diff options
Diffstat (limited to 'benchmarks/CHStone/aes/aes.c')
| -rwxr-xr-x | benchmarks/CHStone/aes/aes.c | 749 |
1 files changed, 738 insertions, 11 deletions
diff --git a/benchmarks/CHStone/aes/aes.c b/benchmarks/CHStone/aes/aes.c index a0cdf2d..efbb5d8 100755 --- a/benchmarks/CHStone/aes/aes.c +++ b/benchmarks/CHStone/aes/aes.c @@ -62,17 +62,707 @@ #include <stdio.h> -int main_result; +int +SubByte (int in, const int Sbox[16][16]) +{ + return Sbox[(in / 16)][(in % 16)]; +} + + +/* **************** key expand ************************ */ +int +KeySchedule (int type, int key[32], int word[4][120], const int Sbox[16][16]) +{ + int nk, nb, round_val; + int i, j, temp[4]; + const int Rcon0[30] = { + 0x01, 0x02, 0x04, 0x08, + 0x10, 0x20, 0x40, 0x80, + 0x1b, 0x36, 0x6c, 0xd8, + 0xab, 0x4d, 0x9a, 0x2f, + 0x5e, 0xbc, 0x63, 0xc6, + 0x97, 0x35, 0x6a, 0xd4, + 0xb3, 0x7d, 0xfa, 0xef, + 0xc5, 0x91, + }; + + + switch (type) + { + case 128128: + nk = 4; + nb = 4; + round_val = 10; + break; + case 128192: + nk = 4; + nb = 6; + round_val = 12; + break; + case 128256: + nk = 4; + nb = 8; + round_val = 14; + break; + case 192128: + nk = 6; + nb = 4; + round_val = 12; + break; + case 192192: + nk = 6; + nb = 6; + round_val = 12; + break; + case 192256: + nk = 6; + nb = 8; + round_val = 14; + break; + case 256128: + nk = 8; + nb = 4; + round_val = 14; + break; + case 256192: + nk = 8; + nb = 6; + round_val = 14; + break; + case 256256: + nk = 8; + nb = 8; + round_val = 14; + break; + default: + return -1; + } + for (j = 0; j < nk; ++j) + for (i = 0; i < 4; ++i) +/* 0 word */ + word[i][j] = key[i + j * 4]; + +/* expanded key is generated */ + for (j = nk; j < nb * (round_val + 1); ++j) + { + +/* RotByte */ + if ((j % nk) == 0) + { + temp[0] = SubByte (word[1][j - 1], Sbox) ^ Rcon0[(j / nk) - 1]; + temp[1] = SubByte (word[2][j - 1], Sbox); + temp[2] = SubByte (word[3][j - 1], Sbox); + temp[3] = SubByte (word[0][j - 1], Sbox); + } + if ((j % nk) != 0) + { + temp[0] = word[0][j - 1]; + temp[1] = word[1][j - 1]; + temp[2] = word[2][j - 1]; + temp[3] = word[3][j - 1]; + } + if (nk > 6 && j % nk == 4) + for (i = 0; i < 4; ++i) + temp[i] = SubByte (temp[i], Sbox); + for (i = 0; i < 4; ++i) + word[i][j] = word[i][j - nk] ^ temp[i]; + } + return 0; +} + +/* ********* ByteSub & ShiftRow ********* */ +void +ByteSub_ShiftRow (int statemt[32], int nb, const int Sbox[16][16]) +{ + int temp; + + switch (nb) + { + case 4: + temp = Sbox[statemt[1] >> 4][statemt[1] & 0xf]; + statemt[1] = Sbox[statemt[5] >> 4][statemt[5] & 0xf]; + statemt[5] = Sbox[statemt[9] >> 4][statemt[9] & 0xf]; + statemt[9] = Sbox[statemt[13] >> 4][statemt[13] & 0xf]; + statemt[13] = temp; + + temp = Sbox[statemt[2] >> 4][statemt[2] & 0xf]; + statemt[2] = Sbox[statemt[10] >> 4][statemt[10] & 0xf]; + statemt[10] = temp; + temp = Sbox[statemt[6] >> 4][statemt[6] & 0xf]; + statemt[6] = Sbox[statemt[14] >> 4][statemt[14] & 0xf]; + statemt[14] = temp; + + temp = Sbox[statemt[3] >> 4][statemt[3] & 0xf]; + statemt[3] = Sbox[statemt[15] >> 4][statemt[15] & 0xf]; + statemt[15] = Sbox[statemt[11] >> 4][statemt[11] & 0xf]; + statemt[11] = Sbox[statemt[7] >> 4][statemt[7] & 0xf]; + statemt[7] = temp; + + statemt[0] = Sbox[statemt[0] >> 4][statemt[0] & 0xf]; + statemt[4] = Sbox[statemt[4] >> 4][statemt[4] & 0xf]; + statemt[8] = Sbox[statemt[8] >> 4][statemt[8] & 0xf]; + statemt[12] = Sbox[statemt[12] >> 4][statemt[12] & 0xf]; + break; + case 6: + temp = Sbox[statemt[1] >> 4][statemt[1] & 0xf]; + statemt[1] = Sbox[statemt[5] >> 4][statemt[5] & 0xf]; + statemt[5] = Sbox[statemt[9] >> 4][statemt[9] & 0xf]; + statemt[9] = Sbox[statemt[13] >> 4][statemt[13] & 0xf]; + statemt[13] = Sbox[statemt[17] >> 4][statemt[17] & 