From 982279b366eccd9e4146036c7fcda7f72d2cbdff Mon Sep 17 00:00:00 2001
From: David Benjamin <davidben@google.com>
Date: Tue, 15 May 2018 18:44:57 -0400
Subject: [PATCH] Add a PKCS#12 fuzzer.

Change-Id: Iee3a3d46d283bd6cbb46940e630916aacdd71db6
Reviewed-on: https://boringssl-review.googlesource.com/28552
Reviewed-by: Adam Langley <agl@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
---
 crypto/pkcs8/pkcs12_test.cc                   |   6 +
 crypto/pkcs8/pkcs8_x509.c                     |   3 +
 fuzz/CMakeLists.txt                           | 139 ++++--------------
 fuzz/pkcs12.cc                                |  29 ++++
 .../04191202c1f7d978bcb3a4c1316d88b046689e31  | Bin 0 -> 2567 bytes
 .../7dbf598a00e4d22ac2ae1bc658fbc6596901d53f  | Bin 0 -> 2636 bytes
 .../aab806b45129f3284cf9598951cdd57a86e63ab5  | Bin 0 -> 2469 bytes
 .../fff673b3287ad0d26ffa212d14d94ce2d015c7ab  | Bin 0 -> 2566 bytes
 8 files changed, 66 insertions(+), 111 deletions(-)
 create mode 100644 fuzz/pkcs12.cc
 create mode 100644 fuzz/pkcs12_corpus/04191202c1f7d978bcb3a4c1316d88b046689e31
 create mode 100644 fuzz/pkcs12_corpus/7dbf598a00e4d22ac2ae1bc658fbc6596901d53f
 create mode 100644 fuzz/pkcs12_corpus/aab806b45129f3284cf9598951cdd57a86e63ab5
 create mode 100644 fuzz/pkcs12_corpus/fff673b3287ad0d26ffa212d14d94ce2d015c7ab

diff --git a/crypto/pkcs8/pkcs12_test.cc b/crypto/pkcs8/pkcs12_test.cc
index 5fb7903ae7..e6c0e56bcd 100644
--- a/crypto/pkcs8/pkcs12_test.cc
+++ b/crypto/pkcs8/pkcs12_test.cc
@@ -1234,11 +1234,17 @@ TEST(PKCS12Test, TestPBES2) {
 }
 
 TEST(PKCS12Test, TestEmptyPassword) {
+#if defined(BORINGSSL_UNSAFE_FUZZER_MODE)
+  return;  // The MAC check always passes in fuzzer mode.
+#endif
   TestImpl("EmptyPassword (empty password)", kEmptyPassword, "", nullptr);
   TestImpl("EmptyPassword (null password)", kEmptyPassword, nullptr, nullptr);
 }
 
 TEST(PKCS12Test, TestNullPassword) {
+#if defined(BORINGSSL_UNSAFE_FUZZER_MODE)
+  return;  // The MAC check always passes in fuzzer mode.
+#endif
   TestImpl("NullPassword (empty password)", kNullPassword, "", nullptr);
   TestImpl("NullPassword (null password)", kNullPassword, nullptr, nullptr);
 }
diff --git a/crypto/pkcs8/pkcs8_x509.c b/crypto/pkcs8/pkcs8_x509.c
index 3cdbddb92e..23aad09f3b 100644
--- a/crypto/pkcs8/pkcs8_x509.c
+++ b/crypto/pkcs8/pkcs8_x509.c
@@ -573,6 +573,9 @@ static int pkcs12_check_mac(int *out_mac_ok, const char *password,
   }
 
   *out_mac_ok = CBS_mem_equal(expected_mac, hmac, hmac_len);
+#if defined(BORINGSSL_UNSAFE_FUZZER_MODE)
+  *out_mac_ok = 1;
+#endif
   ret = 1;
 
 err:
diff --git a/fuzz/CMakeLists.txt b/fuzz/CMakeLists.txt
index eddb38c5b0..a269696112 100644
--- a/fuzz/CMakeLists.txt
+++ b/fuzz/CMakeLists.txt
@@ -2,127 +2,44 @@ include_directories(../include)
 
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-missing-prototypes")
 
-add_executable(
-  bn_mod_exp
+add_executable(bn_mod_exp bn_mod_exp.cc)
+target_link_libraries(bn_mod_exp Fuzzer crypto)
 
-  bn_mod_exp.cc
-)
+add_executable(bn_div bn_div.cc)
+target_link_libraries(bn_div Fuzzer crypto)
 
-target_link_libraries(bn_mod_exp Fuzzer)
-target_link_libraries(bn_mod_exp crypto)
+add_executable(privkey privkey.cc)
+target_link_libraries(privkey Fuzzer crypto)
 
-add_executable(
-  bn_div
+add_executable(cert cert.cc)
+target_link_libraries(cert Fuzzer crypto)
 
-  bn_div.cc
-)
+add_executable(spki spki.cc)
+target_link_libraries(spki Fuzzer crypto)
 
-target_link_libraries(bn_div Fuzzer)
-target_link_libraries(bn_div crypto)
+add_executable(pkcs8 pkcs8.cc)
+target_link_libraries(pkcs8 Fuzzer crypto)
 
-add_executable(
-  privkey
+add_executable(pkcs12 pkcs12.cc)
+target_link_libraries(pkcs12 Fuzzer crypto)
 
-  privkey.cc
-)
+add_executable(server server.cc)
+target_link_libraries(server Fuzzer crypto ssl)
 
