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eaglesong.c
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#include <stdint.h>
#include <stdio.h>
uint32_t bit_matrix[] = {1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1,
0, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 0, 1,
0, 0, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1,
0, 0, 0, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0,
1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 1, 1,
1, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 0,
1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1,
0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1,
0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1,
0, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1,
0, 0, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1,
1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0,
0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0,
0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0,
1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1};
int coefficients[] = {0, 2, 4, 0, 13, 22, 0, 4, 19, 0, 3, 14, 0, 27, 31, 0, 3, 8, 0, 17, 26, 0, 3, 12, 0, 18, 22, 0, 12, 18, 0, 4, 7, 0, 4, 31, 0, 12, 27, 0, 7, 17, 0, 7, 8, 0, 1, 13};
uint32_t injection_constants[] = { 0x6e9e40ae , 0x71927c02 , 0x9a13d3b1 , 0xdaec32ad , 0x3d8951cf , 0xe1c9fe9a , 0xb806b54c , 0xacbbf417 ,
0xd3622b3b , 0xa082762a , 0x9edcf1c0 , 0xa9bada77 , 0x7f91e46c , 0xcb0f6e4f , 0x265d9241 , 0xb7bdeab0 ,
0x6260c9e6 , 0xff50dd2a , 0x9036aa71 , 0xce161879 , 0xd1307cdf , 0x89e456df , 0xf83133e2 , 0x65f55c3d ,
0x94871b01 , 0xb5d204cd , 0x583a3264 , 0x5e165957 , 0x4cbda964 , 0x675fca47 , 0xf4a3033e , 0x2a417322 ,
0x3b61432f , 0x7f5532f2 , 0xb609973b , 0x1a795239 , 0x31b477c9 , 0xd2949d28 , 0x78969712 , 0x0eb87b6e ,
0x7e11d22d , 0xccee88bd , 0xeed07eb8 , 0xe5563a81 , 0xe7cb6bcf , 0x25de953e , 0x4d05653a , 0x0b831557 ,
0x94b9cd77 , 0x13f01579 , 0x794b4a4a , 0x67e7c7dc , 0xc456d8d4 , 0x59689c9b , 0x668456d7 , 0x22d2a2e1 ,
0x38b3a828 , 0x0315ac3c , 0x438d681e , 0xab7109c5 , 0x97ee19a8 , 0xde062b2e , 0x2c76c47b , 0x0084456f ,
0x908f0fd3 , 0xa646551f , 0x3e826725 , 0xd521788e , 0x9f01c2b0 , 0x93180cdc , 0x92ea1df8 , 0x431a9aae ,
0x7c2ea356 , 0xda33ad03 , 0x46926893 , 0x66bde7d7 , 0xb501cc75 , 0x1f6e8a41 , 0x685250f4 , 0x3bb1f318 ,
0xaf238c04 , 0x974ed2ec , 0x5b159e49 , 0xd526f8bf , 0x12085626 , 0x3e2432a9 , 0x6bd20c48 , 0x1f1d59da ,
0x18ab1068 , 0x80f83cf8 , 0x2c8c11c0 , 0x7d548035 , 0x0ff675c3 , 0xfed160bf , 0x74bbbb24 , 0xd98e006b ,
0xdeaa47eb , 0x05f2179e , 0x437b0b71 , 0xa7c95f8f , 0x00a99d3b , 0x3fc3c444 , 0x72686f8e , 0x00fd01a9 ,
0xdedc0787 , 0xc6af7626 , 0x7012fe76 , 0xf2a5f7ce , 0x9a7b2eda , 0x5e57fcf2 , 0x4da0d4ad , 0x5c63b155 ,
0x34117375 , 0xd4134c11 , 0x2ea77435 , 0x5278b6de , 0xab522c4c , 0xbc8fc702 , 0xc94a09e4 , 0xebb93a9e ,
0x91ecb65e , 0x4c52ecc6 , 0x8703bb52 , 0xcb2d60aa , 0x30a0538a , 0x1514f10b , 0x157f6329 , 0x3429dc3d ,
0x5db73eb2 , 0xa7a1a969 , 0x7286bd24 , 0x0df6881e , 0x3785ba5f , 0xcd04623a , 0x02758170 , 0xd827f556 ,
0x99d95191 , 0x84457eb1 , 0x58a7fb22 , 0xd2967c5f , 0x4f0c33f6 , 0x4a02099a , 0xe0904821 , 0x94124036 ,
0x496a031b , 0x780b69c4 , 0xcf1a4927 , 0x87a119b8 , 0xcdfaf4f8 , 0x4cf9cd0f , 0x27c96a84 , 0x6d11117e ,
0x7f8cf847 , 0x74ceede5 , 0xc88905e6 , 0x60215841 , 0x7172875a , 0x736e993a , 0x010aa53c , 0x43d53c2b ,
0xf0d91a93 , 0x0d983b56 , 0xf816663c , 0xe5d13363 , 0x0a61737c , 0x09d51150 , 0x83a5ac2f , 0x3e884905 ,
0x7b01aeb5 , 0x600a6ea7 , 0xb7678f7b , 0x72b38977 , 0x068018f2 , 0xce6ae45b , 0x29188aa8 , 0xe5a0b1e9 ,
0xc04c2b86 , 0x8bd14d75 , 0x648781f3 , 0xdbae1e0a , 0xddcdd8ae , 0xab4d81a3 , 0x446baaba , 0x1cc0c19d ,
0x17be4f90 , 0x82c0e65d , 0x676f9c95 , 0x5c708db2 , 0x6fd4c867 , 0xa5106ef0 , 0x19dde49d , 0x78182f95 ,
0xd089cd81 , 0xa32e98fe , 0xbe306c82 , 0x6cd83d8c , 0x037f1bde , 0x0b15722d , 0xeddc1e22 , 0x93c76559 ,
0x8a2f571b , 0x92cc81b4 , 0x021b7477 , 0x67523904 , 0xc95dbccc , 0xac17ee9d , 0x944e46bc , 0x0781867e ,
0xc854dd9d , 0x26e2c30c , 0x858c0416 , 0x6d397708 , 0xebe29c58 , 0xc80ced86 , 0xd496b4ab , 0xbe45e6f5 ,
0x10d24706 , 0xacf8187a , 0x96f523cb , 0x2227e143 , 0x78c36564 , 0x4643adc2 , 0x4729d97a , 0xcff93e0d ,
0x25484bbd , 0x91c6798e , 0x95f773f4 , 0x44204675 , 0x2eda57ba , 0x06d313ef , 0xeeaa4466 , 0x2dfa7530 ,
0xa8af0c9b , 0x39f1535e , 0x0cc2b7bd , 0x38a76c0e , 0x4f41071d , 0xcdaf2475 , 0x49a6eff8 , 0x01621748 ,
0x36ebacab , 0xbd6d9a29 , 0x44d1cd65 , 0x40815dfd , 0x55fa5a1a , 0x87cce9e9 , 0xae559b45 , 0xd76b4c26 ,
0x637d60ad , 0xde29f5f9 , 0x97491cbb , 0xfb350040 , 0xffe7f997 , 0x201c9dcd , 0xe61320e9 , 0xa90987a3 ,
0xe24afa83 , 0x61c1e6fc , 0xcc87ff62 , 0xf1c9d8fa , 0x4fd04546 , 0x90ecc76e , 0x46e456b9 , 0x305dceb8 ,
0xf627e68c , 0x2d286815 , 0xc705bbfd , 0x101b6df3 , 0x892dae62 , 0xd5b7fb44 , 0xea1d5c94 , 0x5332e3cb ,
0xf856f88a , 0xb341b0e9 , 0x28408d9d , 0x5421bc17 , 0xeb9af9bc , 0x602371c5 , 0x67985a91 , 0xd774907f ,
0x7c4d697d , 0x9370b0b8 , 0x6ff5cebb , 0x7d465744 , 0x674ceac0 , 0xea9102fc , 0x0de94784 , 0xc793de69 ,
