, DX + ADDQ AX, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + ADDQ $0x10, CX + CMPQ CX, $0x40 + JNE openAVX2InitialHash64 // Decrypt the first 64 bytes - VPXOR (0*32)(inp), AA0, AA0 - VPXOR (1*32)(inp), BB0, BB0 - VMOVDQU AA0, (0*32)(oup) - VMOVDQU BB0, (1*32)(oup) - LEAQ (2*32)(inp), inp - LEAQ (2*32)(oup), oup - SUBQ $64, inl + VPXOR (SI), Y0, Y0 + VPXOR 32(SI), Y14, Y14 + VMOVDQU Y0, (DI) + VMOVDQU Y14, 32(DI) + LEAQ 64(SI), SI + LEAQ 64(DI), DI + SUBQ $0x40, BX openAVX2MainLoop: - CMPQ inl, $512 + CMPQ BX, $0x00000200 JB openAVX2MainLoopDone // Load state, increment counter blocks, store the incremented counters - VMOVDQU ·chacha20Constants<>(SB), AA0; VMOVDQA AA0, AA1; VMOVDQA AA0, AA2; VMOVDQA AA0, AA3 - VMOVDQA state1StoreAVX2, BB0; VMOVDQA BB0, BB1; VMOVDQA BB0, BB2; VMOVDQA BB0, BB3 - VMOVDQA state2StoreAVX2, CC0; VMOVDQA CC0, CC1; VMOVDQA CC0, CC2; VMOVDQA CC0, CC3 - VMOVDQA ctr3StoreAVX2, DD0; VPADDD ·avx2IncMask<>(SB), DD0, DD0; VPADDD ·avx2IncMask<>(SB), DD0, DD1; VPADDD ·avx2IncMask<>(SB), DD1, DD2; VPADDD ·avx2IncMask<>(SB), DD2, DD3 - VMOVDQA DD0, ctr0StoreAVX2; VMOVDQA DD1, ctr1StoreAVX2; VMOVDQA DD2, ctr2StoreAVX2; VMOVDQA DD3, ctr3StoreAVX2 - XORQ itr1, itr1 + VMOVDQU ·chacha20Constants<>+0(SB), Y0 + VMOVDQA Y0, Y5 + VMOVDQA Y0, Y6 + VMOVDQA Y0, Y7 + VMOVDQA 32(BP), Y14 + VMOVDQA Y14, Y9 + VMOVDQA Y14, Y10 + VMOVDQA Y14, Y11 + VMOVDQA 64(BP), Y12 + VMOVDQA Y12, Y13 + VMOVDQA Y12, Y8 + VMOVDQA Y12, Y15 + VMOVDQA 192(BP), Y4 + VPADDD ·avx2IncMask<>+0(SB), Y4, Y4 + VPADDD ·avx2IncMask<>+0(SB), Y4, Y1 + VPADDD ·avx2IncMask<>+0(SB), Y1, Y2 + VPADDD ·avx2IncMask<>+0(SB), Y2, Y3 + VMOVDQA Y4, 96(BP) + VMOVDQA Y1, 128(BP) + VMOVDQA Y2, 160(BP) + VMOVDQA Y3, 192(BP) + XORQ CX, CX openAVX2InternalLoop: - // Lets just say this spaghetti loop interleaves 2 quarter rounds with 3 poly multiplications - // Effectively per 512 bytes of stream we hash 480 bytes of ciphertext - polyAdd(0*8(inp)(itr1*1)) - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - polyMulStage1_AVX2 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - VPSHUFB ·rol16<>(SB), DD0, DD0; VPSHUFB ·rol16<>(SB), DD1, DD1; VPSHUFB ·rol16<>(SB), DD2, DD2; VPSHUFB ·rol16<>(SB), DD3, DD3 - polyMulStage2_AVX2 - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - polyMulStage3_AVX2 - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $12, BB0, CC3; VPSRLD $20, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $12, BB1, CC3; VPSRLD $20, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $12, BB2, CC3; VPSRLD $20, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $12, BB3, CC3; VPSRLD $20, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - polyMulReduceStage - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - VPSHUFB ·rol8<>(SB), DD0, DD0; VPSHUFB ·rol8<>(SB), DD1, DD1; VPSHUFB ·rol8<>(SB), DD2, DD2; VPSHUFB ·rol8<>(SB), DD3, DD3 - polyAdd(2*8(inp)(itr1*1)) - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - polyMulStage1_AVX2 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $7, BB0, CC3; VPSRLD $25, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $7, BB1, CC3; VPSRLD $25, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $7, BB2, CC3; VPSRLD $25, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $7, BB3, CC3; VPSRLD $25, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - polyMulStage2_AVX2 - VPALIGNR $4, BB0, BB0, BB0; VPALIGNR $4, BB1, BB1, BB1; VPALIGNR $4, BB2, BB2, BB2; VPALIGNR $4, BB3, BB3, BB3 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $8, CC2, CC2, CC2; VPALIGNR $8, CC3, CC3, CC3 - VPALIGNR $12, DD0, DD0, DD0; VPALIGNR $12, DD1, DD1, DD1; VPALIGNR $12, DD2, DD2, DD2; VPALIGNR $12, DD3, DD3, DD3 - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - polyMulStage3_AVX2 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - VPSHUFB ·rol16<>(SB), DD0, DD0; VPSHUFB ·rol16<>(SB), DD1, DD1; VPSHUFB ·rol16<>(SB), DD2, DD2; VPSHUFB ·rol16<>(SB), DD3, DD3 - polyMulReduceStage - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - polyAdd(4*8(inp)(itr1*1)) - LEAQ (6*8)(itr1), itr1 - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $12, BB0, CC3; VPSRLD $20, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $12, BB1, CC3; VPSRLD $20, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $12, BB2, CC3; VPSRLD $20, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $12, BB3, CC3; VPSRLD $20, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - polyMulStage1_AVX2 - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - polyMulStage2_AVX2 - VPSHUFB ·rol8<>(SB), DD0, DD0; VPSHUFB ·rol8<>(SB), DD1, DD1; VPSHUFB ·rol8<>(SB), DD2, DD2; VPSHUFB ·rol8<>(SB), DD3, DD3 - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - polyMulStage3_AVX2 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $7, BB0, CC3; VPSRLD $25, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $7, BB1, CC3; VPSRLD $25, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $7, BB2, CC3; VPSRLD $25, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $7, BB3, CC3; VPSRLD $25, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - polyMulReduceStage - VPALIGNR $12, BB0, BB0, BB0; VPALIGNR $12, BB1, BB1, BB1; VPALIGNR $12, BB2, BB2, BB2; VPALIGNR $12, BB3, BB3, BB3 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $8, CC2, CC2, CC2; VPALIGNR $8, CC3, CC3, CC3 - VPALIGNR $4, DD0, DD0, DD0; VPALIGNR $4, DD1, DD1, DD1; VPALIGNR $4, DD2, DD2, DD2; VPALIGNR $4, DD3, DD3, DD3 - CMPQ itr1, $480 + ADDQ (SI)(CX*1), R10 + ADCQ 8(SI)(CX*1), R11 + ADCQ $0x01, R12 + VPADDD Y14, Y0, Y0 + VPADDD Y9, Y5, Y5 + VPADDD Y10, Y6, Y6 + VPADDD Y11, Y7, Y7 + MOVQ (BP), DX + MOVQ DX, R15 + MULXQ R10, R13, R14 + IMULQ R12, R15 + MULXQ R11, AX, DX + ADDQ AX, R14 + ADCQ DX, R15 + VPXOR Y0, Y4, Y4 + VPXOR Y5, Y1, Y1 + VPXOR Y6, Y2, Y2 + VPXOR Y7, Y3, Y3 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y1, Y1 + VPSHUFB ·rol16<>+0(SB), Y2, Y2 + VPSHUFB ·rol16<>+0(SB), Y3, Y3 + MOVQ 8(BP), DX + MULXQ R10, R10, AX + ADDQ R10, R14 + MULXQ R11, R11, R8 + ADCQ R11, R15 + ADCQ $0x00, R8 + VPADDD Y4, Y12, Y12 + VPADDD Y1, Y13, Y13 + VPADDD Y2, Y8, Y8 + VPADDD Y3, Y15, Y15 + VPXOR Y12, Y14, Y14 + VPXOR Y13, Y9, Y9 + VPXOR Y8, Y10, Y10 + VPXOR Y15, Y11, Y11 + IMULQ R12, DX + ADDQ AX, R15 + ADCQ DX, R8 + VMOVDQA Y15, 224(BP) + VPSLLD $0x0c, Y14, Y15 + VPSRLD $0x14, Y14, Y14 + VPXOR Y15, Y14, Y14 + VPSLLD $0x0c, Y9, Y15 + VPSRLD $0x14, Y9, Y9 + VPXOR Y15, Y9, Y9 + VPSLLD $0x0c, Y10, Y15 + VPSRLD $0x14, Y10, Y10 + VPXOR Y15, Y10, Y10 + VPSLLD $0x0c, Y11, Y15 + VPSRLD $0x14, Y11, Y11 + VPXOR Y15, Y11, Y11 + VMOVDQA 224(BP), Y15 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + VPADDD Y14, Y0, Y0 + VPADDD Y9, Y5, Y5 + VPADDD Y10, Y6, Y6 + VPADDD Y11, Y7, Y7 + VPXOR Y0, Y4, Y4 + VPXOR Y5, Y1, Y1 + VPXOR Y6, Y2, Y2 + VPXOR Y7, Y3, Y3 + VPSHUFB ·rol8<>+0(SB), Y4, Y4 + VPSHUFB ·rol8<>+0(SB), Y1, Y1 + VPSHUFB ·rol8<>+0(SB), Y2, Y2 + VPSHUFB ·rol8<>+0(SB), Y3, Y3 + ADDQ 16(SI)(CX*1), R10 + ADCQ 24(SI)(CX*1), R11 + ADCQ $0x01, R12 + VPADDD Y4, Y12, Y12 + VPADDD Y1, Y13, Y13 + VPADDD Y2, Y8, Y8 + VPADDD Y3, Y15, Y15 + MOVQ (BP), DX + MOVQ DX, R15 + MULXQ R10, R13, R14 + IMULQ R12, R15 + MULXQ R11, AX, DX + ADDQ AX, R14 + ADCQ DX, R15 + VPXOR Y12, Y14, Y14 + VPXOR Y13, Y9, Y9 + VPXOR Y8, Y10, Y10 + VPXOR Y15, Y11, Y11 + VMOVDQA Y15, 224(BP) + VPSLLD $0x07, Y14, Y15 + VPSRLD $0x19, Y14, Y14 + VPXOR Y15, Y14, Y14 + VPSLLD $0x07, Y9, Y15 + VPSRLD $0x19, Y9, Y9 + VPXOR Y15, Y9, Y9 + VPSLLD $0x07, Y10, Y15 + VPSRLD $0x19, Y10, Y10 + VPXOR Y15, Y10, Y10 + VPSLLD $0x07, Y11, Y15 + VPSRLD $0x19, Y11, Y11 + VPXOR Y15, Y11, Y11 + VMOVDQA 224(BP), Y15 + MOVQ 8(BP), DX + MULXQ R10, R10, AX + ADDQ R10, R14 + MULXQ R11, R11, R8 + ADCQ R11, R15 + ADCQ $0x00, R8 + VPALIGNR $0x04, Y14, Y14, Y14 + VPALIGNR $0x04, Y9, Y9, Y9 + VPALIGNR $0x04, Y10, Y10, Y10 + VPALIGNR $0x04, Y11, Y11, Y11 + VPALIGNR $0x08, Y12, Y12, Y12 + VPALIGNR $0x08, Y13, Y13, Y13 + VPALIGNR $0x08, Y8, Y8, Y8 + VPALIGNR $0x08, Y15, Y15, Y15 + VPALIGNR $0x0c, Y4, Y4, Y4 + VPALIGNR $0x0c, Y1, Y1, Y1 + VPALIGNR $0x0c, Y2, Y2, Y2 + VPALIGNR $0x0c, Y3, Y3, Y3 + VPADDD Y14, Y0, Y0 + VPADDD Y9, Y5, Y5 + VPADDD Y10, Y6, Y6 + VPADDD Y11, Y7, Y7 + IMULQ R12, DX + ADDQ AX, R15 + ADCQ DX, R8 + VPXOR Y0, Y4, Y4 + VPXOR Y5, Y1, Y1 + VPXOR Y6, Y2, Y2 + VPXOR Y7, Y3, Y3 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y1, Y1 + VPSHUFB ·rol16<>+0(SB), Y2, Y2 + VPSHUFB ·rol16<>+0(SB), Y3, Y3 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + VPADDD Y4, Y12, Y12 + VPADDD Y1, Y13, Y13 + VPADDD Y2, Y8, Y8 + VPADDD Y3, Y15, Y15 + VPXOR Y12, Y14, Y14 + VPXOR Y13, Y9, Y9 + VPXOR Y8, Y10, Y10 + VPXOR Y15, Y11, Y11 + ADDQ 32(SI)(CX*1), R10 + ADCQ 40(SI)(CX*1), R11 + ADCQ $0x01, R12 + LEAQ 48(CX), CX + VMOVDQA Y15, 224(BP) + VPSLLD $0x0c, Y14, Y15 + VPSRLD $0x14, Y14, Y14 + VPXOR Y15, Y14, Y14 + VPSLLD $0x0c, Y9, Y15 + VPSRLD $0x14, Y9, Y9 + VPXOR Y15, Y9, Y9 + VPSLLD $0x0c, Y10, Y15 + VPSRLD $0x14, Y10, Y10 + VPXOR Y15, Y10, Y10 + VPSLLD $0x0c, Y11, Y15 + VPSRLD $0x14, Y11, Y11 + VPXOR Y15, Y11, Y11 + VMOVDQA 224(BP), Y15 + MOVQ (BP), DX + MOVQ DX, R15 + MULXQ R10, R13, R14 + IMULQ R12, R15 + MULXQ R11, AX, DX + ADDQ AX, R14 + ADCQ DX, R15 + VPADDD Y14, Y0, Y0 + VPADDD Y9, Y5, Y5 + VPADDD Y10, Y6, Y6 + VPADDD Y11, Y7, Y7 + VPXOR Y0, Y4, Y4 + VPXOR Y5, Y1, Y1 + VPXOR Y6, Y2, Y2 + VPXOR Y7, Y3, Y3 + MOVQ 8(BP), DX + MULXQ R10, R10, AX + ADDQ R10, R14 + MULXQ R11, R11, R8 + ADCQ R11, R15 + ADCQ $0x00, R8 + VPSHUFB ·rol8<>+0(SB), Y4, Y4 + VPSHUFB ·rol8<>+0(SB), Y1, Y1 + VPSHUFB ·rol8<>+0(SB), Y2, Y2 + VPSHUFB ·rol8<>+0(SB), Y3, Y3 + VPADDD Y4, Y12, Y12 + VPADDD Y1, Y13, Y13 + VPADDD Y2, Y8, Y8 + VPADDD Y3, Y15, Y15 + IMULQ R12, DX + ADDQ AX, R15 + ADCQ DX, R8 + VPXOR Y12, Y14, Y14 + VPXOR Y13, Y9, Y9 + VPXOR Y8, Y10, Y10 + VPXOR Y15, Y11, Y11 + VMOVDQA Y15, 224(BP) + VPSLLD $0x07, Y14, Y15 + VPSRLD $0x19, Y14, Y14 + VPXOR Y15, Y14, Y14 + VPSLLD $0x07, Y9, Y15 + VPSRLD $0x19, Y9, Y9 + VPXOR Y15, Y9, Y9 + VPSLLD $0x07, Y10, Y15 + VPSRLD $0x19, Y10, Y10 + VPXOR Y15, Y10, Y10 + VPSLLD $0x07, Y11, Y15 + VPSRLD $0x19, Y11, Y11 + VPXOR Y15, Y11, Y11 + VMOVDQA 224(BP), Y15 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + VPALIGNR $0x0c, Y14, Y14, Y14 + VPALIGNR $0x0c, Y9, Y9, Y9 + VPALIGNR $0x0c, Y10, Y10, Y10 + VPALIGNR $0x0c, Y11, Y11, Y11 + VPALIGNR $0x08, Y12, Y12, Y12 + VPALIGNR $0x08, Y13, Y13, Y13 + VPALIGNR $0x08, Y8, Y8, Y8 + VPALIGNR $0x08, Y15, Y15, Y15 + VPALIGNR $0x04, Y4, Y4, Y4 + VPALIGNR $0x04, Y1, Y1, Y1 + VPALIGNR $0x04, Y2, Y2, Y2 + VPALIGNR $0x04, Y3, Y3, Y3 + CMPQ CX, $0x000001e0 JNE openAVX2InternalLoop - - VPADDD ·chacha20Constants<>(SB), AA0, AA0; VPADDD ·chacha20Constants<>(SB), AA1, AA1; VPADDD ·chacha20Constants<>(SB), AA2, AA2; VPADDD ·chacha20Constants<>(SB), AA3, AA3 - VPADDD state1StoreAVX2, BB0, BB0; VPADDD state1StoreAVX2, BB1, BB1; VPADDD state1StoreAVX2, BB2, BB2; VPADDD state1StoreAVX2, BB3, BB3 - VPADDD state2StoreAVX2, CC0, CC0; VPADDD state2StoreAVX2, CC1, CC1; VPADDD state2StoreAVX2, CC2, CC2; VPADDD state2StoreAVX2, CC3, CC3 - VPADDD ctr0StoreAVX2, DD0, DD0; VPADDD ctr1StoreAVX2, DD1, DD1; VPADDD ctr2StoreAVX2, DD2, DD2; VPADDD ctr3StoreAVX2, DD3, DD3 - VMOVDQA CC3, tmpStoreAVX2 + VPADDD ·chacha20Constants<>+0(SB), Y0, Y0 + VPADDD ·chacha20Constants<>+0(SB), Y5, Y5 + VPADDD ·chacha20Constants<>+0(SB), Y6, Y6 + VPADDD ·chacha20Constants<>+0(SB), Y7, Y7 + VPADDD 32(BP), Y14, Y14 + VPADDD 32(BP), Y9, Y9 + VPADDD 32(BP), Y10, Y10 + VPADDD 32(BP), Y11, Y11 + VPADDD 64(BP), Y12, Y12 + VPADDD 64(BP), Y13, Y13 + VPADDD 64(BP), Y8, Y8 + VPADDD 64(BP), Y15, Y15 + VPADDD 96(BP), Y4, Y4 + VPADDD 128(BP), Y1, Y1 + VPADDD 160(BP), Y2, Y2 + VPADDD 192(BP), Y3, Y3 + VMOVDQA Y15, 224(BP) // We only hashed 480 of the 512 bytes available - hash the remaining 32 here - polyAdd(480(inp)) - polyMulAVX2 - VPERM2I128 $0x02, AA0, BB0, CC3; VPERM2I128 $0x13, AA0, BB0, BB0; VPERM2I128 $0x02, CC0, DD0, AA0; VPERM2I128 $0x13, CC0, DD0, CC0 - VPXOR (0*32)(inp), CC3, CC3; VPXOR (1*32)(inp), AA0, AA0; VPXOR (2*32)(inp), BB0, BB0; VPXOR (3*32)(inp), CC0, CC0 - VMOVDQU CC3, (0*32)(oup); VMOVDQU AA0, (1*32)(oup); VMOVDQU BB0, (2*32)(oup); VMOVDQU CC0, (3*32)(oup) - VPERM2I128 $0x02, AA1, BB1, AA0; VPERM2I128 $0x02, CC1, DD1, BB0; VPERM2I128 $0x13, AA1, BB1, CC0; VPERM2I128 $0x13, CC1, DD1, DD0 - VPXOR (4*32)(inp), AA0, AA0; VPXOR (5*32)(inp), BB0, BB0; VPXOR (6*32)(inp), CC0, CC0; VPXOR (7*32)(inp), DD0, DD0 - VMOVDQU AA0, (4*32)(oup); VMOVDQU BB0, (5*32)(oup); VMOVDQU CC0, (6*32)(oup); VMOVDQU DD0, (7*32)(oup) + ADDQ 480(SI), R10 + ADCQ 488(SI), R11 + ADCQ $0x01, R12 + MOVQ (BP), DX + MOVQ DX, R15 + MULXQ R10, R13, R14 + IMULQ R12, R15 + MULXQ R11, AX, DX + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), DX + MULXQ R10, R10, AX + ADDQ R10, R14 + MULXQ R11, R11, R8 + ADCQ R11, R15 + ADCQ $0x00, R8 + IMULQ R12, DX + ADDQ AX, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + VPERM2I128 $0x02, Y0, Y14, Y15 + VPERM2I128 $0x13, Y0, Y14, Y14 + VPERM2I128 $0x02, Y12, Y4, Y0 + VPERM2I128 $0x13, Y12, Y4, Y12 + VPXOR (SI), Y15, Y15 + VPXOR 32(SI), Y0, Y0 + VPXOR 64(SI), Y14, Y14 + VPXOR 96(SI), Y12, Y12 + VMOVDQU Y15, (DI) + VMOVDQU Y0, 32(DI) + VMOVDQU Y14, 64(DI) + VMOVDQU Y12, 96(DI) + VPERM2I128 $0x02, Y5, Y9, Y0 + VPERM2I128 $0x02, Y13, Y1, Y14 + VPERM2I128 $0x13, Y5, Y9, Y12 + VPERM2I128 $0x13, Y13, Y1, Y4 + VPXOR 128(SI), Y0, Y0 + VPXOR 160(SI), Y14, Y14 + VPXOR 192(SI), Y12, Y12 + VPXOR 224(SI), Y4, Y4 + VMOVDQU Y0, 128(DI) + VMOVDQU Y14, 160(DI) + VMOVDQU Y12, 192(DI) + VMOVDQU Y4, 224(DI) // and here - polyAdd(496(inp)) - polyMulAVX2 - VPERM2I128 $0x02, AA2, BB2, AA0; VPERM2I128 $0x02, CC2, DD2, BB0; VPERM2I128 $0x13, AA2, BB2, CC0; VPERM2I128 $0x13, CC2, DD2, DD0 - VPXOR (8*32)(inp), AA0, AA0; VPXOR (9*32)(inp), BB0, BB0; VPXOR (10*32)(inp), CC0, CC0; VPXOR (11*32)(inp), DD0, DD0 - VMOVDQU AA0, (8*32)(oup); VMOVDQU BB0, (9*32)(oup); VMOVDQU CC0, (10*32)(oup); VMOVDQU DD0, (11*32)(oup) - VPERM2I128 $0x02, AA3, BB3, AA0; VPERM2I128 $0x02, tmpStoreAVX2, DD3, BB0; VPERM2I128 $0x13, AA3, BB3, CC0; VPERM2I128 $0x13, tmpStoreAVX2, DD3, DD0 - VPXOR (12*32)(inp), AA0, AA0; VPXOR (13*32)(inp), BB0, BB0; VPXOR (14*32)(inp), CC0, CC0; VPXOR (15*32)(inp), DD0, DD0 - VMOVDQU AA0, (12*32)(oup); VMOVDQU BB0, (13*32)(oup); VMOVDQU CC0, (14*32)(oup); VMOVDQU DD0, (15*32)(oup) - LEAQ (32*16)(inp), inp - LEAQ (32*16)(oup), oup - SUBQ $(32*16), inl + ADDQ 496(SI), R10 + ADCQ 504(SI), R11 + ADCQ $0x01, R12 + MOVQ (BP), DX + MOVQ DX, R15 + MULXQ R10, R13, R14 + IMULQ R12, R15 + MULXQ R11, AX, DX + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), DX + MULXQ R10, R10, AX + ADDQ R10, R14 + MULXQ R11, R11, R8 + ADCQ R11, R15 + ADCQ $0x00, R8 + IMULQ R12, DX + ADDQ AX, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + VPERM2I128 $0x02, Y6, Y10, Y0 + VPERM2I128 $0x02, Y8, Y2, Y14 + VPERM2I128 $0x13, Y6, Y10, Y12 + VPERM2I128 $0x13, Y8, Y2, Y4 + VPXOR 256(SI), Y0, Y0 + VPXOR 288(SI), Y14, Y14 + VPXOR 320(SI), Y12, Y12 + VPXOR 352(SI), Y4, Y4 + VMOVDQU Y0, 256(DI) + VMOVDQU Y14, 288(DI) + VMOVDQU Y12, 320(DI) + VMOVDQU Y4, 352(DI) + VPERM2I128 $0x02, Y7, Y11, Y0 + VPERM2I128 $0x02, 224(BP), Y3, Y14 + VPERM2I128 $0x13, Y7, Y11, Y12 + VPERM2I128 $0x13, 224(BP), Y3, Y4 + VPXOR 384(SI), Y0, Y0 + VPXOR 416(SI), Y14, Y14 + VPXOR 448(SI), Y12, Y12 + VPXOR 480(SI), Y4, Y4 + VMOVDQU Y0, 384(DI) + VMOVDQU Y14, 416(DI) + VMOVDQU Y12, 448(DI) + VMOVDQU Y4, 480(DI) + LEAQ 512(SI), SI + LEAQ 512(DI), DI + SUBQ $0x00000200, BX JMP openAVX2MainLoop openAVX2MainLoopDone: // Handle the various tail sizes efficiently - TESTQ inl, inl + TESTQ BX, BX JE openSSEFinalize - CMPQ inl, $128 + CMPQ BX, $0x80 JBE openAVX2Tail128 - CMPQ inl, $256 + CMPQ BX, $0x00000100 JBE openAVX2Tail256 - CMPQ inl, $384 + CMPQ BX, $0x00000180 JBE openAVX2Tail384 JMP openAVX2Tail512 -// ---------------------------------------------------------------------------- -// Special optimization for buffers smaller than 193 bytes openAVX2192: - // For up to 192 bytes of ciphertext and 64 bytes for the poly key, we process four blocks - VMOVDQA AA0, AA1 - VMOVDQA BB0, BB1 - VMOVDQA CC0, CC1 - VPADDD ·avx2IncMask<>(SB), DD0, DD1 - VMOVDQA AA0, AA2 - VMOVDQA BB0, BB2 - VMOVDQA CC0, CC2 - VMOVDQA DD0, DD2 - VMOVDQA DD1, TT3 - MOVQ $10, itr2 + VMOVDQA Y0, Y5 + VMOVDQA Y14, Y9 + VMOVDQA Y12, Y13 + VPADDD ·avx2IncMask<>+0(SB), Y4, Y1 + VMOVDQA Y0, Y6 + VMOVDQA Y14, Y10 + VMOVDQA Y12, Y8 + VMOVDQA Y4, Y2 + VMOVDQA Y1, Y15 + MOVQ $0x0000000a, R9 openAVX2192InnerCipherLoop: - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0); chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0) - VPALIGNR $4, BB0, BB0, BB0; VPALIGNR $4, BB1, BB1, BB1 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1 - VPALIGNR $12, DD0, DD0, DD0; VPALIGNR $12, DD1, DD1, DD1 - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0); chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0) - VPALIGNR $12, BB0, BB0, BB0; VPALIGNR $12, BB1, BB1, BB1 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1 - VPALIGNR $4, DD0, DD0, DD0; VPALIGNR $4, DD1, DD1, DD1 - DECQ itr2 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x0c, Y14, Y3 + VPSRLD $0x14, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol8<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x07, Y14, Y3 + VPSRLD $0x19, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol16<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x0c, Y9, Y3 + VPSRLD $0x14, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol8<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x07, Y9, Y3 + VPSRLD $0x19, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPALIGNR $0x04, Y14, Y14, Y14 + VPALIGNR $0x04, Y9, Y9, Y9 + VPALIGNR $0x08, Y12, Y12, Y12 + VPALIGNR $0x08, Y13, Y13, Y13 + VPALIGNR $0x0c, Y4, Y4, Y4 + VPALIGNR $0x0c, Y1, Y1, Y1 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x0c, Y14, Y3 + VPSRLD $0x14, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol8<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x07, Y14, Y3 + VPSRLD $0x19, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol16<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x0c, Y9, Y3 + VPSRLD $0x14, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol8<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x07, Y9, Y3 + VPSRLD $0x19, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPALIGNR $0x0c, Y14, Y14, Y14 + VPALIGNR $0x0c, Y9, Y9, Y9 + VPALIGNR $0x08, Y12, Y12, Y12 + VPALIGNR $0x08, Y13, Y13, Y13 + VPALIGNR $0x04, Y4, Y4, Y4 + VPALIGNR $0x04, Y1, Y1, Y1 + DECQ R9 JNE openAVX2192InnerCipherLoop - VPADDD AA2, AA0, AA0; VPADDD AA2, AA1, AA1 - VPADDD BB2, BB0, BB0; VPADDD BB2, BB1, BB1 - VPADDD CC2, CC0, CC0; VPADDD CC2, CC1, CC1 - VPADDD DD2, DD0, DD0; VPADDD TT3, DD1, DD1 - VPERM2I128 $0x02, AA0, BB0, TT0 + VPADDD Y6, Y0, Y0 + VPADDD Y6, Y5, Y5 + VPADDD Y10, Y14, Y14 + VPADDD Y10, Y9, Y9 + VPADDD Y8, Y12, Y12 + VPADDD Y8, Y13, Y13 + VPADDD Y2, Y4, Y4 + VPADDD Y15, Y1, Y1 + VPERM2I128 $0x02, Y0, Y14, Y3 // Clamp and store poly key - VPAND ·polyClampMask<>(SB), TT0, TT0 - VMOVDQA TT0, rsStoreAVX2 + VPAND ·polyClampMask<>+0(SB), Y3, Y3 + VMOVDQA Y3, (BP) // Stream for up to 192 bytes - VPERM2I128 $0x13, AA0, BB0, AA0 - VPERM2I128 $0x13, CC0, DD0, BB0 - VPERM2I128 $0x02, AA1, BB1, CC0 - VPERM2I128 $0x02, CC1, DD1, DD0 - VPERM2I128 $0x13, AA1, BB1, AA1 - VPERM2I128 $0x13, CC1, DD1, BB1 + VPERM2I128 $0x13, Y0, Y14, Y0 + VPERM2I128 $0x13, Y12, Y4, Y14 + VPERM2I128 $0x02, Y5, Y9, Y12 + VPERM2I128 $0x02, Y13, Y1, Y4 + VPERM2I128 $0x13, Y5, Y9, Y5 + VPERM2I128 $0x13, Y13, Y1, Y9 openAVX2ShortOpen: // Hash - MOVQ ad_len+80(FP), itr2 + MOVQ ad_len+80(FP), R9 CALL polyHashADInternal<>(SB) openAVX2ShortOpenLoop: - CMPQ inl, $32 + CMPQ BX, $0x20 JB openAVX2ShortTail32 - SUBQ $32, inl + SUBQ $0x20, BX // Load for hashing - polyAdd(0*8(inp)) - polyMulAVX2 - polyAdd(2*8(inp)) - polyMulAVX2 + ADDQ (SI), R10 + ADCQ 8(SI), R11 + ADCQ $0x01, R12 + MOVQ (BP), DX + MOVQ DX, R15 + MULXQ R10, R13, R14 + IMULQ R12, R15 + MULXQ R11, AX, DX + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), DX + MULXQ R10, R10, AX + ADDQ R10, R14 + MULXQ R11, R11, R8 + ADCQ R11, R15 + ADCQ $0x00, R8 + IMULQ R12, DX + ADDQ AX, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + ADDQ 16(SI), R10 + ADCQ 24(SI), R11 + ADCQ $0x01, R12 + MOVQ (BP), DX + MOVQ DX, R15 + MULXQ R10, R13, R14 + IMULQ R12, R15 + MULXQ R11, AX, DX + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), DX + MULXQ R10, R10, AX + ADDQ R10, R14 + MULXQ R11, R11, R8 + ADCQ R11, R15 + ADCQ $0x00, R8 + IMULQ R12, DX + ADDQ AX, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 // Load for decryption - VPXOR (inp), AA0, AA0 - VMOVDQU AA0, (oup) - LEAQ (1*32)(inp), inp - LEAQ (1*32)(oup), oup + VPXOR (SI), Y0, Y0 + VMOVDQU Y0, (DI) + LEAQ 32(SI), SI + LEAQ 32(DI), DI // Shift stream left - VMOVDQA BB0, AA0 - VMOVDQA CC0, BB0 - VMOVDQA DD0, CC0 - VMOVDQA AA1, DD0 - VMOVDQA BB1, AA1 - VMOVDQA CC1, BB1 - VMOVDQA DD1, CC1 - VMOVDQA AA2, DD1 - VMOVDQA BB2, AA2 + VMOVDQA Y14, Y0 + VMOVDQA Y12, Y14 + VMOVDQA Y4, Y12 + VMOVDQA Y5, Y4 + VMOVDQA Y9, Y5 + VMOVDQA Y13, Y9 + VMOVDQA Y1, Y13 + VMOVDQA Y6, Y1 + VMOVDQA Y10, Y6 JMP openAVX2ShortOpenLoop openAVX2ShortTail32: - CMPQ inl, $16 - VMOVDQA A0, A1 + CMPQ BX, $0x10 + VMOVDQA X0, X1 JB openAVX2ShortDone - - SUBQ $16, inl + SUBQ $0x10, BX // Load for hashing - polyAdd(0*8(inp)) - polyMulAVX2 + ADDQ (SI), R10 + ADCQ 8(SI), R11 + ADCQ $0x01, R12 + MOVQ (BP), DX + MOVQ DX, R15 + MULXQ R10, R13, R14 + IMULQ R12, R15 + MULXQ R11, AX, DX + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), DX + MULXQ R10, R10, AX + ADDQ R10, R14 + MULXQ R11, R11, R8 + ADCQ R11, R15 + ADCQ $0x00, R8 + IMULQ R12, DX + ADDQ AX, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 // Load for decryption - VPXOR (inp), A0, T0 - VMOVDQU T0, (oup) - LEAQ (1*16)(inp), inp - LEAQ (1*16)(oup), oup - VPERM2I128 $0x11, AA0, AA0, AA0 - VMOVDQA A0, A1 + VPXOR (SI), X0, X12 + VMOVDQU X12, (DI) + LEAQ 16(SI), SI + LEAQ 16(DI), DI + VPERM2I128 $0x11, Y0, Y0, Y0 + VMOVDQA X0, X1 openAVX2ShortDone: VZEROUPPER JMP openSSETail16 -// ---------------------------------------------------------------------------- -// Special optimization for buffers smaller than 321 bytes openAVX2320: - // For up to 320 bytes of ciphertext and 64 bytes for the poly key, we process six blocks - VMOVDQA AA0, AA1; VMOVDQA BB0, BB1; VMOVDQA CC0, CC1; VPADDD ·avx2IncMask<>(SB), DD0, DD1 - VMOVDQA AA0, AA2; VMOVDQA BB0, BB2; VMOVDQA CC0, CC2; VPADDD ·avx2IncMask<>(SB), DD1, DD2 - VMOVDQA BB0, TT1; VMOVDQA CC0, TT2; VMOVDQA DD0, TT3 - MOVQ $10, itr2 + VMOVDQA Y0, Y5 + VMOVDQA Y14, Y9 + VMOVDQA Y12, Y13 + VPADDD ·avx2IncMask<>+0(SB), Y4, Y1 + VMOVDQA Y0, Y6 + VMOVDQA Y14, Y10 + VMOVDQA Y12, Y8 + VPADDD ·avx2IncMask<>+0(SB), Y1, Y2 + VMOVDQA Y14, Y7 + VMOVDQA Y12, Y11 + VMOVDQA Y4, Y15 + MOVQ $0x0000000a, R9 openAVX2320InnerCipherLoop: - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0); chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0); chachaQR_AVX2(AA2, BB2, CC2, DD2, TT0) - VPALIGNR $4, BB0, BB0, BB0; VPALIGNR $4, BB1, BB1, BB1; VPALIGNR $4, BB2, BB2, BB2 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $8, CC2, CC2, CC2 - VPALIGNR $12, DD0, DD0, DD0; VPALIGNR $12, DD1, DD1, DD1; VPALIGNR $12, DD2, DD2, DD2 - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0); chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0); chachaQR_AVX2(AA2, BB2, CC2, DD2, TT0) - VPALIGNR $12, BB0, BB0, BB0; VPALIGNR $12, BB1, BB1, BB1; VPALIGNR $12, BB2, BB2, BB2 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $8, CC2, CC2, CC2 - VPALIGNR $4, DD0, DD0, DD0; VPALIGNR $4, DD1, DD1, DD1; VPALIGNR $4, DD2, DD2, DD2 - DECQ itr2 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x0c, Y14, Y3 + VPSRLD $0x14, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol8<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x07, Y14, Y3 + VPSRLD $0x19, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol16<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x0c, Y9, Y3 + VPSRLD $0x14, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol8<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x07, Y9, Y3 + VPSRLD $0x19, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPADDD Y10, Y6, Y6 + VPXOR Y6, Y2, Y2 + VPSHUFB ·rol16<>+0(SB), Y2, Y2 + VPADDD Y2, Y8, Y8 + VPXOR Y8, Y10, Y10 + VPSLLD $0x0c, Y10, Y3 + VPSRLD $0x14, Y10, Y10 + VPXOR Y3, Y10, Y10 + VPADDD Y10, Y6, Y6 + VPXOR Y6, Y2, Y2 + VPSHUFB ·rol8<>+0(SB), Y2, Y2 + VPADDD Y2, Y8, Y8 + VPXOR Y8, Y10, Y10 + VPSLLD $0x07, Y10, Y3 + VPSRLD $0x19, Y10, Y10 + VPXOR Y3, Y10, Y10 + VPALIGNR $0x04, Y14, Y14, Y14 + VPALIGNR $0x04, Y9, Y9, Y9 + VPALIGNR $0x04, Y10, Y10, Y10 + VPALIGNR $0x08, Y12, Y12, Y12 + VPALIGNR $0x08, Y13, Y13, Y13 + VPALIGNR $0x08, Y8, Y8, Y8 + VPALIGNR $0x0c, Y4, Y4, Y4 + VPALIGNR $0x0c, Y1, Y1, Y1 + VPALIGNR $0x0c, Y2, Y2, Y2 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x0c, Y14, Y3 + VPSRLD $0x14, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol8<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x07, Y14, Y3 + VPSRLD $0x19, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol16<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x0c, Y9, Y3 + VPSRLD $0x14, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol8<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x07, Y9, Y3 + VPSRLD $0x19, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPADDD Y10, Y6, Y6 + VPXOR Y6, Y2, Y2 + VPSHUFB ·rol16<>+0(SB), Y2, Y2 + VPADDD Y2, Y8, Y8 + VPXOR Y8, Y10, Y10 + VPSLLD $0x0c, Y10, Y3 + VPSRLD $0x14, Y10, Y10 + VPXOR Y3, Y10, Y10 + VPADDD Y10, Y6, Y6 + VPXOR Y6, Y2, Y2 + VPSHUFB ·rol8<>+0(SB), Y2, Y2 + VPADDD Y2, Y8, Y8 + VPXOR Y8, Y10, Y10 + VPSLLD $0x07, Y10, Y3 + VPSRLD $0x19, Y10, Y10 + VPXOR Y3, Y10, Y10 + VPALIGNR $0x0c, Y14, Y14, Y14 + VPALIGNR $0x0c, Y9, Y9, Y9 + VPALIGNR $0x0c, Y10, Y10, Y10 + VPALIGNR $0x08, Y12, Y12, Y12 + VPALIGNR $0x08, Y13, Y13, Y13 + VPALIGNR $0x08, Y8, Y8, Y8 + VPALIGNR $0x04, Y4, Y4, Y4 + VPALIGNR $0x04, Y1, Y1, Y1 + VPALIGNR $0x04, Y2, Y2, Y2 + DECQ R9 JNE openAVX2320InnerCipherLoop - - VMOVDQA ·chacha20Constants<>(SB), TT0 - VPADDD TT0, AA0, AA0; VPADDD TT0, AA1, AA1; VPADDD TT0, AA2, AA2 - VPADDD TT1, BB0, BB0; VPADDD TT1, BB1, BB1; VPADDD TT1, BB2, BB2 - VPADDD TT2, CC0, CC0; VPADDD TT2, CC1, CC1; VPADDD TT2, CC2, CC2 - VMOVDQA ·avx2IncMask<>(SB), TT0 - VPADDD TT3, DD0, DD0; VPADDD TT0, TT3, TT3 - VPADDD TT3, DD1, DD1; VPADDD TT0, TT3, TT3 - VPADDD TT3, DD2, DD2 + VMOVDQA ·chacha20Constants<>+0(SB), Y3 + VPADDD Y3, Y0, Y0 + VPADDD Y3, Y5, Y5 + VPADDD Y3, Y6, Y6 + VPADDD Y7, Y14, Y14 + VPADDD Y7, Y9, Y9 + VPADDD Y7, Y10, Y10 + VPADDD Y11, Y12, Y12 + VPADDD Y11, Y13, Y13 + VPADDD Y11, Y8, Y8 + VMOVDQA ·avx2IncMask<>+0(SB), Y3 + VPADDD Y15, Y4, Y4 + VPADDD Y3, Y15, Y15 + VPADDD Y15, Y1, Y1 + VPADDD Y3, Y15, Y15 + VPADDD Y15, Y2, Y2 // Clamp and store poly key - VPERM2I128 $0x02, AA0, BB0, TT0 - VPAND ·polyClampMask<>(SB), TT0, TT0 - VMOVDQA TT0, rsStoreAVX2 + VPERM2I128 $0x02, Y0, Y14, Y3 + VPAND ·polyClampMask<>+0(SB), Y3, Y3 + VMOVDQA Y3, (BP) // Stream for up to 320 bytes - VPERM2I128 $0x13, AA0, BB0, AA0 - VPERM2I128 $0x13, CC0, DD0, BB0 - VPERM2I128 $0x02, AA1, BB1, CC0 - VPERM2I128 $0x02, CC1, DD1, DD0 - VPERM2I128 $0x13, AA1, BB1, AA1 - VPERM2I128 $0x13, CC1, DD1, BB1 - VPERM2I128 $0x02, AA2, BB2, CC1 - VPERM2I128 $0x02, CC2, DD2, DD1 - VPERM2I128 $0x13, AA2, BB2, AA2 - VPERM2I128 $0x13, CC2, DD2, BB2 + VPERM2I128 $0x13, Y0, Y14, Y0 + VPERM2I128 $0x13, Y12, Y4, Y14 + VPERM2I128 $0x02, Y5, Y9, Y12 + VPERM2I128 $0x02, Y13, Y1, Y4 + VPERM2I128 $0x13, Y5, Y9, Y5 + VPERM2I128 $0x13, Y13, Y1, Y9 + VPERM2I128 $0x02, Y6, Y10, Y13 + VPERM2I128 $0x02, Y8, Y2, Y1 + VPERM2I128 $0x13, Y6, Y10, Y6 + VPERM2I128 $0x13, Y8, Y2, Y10 JMP openAVX2ShortOpen -// ---------------------------------------------------------------------------- -// Special optimization for the last 128 bytes of ciphertext openAVX2Tail128: // Need to decrypt up to 128 bytes - prepare two blocks - VMOVDQA ·chacha20Constants<>(SB), AA1 - VMOVDQA state1StoreAVX2, BB1 - VMOVDQA state2StoreAVX2, CC1 - VMOVDQA ctr3StoreAVX2, DD1 - VPADDD ·avx2IncMask<>(SB), DD1, DD1 - VMOVDQA DD1, DD0 - - XORQ itr2, itr2 - MOVQ inl, itr1 - ANDQ $-16, itr1 - TESTQ itr1, itr1 - JE openAVX2Tail128LoopB + VMOVDQA ·chacha20Constants<>+0(SB), Y5 + VMOVDQA 32(BP), Y9 + VMOVDQA 64(BP), Y13 + VMOVDQA 192(BP), Y1 + VPADDD ·avx2IncMask<>+0(SB), Y1, Y1 + VMOVDQA Y1, Y4 + XORQ R9, R9 + MOVQ BX, CX + ANDQ $-16, CX + TESTQ CX, CX + JE openAVX2Tail128LoopB openAVX2Tail128LoopA: - // Perform ChaCha rounds, while hashing the remaining input - polyAdd(0(inp)(itr2*1)) - polyMulAVX2 + ADDQ (SI)(R9*1), R10 + ADCQ 8(SI)(R9*1), R11 + ADCQ $0x01, R12 + MOVQ (BP), DX + MOVQ DX, R15 + MULXQ R10, R13, R14 + IMULQ R12, R15 + MULXQ R11, AX, DX + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), DX + MULXQ R10, R10, AX + ADDQ R10, R14 + MULXQ R11, R11, R8 + ADCQ R11, R15 + ADCQ $0x00, R8 + IMULQ R12, DX + ADDQ AX, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 openAVX2Tail128LoopB: - ADDQ $16, itr2 - chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0) - VPALIGNR $4, BB1, BB1, BB1 - VPALIGNR $8, CC1, CC1, CC1 - VPALIGNR $12, DD1, DD1, DD1 - chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0) - VPALIGNR $12, BB1, BB1, BB1 - VPALIGNR $8, CC1, CC1, CC1 - VPALIGNR $4, DD1, DD1, DD1 - CMPQ itr2, itr1 - JB openAVX2Tail128LoopA - CMPQ itr2, $160 - JNE openAVX2Tail128LoopB - - VPADDD ·chacha20Constants<>(SB), AA1, AA1 - VPADDD state1StoreAVX2, BB1, BB1 - VPADDD state2StoreAVX2, CC1, CC1 - VPADDD DD0, DD1, DD1 - VPERM2I128 $0x02, AA1, BB1, AA0; VPERM2I128 $0x02, CC1, DD1, BB0; VPERM2I128 $0x13, AA1, BB1, CC0; VPERM2I128 $0x13, CC1, DD1, DD0 + ADDQ $0x10, R9 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol16<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x0c, Y9, Y3 + VPSRLD $0x14, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol8<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x07, Y9, Y3 + VPSRLD $0x19, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPALIGNR $0x04, Y9, Y9, Y9 + VPALIGNR $0x08, Y13, Y13, Y13 + VPALIGNR $0x0c, Y1, Y1, Y1 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol16<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x0c, Y9, Y3 + VPSRLD $0x14, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol8<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x07, Y9, Y3 + VPSRLD $0x19, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPALIGNR $0x0c, Y9, Y9, Y9 + VPALIGNR $0x08, Y13, Y13, Y13 + VPALIGNR $0x04, Y1, Y1, Y1 + CMPQ R9, CX + JB openAVX2Tail128LoopA + CMPQ R9, $0xa0 + JNE openAVX2Tail128LoopB + VPADDD ·chacha20Constants<>+0(SB), Y5, Y5 + VPADDD 32(BP), Y9, Y9 + VPADDD 64(BP), Y13, Y13 + VPADDD Y4, Y1, Y1 + VPERM2I128 $0x02, Y5, Y9, Y0 + VPERM2I128 $0x02, Y13, Y1, Y14 + VPERM2I128 $0x13, Y5, Y9, Y12 + VPERM2I128 $0x13, Y13, Y1, Y4 openAVX2TailLoop: - CMPQ inl, $32 + CMPQ BX, $0x20 JB openAVX2Tail - SUBQ $32, inl + SUBQ $0x20, BX // Load for decryption - VPXOR (inp), AA0, AA0 - VMOVDQU AA0, (oup) - LEAQ (1*32)(inp), inp - LEAQ (1*32)(oup), oup - VMOVDQA BB0, AA0 - VMOVDQA CC0, BB0 - VMOVDQA DD0, CC0 + VPXOR (SI), Y0, Y0 + VMOVDQU Y0, (DI) + LEAQ 32(SI), SI + LEAQ 32(DI), DI + VMOVDQA Y14, Y0 + VMOVDQA Y12, Y14 + VMOVDQA Y4, Y12 JMP openAVX2TailLoop openAVX2Tail: - CMPQ inl, $16 - VMOVDQA A0, A1 + CMPQ BX, $0x10 + VMOVDQA X0, X1 JB openAVX2TailDone - SUBQ $16, inl + SUBQ $0x10, BX // Load for decryption - VPXOR (inp), A0, T0 - VMOVDQU T0, (oup) - LEAQ (1*16)(inp), inp - LEAQ (1*16)(oup), oup - VPERM2I128 $0x11, AA0, AA0, AA0 - VMOVDQA A0, A1 + VPXOR (SI), X0, X12 + VMOVDQU X12, (DI) + LEAQ 16(SI), SI + LEAQ 16(DI), DI + VPERM2I128 $0x11, Y0, Y0, Y0 + VMOVDQA X0, X1 openAVX2TailDone: VZEROUPPER JMP openSSETail16 -// ---------------------------------------------------------------------------- -// Special optimization for the last 256 bytes of ciphertext openAVX2Tail256: - // Need to decrypt up to 256 bytes - prepare four blocks - VMOVDQA ·chacha20Constants<>(SB), AA0; VMOVDQA AA0, AA1 - VMOVDQA state1StoreAVX2, BB0; VMOVDQA BB0, BB1 - VMOVDQA state2StoreAVX2, CC0; VMOVDQA CC0, CC1 - VMOVDQA ctr3StoreAVX2, DD0 - VPADDD ·avx2IncMask<>(SB), DD0, DD0 - VPADDD ·avx2IncMask<>(SB), DD0, DD1 - VMOVDQA DD0, TT1 - VMOVDQA DD1, TT2 + VMOVDQA ·chacha20Constants<>+0(SB), Y0 + VMOVDQA Y0, Y5 + VMOVDQA 32(BP), Y14 + VMOVDQA Y14, Y9 + VMOVDQA 64(BP), Y12 + VMOVDQA Y12, Y13 + VMOVDQA 192(BP), Y4 + VPADDD ·avx2IncMask<>+0(SB), Y4, Y4 + VPADDD ·avx2IncMask<>+0(SB), Y4, Y1 + VMOVDQA Y4, Y7 + VMOVDQA Y1, Y11 // Compute the number of iterations that will hash data - MOVQ inl, tmpStoreAVX2 - MOVQ inl, itr1 - SUBQ $128, itr1 - SHRQ $4, itr1 - MOVQ $10, itr2 - CMPQ itr1, $10 - CMOVQGT itr2, itr1 - MOVQ inp, inl - XORQ itr2, itr2 + MOVQ BX, 224(BP) + MOVQ BX, CX + SUBQ $0x80, CX + SHRQ $0x04, CX + MOVQ $0x0000000a, R9 + CMPQ CX, $0x0a + CMOVQGT R9, CX + MOVQ SI, BX + XORQ R9, R9 openAVX2Tail256LoopA: - polyAdd(0(inl)) - polyMulAVX2 - LEAQ 16(inl), inl + ADDQ (BX), R10 + ADCQ 8(BX), R11 + ADCQ $0x01, R12 + MOVQ (BP), DX + MOVQ DX, R15 + MULXQ R10, R13, R14 + IMULQ R12, R15 + MULXQ R11, AX, DX + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), DX + MULXQ R10, R10, AX + ADDQ R10, R14 + MULXQ R11, R11, R8 + ADCQ R11, R15 + ADCQ $0x00, R8 + IMULQ R12, DX + ADDQ AX, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + LEAQ 16(BX), BX - // Perform ChaCha rounds, while hashing the remaining input openAVX2Tail256LoopB: - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0); chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0) - VPALIGNR $4, BB0, BB0, BB0; VPALIGNR $4, BB1, BB1, BB1 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1 - VPALIGNR $12, DD0, DD0, DD0; VPALIGNR $12, DD1, DD1, DD1 - INCQ itr2 - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0); chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0) - VPALIGNR $12, BB0, BB0, BB0; VPALIGNR $12, BB1, BB1, BB1 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1 - VPALIGNR $4, DD0, DD0, DD0; VPALIGNR $4, DD1, DD1, DD1 - CMPQ itr2, itr1 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x0c, Y14, Y3 + VPSRLD $0x14, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol8<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x07, Y14, Y3 + VPSRLD $0x19, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol16<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x0c, Y9, Y3 + VPSRLD $0x14, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol8<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x07, Y9, Y3 + VPSRLD $0x19, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPALIGNR $0x04, Y14, Y14, Y14 + VPALIGNR $0x04, Y9, Y9, Y9 + VPALIGNR $0x08, Y12, Y12, Y12 + VPALIGNR $0x08, Y13, Y13, Y13 + VPALIGNR $0x0c, Y4, Y4, Y4 + VPALIGNR $0x0c, Y1, Y1, Y1 + INCQ R9 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x0c, Y14, Y3 + VPSRLD $0x14, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol8<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x07, Y14, Y3 + VPSRLD $0x19, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol16<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x0c, Y9, Y3 + VPSRLD $0x14, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol8<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x07, Y9, Y3 + VPSRLD $0x19, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPALIGNR $0x0c, Y14, Y14, Y14 + VPALIGNR $0x0c, Y9, Y9, Y9 + VPALIGNR $0x08, Y12, Y12, Y12 + VPALIGNR $0x08, Y13, Y13, Y13 + VPALIGNR $0x04, Y4, Y4, Y4 + VPALIGNR $0x04, Y1, Y1, Y1 + CMPQ R9, CX JB openAVX2Tail256LoopA + CMPQ R9, $0x0a + JNE openAVX2Tail256LoopB + MOVQ BX, R9 + SUBQ SI, BX + MOVQ BX, CX + MOVQ 224(BP), BX - CMPQ itr2, $10 - JNE openAVX2Tail256LoopB - - MOVQ inl, itr2 - SUBQ inp, inl - MOVQ inl, itr1 - MOVQ tmpStoreAVX2, inl - - // Hash the remainder of data (if any) openAVX2Tail256Hash: - ADDQ $16, itr1 - CMPQ itr1, inl - JGT openAVX2Tail256HashEnd - polyAdd (0(itr2)) - polyMulAVX2 - LEAQ 16(itr2), itr2 - JMP openAVX2Tail256Hash - -// Store 128 bytes safely, then go to store loop + ADDQ $0x10, CX + CMPQ CX, BX + JGT openAVX2Tail256HashEnd + ADDQ (R9), R10 + ADCQ 8(R9), R11 + ADCQ $0x01, R12 + MOVQ (BP), DX + MOVQ DX, R15 + MULXQ R10, R13, R14 + IMULQ R12, R15 + MULXQ R11, AX, DX + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), DX + MULXQ R10, R10, AX + ADDQ R10, R14 + MULXQ R11, R11, R8 + ADCQ R11, R15 + ADCQ $0x00, R8 + IMULQ R12, DX + ADDQ AX, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + LEAQ 16(R9), R9 + JMP openAVX2Tail256Hash + openAVX2Tail256HashEnd: - VPADDD ·chacha20Constants<>(SB), AA0, AA0; VPADDD ·chacha20Constants<>(SB), AA1, AA1 - VPADDD state1StoreAVX2, BB0, BB0; VPADDD state1StoreAVX2, BB1, BB1 - VPADDD state2StoreAVX2, CC0, CC0; VPADDD state2StoreAVX2, CC1, CC1 - VPADDD TT1, DD0, DD0; VPADDD TT2, DD1, DD1 - VPERM2I128 $0x02, AA0, BB0, AA2; VPERM2I128 $0x02, CC0, DD0, BB2; VPERM2I128 $0x13, AA0, BB0, CC2; VPERM2I128 $0x13, CC0, DD0, DD2 - VPERM2I128 $0x02, AA1, BB1, AA0; VPERM2I128 $0x02, CC1, DD1, BB0; VPERM2I128 $0x13, AA1, BB1, CC0; VPERM2I128 $0x13, CC1, DD1, DD0 - - VPXOR (0*32)(inp), AA2, AA2; VPXOR (1*32)(inp), BB2, BB2; VPXOR (2*32)(inp), CC2, CC2; VPXOR (3*32)(inp), DD2, DD2 - VMOVDQU AA2, (0*32)(oup); VMOVDQU BB2, (1*32)(oup); VMOVDQU CC2, (2*32)(oup); VMOVDQU DD2, (3*32)(oup) - LEAQ (4*32)(inp), inp - LEAQ (4*32)(oup), oup - SUBQ $4*32, inl - - JMP openAVX2TailLoop - -// ---------------------------------------------------------------------------- -// Special optimization for the last 384 bytes of ciphertext + VPADDD ·chacha20Constants<>+0(SB), Y0, Y0 + VPADDD ·chacha20Constants<>+0(SB), Y5, Y5 + VPADDD 32(BP), Y14, Y14 + VPADDD 32(BP), Y9, Y9 + VPADDD 64(BP), Y12, Y12 + VPADDD 64(BP), Y13, Y13 + VPADDD Y7, Y4, Y4 + VPADDD Y11, Y1, Y1 + VPERM2I128 $0x02, Y0, Y14, Y6 + VPERM2I128 $0x02, Y12, Y4, Y10 + VPERM2I128 $0x13, Y0, Y14, Y8 + VPERM2I128 $0x13, Y12, Y4, Y2 + VPERM2I128 $0x02, Y5, Y9, Y0 + VPERM2I128 $0x02, Y13, Y1, Y14 + VPERM2I128 $0x13, Y5, Y9, Y12 + VPERM2I128 $0x13, Y13, Y1, Y4 + VPXOR (SI), Y6, Y6 + VPXOR 32(SI), Y10, Y10 + VPXOR 64(SI), Y8, Y8 + VPXOR 96(SI), Y2, Y2 + VMOVDQU Y6, (DI) + VMOVDQU Y10, 32(DI) + VMOVDQU Y8, 64(DI) + VMOVDQU Y2, 96(DI) + LEAQ 128(SI), SI + LEAQ 128(DI), DI + SUBQ $0x80, BX + JMP openAVX2TailLoop + openAVX2Tail384: // Need to decrypt up to 384 bytes - prepare six blocks - VMOVDQA ·chacha20Constants<>(SB), AA0; VMOVDQA AA0, AA1; VMOVDQA AA0, AA2 - VMOVDQA state1StoreAVX2, BB0; VMOVDQA BB0, BB1; VMOVDQA BB0, BB2 - VMOVDQA state2StoreAVX2, CC0; VMOVDQA CC0, CC1; VMOVDQA CC0, CC2 - VMOVDQA ctr3StoreAVX2, DD0 - VPADDD ·avx2IncMask<>(SB), DD0, DD0 - VPADDD ·avx2IncMask<>(SB), DD0, DD1 - VPADDD ·avx2IncMask<>(SB), DD1, DD2 - VMOVDQA DD0, ctr0StoreAVX2 - VMOVDQA DD1, ctr1StoreAVX2 - VMOVDQA DD2, ctr2StoreAVX2 + VMOVDQA ·chacha20Constants<>+0(SB), Y0 + VMOVDQA Y0, Y5 + VMOVDQA Y0, Y6 + VMOVDQA 32(BP), Y14 + VMOVDQA Y14, Y9 + VMOVDQA Y14, Y10 + VMOVDQA 64(BP), Y12 + VMOVDQA Y12, Y13 + VMOVDQA Y12, Y8 + VMOVDQA 192(BP), Y4 + VPADDD ·avx2IncMask<>+0(SB), Y4, Y4 + VPADDD ·avx2IncMask<>+0(SB), Y4, Y1 + VPADDD ·avx2IncMask<>+0(SB), Y1, Y2 + VMOVDQA Y4, 96(BP) + VMOVDQA Y1, 128(BP) + VMOVDQA Y2, 160(BP) // Compute the number of iterations that will hash two blocks of data - MOVQ inl, tmpStoreAVX2 - MOVQ inl, itr1 - SUBQ $256, itr1 - SHRQ $4, itr1 - ADDQ $6, itr1 - MOVQ $10, itr2 - CMPQ itr1, $10 - CMOVQGT itr2, itr1 - MOVQ inp, inl - XORQ itr2, itr2 - - // Perform ChaCha rounds, while hashing the remaining input + MOVQ BX, 224(BP) + MOVQ BX, CX + SUBQ $0x00000100, CX + SHRQ $0x04, CX + ADDQ $0x06, CX + MOVQ $0x0000000a, R9 + CMPQ CX, $0x0a + CMOVQGT R9, CX + MOVQ SI, BX + XORQ R9, R9 + openAVX2Tail384LoopB: - polyAdd(0(inl)) - polyMulAVX2 - LEAQ 16(inl), inl + ADDQ (BX), R10 + ADCQ 8(BX), R11 + ADCQ $0x01, R12 + MOVQ (BP), DX + MOVQ DX, R15 + MULXQ R10, R13, R14 + IMULQ R12, R15 + MULXQ R11, AX, DX + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), DX + MULXQ R10, R10, AX + ADDQ R10, R14 + MULXQ R11, R11, R8 + ADCQ R11, R15 + ADCQ $0x00, R8 + IMULQ R12, DX + ADDQ AX, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + LEAQ 16(BX), BX openAVX2Tail384LoopA: - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0); chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0); chachaQR_AVX2(AA2, BB2, CC2, DD2, TT0) - VPALIGNR $4, BB0, BB0, BB0; VPALIGNR $4, BB1, BB1, BB1; VPALIGNR $4, BB2, BB2, BB2 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $8, CC2, CC2, CC2 - VPALIGNR $12, DD0, DD0, DD0; VPALIGNR $12, DD1, DD1, DD1; VPALIGNR $12, DD2, DD2, DD2 - polyAdd(0(inl)) - polyMulAVX2 - LEAQ 16(inl), inl - INCQ itr2 - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0); chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0); chachaQR_AVX2(AA2, BB2, CC2, DD2, TT0) - VPALIGNR $12, BB0, BB0, BB0; VPALIGNR $12, BB1, BB1, BB1; VPALIGNR $12, BB2, BB2, BB2 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $8, CC2, CC2, CC2 - VPALIGNR $4, DD0, DD0, DD0; VPALIGNR $4, DD1, DD1, DD1; VPALIGNR $4, DD2, DD2, DD2 - - CMPQ itr2, itr1 - JB openAVX2Tail384LoopB - - CMPQ itr2, $10 - JNE openAVX2Tail384LoopA - - MOVQ inl, itr2 - SUBQ inp, inl - MOVQ inl, itr1 - MOVQ tmpStoreAVX2, inl + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x0c, Y14, Y3 + VPSRLD $0x14, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol8<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x07, Y14, Y3 + VPSRLD $0x19, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol16<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x0c, Y9, Y3 + VPSRLD $0x14, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol8<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x07, Y9, Y3 + VPSRLD $0x19, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPADDD Y10, Y6, Y6 + VPXOR Y6, Y2, Y2 + VPSHUFB ·rol16<>+0(SB), Y2, Y2 + VPADDD Y2, Y8, Y8 + VPXOR Y8, Y10, Y10 + VPSLLD $0x0c, Y10, Y3 + VPSRLD $0x14, Y10, Y10 + VPXOR Y3, Y10, Y10 + VPADDD Y10, Y6, Y6 + VPXOR Y6, Y2, Y2 + VPSHUFB ·rol8<>+0(SB), Y2, Y2 + VPADDD Y2, Y8, Y8 + VPXOR Y8, Y10, Y10 + VPSLLD $0x07, Y10, Y3 + VPSRLD $0x19, Y10, Y10 + VPXOR Y3, Y10, Y10 + VPALIGNR $0x04, Y14, Y14, Y14 + VPALIGNR $0x04, Y9, Y9, Y9 + VPALIGNR $0x04, Y10, Y10, Y10 + VPALIGNR $0x08, Y12, Y12, Y12 + VPALIGNR $0x08, Y13, Y13, Y13 + VPALIGNR $0x08, Y8, Y8, Y8 + VPALIGNR $0x0c, Y4, Y4, Y4 + VPALIGNR $0x0c, Y1, Y1, Y1 + VPALIGNR $0x0c, Y2, Y2, Y2 + ADDQ (BX), R10 + ADCQ 8(BX), R11 + ADCQ $0x01, R12 + MOVQ (BP), DX + MOVQ DX, R15 + MULXQ R10, R13, R14 + IMULQ R12, R15 + MULXQ R11, AX, DX + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), DX + MULXQ R10, R10, AX + ADDQ R10, R14 + MULXQ R11, R11, R8 + ADCQ R11, R15 + ADCQ $0x00, R8 + IMULQ R12, DX + ADDQ AX, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + LEAQ 16(BX), BX + INCQ R9 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x0c, Y14, Y3 + VPSRLD $0x14, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol8<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x07, Y14, Y3 + VPSRLD $0x19, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol16<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x0c, Y9, Y3 + VPSRLD $0x14, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol8<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x07, Y9, Y3 + VPSRLD $0x19, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPADDD Y10, Y6, Y6 + VPXOR Y6, Y2, Y2 + VPSHUFB ·rol16<>+0(SB), Y2, Y2 + VPADDD Y2, Y8, Y8 + VPXOR Y8, Y10, Y10 + VPSLLD $0x0c, Y10, Y3 + VPSRLD $0x14, Y10, Y10 + VPXOR Y3, Y10, Y10 + VPADDD Y10, Y6, Y6 + VPXOR Y6, Y2, Y2 + VPSHUFB ·rol8<>+0(SB), Y2, Y2 + VPADDD Y2, Y8, Y8 + VPXOR Y8, Y10, Y10 + VPSLLD $0x07, Y10, Y3 + VPSRLD $0x19, Y10, Y10 + VPXOR Y3, Y10, Y10 + VPALIGNR $0x0c, Y14, Y14, Y14 + VPALIGNR $0x0c, Y9, Y9, Y9 + VPALIGNR $0x0c, Y10, Y10, Y10 + VPALIGNR $0x08, Y12, Y12, Y12 + VPALIGNR $0x08, Y13, Y13, Y13 + VPALIGNR $0x08, Y8, Y8, Y8 + VPALIGNR $0x04, Y4, Y4, Y4 + VPALIGNR $0x04, Y1, Y1, Y1 + VPALIGNR $0x04, Y2, Y2, Y2 + CMPQ R9, CX + JB openAVX2Tail384LoopB + CMPQ R9, $0x0a + JNE openAVX2Tail384LoopA + MOVQ BX, R9 + SUBQ SI, BX + MOVQ BX, CX + MOVQ 224(BP), BX openAVX2Tail384Hash: - ADDQ $16, itr1 - CMPQ itr1, inl - JGT openAVX2Tail384HashEnd - polyAdd(0(itr2)) - polyMulAVX2 - LEAQ 16(itr2), itr2 - JMP openAVX2Tail384Hash - -// Store 256 bytes safely, then go to store loop + ADDQ $0x10, CX + CMPQ CX, BX + JGT openAVX2Tail384HashEnd + ADDQ (R9), R10 + ADCQ 8(R9), R11 + ADCQ $0x01, R12 + MOVQ (BP), DX + MOVQ DX, R15 + MULXQ R10, R13, R14 + IMULQ R12, R15 + MULXQ R11, AX, DX + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), DX + MULXQ R10, R10, AX + ADDQ R10, R14 + MULXQ R11, R11, R8 + ADCQ R11, R15 + ADCQ $0x00, R8 + IMULQ R12, DX + ADDQ AX, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + LEAQ 16(R9), R9 + JMP openAVX2Tail384Hash + openAVX2Tail384HashEnd: - VPADDD ·chacha20Constants<>(SB), AA0, AA0; VPADDD ·chacha20Constants<>(SB), AA1, AA1; VPADDD ·chacha20Constants<>(SB), AA2, AA2 - VPADDD state1StoreAVX2, BB0, BB0; VPADDD state1StoreAVX2, BB1, BB1; VPADDD state1StoreAVX2, BB2, BB2 - VPADDD state2StoreAVX2, CC0, CC0; VPADDD state2StoreAVX2, CC1, CC1; VPADDD state2StoreAVX2, CC2, CC2 - VPADDD ctr0StoreAVX2, DD0, DD0; VPADDD ctr1StoreAVX2, DD1, DD1; VPADDD ctr2StoreAVX2, DD2, DD2 - VPERM2I128 $0x02, AA0, BB0, TT0; VPERM2I128 $0x02, CC0, DD0, TT1; VPERM2I128 $0x13, AA0, BB0, TT2; VPERM2I128 $0x13, CC0, DD0, TT3 - VPXOR (0*32)(inp), TT0, TT0; VPXOR (1*32)(inp), TT1, TT1; VPXOR (2*32)(inp), TT2, TT2; VPXOR (3*32)(inp), TT3, TT3 - VMOVDQU TT0, (0*32)(oup); VMOVDQU TT1, (1*32)(oup); VMOVDQU TT2, (2*32)(oup); VMOVDQU TT3, (3*32)(oup) - VPERM2I128 $0x02, AA1, BB1, TT0; VPERM2I128 $0x02, CC1, DD1, TT1; VPERM2I128 $0x13, AA1, BB1, TT2; VPERM2I128 $0x13, CC1, DD1, TT3 - VPXOR (4*32)(inp), TT0, TT0; VPXOR (5*32)(inp), TT1, TT1; VPXOR (6*32)(inp), TT2, TT2; VPXOR (7*32)(inp), TT3, TT3 - VMOVDQU TT0, (4*32)(oup); VMOVDQU TT1, (5*32)(oup); VMOVDQU TT2, (6*32)(oup); VMOVDQU TT3, (7*32)(oup) - VPERM2I128 $0x02, AA2, BB2, AA0; VPERM2I128 $0x02, CC2, DD2, BB0; VPERM2I128 $0x13, AA2, BB2, CC0; VPERM2I128 $0x13, CC2, DD2, DD0 - LEAQ (8*32)(inp), inp - LEAQ (8*32)(oup), oup - SUBQ $8*32, inl + VPADDD ·chacha20Constants<>+0(SB), Y0, Y0 + VPADDD ·chacha20Constants<>+0(SB), Y5, Y5 + VPADDD ·chacha20Constants<>+0(SB), Y6, Y6 + VPADDD 32(BP), Y14, Y14 + VPADDD 32(BP), Y9, Y9 + VPADDD 32(BP), Y10, Y10 + VPADDD 64(BP), Y12, Y12 + VPADDD 64(BP), Y13, Y13 + VPADDD 64(BP), Y8, Y8 + VPADDD 96(BP), Y4, Y4 + VPADDD 128(BP), Y1, Y1 + VPADDD 160(BP), Y2, Y2 + VPERM2I128 $0x02, Y0, Y14, Y3 + VPERM2I128 $0x02, Y12, Y4, Y7 + VPERM2I128 $0x13, Y0, Y14, Y11 + VPERM2I128 $0x13, Y12, Y4, Y15 + VPXOR (SI), Y3, Y3 + VPXOR 32(SI), Y7, Y7 + VPXOR 64(SI), Y11, Y11 + VPXOR 96(SI), Y15, Y15 + VMOVDQU Y3, (DI) + VMOVDQU Y7, 32(DI) + VMOVDQU Y11, 64(DI) + VMOVDQU Y15, 96(DI) + VPERM2I128 $0x02, Y5, Y9, Y3 + VPERM2I128 $0x02, Y13, Y1, Y7 + VPERM2I128 $0x13, Y5, Y9, Y11 + VPERM2I128 $0x13, Y13, Y1, Y15 + VPXOR 128(SI), Y3, Y3 + VPXOR 160(SI), Y7, Y7 + VPXOR 192(SI), Y11, Y11 + VPXOR 224(SI), Y15, Y15 + VMOVDQU Y3, 128(DI) + VMOVDQU Y7, 160(DI) + VMOVDQU Y11, 192(DI) + VMOVDQU Y15, 224(DI) + VPERM2I128 $0x02, Y6, Y10, Y0 + VPERM2I128 $0x02, Y8, Y2, Y14 + VPERM2I128 $0x13, Y6, Y10, Y12 + VPERM2I128 $0x13, Y8, Y2, Y4 + LEAQ 256(SI), SI + LEAQ 256(DI), DI + SUBQ $0x00000100, BX JMP openAVX2TailLoop -// ---------------------------------------------------------------------------- -// Special optimization for the last 512 bytes of ciphertext openAVX2Tail512: - VMOVDQU ·chacha20Constants<>(SB), AA0; VMOVDQA AA0, AA1; VMOVDQA AA0, AA2; VMOVDQA AA0, AA3 - VMOVDQA state1StoreAVX2, BB0; VMOVDQA BB0, BB1; VMOVDQA BB0, BB2; VMOVDQA BB0, BB3 - VMOVDQA state2StoreAVX2, CC0; VMOVDQA CC0, CC1; VMOVDQA CC0, CC2; VMOVDQA CC0, CC3 - VMOVDQA ctr3StoreAVX2, DD0; VPADDD ·avx2IncMask<>(SB), DD0, DD0; VPADDD ·avx2IncMask<>(SB), DD0, DD1; VPADDD ·avx2IncMask<>(SB), DD1, DD2; VPADDD ·avx2IncMask<>(SB), DD2, DD3 - VMOVDQA DD0, ctr0StoreAVX2; VMOVDQA DD1, ctr1StoreAVX2; VMOVDQA DD2, ctr2StoreAVX2; VMOVDQA DD3, ctr3StoreAVX2 - XORQ itr1, itr1 - MOVQ inp, itr2 + VMOVDQU ·chacha20Constants<>+0(SB), Y0 + VMOVDQA Y0, Y5 + VMOVDQA Y0, Y6 + VMOVDQA Y0, Y7 + VMOVDQA 32(BP), Y14 + VMOVDQA Y14, Y9 + VMOVDQA Y14, Y10 + VMOVDQA Y14, Y11 + VMOVDQA 64(BP), Y12 + VMOVDQA Y12, Y13 + VMOVDQA Y12, Y8 + VMOVDQA Y12, Y15 + VMOVDQA 192(BP), Y4 + VPADDD ·avx2IncMask<>+0(SB), Y4, Y4 + VPADDD ·avx2IncMask<>+0(SB), Y4, Y1 + VPADDD ·avx2IncMask<>+0(SB), Y1, Y2 + VPADDD ·avx2IncMask<>+0(SB), Y2, Y3 + VMOVDQA Y4, 96(BP) + VMOVDQA Y1, 128(BP) + VMOVDQA Y2, 160(BP) + VMOVDQA Y3, 192(BP) + XORQ CX, CX + MOVQ SI, R9 openAVX2Tail512LoopB: - polyAdd(0(itr2)) - polyMulAVX2 - LEAQ (2*8)(itr2), itr2 + ADDQ (R9), R10 + ADCQ 8(R9), R11 + ADCQ $0x01, R12 + MOVQ (BP), DX + MOVQ DX, R15 + MULXQ R10, R13, R14 + IMULQ R12, R15 + MULXQ R11, AX, DX + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), DX + MULXQ R10, R10, AX + ADDQ R10, R14 + MULXQ R11, R11, R8 + ADCQ R11, R15 + ADCQ $0x00, R8 + IMULQ R12, DX + ADDQ AX, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + LEAQ 16(R9), R9 openAVX2Tail512LoopA: - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - VPSHUFB ·rol16<>(SB), DD0, DD0; VPSHUFB ·rol16<>(SB), DD1, DD1; VPSHUFB ·rol16<>(SB), DD2, DD2; VPSHUFB ·rol16<>(SB), DD3, DD3 - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $12, BB0, CC3; VPSRLD $20, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $12, BB1, CC3; VPSRLD $20, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $12, BB2, CC3; VPSRLD $20, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $12, BB3, CC3; VPSRLD $20, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - polyAdd(0*8(itr2)) - polyMulAVX2 - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - VPSHUFB ·rol8<>(SB), DD0, DD0; VPSHUFB ·rol8<>(SB), DD1, DD1; VPSHUFB ·rol8<>(SB), DD2, DD2; VPSHUFB ·rol8<>(SB), DD3, DD3 - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $7, BB0, CC3; VPSRLD $25, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $7, BB1, CC3; VPSRLD $25, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $7, BB2, CC3; VPSRLD $25, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $7, BB3, CC3; VPSRLD $25, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - VPALIGNR $4, BB0, BB0, BB0; VPALIGNR $4, BB1, BB1, BB1; VPALIGNR $4, BB2, BB2, BB2; VPALIGNR $4, BB3, BB3, BB3 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $8, CC2, CC2, CC2; VPALIGNR $8, CC3, CC3, CC3 - VPALIGNR $12, DD0, DD0, DD0; VPALIGNR $12, DD1, DD1, DD1; VPALIGNR $12, DD2, DD2, DD2; VPALIGNR $12, DD3, DD3, DD3 - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - VPSHUFB ·rol16<>(SB), DD0, DD0; VPSHUFB ·rol16<>(SB), DD1, DD1; VPSHUFB ·rol16<>(SB), DD2, DD2; VPSHUFB ·rol16<>(SB), DD3, DD3 - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - polyAdd(2*8(itr2)) - polyMulAVX2 - LEAQ (4*8)(itr2), itr2 - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $12, BB0, CC3; VPSRLD $20, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $12, BB1, CC3; VPSRLD $20, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $12, BB2, CC3; VPSRLD $20, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $12, BB3, CC3; VPSRLD $20, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - VPSHUFB ·rol8<>(SB), DD0, DD0; VPSHUFB ·rol8<>(SB), DD1, DD1; VPSHUFB ·rol8<>(SB), DD2, DD2; VPSHUFB ·rol8<>(SB), DD3, DD3 - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $7, BB0, CC3; VPSRLD $25, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $7, BB1, CC3; VPSRLD $25, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $7, BB2, CC3; VPSRLD $25, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $7, BB3, CC3; VPSRLD $25, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - VPALIGNR $12, BB0, BB0, BB0; VPALIGNR $12, BB1, BB1, BB1; VPALIGNR $12, BB2, BB2, BB2; VPALIGNR $12, BB3, BB3, BB3 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $8, CC2, CC2, CC2; VPALIGNR $8, CC3, CC3, CC3 - VPALIGNR $4, DD0, DD0, DD0; VPALIGNR $4, DD1, DD1, DD1; VPALIGNR $4, DD2, DD2, DD2; VPALIGNR $4, DD3, DD3, DD3 - INCQ itr1 - CMPQ itr1, $4 + VPADDD Y14, Y0, Y0 + VPADDD Y9, Y5, Y5 + VPADDD Y10, Y6, Y6 + VPADDD Y11, Y7, Y7 + VPXOR Y0, Y4, Y4 + VPXOR Y5, Y1, Y1 + VPXOR Y6, Y2, Y2 + VPXOR Y7, Y3, Y3 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y1, Y1 + VPSHUFB ·rol16<>+0(SB), Y2, Y2 + VPSHUFB ·rol16<>+0(SB), Y3, Y3 + VPADDD Y4, Y12, Y12 + VPADDD Y1, Y13, Y13 + VPADDD Y2, Y8, Y8 + VPADDD Y3, Y15, Y15 + VPXOR Y12, Y14, Y14 + VPXOR Y13, Y9, Y9 + VPXOR Y8, Y10, Y10 + VPXOR Y15, Y11, Y11 + VMOVDQA Y15, 224(BP) + VPSLLD $0x0c, Y14, Y15 + VPSRLD $0x14, Y14, Y14 + VPXOR Y15, Y14, Y14 + VPSLLD $0x0c, Y9, Y15 + VPSRLD $0x14, Y9, Y9 + VPXOR Y15, Y9, Y9 + VPSLLD $0x0c, Y10, Y15 + VPSRLD $0x14, Y10, Y10 + VPXOR Y15, Y10, Y10 + VPSLLD $0x0c, Y11, Y15 + VPSRLD $0x14, Y11, Y11 + VPXOR Y15, Y11, Y11 + VMOVDQA 224(BP), Y15 + ADDQ (R9), R10 + ADCQ 8(R9), R11 + ADCQ $0x01, R12 + MOVQ (BP), DX + MOVQ DX, R15 + MULXQ R10, R13, R14 + IMULQ R12, R15 + MULXQ R11, AX, DX + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), DX + MULXQ R10, R10, AX + ADDQ R10, R14 + MULXQ R11, R11, R8 + ADCQ R11, R15 + ADCQ $0x00, R8 + IMULQ R12, DX + ADDQ AX, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + VPADDD Y14, Y0, Y0 + VPADDD Y9, Y5, Y5 + VPADDD Y10, Y6, Y6 + VPADDD Y11, Y7, Y7 + VPXOR Y0, Y4, Y4 + VPXOR Y5, Y1, Y1 + VPXOR Y6, Y2, Y2 + VPXOR Y7, Y3, Y3 + VPSHUFB ·rol8<>+0(SB), Y4, Y4 + VPSHUFB ·rol8<>+0(SB), Y1, Y1 + VPSHUFB ·rol8<>+0(SB), Y2, Y2 + VPSHUFB ·rol8<>+0(SB), Y3, Y3 + VPADDD Y4, Y12, Y12 + VPADDD Y1, Y13, Y13 + VPADDD Y2, Y8, Y8 + VPADDD Y3, Y15, Y15 + VPXOR Y12, Y14, Y14 + VPXOR Y13, Y9, Y9 + VPXOR Y8, Y10, Y10 + VPXOR Y15, Y11, Y11 + VMOVDQA Y15, 224(BP) + VPSLLD $0x07, Y14, Y15 + VPSRLD $0x19, Y14, Y14 + VPXOR Y15, Y14, Y14 + VPSLLD $0x07, Y9, Y15 + VPSRLD $0x19, Y9, Y9 + VPXOR Y15, Y9, Y9 + VPSLLD $0x07, Y10, Y15 + VPSRLD $0x19, Y10, Y10 + VPXOR Y15, Y10, Y10 + VPSLLD $0x07, Y11, Y15 + VPSRLD $0x19, Y11, Y11 + VPXOR Y15, Y11, Y11 + VMOVDQA 224(BP), Y15 + VPALIGNR $0x04, Y14, Y14, Y14 + VPALIGNR $0x04, Y9, Y9, Y9 + VPALIGNR $0x04, Y10, Y10, Y10 + VPALIGNR $0x04, Y11, Y11, Y11 + VPALIGNR $0x08, Y12, Y12, Y12 + VPALIGNR $0x08, Y13, Y13, Y13 + VPALIGNR $0x08, Y8, Y8, Y8 + VPALIGNR $0x08, Y15, Y15, Y15 + VPALIGNR $0x0c, Y4, Y4, Y4 + VPALIGNR $0x0c, Y1, Y1, Y1 + VPALIGNR $0x0c, Y2, Y2, Y2 + VPALIGNR $0x0c, Y3, Y3, Y3 + VPADDD Y14, Y0, Y0 + VPADDD Y9, Y5, Y5 + VPADDD Y10, Y6, Y6 + VPADDD Y11, Y7, Y7 + VPXOR Y0, Y4, Y4 + VPXOR Y5, Y1, Y1 + VPXOR Y6, Y2, Y2 + VPXOR Y7, Y3, Y3 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y1, Y1 + VPSHUFB ·rol16<>+0(SB), Y2, Y2 + VPSHUFB ·rol16<>+0(SB), Y3, Y3 + VPADDD Y4, Y12, Y12 + VPADDD Y1, Y13, Y13 + VPADDD Y2, Y8, Y8 + VPADDD Y3, Y15, Y15 + VPXOR Y12, Y14, Y14 + VPXOR Y13, Y9, Y9 + VPXOR Y8, Y10, Y10 + VPXOR Y15, Y11, Y11 + ADDQ 16(R9), R10 + ADCQ 24(R9), R11 + ADCQ $0x01, R12 + MOVQ (BP), DX + MOVQ DX, R15 + MULXQ R10, R13, R14 + IMULQ R12, R15 + MULXQ R11, AX, DX + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), DX + MULXQ R10, R10, AX + ADDQ R10, R14 + MULXQ R11, R11, R8 + ADCQ R11, R15 + ADCQ $0x00, R8 + IMULQ R12, DX + ADDQ AX, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + LEAQ 32(R9), R9 + VMOVDQA Y15, 224(BP) + VPSLLD $0x0c, Y14, Y15 + VPSRLD $0x14, Y14, Y14 + VPXOR Y15, Y14, Y14 + VPSLLD $0x0c, Y9, Y15 + VPSRLD $0x14, Y9, Y9 + VPXOR Y15, Y9, Y9 + VPSLLD $0x0c, Y10, Y15 + VPSRLD $0x14, Y10, Y10 + VPXOR Y15, Y10, Y10 + VPSLLD $0x0c, Y11, Y15 + VPSRLD $0x14, Y11, Y11 + VPXOR Y15, Y11, Y11 + VMOVDQA 224(BP), Y15 + VPADDD Y14, Y0, Y0 + VPADDD Y9, Y5, Y5 + VPADDD Y10, Y6, Y6 + VPADDD Y11, Y7, Y7 + VPXOR Y0, Y4, Y4 + VPXOR Y5, Y1, Y1 + VPXOR Y6, Y2, Y2 + VPXOR Y7, Y3, Y3 + VPSHUFB ·rol8<>+0(SB), Y4, Y4 + VPSHUFB ·rol8<>+0(SB), Y1, Y1 + VPSHUFB ·rol8<>+0(SB), Y2, Y2 + VPSHUFB ·rol8<>+0(SB), Y3, Y3 + VPADDD Y4, Y12, Y12 + VPADDD Y1, Y13, Y13 + VPADDD Y2, Y8, Y8 + VPADDD Y3, Y15, Y15 + VPXOR Y12, Y14, Y14 + VPXOR Y13, Y9, Y9 + VPXOR Y8, Y10, Y10 + VPXOR Y15, Y11, Y11 + VMOVDQA Y15, 224(BP) + VPSLLD $0x07, Y14, Y15 + VPSRLD $0x19, Y14, Y14 + VPXOR Y15, Y14, Y14 + VPSLLD $0x07, Y9, Y15 + VPSRLD $0x19, Y9, Y9 + VPXOR Y15, Y9, Y9 + VPSLLD $0x07, Y10, Y15 + VPSRLD $0x19, Y10, Y10 + VPXOR Y15, Y10, Y10 + VPSLLD $0x07, Y11, Y15 + VPSRLD $0x19, Y11, Y11 + VPXOR Y15, Y11, Y11 + VMOVDQA 224(BP), Y15 + VPALIGNR $0x0c, Y14, Y14, Y14 + VPALIGNR $0x0c, Y9, Y9, Y9 + VPALIGNR $0x0c, Y10, Y10, Y10 + VPALIGNR $0x0c, Y11, Y11, Y11 + VPALIGNR $0x08, Y12, Y12, Y12 + VPALIGNR $0x08, Y13, Y13, Y13 + VPALIGNR $0x08, Y8, Y8, Y8 + VPALIGNR $0x08, Y15, Y15, Y15 + VPALIGNR $0x04, Y4, Y4, Y4 + VPALIGNR $0x04, Y1, Y1, Y1 + VPALIGNR $0x04, Y2, Y2, Y2 + VPALIGNR $0x04, Y3, Y3, Y3 + INCQ CX + CMPQ CX, $0x04 JLT openAVX2Tail512LoopB - - CMPQ itr1, $10 - JNE openAVX2Tail512LoopA - - MOVQ inl, itr1 - SUBQ $384, itr1 - ANDQ $-16, itr1 + CMPQ CX, $0x0a + JNE openAVX2Tail512LoopA + MOVQ BX, CX + SUBQ $0x00000180, CX + ANDQ $-16, CX openAVX2Tail512HashLoop: - TESTQ itr1, itr1 + TESTQ CX, CX JE openAVX2Tail512HashEnd - polyAdd(0(itr2)) - polyMulAVX2 - LEAQ 16(itr2), itr2 - SUBQ $16, itr1 + ADDQ (R9), R10 + ADCQ 8(R9), R11 + ADCQ $0x01, R12 + MOVQ (BP), DX + MOVQ DX, R15 + MULXQ R10, R13, R14 + IMULQ R12, R15 + MULXQ R11, AX, DX + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), DX + MULXQ R10, R10, AX + ADDQ R10, R14 + MULXQ R11, R11, R8 + ADCQ R11, R15 + ADCQ $0x00, R8 + IMULQ R12, DX + ADDQ AX, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + LEAQ 16(R9), R9 + SUBQ $0x10, CX JMP openAVX2Tail512HashLoop openAVX2Tail512HashEnd: - VPADDD ·chacha20Constants<>(SB), AA0, AA0; VPADDD ·chacha20Constants<>(SB), AA1, AA1; VPADDD ·chacha20Constants<>(SB), AA2, AA2; VPADDD ·chacha20Constants<>(SB), AA3, AA3 - VPADDD state1StoreAVX2, BB0, BB0; VPADDD state1StoreAVX2, BB1, BB1; VPADDD state1StoreAVX2, BB2, BB2; VPADDD state1StoreAVX2, BB3, BB3 - VPADDD state2StoreAVX2, CC0, CC0; VPADDD state2StoreAVX2, CC1, CC1; VPADDD state2StoreAVX2, CC2, CC2; VPADDD state2StoreAVX2, CC3, CC3 - VPADDD ctr0StoreAVX2, DD0, DD0; VPADDD ctr1StoreAVX2, DD1, DD1; VPADDD ctr2StoreAVX2, DD2, DD2; VPADDD ctr3StoreAVX2, DD3, DD3 - VMOVDQA CC3, tmpStoreAVX2 - VPERM2I128 $0x02, AA0, BB0, CC3; VPERM2I128 $0x13, AA0, BB0, BB0; VPERM2I128 $0x02, CC0, DD0, AA0; VPERM2I128 $0x13, CC0, DD0, CC0 - VPXOR (0*32)(inp), CC3, CC3; VPXOR (1*32)(inp), AA0, AA0; VPXOR (2*32)(inp), BB0, BB0; VPXOR (3*32)(inp), CC0, CC0 - VMOVDQU CC3, (0*32)(oup); VMOVDQU AA0, (1*32)(oup); VMOVDQU BB0, (2*32)(oup); VMOVDQU CC0, (3*32)(oup) - VPERM2I128 $0x02, AA1, BB1, AA0; VPERM2I128 $0x02, CC1, DD1, BB0; VPERM2I128 $0x13, AA1, BB1, CC0; VPERM2I128 $0x13, CC1, DD1, DD0 - VPXOR (4*32)(inp), AA0, AA0; VPXOR (5*32)(inp), BB0, BB0; VPXOR (6*32)(inp), CC0, CC0; VPXOR (7*32)(inp), DD0, DD0 - VMOVDQU AA0, (4*32)(oup); VMOVDQU BB0, (5*32)(oup); VMOVDQU CC0, (6*32)(oup); VMOVDQU DD0, (7*32)(oup) - VPERM2I128 $0x02, AA2, BB2, AA0; VPERM2I128 $0x02, CC2, DD2, BB0; VPERM2I128 $0x13, AA2, BB2, CC0; VPERM2I128 $0x13, CC2, DD2, DD0 - VPXOR (8*32)(inp), AA0, AA0; VPXOR (9*32)(inp), BB0, BB0; VPXOR (10*32)(inp), CC0, CC0; VPXOR (11*32)(inp), DD0, DD0 - VMOVDQU AA0, (8*32)(oup); VMOVDQU BB0, (9*32)(oup); VMOVDQU CC0, (10*32)(oup); VMOVDQU DD0, (11*32)(oup) - VPERM2I128 $0x02, AA3, BB3, AA0; VPERM2I128 $0x02, tmpStoreAVX2, DD3, BB0; VPERM2I128 $0x13, AA3, BB3, CC0; VPERM2I128 $0x13, tmpStoreAVX2, DD3, DD0 - - LEAQ (12*32)(inp), inp - LEAQ (12*32)(oup), oup - SUBQ $12*32, inl - - JMP openAVX2TailLoop - -// ---------------------------------------------------------------------------- -// ---------------------------------------------------------------------------- -// func chacha20Poly1305Seal(dst, key, src, ad []byte) -TEXT ·chacha20Poly1305Seal(SB), 0, $288-96 - // For aligned stack access + VPADDD ·chacha20Constants<>+0(SB), Y0, Y0 + VPADDD ·chacha20Constants<>+0(SB), Y5, Y5 + VPADDD ·chacha20Constants<>+0(SB), Y6, Y6 + VPADDD ·chacha20Constants<>+0(SB), Y7, Y7 + VPADDD 32(BP), Y14, Y14 + VPADDD 32(BP), Y9, Y9 + VPADDD 32(BP), Y10, Y10 + VPADDD 32(BP), Y11, Y11 + VPADDD 64(BP), Y12, Y12 + VPADDD 64(BP), Y13, Y13 + VPADDD 64(BP), Y8, Y8 + VPADDD 64(BP), Y15, Y15 + VPADDD 96(BP), Y4, Y4 + VPADDD 128(BP), Y1, Y1 + VPADDD 160(BP), Y2, Y2 + VPADDD 192(BP), Y3, Y3 + VMOVDQA Y15, 224(BP) + VPERM2I128 $0x02, Y0, Y14, Y15 + VPERM2I128 $0x13, Y0, Y14, Y14 + VPERM2I128 $0x02, Y12, Y4, Y0 + VPERM2I128 $0x13, Y12, Y4, Y12 + VPXOR (SI), Y15, Y15 + VPXOR 32(SI), Y0, Y0 + VPXOR 64(SI), Y14, Y14 + VPXOR 96(SI), Y12, Y12 + VMOVDQU Y15, (DI) + VMOVDQU Y0, 32(DI) + VMOVDQU Y14, 64(DI) + VMOVDQU Y12, 96(DI) + VPERM2I128 $0x02, Y5, Y9, Y0 + VPERM2I128 $0x02, Y13, Y1, Y14 + VPERM2I128 $0x13, Y5, Y9, Y12 + VPERM2I128 $0x13, Y13, Y1, Y4 + VPXOR 128(SI), Y0, Y0 + VPXOR 160(SI), Y14, Y14 + VPXOR 192(SI), Y12, Y12 + VPXOR 224(SI), Y4, Y4 + VMOVDQU Y0, 128(DI) + VMOVDQU Y14, 160(DI) + VMOVDQU Y12, 192(DI) + VMOVDQU Y4, 224(DI) + VPERM2I128 $0x02, Y6, Y10, Y0 + VPERM2I128 $0x02, Y8, Y2, Y14 + VPERM2I128 $0x13, Y6, Y10, Y12 + VPERM2I128 $0x13, Y8, Y2, Y4 + VPXOR 256(SI), Y0, Y0 + VPXOR 288(SI), Y14, Y14 + VPXOR 320(SI), Y12, Y12 + VPXOR 352(SI), Y4, Y4 + VMOVDQU Y0, 256(DI) + VMOVDQU Y14, 288(DI) + VMOVDQU Y12, 320(DI) + VMOVDQU Y4, 352(DI) + VPERM2I128 $0x02, Y7, Y11, Y0 + VPERM2I128 $0x02, 224(BP), Y3, Y14 + VPERM2I128 $0x13, Y7, Y11, Y12 + VPERM2I128 $0x13, 224(BP), Y3, Y4 + LEAQ 384(SI), SI + LEAQ 384(DI), DI + SUBQ $0x00000180, BX + JMP openAVX2TailLoop + +DATA ·chacha20Constants<>+0(SB)/4, $0x61707865 +DATA ·chacha20Constants<>+4(SB)/4, $0x3320646e +DATA ·chacha20Constants<>+8(SB)/4, $0x79622d32 +DATA ·chacha20Constants<>+12(SB)/4, $0x6b206574 +DATA ·chacha20Constants<>+16(SB)/4, $0x61707865 +DATA ·chacha20Constants<>+20(SB)/4, $0x3320646e +DATA ·chacha20Constants<>+24(SB)/4, $0x79622d32 +DATA ·chacha20Constants<>+28(SB)/4, $0x6b206574 +GLOBL ·chacha20Constants<>(SB), RODATA|NOPTR, $32 + +DATA ·polyClampMask<>+0(SB)/8, $0x0ffffffc0fffffff +DATA ·polyClampMask<>+8(SB)/8, $0x0ffffffc0ffffffc +DATA ·polyClampMask<>+16(SB)/8, $0xffffffffffffffff +DATA ·polyClampMask<>+24(SB)/8, $0xffffffffffffffff +GLOBL ·polyClampMask<>(SB), RODATA|NOPTR, $32 + +DATA ·sseIncMask<>+0(SB)/8, $0x0000000000000001 +DATA ·sseIncMask<>+8(SB)/8, $0x0000000000000000 +GLOBL ·sseIncMask<>(SB), RODATA|NOPTR, $16 + +DATA ·andMask<>+0(SB)/8, $0x00000000000000ff +DATA ·andMask<>+8(SB)/8, $0x0000000000000000 +DATA ·andMask<>+16(SB)/8, $0x000000000000ffff +DATA ·andMask<>+24(SB)/8, $0x0000000000000000 +DATA ·andMask<>+32(SB)/8, $0x0000000000ffffff +DATA ·andMask<>+40(SB)/8, $0x0000000000000000 +DATA ·andMask<>+48(SB)/8, $0x00000000ffffffff +DATA ·andMask<>+56(SB)/8, $0x0000000000000000 +DATA ·andMask<>+64(SB)/8, $0x000000ffffffffff +DATA ·andMask<>+72(SB)/8, $0x0000000000000000 +DATA ·andMask<>+80(SB)/8, $0x0000ffffffffffff +DATA ·andMask<>+88(SB)/8, $0x0000000000000000 +DATA ·andMask<>+96(SB)/8, $0x00ffffffffffffff +DATA ·andMask<>+104(SB)/8, $0x0000000000000000 +DATA ·andMask<>+112(SB)/8, $0xffffffffffffffff +DATA ·andMask<>+120(SB)/8, $0x0000000000000000 +DATA ·andMask<>+128(SB)/8, $0xffffffffffffffff +DATA ·andMask<>+136(SB)/8, $0x00000000000000ff +DATA ·andMask<>+144(SB)/8, $0xffffffffffffffff +DATA ·andMask<>+152(SB)/8, $0x000000000000ffff +DATA ·andMask<>+160(SB)/8, $0xffffffffffffffff +DATA ·andMask<>+168(SB)/8, $0x0000000000ffffff +DATA ·andMask<>+176(SB)/8, $0xffffffffffffffff +DATA ·andMask<>+184(SB)/8, $0x00000000ffffffff +DATA ·andMask<>+192(SB)/8, $0xffffffffffffffff +DATA ·andMask<>+200(SB)/8, $0x000000ffffffffff +DATA ·andMask<>+208(SB)/8, $0xffffffffffffffff +DATA ·andMask<>+216(SB)/8, $0x0000ffffffffffff +DATA ·andMask<>+224(SB)/8, $0xffffffffffffffff +DATA ·andMask<>+232(SB)/8, $0x00ffffffffffffff +GLOBL ·andMask<>(SB), RODATA|NOPTR, $240 + +DATA ·avx2InitMask<>+0(SB)/8, $0x0000000000000000 +DATA ·avx2InitMask<>+8(SB)/8, $0x0000000000000000 +DATA ·avx2InitMask<>+16(SB)/8, $0x0000000000000001 +DATA ·avx2InitMask<>+24(SB)/8, $0x0000000000000000 +GLOBL ·avx2InitMask<>(SB), RODATA|NOPTR, $32 + +DATA ·rol16<>+0(SB)/8, $0x0504070601000302 +DATA ·rol16<>+8(SB)/8, $0x0d0c0f0e09080b0a +DATA ·rol16<>+16(SB)/8, $0x0504070601000302 +DATA ·rol16<>+24(SB)/8, $0x0d0c0f0e09080b0a +GLOBL ·rol16<>(SB), RODATA|NOPTR, $32 + +DATA ·rol8<>+0(SB)/8, $0x0605040702010003 +DATA ·rol8<>+8(SB)/8, $0x0e0d0c0f0a09080b +DATA ·rol8<>+16(SB)/8, $0x0605040702010003 +DATA ·rol8<>+24(SB)/8, $0x0e0d0c0f0a09080b +GLOBL ·rol8<>(SB), RODATA|NOPTR, $32 + +DATA ·avx2IncMask<>+0(SB)/8, $0x0000000000000002 +DATA ·avx2IncMask<>+8(SB)/8, $0x0000000000000000 +DATA ·avx2IncMask<>+16(SB)/8, $0x0000000000000002 +DATA ·avx2IncMask<>+24(SB)/8, $0x0000000000000000 +GLOBL ·avx2IncMask<>(SB), RODATA|NOPTR, $32 + +// func chacha20Poly1305Seal(dst []byte, key []uint32, src []byte, ad []byte) +// Requires: AVX, AVX2, BMI2, CMOV, SSE2 +TEXT ·chacha20Poly1305Seal(SB), $288-96 MOVQ SP, BP - ADDQ $32, BP + ADDQ $0x20, BP ANDQ $-32, BP - MOVQ dst+0(FP), oup - MOVQ key+24(FP), keyp - MOVQ src+48(FP), inp - MOVQ src_len+56(FP), inl - MOVQ ad+72(FP), adp - - CMPB ·useAVX2(SB), $1 + MOVQ dst_base+0(FP), DI + MOVQ key_base+24(FP), R8 + MOVQ src_base+48(FP), SI + MOVQ src_len+56(FP), BX + MOVQ ad_base+72(FP), CX + CMPB ·useAVX2+0(SB), $0x01 JE chacha20Poly1305Seal_AVX2 // Special optimization, for very short buffers - CMPQ inl, $128 - JBE sealSSE128 // About 15% faster + CMPQ BX, $0x80 + JBE sealSSE128 // In the seal case - prepare the poly key + 3 blocks of stream in the first iteration - MOVOU ·chacha20Constants<>(SB), A0 - MOVOU (1*16)(keyp), B0 - MOVOU (2*16)(keyp), C0 - MOVOU (3*16)(keyp), D0 + MOVOU ·chacha20Constants<>+0(SB), X0 + MOVOU 16(R8), X3 + MOVOU 32(R8), X6 + MOVOU 48(R8), X9 // Store state on stack for future use - MOVO B0, state1Store - MOVO C0, state2Store + MOVO X3, 32(BP) + MOVO X6, 48(BP) // Load state, increment counter blocks - MOVO A0, A1; MOVO B0, B1; MOVO C0, C1; MOVO D0, D1; PADDL ·sseIncMask<>(SB), D1 - MOVO A1, A2; MOVO B1, B2; MOVO C1, C2; MOVO D1, D2; PADDL ·sseIncMask<>(SB), D2 - MOVO A2, A3; MOVO B2, B3; MOVO C2, C3; MOVO D2, D3; PADDL ·sseIncMask<>(SB), D3 + MOVO X0, X1 + MOVO X3, X4 + MOVO X6, X7 + MOVO X9, X10 + PADDL ·sseIncMask<>+0(SB), X10 + MOVO X1, X2 + MOVO X4, X5 + MOVO X7, X8 + MOVO X10, X11 + PADDL ·sseIncMask<>+0(SB), X11 + MOVO X2, X12 + MOVO X5, X13 + MOVO X8, X14 + MOVO X11, X15 + PADDL ·sseIncMask<>+0(SB), X15 // Store counters - MOVO D0, ctr0Store; MOVO D1, ctr1Store; MOVO D2, ctr2Store; MOVO D3, ctr3Store - MOVQ $10, itr2 + MOVO X9, 80(BP) + MOVO X10, 96(BP) + MOVO X11, 112(BP) + MOVO X15, 128(BP) + MOVQ $0x0000000a, R9 sealSSEIntroLoop: - MOVO C3, tmpStore - chachaQR(A0, B0, C0, D0, C3); chachaQR(A1, B1, C1, D1, C3); chachaQR(A2, B2, C2, D2, C3) - MOVO tmpStore, C3 - MOVO C1, tmpStore - chachaQR(A3, B3, C3, D3, C1) - MOVO tmpStore, C1 - shiftB0Left; shiftB1Left; shiftB2Left; shiftB3Left - shiftC0Left; shiftC1Left; shiftC2Left; shiftC3Left - shiftD0Left; shiftD1Left; shiftD2Left; shiftD3Left - - MOVO C3, tmpStore - chachaQR(A0, B0, C0, D0, C3); chachaQR(A1, B1, C1, D1, C3); chachaQR(A2, B2, C2, D2, C3) - MOVO tmpStore, C3 - MOVO C1, tmpStore - chachaQR(A3, B3, C3, D3, C1) - MOVO tmpStore, C1 - shiftB0Right; shiftB1Right; shiftB2Right; shiftB3Right - shiftC0Right; shiftC1Right; shiftC2Right; shiftC3Right - shiftD0Right; shiftD1Right; shiftD2Right; shiftD3Right - DECQ itr2 - JNE sealSSEIntroLoop + MOVO X14, 64(BP) + PADDD X3, X0 + PXOR X0, X9 + ROL16(X9, X14) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X14 + PSLLL $0x0c, X14 + PSRLL $0x14, X3 + PXOR X14, X3 + PADDD X3, X0 + PXOR X0, X9 + ROL8(X9, X14) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X14 + PSLLL $0x07, X14 + PSRLL $0x19, X3 + PXOR X14, X3 + PADDD X4, X1 + PXOR X1, X10 + ROL16(X10, X14) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X14 + PSLLL $0x0c, X14 + PSRLL $0x14, X4 + PXOR X14, X4 + PADDD X4, X1 + PXOR X1, X10 + ROL8(X10, X14) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X14 + PSLLL $0x07, X14 + PSRLL $0x19, X4 + PXOR X14, X4 + PADDD X5, X2 + PXOR X2, X11 + ROL16(X11, X14) + PADDD X11, X8 + PXOR X8, X5 + MOVO X5, X14 + PSLLL $0x0c, X14 + PSRLL $0x14, X5 + PXOR X14, X5 + PADDD X5, X2 + PXOR X2, X11 + ROL8(X11, X14) + PADDD X11, X8 + PXOR X8, X5 + MOVO X5, X14 + PSLLL $0x07, X14 + PSRLL $0x19, X5 + PXOR X14, X5 + MOVO 64(BP), X14 + MOVO X7, 64(BP) + PADDD X13, X12 + PXOR X12, X15 + ROL16(X15, X7) + PADDD X15, X14 + PXOR X14, X13 + MOVO X13, X7 + PSLLL $0x0c, X7 + PSRLL $0x14, X13 + PXOR X7, X13 + PADDD X13, X12 + PXOR X12, X15 + ROL8(X15, X7) + PADDD X15, X14 + PXOR X14, X13 + MOVO X13, X7 + PSLLL $0x07, X7 + PSRLL $0x19, X13 + PXOR X7, X13 + MOVO 64(BP), X7 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xe4 + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xed + BYTE $0x04 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xed + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xf6 + BYTE $0x08 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xff + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc0 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xf6 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc9 + BYTE $0x0c + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xd2 + BYTE $0x0c + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x0c + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xff + BYTE $0x0c + MOVO X14, 64(BP) + PADDD X3, X0 + PXOR X0, X9 + ROL16(X9, X14) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X14 + PSLLL $0x0c, X14 + PSRLL $0x14, X3 + PXOR X14, X3 + PADDD X3, X0 + PXOR X0, X9 + ROL8(X9, X14) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X14 + PSLLL $0x07, X14 + PSRLL $0x19, X3 + PXOR X14, X3 + PADDD X4, X1 + PXOR X1, X10 + ROL16(X10, X14) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X14 + PSLLL $0x0c, X14 + PSRLL $0x14, X4 + PXOR X14, X4 + PADDD X4, X1 + PXOR X1, X10 + ROL8(X10, X14) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X14 + PSLLL $0x07, X14 + PSRLL $0x19, X4 + PXOR X14, X4 + PADDD X5, X2 + PXOR X2, X11 + ROL16(X11, X14) + PADDD X11, X8 + PXOR X8, X5 + MOVO X5, X14 + PSLLL $0x0c, X14 + PSRLL $0x14, X5 + PXOR X14, X5 + PADDD X5, X2 + PXOR X2, X11 + ROL8(X11, X14) + PADDD X11, X8 + PXOR X8, X5 + MOVO X5, X14 + PSLLL $0x07, X14 + PSRLL $0x19, X5 + PXOR X14, X5 + MOVO 64(BP), X14 + MOVO X7, 64(BP) + PADDD X13, X12 + PXOR X12, X15 + ROL16(X15, X7) + PADDD X15, X14 + PXOR X14, X13 + MOVO X13, X7 + PSLLL $0x0c, X7 + PSRLL $0x14, X13 + PXOR X7, X13 + PADDD X13, X12 + PXOR X12, X15 + ROL8(X15, X7) + PADDD X15, X14 + PXOR X14, X13 + MOVO X13, X7 + PSLLL $0x07, X7 + PSRLL $0x19, X13 + PXOR X7, X13 + MOVO 64(BP), X7 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xe4 + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xed + BYTE $0x0c + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xed + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xf6 + BYTE $0x08 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xff + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc0 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xf6 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc9 + BYTE $0x04 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xd2 + BYTE $0x04 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x04 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xff + BYTE $0x04 + DECQ R9 + JNE sealSSEIntroLoop // Add in the state - PADDD ·chacha20Constants<>(SB), A0; PADDD ·chacha20Constants<>(SB), A1; PADDD ·chacha20Constants<>(SB), A2; PADDD ·chacha20Constants<>(SB), A3 - PADDD state1Store, B0; PADDD state1Store, B1; PADDD state1Store, B2; PADDD state1Store, B3 - PADDD state2Store, C1; PADDD state2Store, C2; PADDD state2Store, C3 - PADDD ctr1Store, D1; PADDD ctr2Store, D2; PADDD ctr3Store, D3 + PADDD ·chacha20Constants<>+0(SB), X0 + PADDD ·chacha20Constants<>+0(SB), X1 + PADDD ·chacha20Constants<>+0(SB), X2 + PADDD ·chacha20Constants<>+0(SB), X12 + PADDD 32(BP), X3 + PADDD 32(BP), X4 + PADDD 32(BP), X5 + PADDD 32(BP), X13 + PADDD 48(BP), X7 + PADDD 48(BP), X8 + PADDD 48(BP), X14 + PADDD 96(BP), X10 + PADDD 112(BP), X11 + PADDD 128(BP), X15 // Clamp and store the key - PAND ·polyClampMask<>(SB), A0 - MOVO A0, rStore - MOVO B0, sStore + PAND ·polyClampMask<>+0(SB), X0 + MOVO X0, (BP) + MOVO X3, 16(BP) // Hash AAD - MOVQ ad_len+80(FP), itr2 - CALL polyHashADInternal<>(SB) - - MOVOU (0*16)(inp), A0; MOVOU (1*16)(inp), B0; MOVOU (2*16)(inp), C0; MOVOU (3*16)(inp), D0 - PXOR A0, A1; PXOR B0, B1; PXOR C0, C1; PXOR D0, D1 - MOVOU A1, (0*16)(oup); MOVOU B1, (1*16)(oup); MOVOU C1, (2*16)(oup); MOVOU D1, (3*16)(oup) - MOVOU (4*16)(inp), A0; MOVOU (5*16)(inp), B0; MOVOU (6*16)(inp), C0; MOVOU (7*16)(inp), D0 - PXOR A0, A2; PXOR B0, B2; PXOR C0, C2; PXOR D0, D2 - MOVOU A2, (4*16)(oup); MOVOU B2, (5*16)(oup); MOVOU C2, (6*16)(oup); MOVOU D2, (7*16)(oup) - - MOVQ $128, itr1 - SUBQ $128, inl - LEAQ 128(inp), inp - - MOVO A3, A1; MOVO B3, B1; MOVO C3, C1; MOVO D3, D1 - - CMPQ inl, $64 - JBE sealSSE128SealHash - - MOVOU (0*16)(inp), A0; MOVOU (1*16)(inp), B0; MOVOU (2*16)(inp), C0; MOVOU (3*16)(inp), D0 - PXOR A0, A3; PXOR B0, B3; PXOR C0, C3; PXOR D0, D3 - MOVOU A3, (8*16)(oup); MOVOU B3, (9*16)(oup); MOVOU C3, (10*16)(oup); MOVOU D3, (11*16)(oup) - - ADDQ $64, itr1 - SUBQ $64, inl - LEAQ 64(inp), inp - - MOVQ $2, itr1 - MOVQ $8, itr2 - - CMPQ inl, $64 - JBE sealSSETail64 - CMPQ inl, $128 - JBE sealSSETail128 - CMPQ inl, $192 - JBE sealSSETail192 + MOVQ ad_len+80(FP), R9 + CALL polyHashADInternal<>(SB) + MOVOU (SI), X0 + MOVOU 16(SI), X3 + MOVOU 32(SI), X6 + MOVOU 48(SI), X9 + PXOR X0, X1 + PXOR X3, X4 + PXOR X6, X7 + PXOR X9, X10 + MOVOU X1, (DI) + MOVOU X4, 16(DI) + MOVOU X7, 32(DI) + MOVOU X10, 48(DI) + MOVOU 64(SI), X0 + MOVOU 80(SI), X3 + MOVOU 96(SI), X6 + MOVOU 112(SI), X9 + PXOR X0, X2 + PXOR X3, X5 + PXOR X6, X8 + PXOR X9, X11 + MOVOU X2, 64(DI) + MOVOU X5, 80(DI) + MOVOU X8, 96(DI) + MOVOU X11, 112(DI) + MOVQ $0x00000080, CX + SUBQ $0x80, BX + LEAQ 128(SI), SI + MOVO X12, X1 + MOVO X13, X4 + MOVO X14, X7 + MOVO X15, X10 + CMPQ BX, $0x40 + JBE sealSSE128SealHash + MOVOU (SI), X0 + MOVOU 16(SI), X3 + MOVOU 32(SI), X6 + MOVOU 48(SI), X9 + PXOR X0, X12 + PXOR X3, X13 + PXOR X6, X14 + PXOR X9, X15 + MOVOU X12, 128(DI) + MOVOU X13, 144(DI) + MOVOU X14, 160(DI) + MOVOU X15, 176(DI) + ADDQ $0x40, CX + SUBQ $0x40, BX + LEAQ 64(SI), SI + MOVQ $0x00000002, CX + MOVQ $0x00000008, R9 + CMPQ BX, $0x40 + JBE sealSSETail64 + CMPQ BX, $0x80 + JBE sealSSETail128 + CMPQ BX, $0xc0 + JBE sealSSETail192 sealSSEMainLoop: // Load state, increment counter blocks - MOVO ·chacha20Constants<>(SB), A0; MOVO state1Store, B0; MOVO state2Store, C0; MOVO ctr3Store, D0; PADDL ·sseIncMask<>(SB), D0 - MOVO A0, A1; MOVO B0, B1; MOVO C0, C1; MOVO D0, D1; PADDL ·sseIncMask<>(SB), D1 - MOVO A1, A2; MOVO B1, B2; MOVO C1, C2; MOVO D1, D2; PADDL ·sseIncMask<>(SB), D2 - MOVO A2, A3; MOVO B2, B3; MOVO C2, C3; MOVO D2, D3; PADDL ·sseIncMask<>(SB), D3 + MOVO ·chacha20Constants<>+0(SB), X0 + MOVO 32(BP), X3 + MOVO 48(BP), X6 + MOVO 128(BP), X9 + PADDL ·sseIncMask<>+0(SB), X9 + MOVO X0, X1 + MOVO X3, X4 + MOVO X6, X7 + MOVO X9, X10 + PADDL ·sseIncMask<>+0(SB), X10 + MOVO X1, X2 + MOVO X4, X5 + MOVO X7, X8 + MOVO X10, X11 + PADDL ·sseIncMask<>+0(SB), X11 + MOVO X2, X12 + MOVO X5, X13 + MOVO X8, X14 + MOVO X11, X15 + PADDL ·sseIncMask<>+0(SB), X15 // Store counters - MOVO D0, ctr0Store; MOVO D1, ctr1Store; MOVO D2, ctr2Store; MOVO D3, ctr3Store + MOVO X9, 80(BP) + MOVO X10, 96(BP) + MOVO X11, 112(BP) + MOVO X15, 128(BP) sealSSEInnerLoop: - MOVO C3, tmpStore - chachaQR(A0, B0, C0, D0, C3); chachaQR(A1, B1, C1, D1, C3); chachaQR(A2, B2, C2, D2, C3) - MOVO tmpStore, C3 - MOVO C1, tmpStore - chachaQR(A3, B3, C3, D3, C1) - MOVO tmpStore, C1 - polyAdd(0(oup)) - shiftB0Left; shiftB1Left; shiftB2Left; shiftB3Left - shiftC0Left; shiftC1Left; shiftC2Left; shiftC3Left - shiftD0Left; shiftD1Left; shiftD2Left; shiftD3Left - polyMulStage1 - polyMulStage2 - LEAQ (2*8)(oup), oup - MOVO C3, tmpStore - chachaQR(A0, B0, C0, D0, C3); chachaQR(A1, B1, C1, D1, C3); chachaQR(A2, B2, C2, D2, C3) - MOVO tmpStore, C3 - MOVO C1, tmpStore - polyMulStage3 - chachaQR(A3, B3, C3, D3, C1) - MOVO tmpStore, C1 - polyMulReduceStage - shiftB0Right; shiftB1Right; shiftB2Right; shiftB3Right - shiftC0Right; shiftC1Right; shiftC2Right; shiftC3Right - shiftD0Right; shiftD1Right; shiftD2Right; shiftD3Right - DECQ itr2 - JGE sealSSEInnerLoop - polyAdd(0(oup)) - polyMul - LEAQ (2*8)(oup), oup - DECQ itr1 - JG sealSSEInnerLoop + MOVO X14, 64(BP) + PADDD X3, X0 + PXOR X0, X9 + ROL16(X9, X14) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X14 + PSLLL $0x0c, X14 + PSRLL $0x14, X3 + PXOR X14, X3 + PADDD X3, X0 + PXOR X0, X9 + ROL8(X9, X14) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X14 + PSLLL $0x07, X14 + PSRLL $0x19, X3 + PXOR X14, X3 + PADDD X4, X1 + PXOR X1, X10 + ROL16(X10, X14) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X14 + PSLLL $0x0c, X14 + PSRLL $0x14, X4 + PXOR X14, X4 + PADDD X4, X1 + PXOR X1, X10 + ROL8(X10, X14) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X14 + PSLLL $0x07, X14 + PSRLL $0x19, X4 + PXOR X14, X4 + PADDD X5, X2 + PXOR X2, X11 + ROL16(X11, X14) + PADDD X11, X8 + PXOR X8, X5 + MOVO X5, X14 + PSLLL $0x0c, X14 + PSRLL $0x14, X5 + PXOR X14, X5 + PADDD X5, X2 + PXOR X2, X11 + ROL8(X11, X14) + PADDD X11, X8 + PXOR X8, X5 + MOVO X5, X14 + PSLLL $0x07, X14 + PSRLL $0x19, X5 + PXOR X14, X5 + MOVO 64(BP), X14 + MOVO X7, 64(BP) + PADDD X13, X12 + PXOR X12, X15 + ROL16(X15, X7) + PADDD X15, X14 + PXOR X14, X13 + MOVO X13, X7 + PSLLL $0x0c, X7 + PSRLL $0x14, X13 + PXOR X7, X13 + PADDD X13, X12 + PXOR X12, X15 + ROL8(X15, X7) + PADDD X15, X14 + PXOR X14, X13 + MOVO X13, X7 + PSLLL $0x07, X7 + PSRLL $0x19, X13 + PXOR X7, X13 + MOVO 64(BP), X7 + ADDQ (DI), R10 + ADCQ 8(DI), R11 + ADCQ $0x01, R12 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xe4 + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xed + BYTE $0x04 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xed + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xf6 + BYTE $0x08 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xff + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc0 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xf6 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc9 + BYTE $0x0c + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xd2 + BYTE $0x0c + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x0c + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xff + BYTE $0x0c + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + LEAQ 16(DI), DI + MOVO X14, 64(BP) + PADDD X3, X0 + PXOR X0, X9 + ROL16(X9, X14) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X14 + PSLLL $0x0c, X14 + PSRLL $0x14, X3 + PXOR X14, X3 + PADDD X3, X0 + PXOR X0, X9 + ROL8(X9, X14) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X14 + PSLLL $0x07, X14 + PSRLL $0x19, X3 + PXOR X14, X3 + PADDD X4, X1 + PXOR X1, X10 + ROL16(X10, X14) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X14 + PSLLL $0x0c, X14 + PSRLL $0x14, X4 + PXOR X14, X4 + PADDD X4, X1 + PXOR X1, X10 + ROL8(X10, X14) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X14 + PSLLL $0x07, X14 + PSRLL $0x19, X4 + PXOR X14, X4 + PADDD X5, X2 + PXOR X2, X11 + ROL16(X11, X14) + PADDD X11, X8 + PXOR X8, X5 + MOVO X5, X14 + PSLLL $0x0c, X14 + PSRLL $0x14, X5 + PXOR X14, X5 + PADDD X5, X2 + PXOR X2, X11 + ROL8(X11, X14) + PADDD X11, X8 + PXOR X8, X5 + MOVO X5, X14 + PSLLL $0x07, X14 + PSRLL $0x19, X5 + PXOR X14, X5 + MOVO 64(BP), X14 + MOVO X7, 64(BP) + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + PADDD X13, X12 + PXOR X12, X15 + ROL16(X15, X7) + PADDD X15, X14 + PXOR X14, X13 + MOVO X13, X7 + PSLLL $0x0c, X7 + PSRLL $0x14, X13 + PXOR X7, X13 + PADDD X13, X12 + PXOR X12, X15 + ROL8(X15, X7) + PADDD X15, X14 + PXOR X14, X13 + MOVO X13, X7 + PSLLL $0x07, X7 + PSRLL $0x19, X13 + PXOR X7, X13 + MOVO 64(BP), X7 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xe4 + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xed + BYTE $0x0c + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xed + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xf6 + BYTE $0x08 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xff + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc0 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xf6 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc9 + BYTE $0x04 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xd2 + BYTE $0x04 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x04 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xff + BYTE $0x04 + DECQ R9 + JGE sealSSEInnerLoop + ADDQ (DI), R10 + ADCQ 8(DI), R11 + ADCQ $0x01, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + LEAQ 16(DI), DI + DECQ CX + JG sealSSEInnerLoop // Add in the state - PADDD ·chacha20Constants<>(SB), A0; PADDD ·chacha20Constants<>(SB), A1; PADDD ·chacha20Constants<>(SB), A2; PADDD ·chacha20Constants<>(SB), A3 - PADDD state1Store, B0; PADDD state1Store, B1; PADDD state1Store, B2; PADDD state1Store, B3 - PADDD state2Store, C0; PADDD state2Store, C1; PADDD state2Store, C2; PADDD state2Store, C3 - PADDD ctr0Store, D0; PADDD ctr1Store, D1; PADDD ctr2Store, D2; PADDD ctr3Store, D3 - MOVO D3, tmpStore + PADDD ·chacha20Constants<>+0(SB), X0 + PADDD ·chacha20Constants<>+0(SB), X1 + PADDD ·chacha20Constants<>+0(SB), X2 + PADDD ·chacha20Constants<>+0(SB), X12 + PADDD 32(BP), X3 + PADDD 32(BP), X4 + PADDD 32(BP), X5 + PADDD 32(BP), X13 + PADDD 48(BP), X6 + PADDD 48(BP), X7 + PADDD 48(BP), X8 + PADDD 48(BP), X14 + PADDD 80(BP), X9 + PADDD 96(BP), X10 + PADDD 112(BP), X11 + PADDD 128(BP), X15 + MOVO X15, 64(BP) // Load - xor - store - MOVOU (0*16)(inp), D3; PXOR D3, A0 - MOVOU (1*16)(inp), D3; PXOR D3, B0 - MOVOU (2*16)(inp), D3; PXOR D3, C0 - MOVOU (3*16)(inp), D3; PXOR D3, D0 - MOVOU A0, (0*16)(oup) - MOVOU B0, (1*16)(oup) - MOVOU C0, (2*16)(oup) - MOVOU D0, (3*16)(oup) - MOVO tmpStore, D3 - - MOVOU (4*16)(inp), A0; MOVOU (5*16)(inp), B0; MOVOU (6*16)(inp), C0; MOVOU (7*16)(inp), D0 - PXOR A0, A1; PXOR B0, B1; PXOR C0, C1; PXOR D0, D1 - MOVOU A1, (4*16)(oup); MOVOU B1, (5*16)(oup); MOVOU C1, (6*16)(oup); MOVOU D1, (7*16)(oup) - MOVOU (8*16)(inp), A0; MOVOU (9*16)(inp), B0; MOVOU (10*16)(inp), C0; MOVOU (11*16)(inp), D0 - PXOR A0, A2; PXOR B0, B2; PXOR C0, C2; PXOR D0, D2 - MOVOU A2, (8*16)(oup); MOVOU B2, (9*16)(oup); MOVOU C2, (10*16)(oup); MOVOU D2, (11*16)(oup) - ADDQ $192, inp - MOVQ $192, itr1 - SUBQ $192, inl - MOVO A3, A1 - MOVO B3, B1 - MOVO C3, C1 - MOVO D3, D1 - CMPQ inl, $64 + MOVOU (SI), X15 + PXOR X15, X0 + MOVOU 16(SI), X15 + PXOR X15, X3 + MOVOU 32(SI), X15 + PXOR X15, X6 + MOVOU 48(SI), X15 + PXOR X15, X9 + MOVOU X0, (DI) + MOVOU X3, 16(DI) + MOVOU X6, 32(DI) + MOVOU X9, 48(DI) + MOVO 64(BP), X15 + MOVOU 64(SI), X0 + MOVOU 80(SI), X3 + MOVOU 96(SI), X6 + MOVOU 112(SI), X9 + PXOR X0, X1 + PXOR X3, X4 + PXOR X6, X7 + PXOR X9, X10 + MOVOU X1, 64(DI) + MOVOU X4, 80(DI) + MOVOU X7, 96(DI) + MOVOU X10, 112(DI) + MOVOU 128(SI), X0 + MOVOU 144(SI), X3 + MOVOU 160(SI), X6 + MOVOU 176(SI), X9 + PXOR X0, X2 + PXOR X3, X5 + PXOR X6, X8 + PXOR X9, X11 + MOVOU X2, 128(DI) + MOVOU X5, 144(DI) + MOVOU X8, 160(DI) + MOVOU X11, 176(DI) + ADDQ $0xc0, SI + MOVQ $0x000000c0, CX + SUBQ $0xc0, BX + MOVO X12, X1 + MOVO X13, X4 + MOVO X14, X7 + MOVO X15, X10 + CMPQ BX, $0x40 JBE sealSSE128SealHash - MOVOU (0*16)(inp), A0; MOVOU (1*16)(inp), B0; MOVOU (2*16)(inp), C0; MOVOU (3*16)(inp), D0 - PXOR A0, A3; PXOR B0, B3; PXOR C0, C3; PXOR D0, D3 - MOVOU A3, (12*16)(oup); MOVOU B3, (13*16)(oup); MOVOU C3, (14*16)(oup); MOVOU D3, (15*16)(oup) - LEAQ 64(inp), inp - SUBQ $64, inl - MOVQ $6, itr1 - MOVQ $4, itr2 - CMPQ inl, $192 + MOVOU (SI), X0 + MOVOU 16(SI), X3 + MOVOU 32(SI), X6 + MOVOU 48(SI), X9 + PXOR X0, X12 + PXOR X3, X13 + PXOR X6, X14 + PXOR X9, X15 + MOVOU X12, 192(DI) + MOVOU X13, 208(DI) + MOVOU X14, 224(DI) + MOVOU X15, 240(DI) + LEAQ 64(SI), SI + SUBQ $0x40, BX + MOVQ $0x00000006, CX + MOVQ $0x00000004, R9 + CMPQ BX, $0xc0 JG sealSSEMainLoop - - MOVQ inl, itr1 - TESTQ inl, inl + MOVQ BX, CX + TESTQ BX, BX JE sealSSE128SealHash - MOVQ $6, itr1 - CMPQ inl, $64 + MOVQ $0x00000006, CX + CMPQ BX, $0x40 JBE sealSSETail64 - CMPQ inl, $128 + CMPQ BX, $0x80 JBE sealSSETail128 JMP sealSSETail192 -// ---------------------------------------------------------------------------- -// Special optimization for the last 64 bytes of plaintext sealSSETail64: - // Need to encrypt up to 64 bytes - prepare single block, hash 192 or 256 bytes - MOVO ·chacha20Constants<>(SB), A1 - MOVO state1Store, B1 - MOVO state2Store, C1 - MOVO ctr3Store, D1 - PADDL ·sseIncMask<>(SB), D1 - MOVO D1, ctr0Store + MOVO ·chacha20Constants<>+0(SB), X1 + MOVO 32(BP), X4 + MOVO 48(BP), X7 + MOVO 128(BP), X10 + PADDL ·sseIncMask<>+0(SB), X10 + MOVO X10, 80(BP) sealSSETail64LoopA: - // Perform ChaCha rounds, while hashing the previously encrypted ciphertext - polyAdd(0(oup)) - polyMul - LEAQ 16(oup), oup + ADDQ (DI), R10 + ADCQ 8(DI), R11 + ADCQ $0x01, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + LEAQ 16(DI), DI sealSSETail64LoopB: - chachaQR(A1, B1, C1, D1, T1) - shiftB1Left; shiftC1Left; shiftD1Left - chachaQR(A1, B1, C1, D1, T1) - shiftB1Right; shiftC1Right; shiftD1Right - polyAdd(0(oup)) - polyMul - LEAQ 16(oup), oup - - DECQ itr1 - JG sealSSETail64LoopA - - DECQ itr2 + PADDD X4, X1 + PXOR X1, X10 + ROL16(X10, X13) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X13 + PSLLL $0x0c, X13 + PSRLL $0x14, X4 + PXOR X13, X4 + PADDD X4, X1 + PXOR X1, X10 + ROL8(X10, X13) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X13 + PSLLL $0x07, X13 + PSRLL $0x19, X4 + PXOR X13, X4 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xe4 + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xff + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xd2 + BYTE $0x0c + PADDD X4, X1 + PXOR X1, X10 + ROL16(X10, X13) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X13 + PSLLL $0x0c, X13 + PSRLL $0x14, X4 + PXOR X13, X4 + PADDD X4, X1 + PXOR X1, X10 + ROL8(X10, X13) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X13 + PSLLL $0x07, X13 + PSRLL $0x19, X4 + PXOR X13, X4 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xe4 + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xff + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xd2 + BYTE $0x04 + ADDQ (DI), R10 + ADCQ 8(DI), R11 + ADCQ $0x01, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + LEAQ 16(DI), DI + DECQ CX + JG sealSSETail64LoopA + DECQ R9 JGE sealSSETail64LoopB - PADDL ·chacha20Constants<>(SB), A1 - PADDL state1Store, B1 - PADDL state2Store, C1 - PADDL ctr0Store, D1 + PADDL ·chacha20Constants<>+0(SB), X1 + PADDL 32(BP), X4 + PADDL 48(BP), X7 + PADDL 80(BP), X10 + JMP sealSSE128Seal - JMP sealSSE128Seal - -// ---------------------------------------------------------------------------- -// Special optimization for the last 128 bytes of plaintext sealSSETail128: - // Need to encrypt up to 128 bytes - prepare two blocks, hash 192 or 256 bytes - MOVO ·chacha20Constants<>(SB), A0; MOVO state1Store, B0; MOVO state2Store, C0; MOVO ctr3Store, D0; PADDL ·sseIncMask<>(SB), D0; MOVO D0, ctr0Store - MOVO A0, A1; MOVO B0, B1; MOVO C0, C1; MOVO D0, D1; PADDL ·sseIncMask<>(SB), D1; MOVO D1, ctr1Store + MOVO ·chacha20Constants<>+0(SB), X0 + MOVO 32(BP), X3 + MOVO 48(BP), X6 + MOVO 128(BP), X9 + PADDL ·sseIncMask<>+0(SB), X9 + MOVO X9, 80(BP) + MOVO X0, X1 + MOVO X3, X4 + MOVO X6, X7 + MOVO X9, X10 + PADDL ·sseIncMask<>+0(SB), X10 + MOVO X10, 96(BP) sealSSETail128LoopA: - // Perform ChaCha rounds, while hashing the previously encrypted ciphertext - polyAdd(0(oup)) - polyMul - LEAQ 16(oup), oup + ADDQ (DI), R10 + ADCQ 8(DI), R11 + ADCQ $0x01, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + LEAQ 16(DI), DI sealSSETail128LoopB: - chachaQR(A0, B0, C0, D0, T0); chachaQR(A1, B1, C1, D1, T0) - shiftB0Left; shiftC0Left; shiftD0Left - shiftB1Left; shiftC1Left; shiftD1Left - polyAdd(0(oup)) - polyMul - LEAQ 16(oup), oup - chachaQR(A0, B0, C0, D0, T0); chachaQR(A1, B1, C1, D1, T0) - shiftB0Right; shiftC0Right; shiftD0Right - shiftB1Right; shiftC1Right; shiftD1Right - - DECQ itr1 - JG sealSSETail128LoopA - - DECQ itr2 - JGE sealSSETail128LoopB - - PADDL ·chacha20Constants<>(SB), A0; PADDL ·chacha20Constants<>(SB), A1 - PADDL state1Store, B0; PADDL state1Store, B1 - PADDL state2Store, C0; PADDL state2Store, C1 - PADDL ctr0Store, D0; PADDL ctr1Store, D1 - - MOVOU (0*16)(inp), T0; MOVOU (1*16)(inp), T1; MOVOU (2*16)(inp), T2; MOVOU (3*16)(inp), T3 - PXOR T0, A0; PXOR T1, B0; PXOR T2, C0; PXOR T3, D0 - MOVOU A0, (0*16)(oup); MOVOU B0, (1*16)(oup); MOVOU C0, (2*16)(oup); MOVOU D0, (3*16)(oup) - - MOVQ $64, itr1 - LEAQ 64(inp), inp - SUBQ $64, inl - - JMP sealSSE128SealHash - -// ---------------------------------------------------------------------------- -// Special optimization for the last 192 bytes of plaintext + PADDD X3, X0 + PXOR X0, X9 + ROL16(X9, X12) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X3 + PXOR X12, X3 + PADDD X3, X0 + PXOR X0, X9 + ROL8(X9, X12) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X3 + PXOR X12, X3 + PADDD X4, X1 + PXOR X1, X10 + ROL16(X10, X12) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X4 + PXOR X12, X4 + PADDD X4, X1 + PXOR X1, X10 + ROL8(X10, X12) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X4 + PXOR X12, X4 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xf6 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc9 + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xe4 + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xff + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xd2 + BYTE $0x0c + ADDQ (DI), R10 + ADCQ 8(DI), R11 + ADCQ $0x01, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + LEAQ 16(DI), DI + PADDD X3, X0 + PXOR X0, X9 + ROL16(X9, X12) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X3 + PXOR X12, X3 + PADDD X3, X0 + PXOR X0, X9 + ROL8(X9, X12) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X3 + PXOR X12, X3 + PADDD X4, X1 + PXOR X1, X10 + ROL16(X10, X12) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X4 + PXOR X12, X4 + PADDD X4, X1 + PXOR X1, X10 + ROL8(X10, X12) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X4 + PXOR X12, X4 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xf6 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc9 + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xe4 + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xff + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xd2 + BYTE $0x04 + DECQ CX + JG sealSSETail128LoopA + DECQ R9 + JGE sealSSETail128LoopB + PADDL ·chacha20Constants<>+0(SB), X0 + PADDL ·chacha20Constants<>+0(SB), X1 + PADDL 32(BP), X3 + PADDL 32(BP), X4 + PADDL 48(BP), X6 + PADDL 48(BP), X7 + PADDL 80(BP), X9 + PADDL 96(BP), X10 + MOVOU (SI), X12 + MOVOU 16(SI), X13 + MOVOU 32(SI), X14 + MOVOU 48(SI), X15 + PXOR X12, X0 + PXOR X13, X3 + PXOR X14, X6 + PXOR X15, X9 + MOVOU X0, (DI) + MOVOU X3, 16(DI) + MOVOU X6, 32(DI) + MOVOU X9, 48(DI) + MOVQ $0x00000040, CX + LEAQ 64(SI), SI + SUBQ $0x40, BX + JMP sealSSE128SealHash + sealSSETail192: - // Need to encrypt up to 192 bytes - prepare three blocks, hash 192 or 256 bytes - MOVO ·chacha20Constants<>(SB), A0; MOVO state1Store, B0; MOVO state2Store, C0; MOVO ctr3Store, D0; PADDL ·sseIncMask<>(SB), D0; MOVO D0, ctr0Store - MOVO A0, A1; MOVO B0, B1; MOVO C0, C1; MOVO D0, D1; PADDL ·sseIncMask<>(SB), D1; MOVO D1, ctr1Store - MOVO A1, A2; MOVO B1, B2; MOVO C1, C2; MOVO D1, D2; PADDL ·sseIncMask<>(SB), D2; MOVO D2, ctr2Store + MOVO ·chacha20Constants<>+0(SB), X0 + MOVO 32(BP), X3 + MOVO 48(BP), X6 + MOVO 128(BP), X9 + PADDL ·sseIncMask<>+0(SB), X9 + MOVO X9, 80(BP) + MOVO X0, X1 + MOVO X3, X4 + MOVO X6, X7 + MOVO X9, X10 + PADDL ·sseIncMask<>+0(SB), X10 + MOVO X10, 96(BP) + MOVO X1, X2 + MOVO X4, X5 + MOVO X7, X8 + MOVO X10, X11 + PADDL ·sseIncMask<>+0(SB), X11 + MOVO X11, 112(BP) sealSSETail192LoopA: - // Perform ChaCha rounds, while hashing the previously encrypted ciphertext - polyAdd(0(oup)) - polyMul - LEAQ 16(oup), oup + ADDQ (DI), R10 + ADCQ 8(DI), R11 + ADCQ $0x01, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + LEAQ 16(DI), DI sealSSETail192LoopB: - chachaQR(A0, B0, C0, D0, T0); chachaQR(A1, B1, C1, D1, T0); chachaQR(A2, B2, C2, D2, T0) - shiftB0Left; shiftC0Left; shiftD0Left - shiftB1Left; shiftC1Left; shiftD1Left - shiftB2Left; shiftC2Left; shiftD2Left - - polyAdd(0(oup)) - polyMul - LEAQ 16(oup), oup - - chachaQR(A0, B0, C0, D0, T0); chachaQR(A1, B1, C1, D1, T0); chachaQR(A2, B2, C2, D2, T0) - shiftB0Right; shiftC0Right; shiftD0Right - shiftB1Right; shiftC1Right; shiftD1Right - shiftB2Right; shiftC2Right; shiftD2Right - - DECQ itr1 - JG sealSSETail192LoopA - - DECQ itr2 - JGE sealSSETail192LoopB - - PADDL ·chacha20Constants<>(SB), A0; PADDL ·chacha20Constants<>(SB), A1; PADDL ·chacha20Constants<>(SB), A2 - PADDL state1Store, B0; PADDL state1Store, B1; PADDL state1Store, B2 - PADDL state2Store, C0; PADDL state2Store, C1; PADDL state2Store, C2 - PADDL ctr0Store, D0; PADDL ctr1Store, D1; PADDL ctr2Store, D2 - - MOVOU (0*16)(inp), T0; MOVOU (1*16)(inp), T1; MOVOU (2*16)(inp), T2; MOVOU (3*16)(inp), T3 - PXOR T0, A0; PXOR T1, B0; PXOR T2, C0; PXOR T3, D0 - MOVOU A0, (0*16)(oup); MOVOU B0, (1*16)(oup); MOVOU C0, (2*16)(oup); MOVOU D0, (3*16)(oup) - MOVOU (4*16)(inp), T0; MOVOU (5*16)(inp), T1; MOVOU (6*16)(inp), T2; MOVOU (7*16)(inp), T3 - PXOR T0, A1; PXOR T1, B1; PXOR T2, C1; PXOR T3, D1 - MOVOU A1, (4*16)(oup); MOVOU B1, (5*16)(oup); MOVOU C1, (6*16)(oup); MOVOU D1, (7*16)(oup) - - MOVO A2, A1 - MOVO B2, B1 - MOVO C2, C1 - MOVO D2, D1 - MOVQ $128, itr1 - LEAQ 128(inp), inp - SUBQ $128, inl - - JMP sealSSE128SealHash - -// ---------------------------------------------------------------------------- -// Special seal optimization for buffers smaller than 129 bytes + PADDD X3, X0 + PXOR X0, X9 + ROL16(X9, X12) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X3 + PXOR X12, X3 + PADDD X3, X0 + PXOR X0, X9 + ROL8(X9, X12) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X3 + PXOR X12, X3 + PADDD X4, X1 + PXOR X1, X10 + ROL16(X10, X12) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X4 + PXOR X12, X4 + PADDD X4, X1 + PXOR X1, X10 + ROL8(X10, X12) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X4 + PXOR X12, X4 + PADDD X5, X2 + PXOR X2, X11 + ROL16(X11, X12) + PADDD X11, X8 + PXOR X8, X5 + MOVO X5, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X5 + PXOR X12, X5 + PADDD X5, X2 + PXOR X2, X11 + ROL8(X11, X12) + PADDD X11, X8 + PXOR X8, X5 + MOVO X5, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X5 + PXOR X12, X5 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xf6 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc9 + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xe4 + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xff + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xd2 + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xed + BYTE $0x04 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc0 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x0c + ADDQ (DI), R10 + ADCQ 8(DI), R11 + ADCQ $0x01, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + LEAQ 16(DI), DI + PADDD X3, X0 + PXOR X0, X9 + ROL16(X9, X12) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X3 + PXOR X12, X3 + PADDD X3, X0 + PXOR X0, X9 + ROL8(X9, X12) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X3 + PXOR X12, X3 + PADDD X4, X1 + PXOR X1, X10 + ROL16(X10, X12) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X4 + PXOR X12, X4 + PADDD X4, X1 + PXOR X1, X10 + ROL8(X10, X12) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X4 + PXOR X12, X4 + PADDD X5, X2 + PXOR X2, X11 + ROL16(X11, X12) + PADDD X11, X8 + PXOR X8, X5 + MOVO X5, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X5 + PXOR X12, X5 + PADDD X5, X2 + PXOR X2, X11 + ROL8(X11, X12) + PADDD X11, X8 + PXOR X8, X5 + MOVO X5, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X5 + PXOR X12, X5 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xf6 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc9 + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xe4 + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xff + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xd2 + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xed + BYTE $0x0c + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc0 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x04 + DECQ CX + JG sealSSETail192LoopA + DECQ R9 + JGE sealSSETail192LoopB + PADDL ·chacha20Constants<>+0(SB), X0 + PADDL ·chacha20Constants<>+0(SB), X1 + PADDL ·chacha20Constants<>+0(SB), X2 + PADDL 32(BP), X3 + PADDL 32(BP), X4 + PADDL 32(BP), X5 + PADDL 48(BP), X6 + PADDL 48(BP), X7 + PADDL 48(BP), X8 + PADDL 80(BP), X9 + PADDL 96(BP), X10 + PADDL 112(BP), X11 + MOVOU (SI), X12 + MOVOU 16(SI), X13 + MOVOU 32(SI), X14 + MOVOU 48(SI), X15 + PXOR X12, X0 + PXOR X13, X3 + PXOR X14, X6 + PXOR X15, X9 + MOVOU X0, (DI) + MOVOU X3, 16(DI) + MOVOU X6, 32(DI) + MOVOU X9, 48(DI) + MOVOU 64(SI), X12 + MOVOU 80(SI), X13 + MOVOU 96(SI), X14 + MOVOU 112(SI), X15 + PXOR X12, X1 + PXOR X13, X4 + PXOR X14, X7 + PXOR X15, X10 + MOVOU X1, 64(DI) + MOVOU X4, 80(DI) + MOVOU X7, 96(DI) + MOVOU X10, 112(DI) + MOVO X2, X1 + MOVO X5, X4 + MOVO X8, X7 + MOVO X11, X10 + MOVQ $0x00000080, CX + LEAQ 128(SI), SI + SUBQ $0x80, BX + JMP sealSSE128SealHash + sealSSE128: - // For up to 128 bytes of ciphertext and 64 bytes for the poly key, we require to process three blocks - MOVOU ·chacha20Constants<>(SB), A0; MOVOU (1*16)(keyp), B0; MOVOU (2*16)(keyp), C0; MOVOU (3*16)(keyp), D0 - MOVO A0, A1; MOVO B0, B1; MOVO C0, C1; MOVO D0, D1; PADDL ·sseIncMask<>(SB), D1 - MOVO A1, A2; MOVO B1, B2; MOVO C1, C2; MOVO D1, D2; PADDL ·sseIncMask<>(SB), D2 - MOVO B0, T1; MOVO C0, T2; MOVO D1, T3 - MOVQ $10, itr2 + MOVOU ·chacha20Constants<>+0(SB), X0 + MOVOU 16(R8), X3 + MOVOU 32(R8), X6 + MOVOU 48(R8), X9 + MOVO X0, X1 + MOVO X3, X4 + MOVO X6, X7 + MOVO X9, X10 + PADDL ·sseIncMask<>+0(SB), X10 + MOVO X1, X2 + MOVO X4, X5 + MOVO X7, X8 + MOVO X10, X11 + PADDL ·sseIncMask<>+0(SB), X11 + MOVO X3, X13 + MOVO X6, X14 + MOVO X10, X15 + MOVQ $0x0000000a, R9 sealSSE128InnerCipherLoop: - chachaQR(A0, B0, C0, D0, T0); chachaQR(A1, B1, C1, D1, T0); chachaQR(A2, B2, C2, D2, T0) - shiftB0Left; shiftB1Left; shiftB2Left - shiftC0Left; shiftC1Left; shiftC2Left - shiftD0Left; shiftD1Left; shiftD2Left - chachaQR(A0, B0, C0, D0, T0); chachaQR(A1, B1, C1, D1, T0); chachaQR(A2, B2, C2, D2, T0) - shiftB0Right; shiftB1Right; shiftB2Right - shiftC0Right; shiftC1Right; shiftC2Right - shiftD0Right; shiftD1Right; shiftD2Right - DECQ itr2 - JNE sealSSE128InnerCipherLoop + PADDD X3, X0 + PXOR X0, X9 + ROL16(X9, X12) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X3 + PXOR X12, X3 + PADDD X3, X0 + PXOR X0, X9 + ROL8(X9, X12) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X3 + PXOR X12, X3 + PADDD X4, X1 + PXOR X1, X10 + ROL16(X10, X12) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X4 + PXOR X12, X4 + PADDD X4, X1 + PXOR X1, X10 + ROL8(X10, X12) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X4 + PXOR X12, X4 + PADDD X5, X2 + PXOR X2, X11 + ROL16(X11, X12) + PADDD X11, X8 + PXOR X8, X5 + MOVO X5, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X5 + PXOR X12, X5 + PADDD X5, X2 + PXOR X2, X11 + ROL8(X11, X12) + PADDD X11, X8 + PXOR X8, X5 + MOVO X5, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X5 + PXOR X12, X5 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xe4 + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xed + BYTE $0x04 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xf6 + BYTE $0x08 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xff + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc0 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc9 + BYTE $0x0c + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xd2 + BYTE $0x0c + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x0c + PADDD X3, X0 + PXOR X0, X9 + ROL16(X9, X12) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X3 + PXOR X12, X3 + PADDD X3, X0 + PXOR X0, X9 + ROL8(X9, X12) + PADDD X9, X6 + PXOR X6, X3 + MOVO X3, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X3 + PXOR X12, X3 + PADDD X4, X1 + PXOR X1, X10 + ROL16(X10, X12) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X4 + PXOR X12, X4 + PADDD X4, X1 + PXOR X1, X10 + ROL8(X10, X12) + PADDD X10, X7 + PXOR X7, X4 + MOVO X4, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X4 + PXOR X12, X4 + PADDD X5, X2 + PXOR X2, X11 + ROL16(X11, X12) + PADDD X11, X8 + PXOR X8, X5 + MOVO X5, X12 + PSLLL $0x0c, X12 + PSRLL $0x14, X5 + PXOR X12, X5 + PADDD X5, X2 + PXOR X2, X11 + ROL8(X11, X12) + PADDD X11, X8 + PXOR X8, X5 + MOVO X5, X12 + PSLLL $0x07, X12 + PSRLL $0x19, X5 + PXOR X12, X5 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xe4 + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xed + BYTE $0x0c + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xf6 + BYTE $0x08 + BYTE $0x66 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xff + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc0 + BYTE $0x08 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xc9 + BYTE $0x04 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xd2 + BYTE $0x04 + BYTE $0x66 + BYTE $0x45 + BYTE $0x0f + BYTE $0x3a + BYTE $0x0f + BYTE $0xdb + BYTE $0x04 + DECQ R9 + JNE sealSSE128InnerCipherLoop // A0|B0 hold the Poly1305 32-byte key, C0,D0 can be discarded - PADDL ·chacha20Constants<>(SB), A0; PADDL ·chacha20Constants<>(SB), A1; PADDL ·chacha20Constants<>(SB), A2 - PADDL T1, B0; PADDL T1, B1; PADDL T1, B2 - PADDL T2, C1; PADDL T2, C2 - PADDL T3, D1; PADDL ·sseIncMask<>(SB), T3; PADDL T3, D2 - PAND ·polyClampMask<>(SB), A0 - MOVOU A0, rStore - MOVOU B0, sStore + PADDL ·chacha20Constants<>+0(SB), X0 + PADDL ·chacha20Constants<>+0(SB), X1 + PADDL ·chacha20Constants<>+0(SB), X2 + PADDL X13, X3 + PADDL X13, X4 + PADDL X13, X5 + PADDL X14, X7 + PADDL X14, X8 + PADDL X15, X10 + PADDL ·sseIncMask<>+0(SB), X15 + PADDL X15, X11 + PAND ·polyClampMask<>+0(SB), X0 + MOVOU X0, (BP) + MOVOU X3, 16(BP) // Hash - MOVQ ad_len+80(FP), itr2 + MOVQ ad_len+80(FP), R9 CALL polyHashADInternal<>(SB) - XORQ itr1, itr1 + XORQ CX, CX sealSSE128SealHash: - // itr1 holds the number of bytes encrypted but not yet hashed - CMPQ itr1, $16 - JB sealSSE128Seal - polyAdd(0(oup)) - polyMul - - SUBQ $16, itr1 - ADDQ $16, oup - - JMP sealSSE128SealHash + CMPQ CX, $0x10 + JB sealSSE128Seal + ADDQ (DI), R10 + ADCQ 8(DI), R11 + ADCQ $0x01, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + SUBQ $0x10, CX + ADDQ $0x10, DI + JMP sealSSE128SealHash sealSSE128Seal: - CMPQ inl, $16 + CMPQ BX, $0x10 JB sealSSETail - SUBQ $16, inl + SUBQ $0x10, BX // Load for decryption - MOVOU (inp), T0 - PXOR T0, A1 - MOVOU A1, (oup) - LEAQ (1*16)(inp), inp - LEAQ (1*16)(oup), oup + MOVOU (SI), X12 + PXOR X12, X1 + MOVOU X1, (DI) + LEAQ 16(SI), SI + LEAQ 16(DI), DI // Extract for hashing - MOVQ A1, t0 - PSRLDQ $8, A1 - MOVQ A1, t1 - ADDQ t0, acc0; ADCQ t1, acc1; ADCQ $1, acc2 - polyMul + MOVQ X1, R13 + PSRLDQ $0x08, X1 + MOVQ X1, R14 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x01, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 // Shift the stream "left" - MOVO B1, A1 - MOVO C1, B1 - MOVO D1, C1 - MOVO A2, D1 - MOVO B2, A2 - MOVO C2, B2 - MOVO D2, C2 + MOVO X4, X1 + MOVO X7, X4 + MOVO X10, X7 + MOVO X2, X10 + MOVO X5, X2 + MOVO X8, X5 + MOVO X11, X8 JMP sealSSE128Seal sealSSETail: - TESTQ inl, inl + TESTQ BX, BX JE sealSSEFinalize // We can only load the PT one byte at a time to avoid read after end of buffer - MOVQ inl, itr2 - SHLQ $4, itr2 - LEAQ ·andMask<>(SB), t0 - MOVQ inl, itr1 - LEAQ -1(inp)(inl*1), inp - XORQ t2, t2 - XORQ t3, t3 + MOVQ BX, R9 + SHLQ $0x04, R9 + LEAQ ·andMask<>+0(SB), R13 + MOVQ BX, CX + LEAQ -1(SI)(BX*1), SI + XORQ R15, R15 + XORQ R8, R8 XORQ AX, AX sealSSETailLoadLoop: - SHLQ $8, t2, t3 - SHLQ $8, t2 - MOVB (inp), AX - XORQ AX, t2 - LEAQ -1(inp), inp - DECQ itr1 + SHLQ $0x08, R15, R8 + SHLQ $0x08, R15 + MOVB (SI), AX + XORQ AX, R15 + LEAQ -1(SI), SI + DECQ CX JNE sealSSETailLoadLoop - MOVQ t2, 0+tmpStore - MOVQ t3, 8+tmpStore - PXOR 0+tmpStore, A1 - MOVOU A1, (oup) - MOVOU -16(t0)(itr2*1), T0 - PAND T0, A1 - MOVQ A1, t0 - PSRLDQ $8, A1 - MOVQ A1, t1 - ADDQ t0, acc0; ADCQ t1, acc1; ADCQ $1, acc2 - polyMul - - ADDQ inl, oup + MOVQ R15, 64(BP) + MOVQ R8, 72(BP) + PXOR 64(BP), X1 + MOVOU X1, (DI) + MOVOU -16(R13)(R9*1), X12 + PAND X12, X1 + MOVQ X1, R13 + PSRLDQ $0x08, X1 + MOVQ X1, R14 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x01, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + ADDQ BX, DI sealSSEFinalize: // Hash in the buffer lengths - ADDQ ad_len+80(FP), acc0 - ADCQ src_len+56(FP), acc1 - ADCQ $1, acc2 - polyMul + ADDQ ad_len+80(FP), R10 + ADCQ src_len+56(FP), R11 + ADCQ $0x01, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 // Final reduce - MOVQ acc0, t0 - MOVQ acc1, t1 - MOVQ acc2, t2 - SUBQ $-5, acc0 - SBBQ $-1, acc1 - SBBQ $3, acc2 - CMOVQCS t0, acc0 - CMOVQCS t1, acc1 - CMOVQCS t2, acc2 + MOVQ R10, R13 + MOVQ R11, R14 + MOVQ R12, R15 + SUBQ $-5, R10 + SBBQ $-1, R11 + SBBQ $0x03, R12 + CMOVQCS R13, R10 + CMOVQCS R14, R11 + CMOVQCS R15, R12 // Add in the "s" part of the key - ADDQ 0+sStore, acc0 - ADCQ 8+sStore, acc1 + ADDQ 16(BP), R10 + ADCQ 24(BP), R11 // Finally store the tag at the end of the message - MOVQ acc0, (0*8)(oup) - MOVQ acc1, (1*8)(oup) + MOVQ R10, (DI) + MOVQ R11, 8(DI) RET -// ---------------------------------------------------------------------------- -// ------------------------- AVX2 Code ---------------------------------------- chacha20Poly1305Seal_AVX2: VZEROUPPER - VMOVDQU ·chacha20Constants<>(SB), AA0 - BYTE $0xc4; BYTE $0x42; BYTE $0x7d; BYTE $0x5a; BYTE $0x70; BYTE $0x10 // broadcasti128 16(r8), ymm14 - BYTE $0xc4; BYTE $0x42; BYTE $0x7d; BYTE $0x5a; BYTE $0x60; BYTE $0x20 // broadcasti128 32(r8), ymm12 - BYTE $0xc4; BYTE $0xc2; BYTE $0x7d; BYTE $0x5a; BYTE $0x60; BYTE $0x30 // broadcasti128 48(r8), ymm4 - VPADDD ·avx2InitMask<>(SB), DD0, DD0 + VMOVDQU ·chacha20Constants<>+0(SB), Y0 + BYTE $0xc4 + BYTE $0x42 + BYTE $0x7d + BYTE $0x5a + BYTE $0x70 + BYTE $0x10 + BYTE $0xc4 + BYTE $0x42 + BYTE $0x7d + BYTE $0x5a + BYTE $0x60 + BYTE $0x20 + BYTE $0xc4 + BYTE $0xc2 + BYTE $0x7d + BYTE $0x5a + BYTE $0x60 + BYTE $0x30 + VPADDD ·avx2InitMask<>+0(SB), Y4, Y4 // Special optimizations, for very short buffers - CMPQ inl, $192 - JBE seal192AVX2 // 33% faster - CMPQ inl, $320 - JBE seal320AVX2 // 17% faster + CMPQ BX, $0x000000c0 + JBE seal192AVX2 + CMPQ BX, $0x00000140 + JBE seal320AVX2 // For the general key prepare the key first - as a byproduct we have 64 bytes of cipher stream - VMOVDQA AA0, AA1; VMOVDQA AA0, AA2; VMOVDQA AA0, AA3 - VMOVDQA BB0, BB1; VMOVDQA BB0, BB2; VMOVDQA BB0, BB3; VMOVDQA BB0, state1StoreAVX2 - VMOVDQA CC0, CC1; VMOVDQA CC0, CC2; VMOVDQA CC0, CC3; VMOVDQA CC0, state2StoreAVX2 - VPADDD ·avx2IncMask<>(SB), DD0, DD1; VMOVDQA DD0, ctr0StoreAVX2 - VPADDD ·avx2IncMask<>(SB), DD1, DD2; VMOVDQA DD1, ctr1StoreAVX2 - VPADDD ·avx2IncMask<>(SB), DD2, DD3; VMOVDQA DD2, ctr2StoreAVX2 - VMOVDQA DD3, ctr3StoreAVX2 - MOVQ $10, itr2 + VMOVDQA Y0, Y5 + VMOVDQA Y0, Y6 + VMOVDQA Y0, Y7 + VMOVDQA Y14, Y9 + VMOVDQA Y14, Y10 + VMOVDQA Y14, Y11 + VMOVDQA Y14, 32(BP) + VMOVDQA Y12, Y13 + VMOVDQA Y12, Y8 + VMOVDQA Y12, Y15 + VMOVDQA Y12, 64(BP) + VPADDD ·avx2IncMask<>+0(SB), Y4, Y1 + VMOVDQA Y4, 96(BP) + VPADDD ·avx2IncMask<>+0(SB), Y1, Y2 + VMOVDQA Y1, 128(BP) + VPADDD ·avx2IncMask<>+0(SB), Y2, Y3 + VMOVDQA Y2, 160(BP) + VMOVDQA Y3, 192(BP) + MOVQ $0x0000000a, R9 sealAVX2IntroLoop: - VMOVDQA CC3, tmpStoreAVX2 - chachaQR_AVX2(AA0, BB0, CC0, DD0, CC3); chachaQR_AVX2(AA1, BB1, CC1, DD1, CC3); chachaQR_AVX2(AA2, BB2, CC2, DD2, CC3) - VMOVDQA tmpStoreAVX2, CC3 - VMOVDQA CC1, tmpStoreAVX2 - chachaQR_AVX2(AA3, BB3, CC3, DD3, CC1) - VMOVDQA tmpStoreAVX2, CC1 - - VPALIGNR $4, BB0, BB0, BB0; VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $12, DD0, DD0, DD0 - VPALIGNR $4, BB1, BB1, BB1; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $12, DD1, DD1, DD1 - VPALIGNR $4, BB2, BB2, BB2; VPALIGNR $8, CC2, CC2, CC2; VPALIGNR $12, DD2, DD2, DD2 - VPALIGNR $4, BB3, BB3, BB3; VPALIGNR $8, CC3, CC3, CC3; VPALIGNR $12, DD3, DD3, DD3 - - VMOVDQA CC3, tmpStoreAVX2 - chachaQR_AVX2(AA0, BB0, CC0, DD0, CC3); chachaQR_AVX2(AA1, BB1, CC1, DD1, CC3); chachaQR_AVX2(AA2, BB2, CC2, DD2, CC3) - VMOVDQA tmpStoreAVX2, CC3 - VMOVDQA CC1, tmpStoreAVX2 - chachaQR_AVX2(AA3, BB3, CC3, DD3, CC1) - VMOVDQA tmpStoreAVX2, CC1 - - VPALIGNR $12, BB0, BB0, BB0; VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $4, DD0, DD0, DD0 - VPALIGNR $12, BB1, BB1, BB1; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $4, DD1, DD1, DD1 - VPALIGNR $12, BB2, BB2, BB2; VPALIGNR $8, CC2, CC2, CC2; VPALIGNR $4, DD2, DD2, DD2 - VPALIGNR $12, BB3, BB3, BB3; VPALIGNR $8, CC3, CC3, CC3; VPALIGNR $4, DD3, DD3, DD3 - DECQ itr2 - JNE sealAVX2IntroLoop - - VPADDD ·chacha20Constants<>(SB), AA0, AA0; VPADDD ·chacha20Constants<>(SB), AA1, AA1; VPADDD ·chacha20Constants<>(SB), AA2, AA2; VPADDD ·chacha20Constants<>(SB), AA3, AA3 - VPADDD state1StoreAVX2, BB0, BB0; VPADDD state1StoreAVX2, BB1, BB1; VPADDD state1StoreAVX2, BB2, BB2; VPADDD state1StoreAVX2, BB3, BB3 - VPADDD state2StoreAVX2, CC0, CC0; VPADDD state2StoreAVX2, CC1, CC1; VPADDD state2StoreAVX2, CC2, CC2; VPADDD state2StoreAVX2, CC3, CC3 - VPADDD ctr0StoreAVX2, DD0, DD0; VPADDD ctr1StoreAVX2, DD1, DD1; VPADDD ctr2StoreAVX2, DD2, DD2; VPADDD ctr3StoreAVX2, DD3, DD3 - - VPERM2I128 $0x13, CC0, DD0, CC0 // Stream bytes 96 - 127 - VPERM2I128 $0x02, AA0, BB0, DD0 // The Poly1305 key - VPERM2I128 $0x13, AA0, BB0, AA0 // Stream bytes 64 - 95 + VMOVDQA Y15, 224(BP) + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x0c, Y14, Y15 + VPSRLD $0x14, Y14, Y14 + VPXOR Y15, Y14, Y14 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol8<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x07, Y14, Y15 + VPSRLD $0x19, Y14, Y14 + VPXOR Y15, Y14, Y14 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol16<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x0c, Y9, Y15 + VPSRLD $0x14, Y9, Y9 + VPXOR Y15, Y9, Y9 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol8<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x07, Y9, Y15 + VPSRLD $0x19, Y9, Y9 + VPXOR Y15, Y9, Y9 + VPADDD Y10, Y6, Y6 + VPXOR Y6, Y2, Y2 + VPSHUFB ·rol16<>+0(SB), Y2, Y2 + VPADDD Y2, Y8, Y8 + VPXOR Y8, Y10, Y10 + VPSLLD $0x0c, Y10, Y15 + VPSRLD $0x14, Y10, Y10 + VPXOR Y15, Y10, Y10 + VPADDD Y10, Y6, Y6 + VPXOR Y6, Y2, Y2 + VPSHUFB ·rol8<>+0(SB), Y2, Y2 + VPADDD Y2, Y8, Y8 + VPXOR Y8, Y10, Y10 + VPSLLD $0x07, Y10, Y15 + VPSRLD $0x19, Y10, Y10 + VPXOR Y15, Y10, Y10 + VMOVDQA 224(BP), Y15 + VMOVDQA Y13, 224(BP) + VPADDD Y11, Y7, Y7 + VPXOR Y7, Y3, Y3 + VPSHUFB ·rol16<>+0(SB), Y3, Y3 + VPADDD Y3, Y15, Y15 + VPXOR Y15, Y11, Y11 + VPSLLD $0x0c, Y11, Y13 + VPSRLD $0x14, Y11, Y11 + VPXOR Y13, Y11, Y11 + VPADDD Y11, Y7, Y7 + VPXOR Y7, Y3, Y3 + VPSHUFB ·rol8<>+0(SB), Y3, Y3 + VPADDD Y3, Y15, Y15 + VPXOR Y15, Y11, Y11 + VPSLLD $0x07, Y11, Y13 + VPSRLD $0x19, Y11, Y11 + VPXOR Y13, Y11, Y11 + VMOVDQA 224(BP), Y13 + VPALIGNR $0x04, Y14, Y14, Y14 + VPALIGNR $0x08, Y12, Y12, Y12 + VPALIGNR $0x0c, Y4, Y4, Y4 + VPALIGNR $0x04, Y9, Y9, Y9 + VPALIGNR $0x08, Y13, Y13, Y13 + VPALIGNR $0x0c, Y1, Y1, Y1 + VPALIGNR $0x04, Y10, Y10, Y10 + VPALIGNR $0x08, Y8, Y8, Y8 + VPALIGNR $0x0c, Y2, Y2, Y2 + VPALIGNR $0x04, Y11, Y11, Y11 + VPALIGNR $0x08, Y15, Y15, Y15 + VPALIGNR $0x0c, Y3, Y3, Y3 + VMOVDQA Y15, 224(BP) + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x0c, Y14, Y15 + VPSRLD $0x14, Y14, Y14 + VPXOR Y15, Y14, Y14 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol8<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x07, Y14, Y15 + VPSRLD $0x19, Y14, Y14 + VPXOR Y15, Y14, Y14 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol16<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x0c, Y9, Y15 + VPSRLD $0x14, Y9, Y9 + VPXOR Y15, Y9, Y9 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol8<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x07, Y9, Y15 + VPSRLD $0x19, Y9, Y9 + VPXOR Y15, Y9, Y9 + VPADDD Y10, Y6, Y6 + VPXOR Y6, Y2, Y2 + VPSHUFB ·rol16<>+0(SB), Y2, Y2 + VPADDD Y2, Y8, Y8 + VPXOR Y8, Y10, Y10 + VPSLLD $0x0c, Y10, Y15 + VPSRLD $0x14, Y10, Y10 + VPXOR Y15, Y10, Y10 + VPADDD Y10, Y6, Y6 + VPXOR Y6, Y2, Y2 + VPSHUFB ·rol8<>+0(SB), Y2, Y2 + VPADDD Y2, Y8, Y8 + VPXOR Y8, Y10, Y10 + VPSLLD $0x07, Y10, Y15 + VPSRLD $0x19, Y10, Y10 + VPXOR Y15, Y10, Y10 + VMOVDQA 224(BP), Y15 + VMOVDQA Y13, 224(BP) + VPADDD Y11, Y7, Y7 + VPXOR Y7, Y3, Y3 + VPSHUFB ·rol16<>+0(SB), Y3, Y3 + VPADDD Y3, Y15, Y15 + VPXOR Y15, Y11, Y11 + VPSLLD $0x0c, Y11, Y13 + VPSRLD $0x14, Y11, Y11 + VPXOR Y13, Y11, Y11 + VPADDD Y11, Y7, Y7 + VPXOR Y7, Y3, Y3 + VPSHUFB ·rol8<>+0(SB), Y3, Y3 + VPADDD Y3, Y15, Y15 + VPXOR Y15, Y11, Y11 + VPSLLD $0x07, Y11, Y13 + VPSRLD $0x19, Y11, Y11 + VPXOR Y13, Y11, Y11 + VMOVDQA 224(BP), Y13 + VPALIGNR $0x0c, Y14, Y14, Y14 + VPALIGNR $0x08, Y12, Y12, Y12 + VPALIGNR $0x04, Y4, Y4, Y4 + VPALIGNR $0x0c, Y9, Y9, Y9 + VPALIGNR $0x08, Y13, Y13, Y13 + VPALIGNR $0x04, Y1, Y1, Y1 + VPALIGNR $0x0c, Y10, Y10, Y10 + VPALIGNR $0x08, Y8, Y8, Y8 + VPALIGNR $0x04, Y2, Y2, Y2 + VPALIGNR $0x0c, Y11, Y11, Y11 + VPALIGNR $0x08, Y15, Y15, Y15 + VPALIGNR $0x04, Y3, Y3, Y3 + DECQ R9 + JNE sealAVX2IntroLoop + VPADDD ·chacha20Constants<>+0(SB), Y0, Y0 + VPADDD ·chacha20Constants<>+0(SB), Y5, Y5 + VPADDD ·chacha20Constants<>+0(SB), Y6, Y6 + VPADDD ·chacha20Constants<>+0(SB), Y7, Y7 + VPADDD 32(BP), Y14, Y14 + VPADDD 32(BP), Y9, Y9 + VPADDD 32(BP), Y10, Y10 + VPADDD 32(BP), Y11, Y11 + VPADDD 64(BP), Y12, Y12 + VPADDD 64(BP), Y13, Y13 + VPADDD 64(BP), Y8, Y8 + VPADDD 64(BP), Y15, Y15 + VPADDD 96(BP), Y4, Y4 + VPADDD 128(BP), Y1, Y1 + VPADDD 160(BP), Y2, Y2 + VPADDD 192(BP), Y3, Y3 + VPERM2I128 $0x13, Y12, Y4, Y12 + VPERM2I128 $0x02, Y0, Y14, Y4 + VPERM2I128 $0x13, Y0, Y14, Y0 // Clamp and store poly key - VPAND ·polyClampMask<>(SB), DD0, DD0 - VMOVDQA DD0, rsStoreAVX2 + VPAND ·polyClampMask<>+0(SB), Y4, Y4 + VMOVDQA Y4, (BP) // Hash AD - MOVQ ad_len+80(FP), itr2 + MOVQ ad_len+80(FP), R9 CALL polyHashADInternal<>(SB) // Can store at least 320 bytes - VPXOR (0*32)(inp), AA0, AA0 - VPXOR (1*32)(inp), CC0, CC0 - VMOVDQU AA0, (0*32)(oup) - VMOVDQU CC0, (1*32)(oup) - - VPERM2I128 $0x02, AA1, BB1, AA0; VPERM2I128 $0x02, CC1, DD1, BB0; VPERM2I128 $0x13, AA1, BB1, CC0; VPERM2I128 $0x13, CC1, DD1, DD0 - VPXOR (2*32)(inp), AA0, AA0; VPXOR (3*32)(inp), BB0, BB0; VPXOR (4*32)(inp), CC0, CC0; VPXOR (5*32)(inp), DD0, DD0 - VMOVDQU AA0, (2*32)(oup); VMOVDQU BB0, (3*32)(oup); VMOVDQU CC0, (4*32)(oup); VMOVDQU DD0, (5*32)(oup) - VPERM2I128 $0x02, AA2, BB2, AA0; VPERM2I128 $0x02, CC2, DD2, BB0; VPERM2I128 $0x13, AA2, BB2, CC0; VPERM2I128 $0x13, CC2, DD2, DD0 - VPXOR (6*32)(inp), AA0, AA0; VPXOR (7*32)(inp), BB0, BB0; VPXOR (8*32)(inp), CC0, CC0; VPXOR (9*32)(inp), DD0, DD0 - VMOVDQU AA0, (6*32)(oup); VMOVDQU BB0, (7*32)(oup); VMOVDQU CC0, (8*32)(oup); VMOVDQU DD0, (9*32)(oup) - - MOVQ $320, itr1 - SUBQ $320, inl - LEAQ 320(inp), inp - - VPERM2I128 $0x02, AA3, BB3, AA0; VPERM2I128 $0x02, CC3, DD3, BB0; VPERM2I128 $0x13, AA3, BB3, CC0; VPERM2I128 $0x13, CC3, DD3, DD0 - CMPQ inl, $128 + VPXOR (SI), Y0, Y0 + VPXOR 32(SI), Y12, Y12 + VMOVDQU Y0, (DI) + VMOVDQU Y12, 32(DI) + VPERM2I128 $0x02, Y5, Y9, Y0 + VPERM2I128 $0x02, Y13, Y1, Y14 + VPERM2I128 $0x13, Y5, Y9, Y12 + VPERM2I128 $0x13, Y13, Y1, Y4 + VPXOR 64(SI), Y0, Y0 + VPXOR 96(SI), Y14, Y14 + VPXOR 128(SI), Y12, Y12 + VPXOR 160(SI), Y4, Y4 + VMOVDQU Y0, 64(DI) + VMOVDQU Y14, 96(DI) + VMOVDQU Y12, 128(DI) + VMOVDQU Y4, 160(DI) + VPERM2I128 $0x02, Y6, Y10, Y0 + VPERM2I128 $0x02, Y8, Y2, Y14 + VPERM2I128 $0x13, Y6, Y10, Y12 + VPERM2I128 $0x13, Y8, Y2, Y4 + VPXOR 192(SI), Y0, Y0 + VPXOR 224(SI), Y14, Y14 + VPXOR 256(SI), Y12, Y12 + VPXOR 288(SI), Y4, Y4 + VMOVDQU Y0, 192(DI) + VMOVDQU Y14, 224(DI) + VMOVDQU Y12, 256(DI) + VMOVDQU Y4, 288(DI) + MOVQ $0x00000140, CX + SUBQ $0x00000140, BX + LEAQ 320(SI), SI + VPERM2I128 $0x02, Y7, Y11, Y0 + VPERM2I128 $0x02, Y15, Y3, Y14 + VPERM2I128 $0x13, Y7, Y11, Y12 + VPERM2I128 $0x13, Y15, Y3, Y4 + CMPQ BX, $0x80 JBE sealAVX2SealHash - - VPXOR (0*32)(inp), AA0, AA0; VPXOR (1*32)(inp), BB0, BB0; VPXOR (2*32)(inp), CC0, CC0; VPXOR (3*32)(inp), DD0, DD0 - VMOVDQU AA0, (10*32)(oup); VMOVDQU BB0, (11*32)(oup); VMOVDQU CC0, (12*32)(oup); VMOVDQU DD0, (13*32)(oup) - SUBQ $128, inl - LEAQ 128(inp), inp - - MOVQ $8, itr1 - MOVQ $2, itr2 - - CMPQ inl, $128 - JBE sealAVX2Tail128 - CMPQ inl, $256 - JBE sealAVX2Tail256 - CMPQ inl, $384 - JBE sealAVX2Tail384 - CMPQ inl, $512 - JBE sealAVX2Tail512 + VPXOR (SI), Y0, Y0 + VPXOR 32(SI), Y14, Y14 + VPXOR 64(SI), Y12, Y12 + VPXOR 96(SI), Y4, Y4 + VMOVDQU Y0, 320(DI) + VMOVDQU Y14, 352(DI) + VMOVDQU Y12, 384(DI) + VMOVDQU Y4, 416(DI) + SUBQ $0x80, BX + LEAQ 128(SI), SI + MOVQ $0x00000008, CX + MOVQ $0x00000002, R9 + CMPQ BX, $0x80 + JBE sealAVX2Tail128 + CMPQ BX, $0x00000100 + JBE sealAVX2Tail256 + CMPQ BX, $0x00000180 + JBE sealAVX2Tail384 + CMPQ BX, $0x00000200 + JBE sealAVX2Tail512 // We have 448 bytes to hash, but main loop hashes 512 bytes at a time - perform some rounds, before the main loop - VMOVDQA ·chacha20Constants<>(SB), AA0; VMOVDQA AA0, AA1; VMOVDQA AA0, AA2; VMOVDQA AA0, AA3 - VMOVDQA state1StoreAVX2, BB0; VMOVDQA BB0, BB1; VMOVDQA BB0, BB2; VMOVDQA BB0, BB3 - VMOVDQA state2StoreAVX2, CC0; VMOVDQA CC0, CC1; VMOVDQA CC0, CC2; VMOVDQA CC0, CC3 - VMOVDQA ctr3StoreAVX2, DD0 - VPADDD ·avx2IncMask<>(SB), DD0, DD0; VPADDD ·avx2IncMask<>(SB), DD0, DD1; VPADDD ·avx2IncMask<>(SB), DD1, DD2; VPADDD ·avx2IncMask<>(SB), DD2, DD3 - VMOVDQA DD0, ctr0StoreAVX2; VMOVDQA DD1, ctr1StoreAVX2; VMOVDQA DD2, ctr2StoreAVX2; VMOVDQA DD3, ctr3StoreAVX2 - - VMOVDQA CC3, tmpStoreAVX2 - chachaQR_AVX2(AA0, BB0, CC0, DD0, CC3); chachaQR_AVX2(AA1, BB1, CC1, DD1, CC3); chachaQR_AVX2(AA2, BB2, CC2, DD2, CC3) - VMOVDQA tmpStoreAVX2, CC3 - VMOVDQA CC1, tmpStoreAVX2 - chachaQR_AVX2(AA3, BB3, CC3, DD3, CC1) - VMOVDQA tmpStoreAVX2, CC1 - - VPALIGNR $4, BB0, BB0, BB0; VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $12, DD0, DD0, DD0 - VPALIGNR $4, BB1, BB1, BB1; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $12, DD1, DD1, DD1 - VPALIGNR $4, BB2, BB2, BB2; VPALIGNR $8, CC2, CC2, CC2; VPALIGNR $12, DD2, DD2, DD2 - VPALIGNR $4, BB3, BB3, BB3; VPALIGNR $8, CC3, CC3, CC3; VPALIGNR $12, DD3, DD3, DD3 - - VMOVDQA CC3, tmpStoreAVX2 - chachaQR_AVX2(AA0, BB0, CC0, DD0, CC3); chachaQR_AVX2(AA1, BB1, CC1, DD1, CC3); chachaQR_AVX2(AA2, BB2, CC2, DD2, CC3) - VMOVDQA tmpStoreAVX2, CC3 - VMOVDQA CC1, tmpStoreAVX2 - chachaQR_AVX2(AA3, BB3, CC3, DD3, CC1) - VMOVDQA tmpStoreAVX2, CC1 - - VPALIGNR $12, BB0, BB0, BB0; VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $4, DD0, DD0, DD0 - VPALIGNR $12, BB1, BB1, BB1; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $4, DD1, DD1, DD1 - VPALIGNR $12, BB2, BB2, BB2; VPALIGNR $8, CC2, CC2, CC2; VPALIGNR $4, DD2, DD2, DD2 - VPALIGNR $12, BB3, BB3, BB3; VPALIGNR $8, CC3, CC3, CC3; VPALIGNR $4, DD3, DD3, DD3 - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - VPSHUFB ·rol16<>(SB), DD0, DD0; VPSHUFB ·rol16<>(SB), DD1, DD1; VPSHUFB ·rol16<>(SB), DD2, DD2; VPSHUFB ·rol16<>(SB), DD3, DD3 - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $12, BB0, CC3; VPSRLD $20, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $12, BB1, CC3; VPSRLD $20, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $12, BB2, CC3; VPSRLD $20, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $12, BB3, CC3; VPSRLD $20, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - - SUBQ $16, oup // Adjust the pointer - MOVQ $9, itr1 - JMP sealAVX2InternalLoopStart + VMOVDQA ·chacha20Constants<>+0(SB), Y0 + VMOVDQA Y0, Y5 + VMOVDQA Y0, Y6 + VMOVDQA Y0, Y7 + VMOVDQA 32(BP), Y14 + VMOVDQA Y14, Y9 + VMOVDQA Y14, Y10 + VMOVDQA Y14, Y11 + VMOVDQA 64(BP), Y12 + VMOVDQA Y12, Y13 + VMOVDQA Y12, Y8 + VMOVDQA Y12, Y15 + VMOVDQA 192(BP), Y4 + VPADDD ·avx2IncMask<>+0(SB), Y4, Y4 + VPADDD ·avx2IncMask<>+0(SB), Y4, Y1 + VPADDD ·avx2IncMask<>+0(SB), Y1, Y2 + VPADDD ·avx2IncMask<>+0(SB), Y2, Y3 + VMOVDQA Y4, 96(BP) + VMOVDQA Y1, 128(BP) + VMOVDQA Y2, 160(BP) + VMOVDQA Y3, 192(BP) + VMOVDQA Y15, 224(BP) + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x0c, Y14, Y15 + VPSRLD $0x14, Y14, Y14 + VPXOR Y15, Y14, Y14 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol8<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x07, Y14, Y15 + VPSRLD $0x19, Y14, Y14 + VPXOR Y15, Y14, Y14 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol16<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x0c, Y9, Y15 + VPSRLD $0x14, Y9, Y9 + VPXOR Y15, Y9, Y9 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol8<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x07, Y9, Y15 + VPSRLD $0x19, Y9, Y9 + VPXOR Y15, Y9, Y9 + VPADDD Y10, Y6, Y6 + VPXOR Y6, Y2, Y2 + VPSHUFB ·rol16<>+0(SB), Y2, Y2 + VPADDD Y2, Y8, Y8 + VPXOR Y8, Y10, Y10 + VPSLLD $0x0c, Y10, Y15 + VPSRLD $0x14, Y10, Y10 + VPXOR Y15, Y10, Y10 + VPADDD Y10, Y6, Y6 + VPXOR Y6, Y2, Y2 + VPSHUFB ·rol8<>+0(SB), Y2, Y2 + VPADDD Y2, Y8, Y8 + VPXOR Y8, Y10, Y10 + VPSLLD $0x07, Y10, Y15 + VPSRLD $0x19, Y10, Y10 + VPXOR Y15, Y10, Y10 + VMOVDQA 224(BP), Y15 + VMOVDQA Y13, 224(BP) + VPADDD Y11, Y7, Y7 + VPXOR Y7, Y3, Y3 + VPSHUFB ·rol16<>+0(SB), Y3, Y3 + VPADDD Y3, Y15, Y15 + VPXOR Y15, Y11, Y11 + VPSLLD $0x0c, Y11, Y13 + VPSRLD $0x14, Y11, Y11 + VPXOR Y13, Y11, Y11 + VPADDD Y11, Y7, Y7 + VPXOR Y7, Y3, Y3 + VPSHUFB ·rol8<>+0(SB), Y3, Y3 + VPADDD Y3, Y15, Y15 + VPXOR Y15, Y11, Y11 + VPSLLD $0x07, Y11, Y13 + VPSRLD $0x19, Y11, Y11 + VPXOR Y13, Y11, Y11 + VMOVDQA 224(BP), Y13 + VPALIGNR $0x04, Y14, Y14, Y14 + VPALIGNR $0x08, Y12, Y12, Y12 + VPALIGNR $0x0c, Y4, Y4, Y4 + VPALIGNR $0x04, Y9, Y9, Y9 + VPALIGNR $0x08, Y13, Y13, Y13 + VPALIGNR $0x0c, Y1, Y1, Y1 + VPALIGNR $0x04, Y10, Y10, Y10 + VPALIGNR $0x08, Y8, Y8, Y8 + VPALIGNR $0x0c, Y2, Y2, Y2 + VPALIGNR $0x04, Y11, Y11, Y11 + VPALIGNR $0x08, Y15, Y15, Y15 + VPALIGNR $0x0c, Y3, Y3, Y3 + VMOVDQA Y15, 224(BP) + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x0c, Y14, Y15 + VPSRLD $0x14, Y14, Y14 + VPXOR Y15, Y14, Y14 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol8<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x07, Y14, Y15 + VPSRLD $0x19, Y14, Y14 + VPXOR Y15, Y14, Y14 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol16<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x0c, Y9, Y15 + VPSRLD $0x14, Y9, Y9 + VPXOR Y15, Y9, Y9 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol8<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x07, Y9, Y15 + VPSRLD $0x19, Y9, Y9 + VPXOR Y15, Y9, Y9 + VPADDD Y10, Y6, Y6 + VPXOR Y6, Y2, Y2 + VPSHUFB ·rol16<>+0(SB), Y2, Y2 + VPADDD Y2, Y8, Y8 + VPXOR Y8, Y10, Y10 + VPSLLD $0x0c, Y10, Y15 + VPSRLD $0x14, Y10, Y10 + VPXOR Y15, Y10, Y10 + VPADDD Y10, Y6, Y6 + VPXOR Y6, Y2, Y2 + VPSHUFB ·rol8<>+0(SB), Y2, Y2 + VPADDD Y2, Y8, Y8 + VPXOR Y8, Y10, Y10 + VPSLLD $0x07, Y10, Y15 + VPSRLD $0x19, Y10, Y10 + VPXOR Y15, Y10, Y10 + VMOVDQA 224(BP), Y15 + VMOVDQA Y13, 224(BP) + VPADDD Y11, Y7, Y7 + VPXOR Y7, Y3, Y3 + VPSHUFB ·rol16<>+0(SB), Y3, Y3 + VPADDD Y3, Y15, Y15 + VPXOR Y15, Y11, Y11 + VPSLLD $0x0c, Y11, Y13 + VPSRLD $0x14, Y11, Y11 + VPXOR Y13, Y11, Y11 + VPADDD Y11, Y7, Y7 + VPXOR Y7, Y3, Y3 + VPSHUFB ·rol8<>+0(SB), Y3, Y3 + VPADDD Y3, Y15, Y15 + VPXOR Y15, Y11, Y11 + VPSLLD $0x07, Y11, Y13 + VPSRLD $0x19, Y11, Y11 + VPXOR Y13, Y11, Y11 + VMOVDQA 224(BP), Y13 + VPALIGNR $0x0c, Y14, Y14, Y14 + VPALIGNR $0x08, Y12, Y12, Y12 + VPALIGNR $0x04, Y4, Y4, Y4 + VPALIGNR $0x0c, Y9, Y9, Y9 + VPALIGNR $0x08, Y13, Y13, Y13 + VPALIGNR $0x04, Y1, Y1, Y1 + VPALIGNR $0x0c, Y10, Y10, Y10 + VPALIGNR $0x08, Y8, Y8, Y8 + VPALIGNR $0x04, Y2, Y2, Y2 + VPALIGNR $0x0c, Y11, Y11, Y11 + VPALIGNR $0x08, Y15, Y15, Y15 + VPALIGNR $0x04, Y3, Y3, Y3 + VPADDD Y14, Y0, Y0 + VPADDD Y9, Y5, Y5 + VPADDD Y10, Y6, Y6 + VPADDD Y11, Y7, Y7 + VPXOR Y0, Y4, Y4 + VPXOR Y5, Y1, Y1 + VPXOR Y6, Y2, Y2 + VPXOR Y7, Y3, Y3 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y1, Y1 + VPSHUFB ·rol16<>+0(SB), Y2, Y2 + VPSHUFB ·rol16<>+0(SB), Y3, Y3 + VPADDD Y4, Y12, Y12 + VPADDD Y1, Y13, Y13 + VPADDD Y2, Y8, Y8 + VPADDD Y3, Y15, Y15 + VPXOR Y12, Y14, Y14 + VPXOR Y13, Y9, Y9 + VPXOR Y8, Y10, Y10 + VPXOR Y15, Y11, Y11 + VMOVDQA Y15, 224(BP) + VPSLLD $0x0c, Y14, Y15 + VPSRLD $0x14, Y14, Y14 + VPXOR Y15, Y14, Y14 + VPSLLD $0x0c, Y9, Y15 + VPSRLD $0x14, Y9, Y9 + VPXOR Y15, Y9, Y9 + VPSLLD $0x0c, Y10, Y15 + VPSRLD $0x14, Y10, Y10 + VPXOR Y15, Y10, Y10 + VPSLLD $0x0c, Y11, Y15 + VPSRLD $0x14, Y11, Y11 + VPXOR Y15, Y11, Y11 + VMOVDQA 224(BP), Y15 + SUBQ $0x10, DI + MOVQ $0x00000009, CX + JMP sealAVX2InternalLoopStart sealAVX2MainLoop: - // Load state, increment counter blocks, store the incremented counters - VMOVDQU ·chacha20Constants<>(SB), AA0; VMOVDQA AA0, AA1; VMOVDQA AA0, AA2; VMOVDQA AA0, AA3 - VMOVDQA state1StoreAVX2, BB0; VMOVDQA BB0, BB1; VMOVDQA BB0, BB2; VMOVDQA BB0, BB3 - VMOVDQA state2StoreAVX2, CC0; VMOVDQA CC0, CC1; VMOVDQA CC0, CC2; VMOVDQA CC0, CC3 - VMOVDQA ctr3StoreAVX2, DD0; VPADDD ·avx2IncMask<>(SB), DD0, DD0; VPADDD ·avx2IncMask<>(SB), DD0, DD1; VPADDD ·avx2IncMask<>(SB), DD1, DD2; VPADDD ·avx2IncMask<>(SB), DD2, DD3 - VMOVDQA DD0, ctr0StoreAVX2; VMOVDQA DD1, ctr1StoreAVX2; VMOVDQA DD2, ctr2StoreAVX2; VMOVDQA DD3, ctr3StoreAVX2 - MOVQ $10, itr1 + VMOVDQU ·chacha20Constants<>+0(SB), Y0 + VMOVDQA Y0, Y5 + VMOVDQA Y0, Y6 + VMOVDQA Y0, Y7 + VMOVDQA 32(BP), Y14 + VMOVDQA Y14, Y9 + VMOVDQA Y14, Y10 + VMOVDQA Y14, Y11 + VMOVDQA 64(BP), Y12 + VMOVDQA Y12, Y13 + VMOVDQA Y12, Y8 + VMOVDQA Y12, Y15 + VMOVDQA 192(BP), Y4 + VPADDD ·avx2IncMask<>+0(SB), Y4, Y4 + VPADDD ·avx2IncMask<>+0(SB), Y4, Y1 + VPADDD ·avx2IncMask<>+0(SB), Y1, Y2 + VPADDD ·avx2IncMask<>+0(SB), Y2, Y3 + VMOVDQA Y4, 96(BP) + VMOVDQA Y1, 128(BP) + VMOVDQA Y2, 160(BP) + VMOVDQA Y3, 192(BP) + MOVQ $0x0000000a, CX sealAVX2InternalLoop: - polyAdd(0*8(oup)) - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - polyMulStage1_AVX2 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - VPSHUFB ·rol16<>(SB), DD0, DD0; VPSHUFB ·rol16<>(SB), DD1, DD1; VPSHUFB ·rol16<>(SB), DD2, DD2; VPSHUFB ·rol16<>(SB), DD3, DD3 - polyMulStage2_AVX2 - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - polyMulStage3_AVX2 - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $12, BB0, CC3; VPSRLD $20, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $12, BB1, CC3; VPSRLD $20, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $12, BB2, CC3; VPSRLD $20, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $12, BB3, CC3; VPSRLD $20, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - polyMulReduceStage + ADDQ (DI), R10 + ADCQ 8(DI), R11 + ADCQ $0x01, R12 + VPADDD Y14, Y0, Y0 + VPADDD Y9, Y5, Y5 + VPADDD Y10, Y6, Y6 + VPADDD Y11, Y7, Y7 + MOVQ (BP), DX + MOVQ DX, R15 + MULXQ R10, R13, R14 + IMULQ R12, R15 + MULXQ R11, AX, DX + ADDQ AX, R14 + ADCQ DX, R15 + VPXOR Y0, Y4, Y4 + VPXOR Y5, Y1, Y1 + VPXOR Y6, Y2, Y2 + VPXOR Y7, Y3, Y3 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y1, Y1 + VPSHUFB ·rol16<>+0(SB), Y2, Y2 + VPSHUFB ·rol16<>+0(SB), Y3, Y3 + MOVQ 8(BP), DX + MULXQ R10, R10, AX + ADDQ R10, R14 + MULXQ R11, R11, R8 + ADCQ R11, R15 + ADCQ $0x00, R8 + VPADDD Y4, Y12, Y12 + VPADDD Y1, Y13, Y13 + VPADDD Y2, Y8, Y8 + VPADDD Y3, Y15, Y15 + VPXOR Y12, Y14, Y14 + VPXOR Y13, Y9, Y9 + VPXOR Y8, Y10, Y10 + VPXOR Y15, Y11, Y11 + IMULQ R12, DX + ADDQ AX, R15 + ADCQ DX, R8 + VMOVDQA Y15, 224(BP) + VPSLLD $0x0c, Y14, Y15 + VPSRLD $0x14, Y14, Y14 + VPXOR Y15, Y14, Y14 + VPSLLD $0x0c, Y9, Y15 + VPSRLD $0x14, Y9, Y9 + VPXOR Y15, Y9, Y9 + VPSLLD $0x0c, Y10, Y15 + VPSRLD $0x14, Y10, Y10 + VPXOR Y15, Y10, Y10 + VPSLLD $0x0c, Y11, Y15 + VPSRLD $0x14, Y11, Y11 + VPXOR Y15, Y11, Y11 + VMOVDQA 224(BP), Y15 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 sealAVX2InternalLoopStart: - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - VPSHUFB ·rol8<>(SB), DD0, DD0; VPSHUFB ·rol8<>(SB), DD1, DD1; VPSHUFB ·rol8<>(SB), DD2, DD2; VPSHUFB ·rol8<>(SB), DD3, DD3 - polyAdd(2*8(oup)) - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - polyMulStage1_AVX2 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $7, BB0, CC3; VPSRLD $25, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $7, BB1, CC3; VPSRLD $25, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $7, BB2, CC3; VPSRLD $25, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $7, BB3, CC3; VPSRLD $25, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - polyMulStage2_AVX2 - VPALIGNR $4, BB0, BB0, BB0; VPALIGNR $4, BB1, BB1, BB1; VPALIGNR $4, BB2, BB2, BB2; VPALIGNR $4, BB3, BB3, BB3 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $8, CC2, CC2, CC2; VPALIGNR $8, CC3, CC3, CC3 - VPALIGNR $12, DD0, DD0, DD0; VPALIGNR $12, DD1, DD1, DD1; VPALIGNR $12, DD2, DD2, DD2; VPALIGNR $12, DD3, DD3, DD3 - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - polyMulStage3_AVX2 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - VPSHUFB ·rol16<>(SB), DD0, DD0; VPSHUFB ·rol16<>(SB), DD1, DD1; VPSHUFB ·rol16<>(SB), DD2, DD2; VPSHUFB ·rol16<>(SB), DD3, DD3 - polyMulReduceStage - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - polyAdd(4*8(oup)) - LEAQ (6*8)(oup), oup - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $12, BB0, CC3; VPSRLD $20, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $12, BB1, CC3; VPSRLD $20, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $12, BB2, CC3; VPSRLD $20, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $12, BB3, CC3; VPSRLD $20, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - polyMulStage1_AVX2 - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - polyMulStage2_AVX2 - VPSHUFB ·rol8<>(SB), DD0, DD0; VPSHUFB ·rol8<>(SB), DD1, DD1; VPSHUFB ·rol8<>(SB), DD2, DD2; VPSHUFB ·rol8<>(SB), DD3, DD3 - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - polyMulStage3_AVX2 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $7, BB0, CC3; VPSRLD $25, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $7, BB1, CC3; VPSRLD $25, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $7, BB2, CC3; VPSRLD $25, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $7, BB3, CC3; VPSRLD $25, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - polyMulReduceStage - VPALIGNR $12, BB0, BB0, BB0; VPALIGNR $12, BB1, BB1, BB1; VPALIGNR $12, BB2, BB2, BB2; VPALIGNR $12, BB3, BB3, BB3 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $8, CC2, CC2, CC2; VPALIGNR $8, CC3, CC3, CC3 - VPALIGNR $4, DD0, DD0, DD0; VPALIGNR $4, DD1, DD1, DD1; VPALIGNR $4, DD2, DD2, DD2; VPALIGNR $4, DD3, DD3, DD3 - DECQ itr1 + VPADDD Y14, Y0, Y0 + VPADDD Y9, Y5, Y5 + VPADDD Y10, Y6, Y6 + VPADDD Y11, Y7, Y7 + VPXOR Y0, Y4, Y4 + VPXOR Y5, Y1, Y1 + VPXOR Y6, Y2, Y2 + VPXOR Y7, Y3, Y3 + VPSHUFB ·rol8<>+0(SB), Y4, Y4 + VPSHUFB ·rol8<>+0(SB), Y1, Y1 + VPSHUFB ·rol8<>+0(SB), Y2, Y2 + VPSHUFB ·rol8<>+0(SB), Y3, Y3 + ADDQ 16(DI), R10 + ADCQ 24(DI), R11 + ADCQ $0x01, R12 + VPADDD Y4, Y12, Y12 + VPADDD Y1, Y13, Y13 + VPADDD Y2, Y8, Y8 + VPADDD Y3, Y15, Y15 + MOVQ (BP), DX + MOVQ DX, R15 + MULXQ R10, R13, R14 + IMULQ R12, R15 + MULXQ R11, AX, DX + ADDQ AX, R14 + ADCQ DX, R15 + VPXOR Y12, Y14, Y14 + VPXOR Y13, Y9, Y9 + VPXOR Y8, Y10, Y10 + VPXOR Y15, Y11, Y11 + VMOVDQA Y15, 224(BP) + VPSLLD $0x07, Y14, Y15 + VPSRLD $0x19, Y14, Y14 + VPXOR Y15, Y14, Y14 + VPSLLD $0x07, Y9, Y15 + VPSRLD $0x19, Y9, Y9 + VPXOR Y15, Y9, Y9 + VPSLLD $0x07, Y10, Y15 + VPSRLD $0x19, Y10, Y10 + VPXOR Y15, Y10, Y10 + VPSLLD $0x07, Y11, Y15 + VPSRLD $0x19, Y11, Y11 + VPXOR Y15, Y11, Y11 + VMOVDQA 224(BP), Y15 + MOVQ 8(BP), DX + MULXQ R10, R10, AX + ADDQ R10, R14 + MULXQ R11, R11, R8 + ADCQ R11, R15 + ADCQ $0x00, R8 + VPALIGNR $0x04, Y14, Y14, Y14 + VPALIGNR $0x04, Y9, Y9, Y9 + VPALIGNR $0x04, Y10, Y10, Y10 + VPALIGNR $0x04, Y11, Y11, Y11 + VPALIGNR $0x08, Y12, Y12, Y12 + VPALIGNR $0x08, Y13, Y13, Y13 + VPALIGNR $0x08, Y8, Y8, Y8 + VPALIGNR $0x08, Y15, Y15, Y15 + VPALIGNR $0x0c, Y4, Y4, Y4 + VPALIGNR $0x0c, Y1, Y1, Y1 + VPALIGNR $0x0c, Y2, Y2, Y2 + VPALIGNR $0x0c, Y3, Y3, Y3 + VPADDD Y14, Y0, Y0 + VPADDD Y9, Y5, Y5 + VPADDD Y10, Y6, Y6 + VPADDD Y11, Y7, Y7 + IMULQ R12, DX + ADDQ AX, R15 + ADCQ DX, R8 + VPXOR Y0, Y4, Y4 + VPXOR Y5, Y1, Y1 + VPXOR Y6, Y2, Y2 + VPXOR Y7, Y3, Y3 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y1, Y1 + VPSHUFB ·rol16<>+0(SB), Y2, Y2 + VPSHUFB ·rol16<>+0(SB), Y3, Y3 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + VPADDD Y4, Y12, Y12 + VPADDD Y1, Y13, Y13 + VPADDD Y2, Y8, Y8 + VPADDD Y3, Y15, Y15 + VPXOR Y12, Y14, Y14 + VPXOR Y13, Y9, Y9 + VPXOR Y8, Y10, Y10 + VPXOR Y15, Y11, Y11 + ADDQ 32(DI), R10 + ADCQ 40(DI), R11 + ADCQ $0x01, R12 + LEAQ 48(DI), DI + VMOVDQA Y15, 224(BP) + VPSLLD $0x0c, Y14, Y15 + VPSRLD $0x14, Y14, Y14 + VPXOR Y15, Y14, Y14 + VPSLLD $0x0c, Y9, Y15 + VPSRLD $0x14, Y9, Y9 + VPXOR Y15, Y9, Y9 + VPSLLD $0x0c, Y10, Y15 + VPSRLD $0x14, Y10, Y10 + VPXOR Y15, Y10, Y10 + VPSLLD $0x0c, Y11, Y15 + VPSRLD $0x14, Y11, Y11 + VPXOR Y15, Y11, Y11 + VMOVDQA 224(BP), Y15 + MOVQ (BP), DX + MOVQ DX, R15 + MULXQ R10, R13, R14 + IMULQ R12, R15 + MULXQ R11, AX, DX + ADDQ AX, R14 + ADCQ DX, R15 + VPADDD Y14, Y0, Y0 + VPADDD Y9, Y5, Y5 + VPADDD Y10, Y6, Y6 + VPADDD Y11, Y7, Y7 + VPXOR Y0, Y4, Y4 + VPXOR Y5, Y1, Y1 + VPXOR Y6, Y2, Y2 + VPXOR Y7, Y3, Y3 + MOVQ 8(BP), DX + MULXQ R10, R10, AX + ADDQ R10, R14 + MULXQ R11, R11, R8 + ADCQ R11, R15 + ADCQ $0x00, R8 + VPSHUFB ·rol8<>+0(SB), Y4, Y4 + VPSHUFB ·rol8<>+0(SB), Y1, Y1 + VPSHUFB ·rol8<>+0(SB), Y2, Y2 + VPSHUFB ·rol8<>+0(SB), Y3, Y3 + VPADDD Y4, Y12, Y12 + VPADDD Y1, Y13, Y13 + VPADDD Y2, Y8, Y8 + VPADDD Y3, Y15, Y15 + IMULQ R12, DX + ADDQ AX, R15 + ADCQ DX, R8 + VPXOR Y12, Y14, Y14 + VPXOR Y13, Y9, Y9 + VPXOR Y8, Y10, Y10 + VPXOR Y15, Y11, Y11 + VMOVDQA Y15, 224(BP) + VPSLLD $0x07, Y14, Y15 + VPSRLD $0x19, Y14, Y14 + VPXOR Y15, Y14, Y14 + VPSLLD $0x07, Y9, Y15 + VPSRLD $0x19, Y9, Y9 + VPXOR Y15, Y9, Y9 + VPSLLD $0x07, Y10, Y15 + VPSRLD $0x19, Y10, Y10 + VPXOR Y15, Y10, Y10 + VPSLLD $0x07, Y11, Y15 + VPSRLD $0x19, Y11, Y11 + VPXOR Y15, Y11, Y11 + VMOVDQA 224(BP), Y15 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + VPALIGNR $0x0c, Y14, Y14, Y14 + VPALIGNR $0x0c, Y9, Y9, Y9 + VPALIGNR $0x0c, Y10, Y10, Y10 + VPALIGNR $0x0c, Y11, Y11, Y11 + VPALIGNR $0x08, Y12, Y12, Y12 + VPALIGNR $0x08, Y13, Y13, Y13 + VPALIGNR $0x08, Y8, Y8, Y8 + VPALIGNR $0x08, Y15, Y15, Y15 + VPALIGNR $0x04, Y4, Y4, Y4 + VPALIGNR $0x04, Y1, Y1, Y1 + VPALIGNR $0x04, Y2, Y2, Y2 + VPALIGNR $0x04, Y3, Y3, Y3 + DECQ CX JNE sealAVX2InternalLoop - - VPADDD ·chacha20Constants<>(SB), AA0, AA0; VPADDD ·chacha20Constants<>(SB), AA1, AA1; VPADDD ·chacha20Constants<>(SB), AA2, AA2; VPADDD ·chacha20Constants<>(SB), AA3, AA3 - VPADDD state1StoreAVX2, BB0, BB0; VPADDD state1StoreAVX2, BB1, BB1; VPADDD state1StoreAVX2, BB2, BB2; VPADDD state1StoreAVX2, BB3, BB3 - VPADDD state2StoreAVX2, CC0, CC0; VPADDD state2StoreAVX2, CC1, CC1; VPADDD state2StoreAVX2, CC2, CC2; VPADDD state2StoreAVX2, CC3, CC3 - VPADDD ctr0StoreAVX2, DD0, DD0; VPADDD ctr1StoreAVX2, DD1, DD1; VPADDD ctr2StoreAVX2, DD2, DD2; VPADDD ctr3StoreAVX2, DD3, DD3 - VMOVDQA CC3, tmpStoreAVX2 + VPADDD ·chacha20Constants<>+0(SB), Y0, Y0 + VPADDD ·chacha20Constants<>+0(SB), Y5, Y5 + VPADDD ·chacha20Constants<>+0(SB), Y6, Y6 + VPADDD ·chacha20Constants<>+0(SB), Y7, Y7 + VPADDD 32(BP), Y14, Y14 + VPADDD 32(BP), Y9, Y9 + VPADDD 32(BP), Y10, Y10 + VPADDD 32(BP), Y11, Y11 + VPADDD 64(BP), Y12, Y12 + VPADDD 64(BP), Y13, Y13 + VPADDD 64(BP), Y8, Y8 + VPADDD 64(BP), Y15, Y15 + VPADDD 96(BP), Y4, Y4 + VPADDD 128(BP), Y1, Y1 + VPADDD 160(BP), Y2, Y2 + VPADDD 192(BP), Y3, Y3 + VMOVDQA Y15, 224(BP) // We only hashed 480 of the 512 bytes available - hash the remaining 32 here - polyAdd(0*8(oup)) - polyMulAVX2 - LEAQ (4*8)(oup), oup - VPERM2I128 $0x02, AA0, BB0, CC3; VPERM2I128 $0x13, AA0, BB0, BB0; VPERM2I128 $0x02, CC0, DD0, AA0; VPERM2I128 $0x13, CC0, DD0, CC0 - VPXOR (0*32)(inp), CC3, CC3; VPXOR (1*32)(inp), AA0, AA0; VPXOR (2*32)(inp), BB0, BB0; VPXOR (3*32)(inp), CC0, CC0 - VMOVDQU CC3, (0*32)(oup); VMOVDQU AA0, (1*32)(oup); VMOVDQU BB0, (2*32)(oup); VMOVDQU CC0, (3*32)(oup) - VPERM2I128 $0x02, AA1, BB1, AA0; VPERM2I128 $0x02, CC1, DD1, BB0; VPERM2I128 $0x13, AA1, BB1, CC0; VPERM2I128 $0x13, CC1, DD1, DD0 - VPXOR (4*32)(inp), AA0, AA0; VPXOR (5*32)(inp), BB0, BB0; VPXOR (6*32)(inp), CC0, CC0; VPXOR (7*32)(inp), DD0, DD0 - VMOVDQU AA0, (4*32)(oup); VMOVDQU BB0, (5*32)(oup); VMOVDQU CC0, (6*32)(oup); VMOVDQU DD0, (7*32)(oup) + ADDQ (DI), R10 + ADCQ 8(DI), R11 + ADCQ $0x01, R12 + MOVQ (BP), DX + MOVQ DX, R15 + MULXQ R10, R13, R14 + IMULQ R12, R15 + MULXQ R11, AX, DX + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), DX + MULXQ R10, R10, AX + ADDQ R10, R14 + MULXQ R11, R11, R8 + ADCQ R11, R15 + ADCQ $0x00, R8 + IMULQ R12, DX + ADDQ AX, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + LEAQ 32(DI), DI + VPERM2I128 $0x02, Y0, Y14, Y15 + VPERM2I128 $0x13, Y0, Y14, Y14 + VPERM2I128 $0x02, Y12, Y4, Y0 + VPERM2I128 $0x13, Y12, Y4, Y12 + VPXOR (SI), Y15, Y15 + VPXOR 32(SI), Y0, Y0 + VPXOR 64(SI), Y14, Y14 + VPXOR 96(SI), Y12, Y12 + VMOVDQU Y15, (DI) + VMOVDQU Y0, 32(DI) + VMOVDQU Y14, 64(DI) + VMOVDQU Y12, 96(DI) + VPERM2I128 $0x02, Y5, Y9, Y0 + VPERM2I128 $0x02, Y13, Y1, Y14 + VPERM2I128 $0x13, Y5, Y9, Y12 + VPERM2I128 $0x13, Y13, Y1, Y4 + VPXOR 128(SI), Y0, Y0 + VPXOR 160(SI), Y14, Y14 + VPXOR 192(SI), Y12, Y12 + VPXOR 224(SI), Y4, Y4 + VMOVDQU Y0, 128(DI) + VMOVDQU Y14, 160(DI) + VMOVDQU Y12, 192(DI) + VMOVDQU Y4, 224(DI) // and here - polyAdd(-2*8(oup)) - polyMulAVX2 - VPERM2I128 $0x02, AA2, BB2, AA0; VPERM2I128 $0x02, CC2, DD2, BB0; VPERM2I128 $0x13, AA2, BB2, CC0; VPERM2I128 $0x13, CC2, DD2, DD0 - VPXOR (8*32)(inp), AA0, AA0; VPXOR (9*32)(inp), BB0, BB0; VPXOR (10*32)(inp), CC0, CC0; VPXOR (11*32)(inp), DD0, DD0 - VMOVDQU AA0, (8*32)(oup); VMOVDQU BB0, (9*32)(oup); VMOVDQU CC0, (10*32)(oup); VMOVDQU DD0, (11*32)(oup) - VPERM2I128 $0x02, AA3, BB3, AA0; VPERM2I128 $0x02, tmpStoreAVX2, DD3, BB0; VPERM2I128 $0x13, AA3, BB3, CC0; VPERM2I128 $0x13, tmpStoreAVX2, DD3, DD0 - VPXOR (12*32)(inp), AA0, AA0; VPXOR (13*32)(inp), BB0, BB0; VPXOR (14*32)(inp), CC0, CC0; VPXOR (15*32)(inp), DD0, DD0 - VMOVDQU AA0, (12*32)(oup); VMOVDQU BB0, (13*32)(oup); VMOVDQU CC0, (14*32)(oup); VMOVDQU DD0, (15*32)(oup) - LEAQ (32*16)(inp), inp - SUBQ $(32*16), inl - CMPQ inl, $512 + ADDQ -16(DI), R10 + ADCQ -8(DI), R11 + ADCQ $0x01, R12 + MOVQ (BP), DX + MOVQ DX, R15 + MULXQ R10, R13, R14 + IMULQ R12, R15 + MULXQ R11, AX, DX + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), DX + MULXQ R10, R10, AX + ADDQ R10, R14 + MULXQ R11, R11, R8 + ADCQ R11, R15 + ADCQ $0x00, R8 + IMULQ R12, DX + ADDQ AX, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + VPERM2I128 $0x02, Y6, Y10, Y0 + VPERM2I128 $0x02, Y8, Y2, Y14 + VPERM2I128 $0x13, Y6, Y10, Y12 + VPERM2I128 $0x13, Y8, Y2, Y4 + VPXOR 256(SI), Y0, Y0 + VPXOR 288(SI), Y14, Y14 + VPXOR 320(SI), Y12, Y12 + VPXOR 352(SI), Y4, Y4 + VMOVDQU Y0, 256(DI) + VMOVDQU Y14, 288(DI) + VMOVDQU Y12, 320(DI) + VMOVDQU Y4, 352(DI) + VPERM2I128 $0x02, Y7, Y11, Y0 + VPERM2I128 $0x02, 224(BP), Y3, Y14 + VPERM2I128 $0x13, Y7, Y11, Y12 + VPERM2I128 $0x13, 224(BP), Y3, Y4 + VPXOR 384(SI), Y0, Y0 + VPXOR 416(SI), Y14, Y14 + VPXOR 448(SI), Y12, Y12 + VPXOR 480(SI), Y4, Y4 + VMOVDQU Y0, 384(DI) + VMOVDQU Y14, 416(DI) + VMOVDQU Y12, 448(DI) + VMOVDQU Y4, 480(DI) + LEAQ 512(SI), SI + SUBQ $0x00000200, BX + CMPQ BX, $0x00000200 JG sealAVX2MainLoop // Tail can only hash 480 bytes - polyAdd(0*8(oup)) - polyMulAVX2 - polyAdd(2*8(oup)) - polyMulAVX2 - LEAQ 32(oup), oup - - MOVQ $10, itr1 - MOVQ $0, itr2 - CMPQ inl, $128 - JBE sealAVX2Tail128 - CMPQ inl, $256 - JBE sealAVX2Tail256 - CMPQ inl, $384 - JBE sealAVX2Tail384 - JMP sealAVX2Tail512 - -// ---------------------------------------------------------------------------- -// Special optimization for buffers smaller than 193 bytes + ADDQ (DI), R10 + ADCQ 8(DI), R11 + ADCQ $0x01, R12 + MOVQ (BP), DX + MOVQ DX, R15 + MULXQ R10, R13, R14 + IMULQ R12, R15 + MULXQ R11, AX, DX + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), DX + MULXQ R10, R10, AX + ADDQ R10, R14 + MULXQ R11, R11, R8 + ADCQ R11, R15 + ADCQ $0x00, R8 + IMULQ R12, DX + ADDQ AX, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + ADDQ 16(DI), R10 + ADCQ 24(DI), R11 + ADCQ $0x01, R12 + MOVQ (BP), DX + MOVQ DX, R15 + MULXQ R10, R13, R14 + IMULQ R12, R15 + MULXQ R11, AX, DX + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), DX + MULXQ R10, R10, AX + ADDQ R10, R14 + MULXQ R11, R11, R8 + ADCQ R11, R15 + ADCQ $0x00, R8 + IMULQ R12, DX + ADDQ AX, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + LEAQ 32(DI), DI + MOVQ $0x0000000a, CX + MOVQ $0x00000000, R9 + CMPQ BX, $0x80 + JBE sealAVX2Tail128 + CMPQ BX, $0x00000100 + JBE sealAVX2Tail256 + CMPQ BX, $0x00000180 + JBE sealAVX2Tail384 + JMP sealAVX2Tail512 + seal192AVX2: - // For up to 192 bytes of ciphertext and 64 bytes for the poly key, we process four blocks - VMOVDQA AA0, AA1 - VMOVDQA BB0, BB1 - VMOVDQA CC0, CC1 - VPADDD ·avx2IncMask<>(SB), DD0, DD1 - VMOVDQA AA0, AA2 - VMOVDQA BB0, BB2 - VMOVDQA CC0, CC2 - VMOVDQA DD0, DD2 - VMOVDQA DD1, TT3 - MOVQ $10, itr2 + VMOVDQA Y0, Y5 + VMOVDQA Y14, Y9 + VMOVDQA Y12, Y13 + VPADDD ·avx2IncMask<>+0(SB), Y4, Y1 + VMOVDQA Y0, Y6 + VMOVDQA Y14, Y10 + VMOVDQA Y12, Y8 + VMOVDQA Y4, Y2 + VMOVDQA Y1, Y15 + MOVQ $0x0000000a, R9 sealAVX2192InnerCipherLoop: - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0); chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0) - VPALIGNR $4, BB0, BB0, BB0; VPALIGNR $4, BB1, BB1, BB1 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1 - VPALIGNR $12, DD0, DD0, DD0; VPALIGNR $12, DD1, DD1, DD1 - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0); chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0) - VPALIGNR $12, BB0, BB0, BB0; VPALIGNR $12, BB1, BB1, BB1 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1 - VPALIGNR $4, DD0, DD0, DD0; VPALIGNR $4, DD1, DD1, DD1 - DECQ itr2 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x0c, Y14, Y3 + VPSRLD $0x14, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol8<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x07, Y14, Y3 + VPSRLD $0x19, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol16<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x0c, Y9, Y3 + VPSRLD $0x14, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol8<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x07, Y9, Y3 + VPSRLD $0x19, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPALIGNR $0x04, Y14, Y14, Y14 + VPALIGNR $0x04, Y9, Y9, Y9 + VPALIGNR $0x08, Y12, Y12, Y12 + VPALIGNR $0x08, Y13, Y13, Y13 + VPALIGNR $0x0c, Y4, Y4, Y4 + VPALIGNR $0x0c, Y1, Y1, Y1 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x0c, Y14, Y3 + VPSRLD $0x14, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol8<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x07, Y14, Y3 + VPSRLD $0x19, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol16<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x0c, Y9, Y3 + VPSRLD $0x14, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol8<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x07, Y9, Y3 + VPSRLD $0x19, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPALIGNR $0x0c, Y14, Y14, Y14 + VPALIGNR $0x0c, Y9, Y9, Y9 + VPALIGNR $0x08, Y12, Y12, Y12 + VPALIGNR $0x08, Y13, Y13, Y13 + VPALIGNR $0x04, Y4, Y4, Y4 + VPALIGNR $0x04, Y1, Y1, Y1 + DECQ R9 JNE sealAVX2192InnerCipherLoop - VPADDD AA2, AA0, AA0; VPADDD AA2, AA1, AA1 - VPADDD BB2, BB0, BB0; VPADDD BB2, BB1, BB1 - VPADDD CC2, CC0, CC0; VPADDD CC2, CC1, CC1 - VPADDD DD2, DD0, DD0; VPADDD TT3, DD1, DD1 - VPERM2I128 $0x02, AA0, BB0, TT0 + VPADDD Y6, Y0, Y0 + VPADDD Y6, Y5, Y5 + VPADDD Y10, Y14, Y14 + VPADDD Y10, Y9, Y9 + VPADDD Y8, Y12, Y12 + VPADDD Y8, Y13, Y13 + VPADDD Y2, Y4, Y4 + VPADDD Y15, Y1, Y1 + VPERM2I128 $0x02, Y0, Y14, Y3 // Clamp and store poly key - VPAND ·polyClampMask<>(SB), TT0, TT0 - VMOVDQA TT0, rsStoreAVX2 + VPAND ·polyClampMask<>+0(SB), Y3, Y3 + VMOVDQA Y3, (BP) // Stream for up to 192 bytes - VPERM2I128 $0x13, AA0, BB0, AA0 - VPERM2I128 $0x13, CC0, DD0, BB0 - VPERM2I128 $0x02, AA1, BB1, CC0 - VPERM2I128 $0x02, CC1, DD1, DD0 - VPERM2I128 $0x13, AA1, BB1, AA1 - VPERM2I128 $0x13, CC1, DD1, BB1 + VPERM2I128 $0x13, Y0, Y14, Y0 + VPERM2I128 $0x13, Y12, Y4, Y14 + VPERM2I128 $0x02, Y5, Y9, Y12 + VPERM2I128 $0x02, Y13, Y1, Y4 + VPERM2I128 $0x13, Y5, Y9, Y5 + VPERM2I128 $0x13, Y13, Y1, Y9 sealAVX2ShortSeal: // Hash aad - MOVQ ad_len+80(FP), itr2 + MOVQ ad_len+80(FP), R9 CALL polyHashADInternal<>(SB) - XORQ itr1, itr1 + XORQ CX, CX sealAVX2SealHash: // itr1 holds the number of bytes encrypted but not yet hashed - CMPQ itr1, $16 - JB sealAVX2ShortSealLoop - polyAdd(0(oup)) - polyMul - SUBQ $16, itr1 - ADDQ $16, oup - JMP sealAVX2SealHash + CMPQ CX, $0x10 + JB sealAVX2ShortSealLoop + ADDQ (DI), R10 + ADCQ 8(DI), R11 + ADCQ $0x01, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + SUBQ $0x10, CX + ADDQ $0x10, DI + JMP sealAVX2SealHash sealAVX2ShortSealLoop: - CMPQ inl, $32 + CMPQ BX, $0x20 JB sealAVX2ShortTail32 - SUBQ $32, inl + SUBQ $0x20, BX // Load for encryption - VPXOR (inp), AA0, AA0 - VMOVDQU AA0, (oup) - LEAQ (1*32)(inp), inp + VPXOR (SI), Y0, Y0 + VMOVDQU Y0, (DI) + LEAQ 32(SI), SI // Now can hash - polyAdd(0*8(oup)) - polyMulAVX2 - polyAdd(2*8(oup)) - polyMulAVX2 - LEAQ (1*32)(oup), oup + ADDQ (DI), R10 + ADCQ 8(DI), R11 + ADCQ $0x01, R12 + MOVQ (BP), DX + MOVQ DX, R15 + MULXQ R10, R13, R14 + IMULQ R12, R15 + MULXQ R11, AX, DX + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), DX + MULXQ R10, R10, AX + ADDQ R10, R14 + MULXQ R11, R11, R8 + ADCQ R11, R15 + ADCQ $0x00, R8 + IMULQ R12, DX + ADDQ AX, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + ADDQ 16(DI), R10 + ADCQ 24(DI), R11 + ADCQ $0x01, R12 + MOVQ (BP), DX + MOVQ DX, R15 + MULXQ R10, R13, R14 + IMULQ R12, R15 + MULXQ R11, AX, DX + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), DX + MULXQ R10, R10, AX + ADDQ R10, R14 + MULXQ R11, R11, R8 + ADCQ R11, R15 + ADCQ $0x00, R8 + IMULQ R12, DX + ADDQ AX, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + LEAQ 32(DI), DI // Shift stream left - VMOVDQA BB0, AA0 - VMOVDQA CC0, BB0 - VMOVDQA DD0, CC0 - VMOVDQA AA1, DD0 - VMOVDQA BB1, AA1 - VMOVDQA CC1, BB1 - VMOVDQA DD1, CC1 - VMOVDQA AA2, DD1 - VMOVDQA BB2, AA2 + VMOVDQA Y14, Y0 + VMOVDQA Y12, Y14 + VMOVDQA Y4, Y12 + VMOVDQA Y5, Y4 + VMOVDQA Y9, Y5 + VMOVDQA Y13, Y9 + VMOVDQA Y1, Y13 + VMOVDQA Y6, Y1 + VMOVDQA Y10, Y6 JMP sealAVX2ShortSealLoop sealAVX2ShortTail32: - CMPQ inl, $16 - VMOVDQA A0, A1 + CMPQ BX, $0x10 + VMOVDQA X0, X1 JB sealAVX2ShortDone - - SUBQ $16, inl + SUBQ $0x10, BX // Load for encryption - VPXOR (inp), A0, T0 - VMOVDQU T0, (oup) - LEAQ (1*16)(inp), inp + VPXOR (SI), X0, X12 + VMOVDQU X12, (DI) + LEAQ 16(SI), SI // Hash - polyAdd(0*8(oup)) - polyMulAVX2 - LEAQ (1*16)(oup), oup - VPERM2I128 $0x11, AA0, AA0, AA0 - VMOVDQA A0, A1 + ADDQ (DI), R10 + ADCQ 8(DI), R11 + ADCQ $0x01, R12 + MOVQ (BP), DX + MOVQ DX, R15 + MULXQ R10, R13, R14 + IMULQ R12, R15 + MULXQ R11, AX, DX + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), DX + MULXQ R10, R10, AX + ADDQ R10, R14 + MULXQ R11, R11, R8 + ADCQ R11, R15 + ADCQ $0x00, R8 + IMULQ R12, DX + ADDQ AX, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + LEAQ 16(DI), DI + VPERM2I128 $0x11, Y0, Y0, Y0 + VMOVDQA X0, X1 sealAVX2ShortDone: VZEROUPPER JMP sealSSETail -// ---------------------------------------------------------------------------- -// Special optimization for buffers smaller than 321 bytes seal320AVX2: - // For up to 320 bytes of ciphertext and 64 bytes for the poly key, we process six blocks - VMOVDQA AA0, AA1; VMOVDQA BB0, BB1; VMOVDQA CC0, CC1; VPADDD ·avx2IncMask<>(SB), DD0, DD1 - VMOVDQA AA0, AA2; VMOVDQA BB0, BB2; VMOVDQA CC0, CC2; VPADDD ·avx2IncMask<>(SB), DD1, DD2 - VMOVDQA BB0, TT1; VMOVDQA CC0, TT2; VMOVDQA DD0, TT3 - MOVQ $10, itr2 + VMOVDQA Y0, Y5 + VMOVDQA Y14, Y9 + VMOVDQA Y12, Y13 + VPADDD ·avx2IncMask<>+0(SB), Y4, Y1 + VMOVDQA Y0, Y6 + VMOVDQA Y14, Y10 + VMOVDQA Y12, Y8 + VPADDD ·avx2IncMask<>+0(SB), Y1, Y2 + VMOVDQA Y14, Y7 + VMOVDQA Y12, Y11 + VMOVDQA Y4, Y15 + MOVQ $0x0000000a, R9 sealAVX2320InnerCipherLoop: - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0); chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0); chachaQR_AVX2(AA2, BB2, CC2, DD2, TT0) - VPALIGNR $4, BB0, BB0, BB0; VPALIGNR $4, BB1, BB1, BB1; VPALIGNR $4, BB2, BB2, BB2 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $8, CC2, CC2, CC2 - VPALIGNR $12, DD0, DD0, DD0; VPALIGNR $12, DD1, DD1, DD1; VPALIGNR $12, DD2, DD2, DD2 - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0); chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0); chachaQR_AVX2(AA2, BB2, CC2, DD2, TT0) - VPALIGNR $12, BB0, BB0, BB0; VPALIGNR $12, BB1, BB1, BB1; VPALIGNR $12, BB2, BB2, BB2 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $8, CC2, CC2, CC2 - VPALIGNR $4, DD0, DD0, DD0; VPALIGNR $4, DD1, DD1, DD1; VPALIGNR $4, DD2, DD2, DD2 - DECQ itr2 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x0c, Y14, Y3 + VPSRLD $0x14, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol8<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x07, Y14, Y3 + VPSRLD $0x19, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol16<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x0c, Y9, Y3 + VPSRLD $0x14, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol8<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x07, Y9, Y3 + VPSRLD $0x19, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPADDD Y10, Y6, Y6 + VPXOR Y6, Y2, Y2 + VPSHUFB ·rol16<>+0(SB), Y2, Y2 + VPADDD Y2, Y8, Y8 + VPXOR Y8, Y10, Y10 + VPSLLD $0x0c, Y10, Y3 + VPSRLD $0x14, Y10, Y10 + VPXOR Y3, Y10, Y10 + VPADDD Y10, Y6, Y6 + VPXOR Y6, Y2, Y2 + VPSHUFB ·rol8<>+0(SB), Y2, Y2 + VPADDD Y2, Y8, Y8 + VPXOR Y8, Y10, Y10 + VPSLLD $0x07, Y10, Y3 + VPSRLD $0x19, Y10, Y10 + VPXOR Y3, Y10, Y10 + VPALIGNR $0x04, Y14, Y14, Y14 + VPALIGNR $0x04, Y9, Y9, Y9 + VPALIGNR $0x04, Y10, Y10, Y10 + VPALIGNR $0x08, Y12, Y12, Y12 + VPALIGNR $0x08, Y13, Y13, Y13 + VPALIGNR $0x08, Y8, Y8, Y8 + VPALIGNR $0x0c, Y4, Y4, Y4 + VPALIGNR $0x0c, Y1, Y1, Y1 + VPALIGNR $0x0c, Y2, Y2, Y2 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x0c, Y14, Y3 + VPSRLD $0x14, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol8<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x07, Y14, Y3 + VPSRLD $0x19, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol16<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x0c, Y9, Y3 + VPSRLD $0x14, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol8<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x07, Y9, Y3 + VPSRLD $0x19, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPADDD Y10, Y6, Y6 + VPXOR Y6, Y2, Y2 + VPSHUFB ·rol16<>+0(SB), Y2, Y2 + VPADDD Y2, Y8, Y8 + VPXOR Y8, Y10, Y10 + VPSLLD $0x0c, Y10, Y3 + VPSRLD $0x14, Y10, Y10 + VPXOR Y3, Y10, Y10 + VPADDD Y10, Y6, Y6 + VPXOR Y6, Y2, Y2 + VPSHUFB ·rol8<>+0(SB), Y2, Y2 + VPADDD Y2, Y8, Y8 + VPXOR Y8, Y10, Y10 + VPSLLD $0x07, Y10, Y3 + VPSRLD $0x19, Y10, Y10 + VPXOR Y3, Y10, Y10 + VPALIGNR $0x0c, Y14, Y14, Y14 + VPALIGNR $0x0c, Y9, Y9, Y9 + VPALIGNR $0x0c, Y10, Y10, Y10 + VPALIGNR $0x08, Y12, Y12, Y12 + VPALIGNR $0x08, Y13, Y13, Y13 + VPALIGNR $0x08, Y8, Y8, Y8 + VPALIGNR $0x04, Y4, Y4, Y4 + VPALIGNR $0x04, Y1, Y1, Y1 + VPALIGNR $0x04, Y2, Y2, Y2 + DECQ R9 JNE sealAVX2320InnerCipherLoop - - VMOVDQA ·chacha20Constants<>(SB), TT0 - VPADDD TT0, AA0, AA0; VPADDD TT0, AA1, AA1; VPADDD TT0, AA2, AA2 - VPADDD TT1, BB0, BB0; VPADDD TT1, BB1, BB1; VPADDD TT1, BB2, BB2 - VPADDD TT2, CC0, CC0; VPADDD TT2, CC1, CC1; VPADDD TT2, CC2, CC2 - VMOVDQA ·avx2IncMask<>(SB), TT0 - VPADDD TT3, DD0, DD0; VPADDD TT0, TT3, TT3 - VPADDD TT3, DD1, DD1; VPADDD TT0, TT3, TT3 - VPADDD TT3, DD2, DD2 + VMOVDQA ·chacha20Constants<>+0(SB), Y3 + VPADDD Y3, Y0, Y0 + VPADDD Y3, Y5, Y5 + VPADDD Y3, Y6, Y6 + VPADDD Y7, Y14, Y14 + VPADDD Y7, Y9, Y9 + VPADDD Y7, Y10, Y10 + VPADDD Y11, Y12, Y12 + VPADDD Y11, Y13, Y13 + VPADDD Y11, Y8, Y8 + VMOVDQA ·avx2IncMask<>+0(SB), Y3 + VPADDD Y15, Y4, Y4 + VPADDD Y3, Y15, Y15 + VPADDD Y15, Y1, Y1 + VPADDD Y3, Y15, Y15 + VPADDD Y15, Y2, Y2 // Clamp and store poly key - VPERM2I128 $0x02, AA0, BB0, TT0 - VPAND ·polyClampMask<>(SB), TT0, TT0 - VMOVDQA TT0, rsStoreAVX2 + VPERM2I128 $0x02, Y0, Y14, Y3 + VPAND ·polyClampMask<>+0(SB), Y3, Y3 + VMOVDQA Y3, (BP) // Stream for up to 320 bytes - VPERM2I128 $0x13, AA0, BB0, AA0 - VPERM2I128 $0x13, CC0, DD0, BB0 - VPERM2I128 $0x02, AA1, BB1, CC0 - VPERM2I128 $0x02, CC1, DD1, DD0 - VPERM2I128 $0x13, AA1, BB1, AA1 - VPERM2I128 $0x13, CC1, DD1, BB1 - VPERM2I128 $0x02, AA2, BB2, CC1 - VPERM2I128 $0x02, CC2, DD2, DD1 - VPERM2I128 $0x13, AA2, BB2, AA2 - VPERM2I128 $0x13, CC2, DD2, BB2 + VPERM2I128 $0x13, Y0, Y14, Y0 + VPERM2I128 $0x13, Y12, Y4, Y14 + VPERM2I128 $0x02, Y5, Y9, Y12 + VPERM2I128 $0x02, Y13, Y1, Y4 + VPERM2I128 $0x13, Y5, Y9, Y5 + VPERM2I128 $0x13, Y13, Y1, Y9 + VPERM2I128 $0x02, Y6, Y10, Y13 + VPERM2I128 $0x02, Y8, Y2, Y1 + VPERM2I128 $0x13, Y6, Y10, Y6 + VPERM2I128 $0x13, Y8, Y2, Y10 JMP sealAVX2ShortSeal -// ---------------------------------------------------------------------------- -// Special optimization for the last 128 bytes of ciphertext sealAVX2Tail128: - // Need to decrypt up to 128 bytes - prepare two blocks - // If we got here after the main loop - there are 512 encrypted bytes waiting to be hashed - // If we got here before the main loop - there are 448 encrpyred bytes waiting to be hashed - VMOVDQA ·chacha20Constants<>(SB), AA0 - VMOVDQA state1StoreAVX2, BB0 - VMOVDQA state2StoreAVX2, CC0 - VMOVDQA ctr3StoreAVX2, DD0 - VPADDD ·avx2IncMask<>(SB), DD0, DD0 - VMOVDQA DD0, DD1 + VMOVDQA ·chacha20Constants<>+0(SB), Y0 + VMOVDQA 32(BP), Y14 + VMOVDQA 64(BP), Y12 + VMOVDQA 192(BP), Y4 + VPADDD ·avx2IncMask<>+0(SB), Y4, Y4 + VMOVDQA Y4, Y1 sealAVX2Tail128LoopA: - polyAdd(0(oup)) - polyMul - LEAQ 16(oup), oup + ADDQ (DI), R10 + ADCQ 8(DI), R11 + ADCQ $0x01, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + LEAQ 16(DI), DI sealAVX2Tail128LoopB: - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0) - polyAdd(0(oup)) - polyMul - VPALIGNR $4, BB0, BB0, BB0 - VPALIGNR $8, CC0, CC0, CC0 - VPALIGNR $12, DD0, DD0, DD0 - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0) - polyAdd(16(oup)) - polyMul - LEAQ 32(oup), oup - VPALIGNR $12, BB0, BB0, BB0 - VPALIGNR $8, CC0, CC0, CC0 - VPALIGNR $4, DD0, DD0, DD0 - DECQ itr1 - JG sealAVX2Tail128LoopA - DECQ itr2 - JGE sealAVX2Tail128LoopB - - VPADDD ·chacha20Constants<>(SB), AA0, AA1 - VPADDD state1StoreAVX2, BB0, BB1 - VPADDD state2StoreAVX2, CC0, CC1 - VPADDD DD1, DD0, DD1 - - VPERM2I128 $0x02, AA1, BB1, AA0 - VPERM2I128 $0x02, CC1, DD1, BB0 - VPERM2I128 $0x13, AA1, BB1, CC0 - VPERM2I128 $0x13, CC1, DD1, DD0 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x0c, Y14, Y3 + VPSRLD $0x14, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol8<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x07, Y14, Y3 + VPSRLD $0x19, Y14, Y14 + VPXOR Y3, Y14, Y14 + ADDQ (DI), R10 + ADCQ 8(DI), R11 + ADCQ $0x01, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + VPALIGNR $0x04, Y14, Y14, Y14 + VPALIGNR $0x08, Y12, Y12, Y12 + VPALIGNR $0x0c, Y4, Y4, Y4 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x0c, Y14, Y3 + VPSRLD $0x14, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol8<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x07, Y14, Y3 + VPSRLD $0x19, Y14, Y14 + VPXOR Y3, Y14, Y14 + ADDQ 16(DI), R10 + ADCQ 24(DI), R11 + ADCQ $0x01, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + LEAQ 32(DI), DI + VPALIGNR $0x0c, Y14, Y14, Y14 + VPALIGNR $0x08, Y12, Y12, Y12 + VPALIGNR $0x04, Y4, Y4, Y4 + DECQ CX + JG sealAVX2Tail128LoopA + DECQ R9 + JGE sealAVX2Tail128LoopB + VPADDD ·chacha20Constants<>+0(SB), Y0, Y5 + VPADDD 32(BP), Y14, Y9 + VPADDD 64(BP), Y12, Y13 + VPADDD Y1, Y4, Y1 + VPERM2I128 $0x02, Y5, Y9, Y0 + VPERM2I128 $0x02, Y13, Y1, Y14 + VPERM2I128 $0x13, Y5, Y9, Y12 + VPERM2I128 $0x13, Y13, Y1, Y4 JMP sealAVX2ShortSealLoop -// ---------------------------------------------------------------------------- -// Special optimization for the last 256 bytes of ciphertext sealAVX2Tail256: - // Need to decrypt up to 256 bytes - prepare two blocks - // If we got here after the main loop - there are 512 encrypted bytes waiting to be hashed - // If we got here before the main loop - there are 448 encrpyred bytes waiting to be hashed - VMOVDQA ·chacha20Constants<>(SB), AA0; VMOVDQA ·chacha20Constants<>(SB), AA1 - VMOVDQA state1StoreAVX2, BB0; VMOVDQA state1StoreAVX2, BB1 - VMOVDQA state2StoreAVX2, CC0; VMOVDQA state2StoreAVX2, CC1 - VMOVDQA ctr3StoreAVX2, DD0 - VPADDD ·avx2IncMask<>(SB), DD0, DD0 - VPADDD ·avx2IncMask<>(SB), DD0, DD1 - VMOVDQA DD0, TT1 - VMOVDQA DD1, TT2 + VMOVDQA ·chacha20Constants<>+0(SB), Y0 + VMOVDQA ·chacha20Constants<>+0(SB), Y5 + VMOVDQA 32(BP), Y14 + VMOVDQA 32(BP), Y9 + VMOVDQA 64(BP), Y12 + VMOVDQA 64(BP), Y13 + VMOVDQA 192(BP), Y4 + VPADDD ·avx2IncMask<>+0(SB), Y4, Y4 + VPADDD ·avx2IncMask<>+0(SB), Y4, Y1 + VMOVDQA Y4, Y7 + VMOVDQA Y1, Y11 sealAVX2Tail256LoopA: - polyAdd(0(oup)) - polyMul - LEAQ 16(oup), oup + ADDQ (DI), R10 + ADCQ 8(DI), R11 + ADCQ $0x01, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + LEAQ 16(DI), DI sealAVX2Tail256LoopB: - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0); chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0) - polyAdd(0(oup)) - polyMul - VPALIGNR $4, BB0, BB0, BB0; VPALIGNR $4, BB1, BB1, BB1 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1 - VPALIGNR $12, DD0, DD0, DD0; VPALIGNR $12, DD1, DD1, DD1 - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0); chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0) - polyAdd(16(oup)) - polyMul - LEAQ 32(oup), oup - VPALIGNR $12, BB0, BB0, BB0; VPALIGNR $12, BB1, BB1, BB1 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1 - VPALIGNR $4, DD0, DD0, DD0; VPALIGNR $4, DD1, DD1, DD1 - DECQ itr1 - JG sealAVX2Tail256LoopA - DECQ itr2 - JGE sealAVX2Tail256LoopB - - VPADDD ·chacha20Constants<>(SB), AA0, AA0; VPADDD ·chacha20Constants<>(SB), AA1, AA1 - VPADDD state1StoreAVX2, BB0, BB0; VPADDD state1StoreAVX2, BB1, BB1 - VPADDD state2StoreAVX2, CC0, CC0; VPADDD state2StoreAVX2, CC1, CC1 - VPADDD TT1, DD0, DD0; VPADDD TT2, DD1, DD1 - VPERM2I128 $0x02, AA0, BB0, TT0 - VPERM2I128 $0x02, CC0, DD0, TT1 - VPERM2I128 $0x13, AA0, BB0, TT2 - VPERM2I128 $0x13, CC0, DD0, TT3 - VPXOR (0*32)(inp), TT0, TT0; VPXOR (1*32)(inp), TT1, TT1; VPXOR (2*32)(inp), TT2, TT2; VPXOR (3*32)(inp), TT3, TT3 - VMOVDQU TT0, (0*32)(oup); VMOVDQU TT1, (1*32)(oup); VMOVDQU TT2, (2*32)(oup); VMOVDQU TT3, (3*32)(oup) - MOVQ $128, itr1 - LEAQ 128(inp), inp - SUBQ $128, inl - VPERM2I128 $0x02, AA1, BB1, AA0 - VPERM2I128 $0x02, CC1, DD1, BB0 - VPERM2I128 $0x13, AA1, BB1, CC0 - VPERM2I128 $0x13, CC1, DD1, DD0 - - JMP sealAVX2SealHash - -// ---------------------------------------------------------------------------- -// Special optimization for the last 384 bytes of ciphertext + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x0c, Y14, Y3 + VPSRLD $0x14, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol8<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x07, Y14, Y3 + VPSRLD $0x19, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol16<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x0c, Y9, Y3 + VPSRLD $0x14, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol8<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x07, Y9, Y3 + VPSRLD $0x19, Y9, Y9 + VPXOR Y3, Y9, Y9 + ADDQ (DI), R10 + ADCQ 8(DI), R11 + ADCQ $0x01, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + VPALIGNR $0x04, Y14, Y14, Y14 + VPALIGNR $0x04, Y9, Y9, Y9 + VPALIGNR $0x08, Y12, Y12, Y12 + VPALIGNR $0x08, Y13, Y13, Y13 + VPALIGNR $0x0c, Y4, Y4, Y4 + VPALIGNR $0x0c, Y1, Y1, Y1 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x0c, Y14, Y3 + VPSRLD $0x14, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol8<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x07, Y14, Y3 + VPSRLD $0x19, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol16<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x0c, Y9, Y3 + VPSRLD $0x14, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol8<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x07, Y9, Y3 + VPSRLD $0x19, Y9, Y9 + VPXOR Y3, Y9, Y9 + ADDQ 16(DI), R10 + ADCQ 24(DI), R11 + ADCQ $0x01, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + LEAQ 32(DI), DI + VPALIGNR $0x0c, Y14, Y14, Y14 + VPALIGNR $0x0c, Y9, Y9, Y9 + VPALIGNR $0x08, Y12, Y12, Y12 + VPALIGNR $0x08, Y13, Y13, Y13 + VPALIGNR $0x04, Y4, Y4, Y4 + VPALIGNR $0x04, Y1, Y1, Y1 + DECQ CX + JG sealAVX2Tail256LoopA + DECQ R9 + JGE sealAVX2Tail256LoopB + VPADDD ·chacha20Constants<>+0(SB), Y0, Y0 + VPADDD ·chacha20Constants<>+0(SB), Y5, Y5 + VPADDD 32(BP), Y14, Y14 + VPADDD 32(BP), Y9, Y9 + VPADDD 64(BP), Y12, Y12 + VPADDD 64(BP), Y13, Y13 + VPADDD Y7, Y4, Y4 + VPADDD Y11, Y1, Y1 + VPERM2I128 $0x02, Y0, Y14, Y3 + VPERM2I128 $0x02, Y12, Y4, Y7 + VPERM2I128 $0x13, Y0, Y14, Y11 + VPERM2I128 $0x13, Y12, Y4, Y15 + VPXOR (SI), Y3, Y3 + VPXOR 32(SI), Y7, Y7 + VPXOR 64(SI), Y11, Y11 + VPXOR 96(SI), Y15, Y15 + VMOVDQU Y3, (DI) + VMOVDQU Y7, 32(DI) + VMOVDQU Y11, 64(DI) + VMOVDQU Y15, 96(DI) + MOVQ $0x00000080, CX + LEAQ 128(SI), SI + SUBQ $0x80, BX + VPERM2I128 $0x02, Y5, Y9, Y0 + VPERM2I128 $0x02, Y13, Y1, Y14 + VPERM2I128 $0x13, Y5, Y9, Y12 + VPERM2I128 $0x13, Y13, Y1, Y4 + JMP sealAVX2SealHash + sealAVX2Tail384: - // Need to decrypt up to 384 bytes - prepare two blocks - // If we got here after the main loop - there are 512 encrypted bytes waiting to be hashed - // If we got here before the main loop - there are 448 encrpyred bytes waiting to be hashed - VMOVDQA ·chacha20Constants<>(SB), AA0; VMOVDQA AA0, AA1; VMOVDQA AA0, AA2 - VMOVDQA state1StoreAVX2, BB0; VMOVDQA BB0, BB1; VMOVDQA BB0, BB2 - VMOVDQA state2StoreAVX2, CC0; VMOVDQA CC0, CC1; VMOVDQA CC0, CC2 - VMOVDQA ctr3StoreAVX2, DD0 - VPADDD ·avx2IncMask<>(SB), DD0, DD0; VPADDD ·avx2IncMask<>(SB), DD0, DD1; VPADDD ·avx2IncMask<>(SB), DD1, DD2 - VMOVDQA DD0, TT1; VMOVDQA DD1, TT2; VMOVDQA DD2, TT3 + VMOVDQA ·chacha20Constants<>+0(SB), Y0 + VMOVDQA Y0, Y5 + VMOVDQA Y0, Y6 + VMOVDQA 32(BP), Y14 + VMOVDQA Y14, Y9 + VMOVDQA Y14, Y10 + VMOVDQA 64(BP), Y12 + VMOVDQA Y12, Y13 + VMOVDQA Y12, Y8 + VMOVDQA 192(BP), Y4 + VPADDD ·avx2IncMask<>+0(SB), Y4, Y4 + VPADDD ·avx2IncMask<>+0(SB), Y4, Y1 + VPADDD ·avx2IncMask<>+0(SB), Y1, Y2 + VMOVDQA Y4, Y7 + VMOVDQA Y1, Y11 + VMOVDQA Y2, Y15 sealAVX2Tail384LoopA: - polyAdd(0(oup)) - polyMul - LEAQ 16(oup), oup + ADDQ (DI), R10 + ADCQ 8(DI), R11 + ADCQ $0x01, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + LEAQ 16(DI), DI sealAVX2Tail384LoopB: - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0); chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0); chachaQR_AVX2(AA2, BB2, CC2, DD2, TT0) - polyAdd(0(oup)) - polyMul - VPALIGNR $4, BB0, BB0, BB0; VPALIGNR $4, BB1, BB1, BB1; VPALIGNR $4, BB2, BB2, BB2 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $8, CC2, CC2, CC2 - VPALIGNR $12, DD0, DD0, DD0; VPALIGNR $12, DD1, DD1, DD1; VPALIGNR $12, DD2, DD2, DD2 - chachaQR_AVX2(AA0, BB0, CC0, DD0, TT0); chachaQR_AVX2(AA1, BB1, CC1, DD1, TT0); chachaQR_AVX2(AA2, BB2, CC2, DD2, TT0) - polyAdd(16(oup)) - polyMul - LEAQ 32(oup), oup - VPALIGNR $12, BB0, BB0, BB0; VPALIGNR $12, BB1, BB1, BB1; VPALIGNR $12, BB2, BB2, BB2 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $8, CC2, CC2, CC2 - VPALIGNR $4, DD0, DD0, DD0; VPALIGNR $4, DD1, DD1, DD1; VPALIGNR $4, DD2, DD2, DD2 - DECQ itr1 - JG sealAVX2Tail384LoopA - DECQ itr2 - JGE sealAVX2Tail384LoopB - - VPADDD ·chacha20Constants<>(SB), AA0, AA0; VPADDD ·chacha20Constants<>(SB), AA1, AA1; VPADDD ·chacha20Constants<>(SB), AA2, AA2 - VPADDD state1StoreAVX2, BB0, BB0; VPADDD state1StoreAVX2, BB1, BB1; VPADDD state1StoreAVX2, BB2, BB2 - VPADDD state2StoreAVX2, CC0, CC0; VPADDD state2StoreAVX2, CC1, CC1; VPADDD state2StoreAVX2, CC2, CC2 - VPADDD TT1, DD0, DD0; VPADDD TT2, DD1, DD1; VPADDD TT3, DD2, DD2 - VPERM2I128 $0x02, AA0, BB0, TT0 - VPERM2I128 $0x02, CC0, DD0, TT1 - VPERM2I128 $0x13, AA0, BB0, TT2 - VPERM2I128 $0x13, CC0, DD0, TT3 - VPXOR (0*32)(inp), TT0, TT0; VPXOR (1*32)(inp), TT1, TT1; VPXOR (2*32)(inp), TT2, TT2; VPXOR (3*32)(inp), TT3, TT3 - VMOVDQU TT0, (0*32)(oup); VMOVDQU TT1, (1*32)(oup); VMOVDQU TT2, (2*32)(oup); VMOVDQU TT3, (3*32)(oup) - VPERM2I128 $0x02, AA1, BB1, TT0 - VPERM2I128 $0x02, CC1, DD1, TT1 - VPERM2I128 $0x13, AA1, BB1, TT2 - VPERM2I128 $0x13, CC1, DD1, TT3 - VPXOR (4*32)(inp), TT0, TT0; VPXOR (5*32)(inp), TT1, TT1; VPXOR (6*32)(inp), TT2, TT2; VPXOR (7*32)(inp), TT3, TT3 - VMOVDQU TT0, (4*32)(oup); VMOVDQU TT1, (5*32)(oup); VMOVDQU TT2, (6*32)(oup); VMOVDQU TT3, (7*32)(oup) - MOVQ $256, itr1 - LEAQ 256(inp), inp - SUBQ $256, inl - VPERM2I128 $0x02, AA2, BB2, AA0 - VPERM2I128 $0x02, CC2, DD2, BB0 - VPERM2I128 $0x13, AA2, BB2, CC0 - VPERM2I128 $0x13, CC2, DD2, DD0 - - JMP sealAVX2SealHash - -// ---------------------------------------------------------------------------- -// Special optimization for the last 512 bytes of ciphertext + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x0c, Y14, Y3 + VPSRLD $0x14, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol8<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x07, Y14, Y3 + VPSRLD $0x19, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol16<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x0c, Y9, Y3 + VPSRLD $0x14, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol8<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x07, Y9, Y3 + VPSRLD $0x19, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPADDD Y10, Y6, Y6 + VPXOR Y6, Y2, Y2 + VPSHUFB ·rol16<>+0(SB), Y2, Y2 + VPADDD Y2, Y8, Y8 + VPXOR Y8, Y10, Y10 + VPSLLD $0x0c, Y10, Y3 + VPSRLD $0x14, Y10, Y10 + VPXOR Y3, Y10, Y10 + VPADDD Y10, Y6, Y6 + VPXOR Y6, Y2, Y2 + VPSHUFB ·rol8<>+0(SB), Y2, Y2 + VPADDD Y2, Y8, Y8 + VPXOR Y8, Y10, Y10 + VPSLLD $0x07, Y10, Y3 + VPSRLD $0x19, Y10, Y10 + VPXOR Y3, Y10, Y10 + ADDQ (DI), R10 + ADCQ 8(DI), R11 + ADCQ $0x01, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + VPALIGNR $0x04, Y14, Y14, Y14 + VPALIGNR $0x04, Y9, Y9, Y9 + VPALIGNR $0x04, Y10, Y10, Y10 + VPALIGNR $0x08, Y12, Y12, Y12 + VPALIGNR $0x08, Y13, Y13, Y13 + VPALIGNR $0x08, Y8, Y8, Y8 + VPALIGNR $0x0c, Y4, Y4, Y4 + VPALIGNR $0x0c, Y1, Y1, Y1 + VPALIGNR $0x0c, Y2, Y2, Y2 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x0c, Y14, Y3 + VPSRLD $0x14, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y14, Y0, Y0 + VPXOR Y0, Y4, Y4 + VPSHUFB ·rol8<>+0(SB), Y4, Y4 + VPADDD Y4, Y12, Y12 + VPXOR Y12, Y14, Y14 + VPSLLD $0x07, Y14, Y3 + VPSRLD $0x19, Y14, Y14 + VPXOR Y3, Y14, Y14 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol16<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x0c, Y9, Y3 + VPSRLD $0x14, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPADDD Y9, Y5, Y5 + VPXOR Y5, Y1, Y1 + VPSHUFB ·rol8<>+0(SB), Y1, Y1 + VPADDD Y1, Y13, Y13 + VPXOR Y13, Y9, Y9 + VPSLLD $0x07, Y9, Y3 + VPSRLD $0x19, Y9, Y9 + VPXOR Y3, Y9, Y9 + VPADDD Y10, Y6, Y6 + VPXOR Y6, Y2, Y2 + VPSHUFB ·rol16<>+0(SB), Y2, Y2 + VPADDD Y2, Y8, Y8 + VPXOR Y8, Y10, Y10 + VPSLLD $0x0c, Y10, Y3 + VPSRLD $0x14, Y10, Y10 + VPXOR Y3, Y10, Y10 + VPADDD Y10, Y6, Y6 + VPXOR Y6, Y2, Y2 + VPSHUFB ·rol8<>+0(SB), Y2, Y2 + VPADDD Y2, Y8, Y8 + VPXOR Y8, Y10, Y10 + VPSLLD $0x07, Y10, Y3 + VPSRLD $0x19, Y10, Y10 + VPXOR Y3, Y10, Y10 + ADDQ 16(DI), R10 + ADCQ 24(DI), R11 + ADCQ $0x01, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + LEAQ 32(DI), DI + VPALIGNR $0x0c, Y14, Y14, Y14 + VPALIGNR $0x0c, Y9, Y9, Y9 + VPALIGNR $0x0c, Y10, Y10, Y10 + VPALIGNR $0x08, Y12, Y12, Y12 + VPALIGNR $0x08, Y13, Y13, Y13 + VPALIGNR $0x08, Y8, Y8, Y8 + VPALIGNR $0x04, Y4, Y4, Y4 + VPALIGNR $0x04, Y1, Y1, Y1 + VPALIGNR $0x04, Y2, Y2, Y2 + DECQ CX + JG sealAVX2Tail384LoopA + DECQ R9 + JGE sealAVX2Tail384LoopB + VPADDD ·chacha20Constants<>+0(SB), Y0, Y0 + VPADDD ·chacha20Constants<>+0(SB), Y5, Y5 + VPADDD ·chacha20Constants<>+0(SB), Y6, Y6 + VPADDD 32(BP), Y14, Y14 + VPADDD 32(BP), Y9, Y9 + VPADDD 32(BP), Y10, Y10 + VPADDD 64(BP), Y12, Y12 + VPADDD 64(BP), Y13, Y13 + VPADDD 64(BP), Y8, Y8 + VPADDD Y7, Y4, Y4 + VPADDD Y11, Y1, Y1 + VPADDD Y15, Y2, Y2 + VPERM2I128 $0x02, Y0, Y14, Y3 + VPERM2I128 $0x02, Y12, Y4, Y7 + VPERM2I128 $0x13, Y0, Y14, Y11 + VPERM2I128 $0x13, Y12, Y4, Y15 + VPXOR (SI), Y3, Y3 + VPXOR 32(SI), Y7, Y7 + VPXOR 64(SI), Y11, Y11 + VPXOR 96(SI), Y15, Y15 + VMOVDQU Y3, (DI) + VMOVDQU Y7, 32(DI) + VMOVDQU Y11, 64(DI) + VMOVDQU Y15, 96(DI) + VPERM2I128 $0x02, Y5, Y9, Y3 + VPERM2I128 $0x02, Y13, Y1, Y7 + VPERM2I128 $0x13, Y5, Y9, Y11 + VPERM2I128 $0x13, Y13, Y1, Y15 + VPXOR 128(SI), Y3, Y3 + VPXOR 160(SI), Y7, Y7 + VPXOR 192(SI), Y11, Y11 + VPXOR 224(SI), Y15, Y15 + VMOVDQU Y3, 128(DI) + VMOVDQU Y7, 160(DI) + VMOVDQU Y11, 192(DI) + VMOVDQU Y15, 224(DI) + MOVQ $0x00000100, CX + LEAQ 256(SI), SI + SUBQ $0x00000100, BX + VPERM2I128 $0x02, Y6, Y10, Y0 + VPERM2I128 $0x02, Y8, Y2, Y14 + VPERM2I128 $0x13, Y6, Y10, Y12 + VPERM2I128 $0x13, Y8, Y2, Y4 + JMP sealAVX2SealHash + sealAVX2Tail512: - // Need to decrypt up to 512 bytes - prepare two blocks - // If we got here after the main loop - there are 512 encrypted bytes waiting to be hashed - // If we got here before the main loop - there are 448 encrpyred bytes waiting to be hashed - VMOVDQA ·chacha20Constants<>(SB), AA0; VMOVDQA AA0, AA1; VMOVDQA AA0, AA2; VMOVDQA AA0, AA3 - VMOVDQA state1StoreAVX2, BB0; VMOVDQA BB0, BB1; VMOVDQA BB0, BB2; VMOVDQA BB0, BB3 - VMOVDQA state2StoreAVX2, CC0; VMOVDQA CC0, CC1; VMOVDQA CC0, CC2; VMOVDQA CC0, CC3 - VMOVDQA ctr3StoreAVX2, DD0 - VPADDD ·avx2IncMask<>(SB), DD0, DD0; VPADDD ·avx2IncMask<>(SB), DD0, DD1; VPADDD ·avx2IncMask<>(SB), DD1, DD2; VPADDD ·avx2IncMask<>(SB), DD2, DD3 - VMOVDQA DD0, ctr0StoreAVX2; VMOVDQA DD1, ctr1StoreAVX2; VMOVDQA DD2, ctr2StoreAVX2; VMOVDQA DD3, ctr3StoreAVX2 + VMOVDQA ·chacha20Constants<>+0(SB), Y0 + VMOVDQA Y0, Y5 + VMOVDQA Y0, Y6 + VMOVDQA Y0, Y7 + VMOVDQA 32(BP), Y14 + VMOVDQA Y14, Y9 + VMOVDQA Y14, Y10 + VMOVDQA Y14, Y11 + VMOVDQA 64(BP), Y12 + VMOVDQA Y12, Y13 + VMOVDQA Y12, Y8 + VMOVDQA Y12, Y15 + VMOVDQA 192(BP), Y4 + VPADDD ·avx2IncMask<>+0(SB), Y4, Y4 + VPADDD ·avx2IncMask<>+0(SB), Y4, Y1 + VPADDD ·avx2IncMask<>+0(SB), Y1, Y2 + VPADDD ·avx2IncMask<>+0(SB), Y2, Y3 + VMOVDQA Y4, 96(BP) + VMOVDQA Y1, 128(BP) + VMOVDQA Y2, 160(BP) + VMOVDQA Y3, 192(BP) sealAVX2Tail512LoopA: - polyAdd(0(oup)) - polyMul - LEAQ 16(oup), oup + ADDQ (DI), R10 + ADCQ 8(DI), R11 + ADCQ $0x01, R12 + MOVQ (BP), AX + MOVQ AX, R15 + MULQ R10 + MOVQ AX, R13 + MOVQ DX, R14 + MOVQ (BP), AX + MULQ R11 + IMULQ R12, R15 + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), AX + MOVQ AX, R8 + MULQ R10 + ADDQ AX, R14 + ADCQ $0x00, DX + MOVQ DX, R10 + MOVQ 8(BP), AX + MULQ R11 + ADDQ AX, R15 + ADCQ $0x00, DX + IMULQ R12, R8 + ADDQ R10, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + LEAQ 16(DI), DI sealAVX2Tail512LoopB: - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - VPSHUFB ·rol16<>(SB), DD0, DD0; VPSHUFB ·rol16<>(SB), DD1, DD1; VPSHUFB ·rol16<>(SB), DD2, DD2; VPSHUFB ·rol16<>(SB), DD3, DD3 - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $12, BB0, CC3; VPSRLD $20, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $12, BB1, CC3; VPSRLD $20, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $12, BB2, CC3; VPSRLD $20, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $12, BB3, CC3; VPSRLD $20, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - polyAdd(0*8(oup)) - polyMulAVX2 - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - VPSHUFB ·rol8<>(SB), DD0, DD0; VPSHUFB ·rol8<>(SB), DD1, DD1; VPSHUFB ·rol8<>(SB), DD2, DD2; VPSHUFB ·rol8<>(SB), DD3, DD3 - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $7, BB0, CC3; VPSRLD $25, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $7, BB1, CC3; VPSRLD $25, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $7, BB2, CC3; VPSRLD $25, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $7, BB3, CC3; VPSRLD $25, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - VPALIGNR $4, BB0, BB0, BB0; VPALIGNR $4, BB1, BB1, BB1; VPALIGNR $4, BB2, BB2, BB2; VPALIGNR $4, BB3, BB3, BB3 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $8, CC2, CC2, CC2; VPALIGNR $8, CC3, CC3, CC3 - VPALIGNR $12, DD0, DD0, DD0; VPALIGNR $12, DD1, DD1, DD1; VPALIGNR $12, DD2, DD2, DD2; VPALIGNR $12, DD3, DD3, DD3 - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - VPSHUFB ·rol16<>(SB), DD0, DD0; VPSHUFB ·rol16<>(SB), DD1, DD1; VPSHUFB ·rol16<>(SB), DD2, DD2; VPSHUFB ·rol16<>(SB), DD3, DD3 - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - polyAdd(2*8(oup)) - polyMulAVX2 - LEAQ (4*8)(oup), oup - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $12, BB0, CC3; VPSRLD $20, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $12, BB1, CC3; VPSRLD $20, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $12, BB2, CC3; VPSRLD $20, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $12, BB3, CC3; VPSRLD $20, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - VPADDD BB0, AA0, AA0; VPADDD BB1, AA1, AA1; VPADDD BB2, AA2, AA2; VPADDD BB3, AA3, AA3 - VPXOR AA0, DD0, DD0; VPXOR AA1, DD1, DD1; VPXOR AA2, DD2, DD2; VPXOR AA3, DD3, DD3 - VPSHUFB ·rol8<>(SB), DD0, DD0; VPSHUFB ·rol8<>(SB), DD1, DD1; VPSHUFB ·rol8<>(SB), DD2, DD2; VPSHUFB ·rol8<>(SB), DD3, DD3 - VPADDD DD0, CC0, CC0; VPADDD DD1, CC1, CC1; VPADDD DD2, CC2, CC2; VPADDD DD3, CC3, CC3 - VPXOR CC0, BB0, BB0; VPXOR CC1, BB1, BB1; VPXOR CC2, BB2, BB2; VPXOR CC3, BB3, BB3 - VMOVDQA CC3, tmpStoreAVX2 - VPSLLD $7, BB0, CC3; VPSRLD $25, BB0, BB0; VPXOR CC3, BB0, BB0 - VPSLLD $7, BB1, CC3; VPSRLD $25, BB1, BB1; VPXOR CC3, BB1, BB1 - VPSLLD $7, BB2, CC3; VPSRLD $25, BB2, BB2; VPXOR CC3, BB2, BB2 - VPSLLD $7, BB3, CC3; VPSRLD $25, BB3, BB3; VPXOR CC3, BB3, BB3 - VMOVDQA tmpStoreAVX2, CC3 - VPALIGNR $12, BB0, BB0, BB0; VPALIGNR $12, BB1, BB1, BB1; VPALIGNR $12, BB2, BB2, BB2; VPALIGNR $12, BB3, BB3, BB3 - VPALIGNR $8, CC0, CC0, CC0; VPALIGNR $8, CC1, CC1, CC1; VPALIGNR $8, CC2, CC2, CC2; VPALIGNR $8, CC3, CC3, CC3 - VPALIGNR $4, DD0, DD0, DD0; VPALIGNR $4, DD1, DD1, DD1; VPALIGNR $4, DD2, DD2, DD2; VPALIGNR $4, DD3, DD3, DD3 - - DECQ itr1 - JG sealAVX2Tail512LoopA - DECQ itr2 - JGE sealAVX2Tail512LoopB - - VPADDD ·chacha20Constants<>(SB), AA0, AA0; VPADDD ·chacha20Constants<>(SB), AA1, AA1; VPADDD ·chacha20Constants<>(SB), AA2, AA2; VPADDD ·chacha20Constants<>(SB), AA3, AA3 - VPADDD state1StoreAVX2, BB0, BB0; VPADDD state1StoreAVX2, BB1, BB1; VPADDD state1StoreAVX2, BB2, BB2; VPADDD state1StoreAVX2, BB3, BB3 - VPADDD state2StoreAVX2, CC0, CC0; VPADDD state2StoreAVX2, CC1, CC1; VPADDD state2StoreAVX2, CC2, CC2; VPADDD state2StoreAVX2, CC3, CC3 - VPADDD ctr0StoreAVX2, DD0, DD0; VPADDD ctr1StoreAVX2, DD1, DD1; VPADDD ctr2StoreAVX2, DD2, DD2; VPADDD ctr3StoreAVX2, DD3, DD3 - VMOVDQA CC3, tmpStoreAVX2 - VPERM2I128 $0x02, AA0, BB0, CC3 - VPXOR (0*32)(inp), CC3, CC3 - VMOVDQU CC3, (0*32)(oup) - VPERM2I128 $0x02, CC0, DD0, CC3 - VPXOR (1*32)(inp), CC3, CC3 - VMOVDQU CC3, (1*32)(oup) - VPERM2I128 $0x13, AA0, BB0, CC3 - VPXOR (2*32)(inp), CC3, CC3 - VMOVDQU CC3, (2*32)(oup) - VPERM2I128 $0x13, CC0, DD0, CC3 - VPXOR (3*32)(inp), CC3, CC3 - VMOVDQU CC3, (3*32)(oup) - - VPERM2I128 $0x02, AA1, BB1, AA0 - VPERM2I128 $0x02, CC1, DD1, BB0 - VPERM2I128 $0x13, AA1, BB1, CC0 - VPERM2I128 $0x13, CC1, DD1, DD0 - VPXOR (4*32)(inp), AA0, AA0; VPXOR (5*32)(inp), BB0, BB0; VPXOR (6*32)(inp), CC0, CC0; VPXOR (7*32)(inp), DD0, DD0 - VMOVDQU AA0, (4*32)(oup); VMOVDQU BB0, (5*32)(oup); VMOVDQU CC0, (6*32)(oup); VMOVDQU DD0, (7*32)(oup) - - VPERM2I128 $0x02, AA2, BB2, AA0 - VPERM2I128 $0x02, CC2, DD2, BB0 - VPERM2I128 $0x13, AA2, BB2, CC0 - VPERM2I128 $0x13, CC2, DD2, DD0 - VPXOR (8*32)(inp), AA0, AA0; VPXOR (9*32)(inp), BB0, BB0; VPXOR (10*32)(inp), CC0, CC0; VPXOR (11*32)(inp), DD0, DD0 - VMOVDQU AA0, (8*32)(oup); VMOVDQU BB0, (9*32)(oup); VMOVDQU CC0, (10*32)(oup); VMOVDQU DD0, (11*32)(oup) - - MOVQ $384, itr1 - LEAQ 384(inp), inp - SUBQ $384, inl - VPERM2I128 $0x02, AA3, BB3, AA0 - VPERM2I128 $0x02, tmpStoreAVX2, DD3, BB0 - VPERM2I128 $0x13, AA3, BB3, CC0 - VPERM2I128 $0x13, tmpStoreAVX2, DD3, DD0 - - JMP sealAVX2SealHash + VPADDD Y14, Y0, Y0 + VPADDD Y9, Y5, Y5 + VPADDD Y10, Y6, Y6 + VPADDD Y11, Y7, Y7 + VPXOR Y0, Y4, Y4 + VPXOR Y5, Y1, Y1 + VPXOR Y6, Y2, Y2 + VPXOR Y7, Y3, Y3 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y1, Y1 + VPSHUFB ·rol16<>+0(SB), Y2, Y2 + VPSHUFB ·rol16<>+0(SB), Y3, Y3 + VPADDD Y4, Y12, Y12 + VPADDD Y1, Y13, Y13 + VPADDD Y2, Y8, Y8 + VPADDD Y3, Y15, Y15 + VPXOR Y12, Y14, Y14 + VPXOR Y13, Y9, Y9 + VPXOR Y8, Y10, Y10 + VPXOR Y15, Y11, Y11 + VMOVDQA Y15, 224(BP) + VPSLLD $0x0c, Y14, Y15 + VPSRLD $0x14, Y14, Y14 + VPXOR Y15, Y14, Y14 + VPSLLD $0x0c, Y9, Y15 + VPSRLD $0x14, Y9, Y9 + VPXOR Y15, Y9, Y9 + VPSLLD $0x0c, Y10, Y15 + VPSRLD $0x14, Y10, Y10 + VPXOR Y15, Y10, Y10 + VPSLLD $0x0c, Y11, Y15 + VPSRLD $0x14, Y11, Y11 + VPXOR Y15, Y11, Y11 + VMOVDQA 224(BP), Y15 + ADDQ (DI), R10 + ADCQ 8(DI), R11 + ADCQ $0x01, R12 + MOVQ (BP), DX + MOVQ DX, R15 + MULXQ R10, R13, R14 + IMULQ R12, R15 + MULXQ R11, AX, DX + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), DX + MULXQ R10, R10, AX + ADDQ R10, R14 + MULXQ R11, R11, R8 + ADCQ R11, R15 + ADCQ $0x00, R8 + IMULQ R12, DX + ADDQ AX, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + VPADDD Y14, Y0, Y0 + VPADDD Y9, Y5, Y5 + VPADDD Y10, Y6, Y6 + VPADDD Y11, Y7, Y7 + VPXOR Y0, Y4, Y4 + VPXOR Y5, Y1, Y1 + VPXOR Y6, Y2, Y2 + VPXOR Y7, Y3, Y3 + VPSHUFB ·rol8<>+0(SB), Y4, Y4 + VPSHUFB ·rol8<>+0(SB), Y1, Y1 + VPSHUFB ·rol8<>+0(SB), Y2, Y2 + VPSHUFB ·rol8<>+0(SB), Y3, Y3 + VPADDD Y4, Y12, Y12 + VPADDD Y1, Y13, Y13 + VPADDD Y2, Y8, Y8 + VPADDD Y3, Y15, Y15 + VPXOR Y12, Y14, Y14 + VPXOR Y13, Y9, Y9 + VPXOR Y8, Y10, Y10 + VPXOR Y15, Y11, Y11 + VMOVDQA Y15, 224(BP) + VPSLLD $0x07, Y14, Y15 + VPSRLD $0x19, Y14, Y14 + VPXOR Y15, Y14, Y14 + VPSLLD $0x07, Y9, Y15 + VPSRLD $0x19, Y9, Y9 + VPXOR Y15, Y9, Y9 + VPSLLD $0x07, Y10, Y15 + VPSRLD $0x19, Y10, Y10 + VPXOR Y15, Y10, Y10 + VPSLLD $0x07, Y11, Y15 + VPSRLD $0x19, Y11, Y11 + VPXOR Y15, Y11, Y11 + VMOVDQA 224(BP), Y15 + VPALIGNR $0x04, Y14, Y14, Y14 + VPALIGNR $0x04, Y9, Y9, Y9 + VPALIGNR $0x04, Y10, Y10, Y10 + VPALIGNR $0x04, Y11, Y11, Y11 + VPALIGNR $0x08, Y12, Y12, Y12 + VPALIGNR $0x08, Y13, Y13, Y13 + VPALIGNR $0x08, Y8, Y8, Y8 + VPALIGNR $0x08, Y15, Y15, Y15 + VPALIGNR $0x0c, Y4, Y4, Y4 + VPALIGNR $0x0c, Y1, Y1, Y1 + VPALIGNR $0x0c, Y2, Y2, Y2 + VPALIGNR $0x0c, Y3, Y3, Y3 + VPADDD Y14, Y0, Y0 + VPADDD Y9, Y5, Y5 + VPADDD Y10, Y6, Y6 + VPADDD Y11, Y7, Y7 + VPXOR Y0, Y4, Y4 + VPXOR Y5, Y1, Y1 + VPXOR Y6, Y2, Y2 + VPXOR Y7, Y3, Y3 + VPSHUFB ·rol16<>+0(SB), Y4, Y4 + VPSHUFB ·rol16<>+0(SB), Y1, Y1 + VPSHUFB ·rol16<>+0(SB), Y2, Y2 + VPSHUFB ·rol16<>+0(SB), Y3, Y3 + VPADDD Y4, Y12, Y12 + VPADDD Y1, Y13, Y13 + VPADDD Y2, Y8, Y8 + VPADDD Y3, Y15, Y15 + VPXOR Y12, Y14, Y14 + VPXOR Y13, Y9, Y9 + VPXOR Y8, Y10, Y10 + VPXOR Y15, Y11, Y11 + ADDQ 16(DI), R10 + ADCQ 24(DI), R11 + ADCQ $0x01, R12 + MOVQ (BP), DX + MOVQ DX, R15 + MULXQ R10, R13, R14 + IMULQ R12, R15 + MULXQ R11, AX, DX + ADDQ AX, R14 + ADCQ DX, R15 + MOVQ 8(BP), DX + MULXQ R10, R10, AX + ADDQ R10, R14 + MULXQ R11, R11, R8 + ADCQ R11, R15 + ADCQ $0x00, R8 + IMULQ R12, DX + ADDQ AX, R15 + ADCQ DX, R8 + MOVQ R13, R10 + MOVQ R14, R11 + MOVQ R15, R12 + ANDQ $0x03, R12 + MOVQ R15, R13 + ANDQ $-4, R13 + MOVQ R8, R14 + SHRQ $0x02, R8, R15 + SHRQ $0x02, R8 + ADDQ R13, R10 + ADCQ R14, R11 + ADCQ $0x00, R12 + ADDQ R15, R10 + ADCQ R8, R11 + ADCQ $0x00, R12 + LEAQ 32(DI), DI + VMOVDQA Y15, 224(BP) + VPSLLD $0x0c, Y14, Y15 + VPSRLD $0x14, Y14, Y14 + VPXOR Y15, Y14, Y14 + VPSLLD $0x0c, Y9, Y15 + VPSRLD $0x14, Y9, Y9 + VPXOR Y15, Y9, Y9 + VPSLLD $0x0c, Y10, Y15 + VPSRLD $0x14, Y10, Y10 + VPXOR Y15, Y10, Y10 + VPSLLD $0x0c, Y11, Y15 + VPSRLD $0x14, Y11, Y11 + VPXOR Y15, Y11, Y11 + VMOVDQA 224(BP), Y15 + VPADDD Y14, Y0, Y0 + VPADDD Y9, Y5, Y5 + VPADDD Y10, Y6, Y6 + VPADDD Y11, Y7, Y7 + VPXOR Y0, Y4, Y4 + VPXOR Y5, Y1, Y1 + VPXOR Y6, Y2, Y2 + VPXOR Y7, Y3, Y3 + VPSHUFB ·rol8<>+0(SB), Y4, Y4 + VPSHUFB ·rol8<>+0(SB), Y1, Y1 + VPSHUFB ·rol8<>+0(SB), Y2, Y2 + VPSHUFB ·rol8<>+0(SB), Y3, Y3 + VPADDD Y4, Y12, Y12 + VPADDD Y1, Y13, Y13 + VPADDD Y2, Y8, Y8 + VPADDD Y3, Y15, Y15 + VPXOR Y12, Y14, Y14 + VPXOR Y13, Y9, Y9 + VPXOR Y8, Y10, Y10 + VPXOR Y15, Y11, Y11 + VMOVDQA Y15, 224(BP) + VPSLLD $0x07, Y14, Y15 + VPSRLD $0x19, Y14, Y14 + VPXOR Y15, Y14, Y14 + VPSLLD $0x07, Y9, Y15 + VPSRLD $0x19, Y9, Y9 + VPXOR Y15, Y9, Y9 + VPSLLD $0x07, Y10, Y15 + VPSRLD $0x19, Y10, Y10 + VPXOR Y15, Y10, Y10 + VPSLLD $0x07, Y11, Y15 + VPSRLD $0x19, Y11, Y11 + VPXOR Y15, Y11, Y11 + VMOVDQA 224(BP), Y15 + VPALIGNR $0x0c, Y14, Y14, Y14 + VPALIGNR $0x0c, Y9, Y9, Y9 + VPALIGNR $0x0c, Y10, Y10, Y10 + VPALIGNR $0x0c, Y11, Y11, Y11 + VPALIGNR $0x08, Y12, Y12, Y12 + VPALIGNR $0x08, Y13, Y13, Y13 + VPALIGNR $0x08, Y8, Y8, Y8 + VPALIGNR $0x08, Y15, Y15, Y15 + VPALIGNR $0x04, Y4, Y4, Y4 + VPALIGNR $0x04, Y1, Y1, Y1 + VPALIGNR $0x04, Y2, Y2, Y2 + VPALIGNR $0x04, Y3, Y3, Y3 + DECQ CX + JG sealAVX2Tail512LoopA + DECQ R9 + JGE sealAVX2Tail512LoopB + VPADDD ·chacha20Constants<>+0(SB), Y0, Y0 + VPADDD ·chacha20Constants<>+0(SB), Y5, Y5 + VPADDD ·chacha20Constants<>+0(SB), Y6, Y6 + VPADDD ·chacha20Constants<>+0(SB), Y7, Y7 + VPADDD 32(BP), Y14, Y14 + VPADDD 32(BP), Y9, Y9 + VPADDD 32(BP), Y10, Y10 + VPADDD 32(BP), Y11, Y11 + VPADDD 64(BP), Y12, Y12 + VPADDD 64(BP), Y13, Y13 + VPADDD 64(BP), Y8, Y8 + VPADDD 64(BP), Y15, Y15 + VPADDD 96(BP), Y4, Y4 + VPADDD 128(BP), Y1, Y1 + VPADDD 160(BP), Y2, Y2 + VPADDD 192(BP), Y3, Y3 + VMOVDQA Y15, 224(BP) + VPERM2I128 $0x02, Y0, Y14, Y15 + VPXOR (SI), Y15, Y15 + VMOVDQU Y15, (DI) + VPERM2I128 $0x02, Y12, Y4, Y15 + VPXOR 32(SI), Y15, Y15 + VMOVDQU Y15, 32(DI) + VPERM2I128 $0x13, Y0, Y14, Y15 + VPXOR 64(SI), Y15, Y15 + VMOVDQU Y15, 64(DI) + VPERM2I128 $0x13, Y12, Y4, Y15 + VPXOR 96(SI), Y15, Y15 + VMOVDQU Y15, 96(DI) + VPERM2I128 $0x02, Y5, Y9, Y0 + VPERM2I128 $0x02, Y13, Y1, Y14 + VPERM2I128 $0x13, Y5, Y9, Y12 + VPERM2I128 $0x13, Y13, Y1, Y4 + VPXOR 128(SI), Y0, Y0 + VPXOR 160(SI), Y14, Y14 + VPXOR 192(SI), Y12, Y12 + VPXOR 224(SI), Y4, Y4 + VMOVDQU Y0, 128(DI) + VMOVDQU Y14, 160(DI) + VMOVDQU Y12, 192(DI) + VMOVDQU Y4, 224(DI) + VPERM2I128 $0x02, Y6, Y10, Y0 + VPERM2I128 $0x02, Y8, Y2, Y14 + VPERM2I128 $0x13, Y6, Y10, Y12 + VPERM2I128 $0x13, Y8, Y2, Y4 + VPXOR 256(SI), Y0, Y0 + VPXOR 288(SI), Y14, Y14 + VPXOR 320(SI), Y12, Y12 + VPXOR 352(SI), Y4, Y4 + VMOVDQU Y0, 256(DI) + VMOVDQU Y14, 288(DI) + VMOVDQU Y12, 320(DI) + VMOVDQU Y4, 352(DI) + MOVQ $0x00000180, CX + LEAQ 384(SI), SI + SUBQ $0x00000180, BX + VPERM2I128 $0x02, Y7, Y11, Y0 + VPERM2I128 $0x02, 224(BP), Y3, Y14 + VPERM2I128 $0x13, Y7, Y11, Y12 + VPERM2I128 $0x13, 224(BP), Y3, Y4 + JMP sealAVX2SealHash diff --git a/vendor/golang.org/x/crypto/internal/poly1305/sum_amd64.s b/vendor/golang.org/x/crypto/internal/poly1305/sum_amd64.s index e0d3c647..13375738 100644 --- a/vendor/golang.org/x/crypto/internal/poly1305/sum_amd64.s +++ b/vendor/golang.org/x/crypto/internal/poly1305/sum_amd64.s @@ -1,108 +1,93 @@ -// Copyright 2012 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. +// Code generated by command: go run sum_amd64_asm.go -out ../sum_amd64.s -pkg poly1305. DO NOT EDIT. //go:build gc && !purego -#include "textflag.h" - -#define POLY1305_ADD(msg, h0, h1, h2) \ - ADDQ 0(msg), h0; \ - ADCQ 8(msg), h1; \ - ADCQ $1, h2; \ - LEAQ 16(msg), msg - -#define POLY1305_MUL(h0, h1, h2, r0, r1, t0, t1, t2, t3) \ - MOVQ r0, AX; \ - MULQ h0; \ - MOVQ AX, t0; \ - MOVQ DX, t1; \ - MOVQ r0, AX; \ - MULQ h1; \ - ADDQ AX, t1; \ - ADCQ $0, DX; \ - MOVQ r0, t2; \ - IMULQ h2, t2; \ - ADDQ DX, t2; \ - \ - MOVQ r1, AX; \ - MULQ h0; \ - ADDQ AX, t1; \ - ADCQ $0, DX; \ - MOVQ DX, h0; \ - MOVQ r1, t3; \ - IMULQ h2, t3; \ - MOVQ r1, AX; \ - MULQ h1; \ - ADDQ AX, t2; \ - ADCQ DX, t3; \ - ADDQ h0, t2; \ - ADCQ $0, t3; \ - \ - MOVQ t0, h0; \ - MOVQ t1, h1; \ - MOVQ t2, h2; \ - ANDQ $3, h2; \ - MOVQ t2, t0; \ - ANDQ $0xFFFFFFFFFFFFFFFC, t0; \ - ADDQ t0, h0; \ - ADCQ t3, h1; \ - ADCQ $0, h2; \ - SHRQ $2, t3, t2; \ - SHRQ $2, t3; \ - ADDQ t2, h0; \ - ADCQ t3, h1; \ - ADCQ $0, h2 - -// func update(state *[7]uint64, msg []byte) +// func update(state *macState, msg []byte) TEXT ·update(SB), $0-32 MOVQ state+0(FP), DI MOVQ msg_base+8(FP), SI MOVQ msg_len+16(FP), R15 - - MOVQ 0(DI), R8 // h0 - MOVQ 8(DI), R9 // h1 - MOVQ 16(DI), R10 // h2 - MOVQ 24(DI), R11 // r0 - MOVQ 32(DI), R12 // r1 - - CMPQ R15, $16 + MOVQ (DI), R8 + MOVQ 8(DI), R9 + MOVQ 16(DI), R10 + MOVQ 24(DI), R11 + MOVQ 32(DI), R12 + CMPQ R15, $0x10 JB bytes_between_0_and_15 loop: - POLY1305_ADD(SI, R8, R9, R10) + ADDQ (SI), R8 + ADCQ 8(SI), R9 + ADCQ $0x01, R10 + LEAQ 16(SI), SI multiply: - POLY1305_MUL(R8, R9, R10, R11, R12, BX, CX, R13, R14) - SUBQ $16, R15 - CMPQ R15, $16 - JAE loop + MOVQ R11, AX + MULQ R8 + MOVQ AX, BX + MOVQ DX, CX + MOVQ R11, AX + MULQ R9 + ADDQ AX, CX + ADCQ $0x00, DX + MOVQ R11, R13 + IMULQ R10, R13 + ADDQ DX, R13 + MOVQ R12, AX + MULQ R8 + ADDQ AX, CX + ADCQ $0x00, DX + MOVQ DX, R8 + MOVQ R12, R14 + IMULQ R10, R14 + MOVQ R12, AX + MULQ R9 + ADDQ AX, R13 + ADCQ DX, R14 + ADDQ R8, R13 + ADCQ $0x00, R14 + MOVQ BX, R8 + MOVQ CX, R9 + MOVQ R13, R10 + ANDQ $0x03, R10 + MOVQ R13, BX + ANDQ $-4, BX + ADDQ BX, R8 + ADCQ R14, R9 + ADCQ $0x00, R10 + SHRQ $0x02, R14, R13 + SHRQ $0x02, R14 + ADDQ R13, R8 + ADCQ R14, R9 + ADCQ $0x00, R10 + SUBQ $0x10, R15 + CMPQ R15, $0x10 + JAE loop bytes_between_0_and_15: TESTQ R15, R15 JZ done - MOVQ $1, BX + MOVQ $0x00000001, BX XORQ CX, CX XORQ R13, R13 ADDQ R15, SI flush_buffer: - SHLQ $8, BX, CX - SHLQ $8, BX + SHLQ $0x08, BX, CX + SHLQ $0x08, BX MOVB -1(SI), R13 XORQ R13, BX DECQ SI DECQ R15 JNZ flush_buffer - ADDQ BX, R8 ADCQ CX, R9 - ADCQ $0, R10 - MOVQ $16, R15 + ADCQ $0x00, R10 + MOVQ $0x00000010, R15 JMP multiply done: - MOVQ R8, 0(DI) + MOVQ R8, (DI) MOVQ R9, 8(DI) MOVQ R10, 16(DI) RET diff --git a/vendor/modules.txt b/vendor/modules.txt index 3013738e..5cebb883 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -453,7 +453,7 @@ go.uber.org/zap/internal/stacktrace go.uber.org/zap/internal/ztest go.uber.org/zap/zapcore go.uber.org/zap/zaptest -# golang.org/x/crypto v0.26.0 +# golang.org/x/crypto v0.27.0 ## explicit; go 1.20 golang.org/x/crypto/bcrypt golang.org/x/crypto/blowfish @@ -475,7 +475,7 @@ golang.org/x/mod/internal/lazyregexp golang.org/x/mod/modfile golang.org/x/mod/module golang.org/x/mod/semver -# golang.org/x/net v0.28.0 +# golang.org/x/net v0.29.0 ## explicit; go 1.18 golang.org/x/net/bpf golang.org/x/net/html