-target_link_libraries(privkey Fuzzer)
-target_link_libraries(privkey crypto)
+add_executable(client client.cc)
+target_link_libraries(client Fuzzer crypto ssl)
 
-add_executable(
-  cert
+add_executable(dtls_server dtls_server.cc)
+target_link_libraries(dtls_server Fuzzer crypto ssl)
 
-  cert.cc
-)
+add_executable(dtls_client dtls_client.cc)
+target_link_libraries(dtls_client Fuzzer crypto ssl)
 
-target_link_libraries(cert Fuzzer)
-target_link_libraries(cert crypto)
+add_executable(read_pem read_pem.cc)
+target_link_libraries(read_pem Fuzzer crypto)
 
-add_executable(
-  spki
+add_executable(ssl_ctx_api ssl_ctx_api.cc)
+target_link_libraries(ssl_ctx_api Fuzzer crypto ssl)
 
-  spki.cc
-)
-
-target_link_libraries(spki Fuzzer)
-target_link_libraries(spki crypto)
-
-add_executable(
-  pkcs8
-
-  pkcs8.cc
-)
-
-target_link_libraries(pkcs8 Fuzzer)
-target_link_libraries(pkcs8 crypto)
-
-add_executable(
-  server
-
-  server.cc
-)
-
-target_link_libraries(server Fuzzer)
-target_link_libraries(server crypto)
-target_link_libraries(server ssl)
-
-add_executable(
-  client
-
-  client.cc
-)
-
-target_link_libraries(client Fuzzer)
-target_link_libraries(client crypto)
-target_link_libraries(client ssl)
-
-add_executable(
-  dtls_server
-
-  dtls_server.cc
-)
-
-target_link_libraries(dtls_server Fuzzer)
-target_link_libraries(dtls_server crypto)
-target_link_libraries(dtls_server ssl)
-
-add_executable(
-  dtls_client
-
-  dtls_client.cc
-)
-
-target_link_libraries(dtls_client Fuzzer)
-target_link_libraries(dtls_client crypto)
-target_link_libraries(dtls_client ssl)
-
-add_executable(
-  read_pem
-
-  read_pem.cc
-)
-
-target_link_libraries(read_pem Fuzzer)
-target_link_libraries(read_pem crypto)
-
-add_executable(
-  ssl_ctx_api
-
-  ssl_ctx_api.cc
-)
-
-target_link_libraries(ssl_ctx_api Fuzzer)
-target_link_libraries(ssl_ctx_api crypto)
-target_link_libraries(ssl_ctx_api ssl)
-
-add_executable(
-  session
-
-  session.cc
-
-  $<TARGET_OBJECTS:test_support>
-)
-
-target_link_libraries(session Fuzzer)
-target_link_libraries(session crypto)
-target_link_libraries(session ssl)
+add_executable(session session.cc)
+target_link_libraries(session Fuzzer crypto ssl)
diff --git a/fuzz/pkcs12.cc b/fuzz/pkcs12.cc
new file mode 100644
index 0000000000..85bb0e349b
--- /dev/null
+++ b/fuzz/pkcs12.cc
@@ -0,0 +1,29 @@
+/* Copyright (c) 2018, Google Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
+
+#include <openssl/bytestring.h>
+#include <openssl/evp.h>
+#include <openssl/pkcs8.h>
+#include <openssl/x509.h>
+
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len) {
+  bssl::UniquePtr<STACK_OF(X509)> certs(sk_X509_new_null());
+  EVP_PKEY *key = nullptr;
+  CBS cbs;
+  CBS_init(&cbs, buf, len);
+  PKCS12_get_key_and_certs(&key, certs.get(), &cbs, "foo");
+  EVP_PKEY_free(key);
+  return 0;
+}
diff --git a/fuzz/pkcs12_corpus/04191202c1f7d978bcb3a4c1316d88b046689e31 b/fuzz/pkcs12_corpus/04191202c1f7d978bcb3a4c1316d88b046689e31
new file mode 100644
index 0000000000000000000000000000000000000000..5ead05fc12feccc137f3f04772dce390dce8a5c9
GIT binary patch
literal 2567
zcmai!X*3iHABShfWM4wWge!Yy>=m*v*-2!{GM150$TnRx7?XX=?lKD5vu9~0WMs|O