0xfe599bb1 , 0xc6ad952f , 0x6d6ca9c3 , 0x928c3f91 , 0xf9022f05 , 0x24a164dc , 0xe5e98cd3 , 0x7649efdb ,
0x6df3bcdb , 0x5d1e9ff1 , 0x17f5d010 , 0xe2686ea1 , 0x6eac77fe , 0x7bb5c585 , 0x88d90cbb , 0x18689163 ,
0x67c9efa5 , 0xc0b76d9b , 0x960efbab , 0xbd872807 , 0x70f4c474 , 0x56c29d20 , 0xd1541d15 , 0x88137033 ,
0xe3f02b3e , 0xb6d9b28d , 0x53a077ba , 0xeedcd29e , 0xa50a6c1d , 0x12c2801e , 0x52ba335b , 0x35984614 ,
0xe2599aa8 , 0xaf94ed1d , 0xd90d4767 , 0x202c7d07 , 0x77bec4f4 , 0xfa71bc80 , 0xfc5c8b76 , 0x8d0fbbfc ,
0xda366dc6 , 0x8b32a0c7 , 0x1b36f7fc , 0x6642dcbc , 0x6fe7e724 , 0x8b5fa782 , 0xc4227404 , 0x3a7d1da7 ,
0x517ed658 , 0x8a18df6d , 0x3e5c9b23 , 0x1fbd51ef , 0x1470601d , 0x3400389c , 0x676b065d , 0x8864ad80 ,
0xea6f1a9c , 0x2db484e1 , 0x608785f0 , 0x8dd384af , 0x69d26699 , 0x409c4e16 , 0x77f9986a , 0x7f491266 ,
0x883ea6cf , 0xeaa06072 , 0xfa2e5db5 , 0x352594b4 , 0x9156bb89 , 0xa2fbbbfb , 0xac3989c7 , 0x6e2422b1 ,
0x581f3560 , 0x1009a9b5 , 0x7e5ad9cd , 0xa9fc0a6e , 0x43e5998e , 0x7f8778f9 , 0xf038f8e1 , 0x5415c2e8 ,
0x6499b731 , 0xb82389ae , 0x05d4d819 , 0x0f06440e , 0xf1735aa0 , 0x986430ee , 0x47ec952c , 0xbf149cc5 ,
0xb3cb2cb6 , 0x3f41e8c2 , 0x271ac51b , 0x48ac5ded , 0xf76a0469 , 0x717bba4d , 0x4f5c90d6 , 0x3b74f756 ,
0x1824110a , 0xa4fd43e3 , 0x1eb0507c , 0xa9375c08 , 0x157c59a7 , 0x0cad8f51 , 0xd66031a0 , 0xabb5343f ,
0xe533fa43 , 0x1996e2bb , 0xd7953a71 , 0xd2529b94 , 0x58f0fa07 , 0x4c9b1877 , 0x057e990d , 0x8bfe19c4 ,
0xa8e2c0c9 , 0x99fcaada , 0x69d2aaca , 0xdc1c4642 , 0xf4d22307 , 0x7fe27e8c , 0x1366aa07 , 0x1594e637 ,
0xce1066bf , 0xdb922552 , 0x9930b52a , 0xaeaa9a3e , 0x31ff7eb4 , 0x5e1f945a , 0x150ac49c , 0x0ccdac2d ,
0xd8a8a217 , 0xb82ea6e5 , 0xd6a74659 , 0x67b7e3e6 , 0x836eef4a , 0xb6f90074 , 0x7fa3ea4b , 0xcb038123 ,
0xbf069f55 , 0x1fa83fc4 , 0xd6ebdb23 , 0x16f0a137 , 0x19a7110d , 0x5ff3b55f , 0xfb633868 , 0xb466f845 ,
0xbce0c198 , 0x88404296 , 0xddbdd88b , 0x7fc52546 , 0x63a553f8 , 0xa728405a , 0x378a2bce , 0x6862e570 ,
0xefb77e7d , 0xc611625e , 0x32515c15 , 0x6984b765 , 0xe8405976 , 0x9ba386fd , 0xd4eed4d9 , 0xf8fe0309 ,
0x0ce54601 , 0xbaf879c2 , 0xd8524057 , 0x1d8c1d7a , 0x72c0a3a9 , 0x5a1ffbde , 0x82f33a45 , 0x5143f446 ,
0x29c7e182 , 0xe536c32f , 0x5a6f245b , 0x44272adb , 0xcb701d9c , 0xf76137ec , 0x0841f145 , 0xe7042ecc ,
0xf1277dd7 , 0x745cf92c , 0xa8fe65fe , 0xd3e2d7cf , 0x54c513ef , 0x6079bc2d , 0xb66336b0 , 0x101e383b ,
0xbcd75753 , 0x25be238a , 0x56a6f0be , 0xeeffcc17 , 0x5ea31f3d , 0x0ae772f5 , 0xf76de3de , 0x1bbecdad ,