z*eOdy_RHAP>z?zT?w9wR_rw4E&+mD@KM3pvFbD`nU|~HpFmaq7j>-t61r}goEf6fM
z@f_D8un@U_6-@yaB7BYnKtRCx<N4PB5&FLelo6qf;Qe<pAebO@(|X@BVTs;SAP^k@
z!AApg#OVQD!4Mz_!m?S%vMdk<R`sZy4=S0c*a^pi-}hOwit@E7$E{#4x+C@^(pch%
zKg(Fhvo-}9c}*<(w0@b84m4HRzQI<Zv(jDH=NRy-#?KQS=7mhZHMQ`}UPhTQJ#M02
zR~}n2H|-iHxu*GMh&Q7<-Z5l={Ds0;J=f}&q_<;}?WU_(NYC4xx3WmI_pI5rs=o~&
zM3&06s7D;N_Qx6DvNxg}ag%SxUo8P%Z?>K?u3Crmg7`q??>J3OP95j;YQol9v@v35
z2^)GNNSCSSkv_vCHJFS`N}Q9oDAPXWcjbEJa;?<8qoc%MpL{=1X^g;tdWbu%3CrlJ
zvaiDNaJad)>Xz(;^`zcd!&eJ|hIeBqIB5xSzY{e$!xq=guy%8gUMapmXQhDSzFw|B
zE<qwNyfvzLOxXJg?L7(}AP=^Ag9`<g1p2cd=SwXnO`(Mp=$!=urXE7&!%sIIlq(#?
zbG;4AUJlPohBCb`h+L|bg~#>zBe`wqxz)+h?1hzln)ls@ko!(gRX8nyY1*$$nQM5T
znU$nez4S7+)KSd*x@0F7+!Ju2A&)oapnToKn+v~=Jr0tNL;T$FAFv1#(ZoU(Y3mH1
z=K=WqDwzjR#GF#oB29l>blYTxTco_I`(TP>P&fY4gUhc|>4OE9uk!-X;`9{{q}y|o
zxN#^8U%AQGDT6LI)>|f!dne)*<dtFir>CtRRv$A|rk@3h=hI3Cd$gG`p;-Ye8~JbJ
z3xuzXs?c50Iexz7Vdy9u-fU5iDOcJVc>Cl-)P<??OKPL|&s2wmfrM9=a|OKy-NcTa
zeSkAM+Db0e4{1O3v>q94Z5zBeM8`MD|4H7@7__fkwOcpIu>}vxI_?klpPdA%efT?X
zPjWh<gJ-vqcq$ntc17M4;0PY619Q7HyJX5v>uN3#qJnd3=$TqM9GW>BI}hxDi)FXK
zmE7x0Dlg&vMtWMIQ_Xo?t0_8b`>Igml7=*|7aApxPdc<IBe<d9EO>g5;5zi`F2UVh
zqKZ#cgF>V`Xu9(eOG;suY|&i+`bmz<MM^iSN3Ms|9?c?&wDoxC#MfZUZw7HQ!vWU5
z8lrXiLr_IeSN}mqV5xprQh5@mWNu4eTKDmn>)1j(h2ewIS$$jdGU}%1_Au;vqM3<I
z)ds__VDn3*#@ei%4ipKu#av?Bl&kQ-zMnR1-`+DqTQpPBTB}!ay|aTQkRv!}qL!rn
z8MUOSfstC!uj5X@`R&|`*;UqO!_=t7#Z^E}-{stle1^V?=Oq=0cF>eAO~UPa(@oAM
zTsHj>SZKiS0{oK{s5=A;MV(`Z^RuO)|8H#=E&xI2Qs^AQ|6f8DRY&6~4KdLFkr1Z>
z>39YLxM%*_GuJPuN0tyQWatn6BfbycN&3qCmbb^=FwEMf)NXKBxFzw5sjyUnR=6Ux
z+*??Ep!-zCKAZ1Mod&$lo3%|GQM6JoB1&ge3}h?Oq&tUO!cesVCnDQ=&=Uo^I2$WM
z=4TBcuc2@UcYg9&5I#%S=8B{u5}LV{?7e;sm*iAq#RJ81FuYEyx{IMm$6iY=W<$ei
zVA91KvRS@&m#J(0pG1l(^=;ZPi_WM-fJA!Nt?EBo4&oQKxJ@Y&CbjlW={_LppSy*a
z9QMq)S?>lt^8~HRFQ3%%f8u4`1|R4<tQaVyhUq)^*i;dEsW!x@!0g09qsV7Ng`18k
zI8O1;bdA<1+NbIj87AAGCPr$;`Ig^4g-A?pQU&n@i|PBey87#%AVD6(r!l2YDI~kF
zIem>&#*V_omU*^U&L{DsT}M%dT#uTlSz_iX3S9<BAv>6eazTK7N)`&=Te&eFl_^au
zE84pdzz$4`S+S9l;0c$-l~0sZ(f>K%5?|bS5|N)Q)Hj71n)`dUOi2Hs*0B#8dy?YZ
zOJ8lCl5(IIMQ+86Nwy6}YUDf|Wn~?9D3fWlU1^&wTiVc2xke?>Tpt6FKW;Rnx04Ka
z4#@ZZ&dOyGB-|KCtDyfFD%Q4LB@*)1u7F*k;gW%5`=GuRpTc&B;k;Lm3%YMjP-dJ}
zGLQ&-iIpN4u%||=0R742qpE8JEqmREKIFkInZtMsqoVBsv(O27OL0iEMu}NV<scrD
zDx3$VJAR^s3Swu?JLu<L%qq1{@+9SYWT8alW3JM=4_8_Jc(3g(uA!5-6xr=g!%z}x
zcO`tLeJR90AW=PN@WD}E*mtf++Q972+(L9g@J}tnj|J65EzDqq=50RJu>`mm><BeC
z@>k%>oRfI~vzH>Z!y`SfYw{w?t|0toL|wh4utMjJKe#q3S>ZZJh6l<cJS*yTPbR|a
z4kgMPo{{gXWe1i8BjLek%*<~Tnr3<rNa5>2WWNV>k3DkvW|JoUXf+itg$cgOHp+Bk
zv88jan~=VX7Mve0w9!7QZ{F22R^ky-@Y1;3DzgZPEL~`6#Pt-r#88SqjH|}V@p`(R
z)%2u(U5~lB!#o|iAa&>g*{rsf?oNMXG-=3Zu0*~nqOL?=beVIAPbRAwE?*6L!_NF-
zG=~D~7t>kYxnuM;y_oTy6MVC}P00G!r}ShvAlx{+@C$&dT9f=x%=-RHx6m=3dP2{1
z8=~{Yodve`zLXfjDw}XZ`Ru+`&u+v;&}zyI973(+mZXa<pZOY=M&<PE9Y8OLqO*{z
zE{I(5B)v!gj~kOJwXEl%trez}E1BPOm5neq$FIbJ`I3FH%I0cn2qpfiljyG6<L($K
z4_}CFb32A>PV%&L_fSq27M(o5PPMX?Sr}W=4O-3NDc7<T&Ad{=8EdSulS~9e-$+Jf
zcf_;H#ma*4{57v>y=wOBLR7eJy(3IRn8h$mncOIP$AKb72Y!oz<M-WJ77k6zw-Iw3
zJ^DJx#*{sS_BXRX^nOX1TeyfA2Bn85y&V4;BBW3d@K^fjzz^%g00ZgxX3BGd)mQRH
zHve2VI#uFYB+pTt_1kT+GYmL#)%-HBwcj2;pcuO#g%~DM+g~&RHOmpV(sjMe#iCh|
z!U&<?NrhcRazZ#b{H4qj7#V0D%D9Y%$|BLRqC8I!NQ3|aMgx^#0)u#<00@V)9l5%s
gzadbq_i<+&*<*$rc4rGhcbFT?CbIg&^`Dsj2l0ZZcmMzZ

literal 0
HcmV?d00001

diff --git a/fuzz/pkcs12_corpus/7dbf598a00e4d22ac2ae1bc658fbc6596901d53f b/fuzz/pkcs12_corpus/7dbf598a00e4d22ac2ae1bc658fbc6596901d53f
new file mode 100644
index 0000000000000000000000000000000000000000..2abe60f5fd15904fe60bb0c9b7f498414867a81b
GIT binary patch
literal 2636
zcmZvccQhM{7sr!GqFQRtP`f;&FHx(tY8AD;qBc$JA}U5p+cZ>F5UJ5eT2-@ZKC@KK
z5_?qzp|mwBMrcHr@x0%BzjJ=~oO{3be$TnzKR*Z@2*`%OK{=EX%o4tG0oj3hI5`{`
z&%r?8{*MibLf|3cM;!`1@vjfg<3Laz9=wadgTEl;pvV7hAH@oRdCJ3*Vjqk=ubv!Z
z--@%jISK-?kAm^wUb>x%_lqaYv=3S))t>tw!9L4}_Zy-Ess{vCv(J56!o)lIe^qRX
zDE=vQ{e#*|ZEw2=A{iGL;WIR9qj5M<C_X>C7~+Ag{5YbQ-9Hqm5#_ut@2qQKQe+)-
zvybrJ1{3_pb7n*Ril6=}`la~}Z^jex>Y|^u-V@9ce_v|h)==*S8@-a#7b4NmthY&>
z1&o#<!=>@i!vm|cz`AS{>@Cm%P%KL>73R=V713ys0v*JxzqP#8*Ej5|trkN6{)bpx
zfldnLM&DtOg!-<Mu6CRddgN&=5;UVJCS*Q4jj7C5p#Yl=%T}!lqg7t#Z8wh0b<l|5
z`zK6o-o0Dd3o(30vWkJZ>3}da2&qcl2+|om;w-!OX4h{!-uqI6rJ!H|oyafvX}sRH
zx3brbtsa&Bf`{tJ6~b>qTo-n83nzJAtK#KX^$_@8Rb>SBN;gClN3_R{TNWJ`I>*re
z`b1W=X=o}oWHb28p$oIAYzaNv>4yjxh117HB_$W8%ll|rSP!J>nOx<;ro~^r)wID{
z{IhP1RDF?j(#O6DL)Cq5y+TvGT7QGEIGQy&!#$2k|21sksbZtO*5d(!Qfk{tT`$OS
zl52f54-$Yw!l~7Xl<6xyd)hmj>&=kL%EOV-u$~nr0d0GeBb{5#8UEfvBEkF+6{#3x
z54#8zNfU>6vkd~Q8f*Bvzt<H8YFxdjrnJRdFo~0H)86lv&$DVj)4m;(#fwgDqCK!a
z`+(K6r<~2|1jh-QJ}>IHv=~{Yw?%GDx%k$e{CZ!xIow^=&;LVYsH3v*;_aM$h}pTm
zk)pV-X^#sPoi40SScqAK`UvzJb?C>g<4sSZ38Bd~Tfu9gVZ=eWmvYxr{tSvNh_yTq
zFQt_-H&^wQ0_1|C4+E)-0m;JeIyA)kqpItJvM$x1v^p_49o^mb$@u{F>8(!A4{Crb
z<85I<lcd`PsZ1?63(To<BdVie5Ub<6-Q!bc<!>MqX4eE8C<$J`l>YDuiaFIi|Isqb
zI7sf9VCo84(vCs(@f^b5fx9&~OR1)aZ@X+rS477+Us>EO;Zg5*PZ0BO7S|D%y+L?7
z<2L3}+Pm8~FYWUC>`oKtkqVDjUp+nI#B@?&!oyb96eWnC@T%W)kuY4ZQ2E;iL$mlU
z5hE{>4owyrx+#{j_dXOsGiWdrxcqIX=NmU(_(w`J?rz{$&?7+fq-$UEST-Zo?3y}{
z>oz&v=JhRwTuMR>F_7d87bt_Nh5V5B5TG!0x%t1FSfsT~*%@ZalVPz{+FsI@p0Owk
zlj7NZRVLJ%7q0MLR15VTGloy4WPivaUrtARj$M7M$s?A8Pf<$Gl<AXZ4NJd@72cG}