0xc9107d43 , 0xf7e38dce , 0x618358cd , 0x5c833f04 , 0xf6975906 , 0xde4177e5 , 0x67d314dc , 0xb4760f3e ,
0x56ce5888 , 0x0e8345a8 , 0xbff6b1bf , 0x78dfb112 , 0xf1709c1e , 0x7bb8ed8b , 0x902402b9 , 0xdaa64ae0 ,
0x46b71d89 , 0x7eee035f , 0xbe376509 , 0x99648f3a , 0x0863ea1f , 0x49ad8887 , 0x79bdecc5 , 0x3c10b568 ,
0x5f2e4bae , 0x04ef20ab , 0x72f8ce7b , 0x521e1ebe , 0x14525535 , 0x2e8af95b , 0x9094ccfd , 0xbcf36713 ,
0xc73953ef , 0xd4b91474 , 0x6554ec2d , 0xe3885c96 , 0x03dc73b7 , 0x931688a9 , 0xcbbef182 , 0x2b77cfc9 ,
0x632a32bd , 0xd2115dcc , 0x1ae5533d , 0x32684e13 , 0x4cc5a004 , 0x13321bde , 0x62cbd38d , 0x78383a3b ,
0xd00686f1 , 0x9f601ee7 , 0x7eaf23de , 0x3110c492 , 0x9c351209 , 0x7eb89d52 , 0x6d566eac , 0xc2efd226 ,
0x32e9fac5 , 0x52227274 , 0x09f84725 , 0xb8d0b605 , 0x72291f02 , 0x71b5c34b , 0x3dbfcbb8 , 0x04a02263 ,
0x55ba597f , 0xd4e4037d , 0xc813e1be , 0xffddeefa , 0xc3c058f3 , 0x87010f2e , 0x1dfcf55f , 0xc694eeeb ,
0xa9c01a74 , 0x98c2fc6b , 0xe57e1428 , 0xdd265a71 , 0x836b956d , 0x7e46ab1a , 0x5835d541 , 0x50b32505 ,
0xe640913c , 0xbb486079 , 0xfe496263 , 0x113c5b69 , 0x93cd6620 , 0x5efe823b , 0x2d657b40 , 0xb46dfc6c ,
0x57710c69 , 0xfe9fadeb , 0xb5f8728a , 0xe3224170 , 0xca28b751 , 0xfdabae56 , 0x5ab12c3c , 0xa697c457 ,
0xd28fa2b7 , 0x056579f2 , 0x9fd9d810 , 0xe3557478 , 0xd88d89ab , 0xa72a9422 , 0x6d47abd0 , 0x405bcbd9 ,
0x6f83ebaf , 0x13caec76 , 0xfceb9ee2 , 0x2e922df7 , 0xce9856df , 0xc05e9322 , 0x2772c854 , 0xb67f2a32 ,
0x6d1af28d , 0x3a78cf77 , 0xdff411e4 , 0x61c74ca9 , 0xed8b842e , 0x72880845 , 0x6e857085 , 0xc6404932 ,
0xee37f6bc , 0x27116f48 , 0x5e9ec45a , 0x8ea2a51f , 0xa5573db7 , 0xa746d036 , 0x486b4768 , 0x5b438f3b ,
0x18c54a5c , 0x64fcf08e , 0xe993cdc1 , 0x35c1ead3 , 0x9de07de7 , 0x321b841c , 0x87423c5e , 0x071aa0f6 ,
0x962eb75b , 0xbb06bdd2 , 0xdcdb5363 , 0x389752f2 , 0x83d9cc88 , 0xd014adc6 , 0xc71121bb , 0x2372f938 ,
0xcaff2650 , 0x62be8951 , 0x56dccaff , 0xac4084c0 , 0x09712e95 , 0x1d3c288f , 0x1b085744 , 0xe1d3cfef ,
0x5c9a812e , 0x6611fd59 , 0x85e46044 , 0x1981d885 , 0x5a4c903f , 0x43f30d4b , 0x7d1d601b , 0xdd3c3391 ,
0x030ec65e , 0xc12878cd , 0x72e795fe , 0xd0c76abd , 0x1ec085db , 0x7cbb61fa , 0x93e8dd1e , 0x8582eb06 ,
0x73563144 , 0x049d4e7e , 0x5fd5aefe , 0x7b842a00 , 0x75ced665 , 0xbb32d458 , 0x4e83bba7 , 0x8f15151f ,
0x7795a125 , 0xf0842455 , 0x499af99d , 0x565cc7fa , 0xa3b1278d , 0x3f27ce74 , 0x96ca058e , 0x8a497443 ,
0xa6fb8cae , 0xc115aa21 , 0x17504923 , 0xe4932402 , 0xaea886c2 , 0x8eb79af5 , 0xebd5ea6b , 0xc7980d3b ,