z3x5$1ZOx^kk|jIKF7$fko%x{g*b{02&?|4j0Hv5@M6;21Rj|LbX=s$gIBSHNK|7gq
z-r1)lp3dMIgh*V@q+9zavbE%29Ut~m`%XJuzf5*eAtKIa<Otr7iLio^7F=m#f_Dac
z66*o_?(t{*--jBwTCdD6Yv2Adw+H+Jvu}Q5S4qrs;JfRzaK(d8z4ud;&?xsyM#<iW
z@C#L2-rAc+=i8O>kMB*7(xk)U>JS3!dnu}u`5GSDt9+c9lboDLUxfaD;K?C?R6T_N
zm;*upSbz`U`jPq^ZBhUyKmY&@@H?7VK={#Zd!#px)bdEt2-*Jz2qJ~R0s>gLeJU3x
z^qMOA?d`Kje}bY|1mGX_cOpacjsOh;0{-p+{|CU(zX1FM=AX*jSu;7h>XMt)kzD*2
zfb)(3&-P7Xm>+X9=r|u77>{ye$IE_8^7xI|TX$b9|94u?>Hb$zauwzCt>M9sEJ9pO
z#^Wan@uR~R_$`C2&U9pD0@2JZPbifBHJ(^o9TH0p3vU`KzrLF%J41fDF2p!HF={2X
z6;T?#gQPgU<a%;1cJsVk3^vcL;=Kpt)EX$7udb<QsXMy`a@Cc`{um%PynIoD_Oi{4
zO%bBwEk>}UdM4Kmk;G5zI82BeUYcMDYE47;%y*YcINX7+yT&-4x^s#ejsB1qu25=w
zfPy{;u`M2m9>YAtVjCK`MXfFu)lfCHh1=ablePyp7(TuIt)L0=DMsG{317WnOUWAq
z20JYIW&7|ij;E2BktYJ-qE+6tcPzmN{=2n~Q%p4~_&BmxbH03vgiAv3$>6ARBbX}3
zs=EiMZMu`?7aGF$VaFOcXP$+1a=p@N9mLE0P|NM84*q5<aeFyC-;74TYV&(1qwP*c
zyGA=x;ozh2DblU1QspqaE@wEe?Wuv`L$H+)t8+qf?vBg8#45_(IMS1}|9Sp+0M}bI
zi9W|>V_3BM3<F`xq*h?W^fC;gE2f&dtQkF}^X;<Jmre)p7pKR5sRDbD6Dd)n>1D9j
zx&dir2Bj_WB38eEI=&sEMC7o<+s0?B5((+9Ih8@j^6~D>R`0GYIMTAdp2Yp*u6M;=
zGigoxiHw2C$y7Ot_}$FsG3bq=br*k~dnpea<+wLkJxK3aM#%ti#t34#o7)1*dG=W%
z#gK-JbFf#=1VHfdU6*B3B>?$Cdc(Sdxi2l9YxweIJ1*KLR7Tu3*NV#6QkW9fN?r&D
z{H$vGym9Y}UR@%%R|ZxWk^g26Iv!^z?X)*l`S|2iAZBdM_;I5q7{U^6Wjey38sg3|
zJ}IwSWpXeDt6pM#b9Z&%*6m44q>>ICyXj4=jozi%n!!U&U&z4ZY8s27e7nTgZosTI
zDHPgF&{fx%KY3y4*{8V&W$4F1!Q6EEcbi-m;Y;VMrLKZc{3x4SQj5M>@hKDi*X?It
zrcV^<g%~>GE=DDoA291&HTPa}Qc>kPp<Au3b^I%8OVBo9vyk@F8FL#uGmqrUCdpmN
zYr-6RY%afw-m`tPtR9w8(LHi(BtW|hxxW1a=SviL?<mbj=A3_M1|6oYDPC3}lrlJX
z@&@Cby*5OA`u#Y^BuAVrhS?R41=4?;HLbN?JaL$FD~Rh?xEGZm!$KHwEYAbk6yWt(
zd-r1$7h`#D6#=3dT_k&KuzS|0NLN0ilv1HrxV!wi1T!&9K0ScMROuBqq(~$E)YTLG
z#z5CJBKxFvxe*3&qO1>R(^_JZ$w~f*+>M>YKJYQ+YVJzPLWuo8q4M{MIERo%a6lo-
zC)q$^5CB+U;p;Qlu0Eu~AyCRPtpBPhzv4Rxm`CqEJd2LAC_CS@$>F2elJXZ+0DwOM
Dg0#@W

literal 0
HcmV?d00001

diff --git a/fuzz/pkcs12_corpus/aab806b45129f3284cf9598951cdd57a86e63ab5 b/fuzz/pkcs12_corpus/aab806b45129f3284cf9598951cdd57a86e63ab5
new file mode 100644
index 0000000000000000000000000000000000000000..1049426ea9bca68aeccf82e98caa0ba1c84b3d50
GIT binary patch
literal 2469
zcmV;W30n3rf(fAl0Ru3C31<cgDuzgg_YDCD0ic2jSOkIzR4{@GP%wf72L=f$hDe6@
z4FLxRpn?PVFoFa00s#Opf&=Xa2`Yw2hW8Bt2LUh~1_~;MNQU<f0So~KFb)I=F(k@;
z!zDi40s;sCfPw?SRp)=4)(p~V9d3)b2kc7c24~SE8`WqNJ=a!V6+qkCh&IUrmbJC_
zf$xYNW@4y=_mQzCADbn33IwshlSrcQQBN!Q17~3y?J530-Gif(b*I@kTc^qNQijq$
z%3)j{`3HTy+IETqjuK9fXl`<D@V+9)otJz?z^XCfRe`hYn3Syd6`Mjyj4CO5C6Z*4
zy-r;0|6#k1T*%wHmoW5Io*VkUDv;0Uz@4xTBw^<|w}0AWswzsRky561$-bW(9i$0c
z57A^!-wZ@qI`5j;BBEb_wNJi;Bja>;Jf0_HtY!4OG`FPw0vd<~J4?9Oxh82Mmpzl4
z=yIw}k9JWKSy=HJquX7)>Vz3pPXPPkS4Ya~zK?~A94C!|aDVYuSm7p=*e~9!$gID^
z#%HGVZ0sOByq($5p-zku87s4)-)fJd!_4-*33`@cAk+q#Om8EbOw4nOLP(iKkITqL
z8v9WLYVsn5h@D}J7Blqso5&$gvCT02DTor>)G$oBtu)>N_`wpVO~)~rD@BL~G-+;a
zG}zq=Jy~=%F>39RJ6niDMn7j}<la)Wzk5AYd9RK23V{9VF(kYs*CC&WtG#tB6BCxJ
zcKfnK(9#+4m70;idV6-2a;X;lKB-Ot6+J_9ql@oItr5Lb(+m|A8nim#f105-M{<(z
z->~AmHPkX|H)&5tn&LHzF<|Y0SK^&moPS2rR1PRpiyuZbBCK)8$`7=+di*q3rG|}W
zT*o@w_<1^t_M#pM$q?z2I>qg>%DZOqoynX+b!0x|5-Vr;zblwswxGIsnBYfTcZE(S
zasI1Zs4|o6&?b=N+AlPUP`EpLOkb%!im3Czw@?drPK=<h+gazV(KJqCM=l;-w8>=n
z5A^u9n&W=Yx9$-XQi(e!nEaKet-oP3tr{dMNM>bqoLRt6Up-ok?$EIpZ8SzVpt^Ca
zcXKJDH%|i7e-7x*|9}xiLIYZds{bVtA43^FsbZE4Z!?Hos`=uyx%XABwRTrWgX8)I
z+J*v`v|z4T)oj5t;Wjpud7iDKExfg&>)p-ENJ163<_>mSS9B!iiNxp#ss6Jgrpj{S
z<jcWI(H*&7HkTQE6-e<d>+G#kZ!h5)&(D|>4a~BpirSMTJzazTjh;u?ZjA;~eMW=?
zX*6L3P#=bpl<5l-TlN-#>-zD#1ZWq^HE+63Of$~(Cbx8}rO>Jkg%L1VV&6!|-^n<h
zZ<Zr3!PJdqn?_%p>Ly^dm4$H_!}L^P%KlY5zJagVIw$EIFoFd^1_>&LNQU<f0S5t~
zf(0@Jf(0%xf(0rtf(0f93o3?4hW8Bt3<?1Ppn?SMFoFc?FdPO7Duzgg_YDCI0Ru1&
z1PIw^%Lo?8lUD))2ml0v1ju~brXDk-#!eF=dLPDutCL^wq~t)X-xlnRAKBys*2%;j
z{iEZ${L9csWejdz{L<88r<3-IM2!A~*bSx@BH?8aUKm7JFUMqbU(a(i;Y;MRTibz4
z95`~O#p_m^$KyRzZUrpUSIJL+9@p3=YRh>>aQsE5d8+{fwy{J(*>g9l*ZD+~ue-H(
z>nk8Gz3MOCrZ3j4bfq-=-}eHdAQi}Aa=U*7_7C`e!{)0h=Gfs4T0Fp5uJ{`jJbQoj
zpX~QPFi$;fMBNTdER$$MF{qbI_GWP^Qa(E7a*F2T$p2+%8b%?r@J4(LWzmkLkr7;z
z>+7yY^t<@;ejqUT%^A&93V%=Ntf{PWmViYnN@I`#8PI+vQ!T_Gr5}lB57~853h~ta
zF23fJJ8X>O4`0q$NZyU>)8Puu-!x6pTdP4qYwMve0ZMW%^j<`E$L1Ef`w%w(Eyg<+
zav|HShI{pJKXaqb4j{W(Oe4bRA|l`d4dkLfRh_`=n#A*}xbbuBN9ZkUp+J=O2f1$p
zT6pDIK^n)+Ll7V+mEbCG^7s<g6Mr{7IHw|!#^X}n*uQw1r1!v#zkw(qxB=d^YYJ8p
zTw)!sxAJsm3VOt!9>S<h)^=@lH8&DmmF}1w;*s7H2+&zgVv=ba_aQ~EgZO0d`;wiZ
z*<oG)$Qo{HEv={<4zKF6t{jQSO)L*hjd+a}olKBYp{dxiX1TFO3TcKb53)hd=#EL3
z2n%qR%cL_ugKKOT&e+wP)K#0A;ksclHhD2$p^T|_LaK~KZnlsJ=q|)^X+p}P)QT)O
z;oi8IHtWn-3?!|qVnl6#)y^(TKBdJp_%bFcR;1nOk_N5lg?DT58|$oh860Z2?<jDG
zk~7_^Fu|acWEi56fA_?t7L&7E*i$IQUa`)XytZYiQ_b{EYwB-rr5y1O%LFA#{(bzT
zy+PBKYKyJZstR`MJF7WWqlusP^_!f7_$W}{F?565@efQjYUN}uxpzI?|D&gndB$4-
z7C5LPqZAYE(1{HnIzdcVdHfyUtr`&(F@D>bI&9vQnng_erKK_M;|UXO{TVku_U(@h
z&P&nZJ^O_Kgc<9iV;w6kA?^rTZLqP{fdID936Qje7uhO29aF}^i`uRX3O*c)#MYNx
zNauNgc&gqPU|lE`IzqRF$Y7HwuujSMM(6xapPv%n%We#>aoV@+Jx232K|<Ikl9?P$
z$vo)}%Rg6TcMaYD>Tos8^*9?>-)+nN6FJrd;_<@S>WrWJwfyF(st-fSoRQ=quQwEU
zM&T(z3{Lfv9r!axZ=H+tC)B(4uKJ~mL65Z8FTp43a8(`R*bGWue21hCga^|&XDn3_
z{T|v)W&sim8+?3Rf+00!Tzb-G!Yf|5vCH3C$uYMVCYD}r9AZ6<i1E<@KKXCCciiso
zcv<hyI){j&>ir6-sXh$&f0r^B!k5dWo335wIV&ru=6g|fA5&B}^Z=x=pp&#S=dLKg
zEjqKR*F1JaOS@`kn9leW6K8om6$!T@!0ZQ#{Y1-|z1-DPOqUx*ufS{u0h5YQQEKE|
z3Q~bPb?u^;rd(BH?)x)>5U3#<jmY6rXgG*3t}7yXn+zFqZ;{9Pm0>7!b8s;wFe3&D
zDuzgg_YDCF6)_eB6cltVQjQG_25d59(|$8CXp1Nsbuck7AutIB1uG5%0vZJX1Qa5U
j|5|wLEFq#uw_}J9M;yS@>{<i}vo0b1f)v<X0s;sCn3j#>