0x71369315 , 0x796e6a66 , 0x3a7ec708 , 0xb05175c8 , 0xe02b74e7 , 0xeb377ad3 , 0x6c8c1f54 , 0xb980c374 ,
0x59aee281 , 0x449cb799 , 0xe01f5605 , 0xed0e085e , 0xc9a1a3b4 , 0xaac481b1 , 0xc935c39c , 0xb7d8ce7f };
int num_rounds = 43;
int capacity = 256;
int rate = 256;
void PrintState( uint32_t * state ) {
int i;
for( i = 0 ; i < 16 ; ++i ) {
printf("0x%02x%02x%02x%02x ", (state[i] >> (3*8)) & 0xff, (state[i] >> (2*8)) & 0xff, (state[i] >> (1*8)) & 0xff, (state[i] >> (0*8)) & 0xff);
}
printf("\n");
}
void EaglesongPermutation( uint32_t * state ) {
uint32_t new[16];
int i, j, k;
//PrintState(state);
for( i = 0 ; i < num_rounds ; ++i ) {
// bit matrix
for( j = 0 ; j < 16 ; ++j ) {
new[j] = 0;
for( k = 0 ; k < 16 ; ++k ) {
new[j] = new[j] ^ (bit_matrix[k*16 + j] * state[k]);
}
}
for( j = 0 ; j < 16 ; ++j ) {
state[j] = new[j];
}
// circulant multiplication
for( j = 0 ; j < 16 ; ++j ) {
state[j] = state[j] ^ (state[j] << coefficients[3*j+1]) ^ (state[j] >> (32-coefficients[3*j+1])) ^ (state[j] << coefficients[3*j+2]) ^ (state[j] >> (32-coefficients[3*j+2]));
}
// constants injection
for( j = 0 ; j < 16 ; ++j ) {
state[j] = state[j] ^ injection_constants[i*16+j];
}
// addition / rotation / addition
for( j = 0 ; j < 16 ; j = j + 2 ) {
state[j] = state[j] + state[j+1];
state[j] = (state[j] << 8) ^ (state[j] >> 24);
state[j+1] = (state[j+1] << 24) ^ (state[j+1] >> 8);
state[j+1] = state[j] + state[j+1];
}
}
}
void EaglesongSponge( unsigned char * output, unsigned int output_length, const unsigned char * input, unsigned int input_length, unsigned char delimiter ) {
uint32_t state[16];
int i, j, k;
uint32_t integer;
// initialize to zero
for( i = 0 ; i < 16 ; ++i ) {
state[i] = 0;
}
// absorbing
for( i = 0 ; i < ((input_length+1)*8+rate-1) / rate ; ++i ) {
for( j = 0 ; j < rate/32 ; ++j ) {
integer = 0;
for( k = 0 ; k < 4 ; ++k ) {
if( i*rate/8 + j*4 + k < input_length ) {
integer = (integer << 8) ^ input[i*rate/8 + j*4 + k];
}
else if( i*rate/8 + j*4 + k == input_length ) {
integer = (integer << 8) ^ delimiter;
}
}
state[j] = state[j] ^ integer;
}
EaglesongPermutation(state);
}
// squeezing
for( i = 0 ; i < output_length/(rate/8) ; ++i ) {
for( j = 0 ; j < rate/32 ; ++j ) {
for( k = 0 ; k < 4 ; ++k ) {
output[i*rate/8 + j*4 + k] = (state[j] >> (8*k)) & 0xff;
}
}
EaglesongPermutation(state);
}
}
void EaglesongHash( unsigned char * output, const unsigned char * input, unsigned int input_length ) {
EaglesongSponge(output, 32, input, input_length, 0x06);
}