literal 0
HcmV?d00001

diff --git a/fuzz/pkcs12_corpus/fff673b3287ad0d26ffa212d14d94ce2d015c7ab b/fuzz/pkcs12_corpus/fff673b3287ad0d26ffa212d14d94ce2d015c7ab
new file mode 100644
index 0000000000000000000000000000000000000000..f7cd26f68d776196400fdb521a3edd3bc3fc674f
GIT binary patch
literal 2566
zcmY*acU05a68;fFFmx~q(m{&!(4(QVD7_hipbOF>MXIy_p@g<!={3mi$}Y{7-VxM9
zsS<=I7^O-GAgmOTB1IP7&pq$$o;~->oo~Kx=FYi)+&f4j2L!^xiX_6H!QhH%=4t!f
zEbJ`hM0g{V2(Ja{8YB^R=3f%qA(Y6rha|Fn25kez`M)YI4i-o`5qg3oLXVK5FpmGz
z;Nd*bGo6x7t~Q1|BnX84KTslc^2*3tnhk~u#qy0<EHU`*eHES)vkP)stgJnhdt`zs
zf4!AO2_*;tf~}oi_F2knYKy&;f}yMCrPr9~tWXwrmzy5(5?nzBec`2K<f(2f@<RKu
zU!gnRPiwkeYV0H|eU+dPFE5*$NS@20m^ATC5&}<xxjo>2wv??=M29t>*j{jSy53er
zzFUDlsLaBT8Euo`dZ^llT{yafHutWc;Tr1wl2@osPvDI-Mn<?wJGvBZDO7av@jl7$
ztf@p+WB_!=dpCQ}zPv#+b7<%N4!_Dt<W}8P%tcm<qkFFyzuv{!h?F|(dw8sQ7!AHP
ze&!`59^cMWSfFdXng@GVp&2bG=n|dNxN(^KwPWaaPCnt!wS4?f5~@_R2(gVrEkMAV
z9@(-%#E<qIbY+QhcXly1;YzF2mTKl)=QO{p10~G<`mg#&Vp<V%F^pU+qIZ?^qlSC_
zv8oNvNw+W%m=jTFVU1^1-5$v<me+H+l;D`vi<a>{?fH-Gd|#dh!p-#FB-UraoV29*
z$;!cg`}#@)p(8VKGwT-_;khD$^o_`a9xoli*#U#DKO`m@Fd-2=Guncy@v=rms>mtB
z?b7BSY=cABQdiF=h)lmT$nL5r*1CY^`aur0;`4>oZb&ys&F%YF6$-kmX(>3}lyVE(
z9JH{>15XL1l9xhK<5jP6Dp?PR;#~#-7=;M;#1A=YK1~5VLP6Xbo|z@)6OXptx@4cU
zOIy~B&HiY9T(m7HB|d$2LWHSHr{pgs?U9`w5YveSOaD>9#+hE#6tp<R!ScCmrmG}&
zbKPa^oq_x12NWCI!e+7L5Nhq|QJm_{ug-?IyLNQkDgK$k46W4&xfkNn-aMwy3qEA1
z{xQXPfVIzf>ifmn%c*DOM0$8O6?J(C2f4({5Pi%0y+7yVvi};Ug#ig>nvifW=mX3a
zXkdnt`3nd3?43N$PN$$A3co8&xmDa_VkWn~o3EI8ewXXoQ*T_1px0vv?Rt!Met54U
zp`Tw!t-@28nm#enO=F~$S@pY+<28z%p6k25%2he&eAqoo@~++y;a3$Xwb3#=i|h1@
z?Z@v0ybv2QgbQ&T?>CZP434BK3`oaB)wb8|{}Pg&p!fOdR7`$Ke;2lwwl7;h%_F+x
zi%ZUn{=Aa;$gCqZyzI<r9m=W7|D$R|=)`ZcqSQgo-|6v(Uc~gyB$mhO^TygdObK(!
z?a`(-R8?DKMWRH3^EO+O$?FDeV83;3wTvPJ-P{*3b}qMldxg)he6jC?qZgv>TwZo}
zOub5(Ot_BvFwM%9GGW{H-2A(6wdAGC`nf6^0{cf3i!*i~RwR|3sfURRv!dH<80{}l
zzdr46A!>MO4DaqE^3yZSbg>1~c2E~qnF3)>+nF1bX+@rR@?EYqsY6Pc1ohLzM_Q>H
z!hr9n9<}fLpkicxSv`;ZKHNQabO|%%u)b#{=w51l05JIA?A{F?=-U+}RA1t@IKNzU
z7+Z;ace17k!iqZ7G{RA4VEtZzou9r%oeR;QjM@KfJER^nddFBmL1Mwe-8#xRE?oAf
zyw}`S_q(vxEYv6m#8AG`{ig}&GQpn2AbW514W{&i;%ufZCP+v7czfd*>or5VP<n9f
zbX0ph&Fjfh=Jx`H>Pa)mvwwe=@N?=gD3k>N0HpIjBtqR%+#K)$mk!_!pumL$v;h@x
z{}x{ckrto<sv00d0iGa>0uc^mJitgB^f*vMfu;)}kpVEc5{w1PLe%AFQFjx+1=s+7
zfEN%31OxX#!vW!dBwz*v0lr{)5UBWoO(X$RFar;SfNC&s2gDvA_Wi3;60rZPIueY$
z!R#<FI}%U_RKaFM){?*P!44}Yvi<;4DG(L_bcBBtmVXTZ*tY?Ye?BnKccSU}w*iny
zWVPRnT)j;h)>Bzlkp80CYwtg^b3<<`Zt^ghB=}Gy0RFtxqRA9CU}6=QYW2Ynl{c!d
zS3*bFopVjHi85j=i250d`S`Yyi;#DlLJGJ>*BhM&e$r}FYV36jNf%swiGj6uCZAqa
z>hQ;@1@abO$N6-{nmZ*=^qntwALjD;el49&lc~0}b>0aYZeAnIK*sT;Prv=R89eLe
zQw7&_XqOrqsNJC37hDc4nNXf<Y#u1H@*_7iN|k5i$})B{w|nipI|jUSPm4H4GI!Gw
zuV*=MzB02LiyN3f<5n|oH<t3g%jTXD?3pHU)mY?y@6C>#V-51ih#S2#jd#c;jCQ|Y
z&%R5xE8W22jf$GR_F5NT&BtaYmw$>fGe+)He1Q11ATrf3UuNZpL!oHh3{17s&8<Nu
zxw2Zd*FOU1u*#kLXU)2FE8%CZlduHxmo(%=+-6n3Bnc1Ae%MhMVjHns-jJCPW=(%E
zj^%E-WLA1$^v2M{k}Ln>f?%U>HLsWk_raO$S-kJo3Fma7N_9<S{M+I6I9*4(sIiK%
zj1$t7!IO4axl|r0Dkara(PurvhFcWR>oIKL*<*ZYeGC0wGke}4tYEl$@ceSCbcZUX
zK`c+qqPRl#&1mq}*Umjl8CHx{0%x0gn`Woc7TtPt(MllmWeuzu;))1nqJ7KskCQD&
z+M`ysL>xzNlbB|ak0L`}{3(?qc1PHHHAzYJcPxiIZ&LRyyQ83ZO+xg>_@YdMOpAzT
zD9^o<3^bXWn4QJj%JfNJ)5){R_$nQ9QF)=Gup_r{go^;t!A_e==9<q`?#b6lTgX0|
ztihuasYQdYZwbcLtdDyQ3^<)cm%@~T>`q?a%vAf;gjLSfZTgexIM1Q`jMz`FX+9}(
z8+keB+eE3YS@?!Bnoi)WI}+*qigC@EUtzW5Zxt8K?p9GR1RVEvVzj5{1xjw!xwM(c
zeuC~>&xAkr&DqrD7?4Wi4bHBm$D-Wa36EWAqvcrLv!Pbqrg7BH1dVrB<!>C%w0ldU
zB~$Sa?@Ko-r1k%NvDk5V@aKHF<tw+})@Qj+DLkX!x)L?5#f+qpD|a+M`${Gkab^{`
zK)7<2`kGcexDOL0Zy0^-<P@o2M52)rNOl;T5)Ugx7>ZDd!sBy|BX%tl_Rkew^4#}(
g^PM~tp`<n?)0?5y<LDUsg(vpp3htVb#kU9fUrjHC=l}o!

literal 0
HcmV?d00001