0xf]; + statemt[17] = Sbox[statemt[21] >> 4][statemt[21] & 0xf]; + statemt[21] = temp; + + temp = Sbox[statemt[2] >> 4][statemt[2] & 0xf]; + statemt[2] = Sbox[statemt[10] >> 4][statemt[10] & 0xf]; + statemt[10] = Sbox[statemt[18] >> 4][statemt[18] & 0xf]; + statemt[18] = temp; + temp = Sbox[statemt[6] >> 4][statemt[6] & 0xf]; + statemt[6] = Sbox[statemt[14] >> 4][statemt[14] & 0xf]; + statemt[14] = Sbox[statemt[22] >> 4][statemt[22] & 0xf]; + statemt[22] = temp; + + temp = Sbox[statemt[3] >> 4][statemt[3] & 0xf]; + statemt[3] = Sbox[statemt[15] >> 4][statemt[15] & 0xf]; + statemt[15] = temp; + temp = Sbox[statemt[7] >> 4][statemt[7] & 0xf]; + statemt[7] = Sbox[statemt[19] >> 4][statemt[19] & 0xf]; + statemt[19] = temp; + temp = Sbox[statemt[11] >> 4][statemt[11] & 0xf]; + statemt[11] = Sbox[statemt[23] >> 4][statemt[23] & 0xf]; + statemt[23] = temp; + + statemt[0] = Sbox[statemt[0] >> 4][statemt[0] & 0xf]; + statemt[4] = Sbox[statemt[4] >> 4][statemt[4] & 0xf]; + statemt[8] = Sbox[statemt[8] >> 4][statemt[8] & 0xf]; + statemt[12] = Sbox[statemt[12] >> 4][statemt[12] & 0xf]; + statemt[16] = Sbox[statemt[16] >> 4][statemt[16] & 0xf]; + statemt[20] = Sbox[statemt[20] >> 4][statemt[20] & 0xf]; + break; + case 8: + temp = Sbox[statemt[1] >> 4][statemt[1] & 0xf]; + statemt[1] = Sbox[statemt[5] >> 4][statemt[5] & 0xf]; + statemt[5] = Sbox[statemt[9] >> 4][statemt[9] & 0xf]; + statemt[9] = Sbox[statemt[13] >> 4][statemt[13] & 0xf]; + statemt[13] = Sbox[statemt[17] >> 4][statemt[17] & 0xf]; + statemt[17] = Sbox[statemt[21] >> 4][statemt[21] & 0xf]; + statemt[21] = Sbox[statemt[25] >> 4][statemt[25] & 0xf]; + statemt[25] = Sbox[statemt[29] >> 4][statemt[29] & 0xf]; + statemt[29] = temp; + + temp = Sbox[statemt[2] >> 4][statemt[2] & 0xf]; + statemt[2] = Sbox[statemt[14] >> 4][statemt[14] & 0xf]; + statemt[14] = Sbox[statemt[26] >> 4][statemt[26] & 0xf]; + statemt[26] = Sbox[statemt[6] >> 4][statemt[6] & 0xf]; + statemt[6] = Sbox[statemt[18] >> 4][statemt[18] & 0xf]; + statemt[18] = Sbox[statemt[30] >> 4][statemt[30] & 0xf]; + statemt[30] = Sbox[statemt[10] >> 4][statemt[10] & 0xf]; + statemt[10] = Sbox[statemt[22] >> 4][statemt[22] & 0xf]; + statemt[22] = temp; + + temp = Sbox[statemt[3] >> 4][statemt[3] & 0xf]; + statemt[3] = Sbox[statemt[19] >> 4][statemt[19] & 0xf]; + statemt[19] = temp; + temp = Sbox[statemt[7] >> 4][statemt[7] & 0xf]; + statemt[7] = Sbox[statemt[23] >> 4][statemt[23] & 0xf]; + statemt[23] = temp; + temp = Sbox[statemt[11] >> 4][statemt[11] & 0xf]; + statemt[11] = Sbox[statemt[27] >> 4][statemt[27] & 0xf]; + statemt[27] = temp; + temp = Sbox[statemt[15] >> 4][statemt[15] & 0xf]; + statemt[15] = Sbox[statemt[31] >> 4][statemt[31] & 0xf]; + statemt[31] = temp; + + statemt[0] = Sbox[statemt[0] >> 4][statemt[0] & 0xf]; + statemt[4] = Sbox[statemt[4] >> 4][statemt[4] & 0xf]; + statemt[8] = Sbox[statemt[8] >> 4][statemt[8] & 0xf]; + statemt[12] = Sbox[statemt[12] >> 4][statemt[12] & 0xf]; + statemt[16] = Sbox[statemt[16] >> 4][statemt[16] & 0xf]; + statemt[20] = Sbox[statemt[20] >> 4][statemt[20] & 0xf]; + statemt[24] = Sbox[statemt[24] >> 4][statemt[24] & 0xf]; + statemt[28] = Sbox[statemt[28] >> 4][statemt[28] & 0xf]; + break; + } +} + +/* ********* InversShiftRow & ByteSub ********* */ +void +InversShiftRow_ByteSub (int statemt[32], int nb, const int invSbox[16][16]) +{ + int temp; + + switch (nb) + { + case 4: + temp = invSbox[statemt[13] >> 4][statemt[13] & 0xf]; + statemt[13] = invSbox[statemt[9] >> 4][statemt[9] & 0xf]; + statemt[9] = invSbox[statemt[5] >> 4][statemt[5] & 0xf]; + statemt[5] = invSbox[statemt[1] >> 4][statemt[1] & 0xf]; + statemt[1] = temp; + + temp = invSbox[statemt[14] >> 4][statemt[14] & 0xf]; + statemt[14] = invSbox[statemt[6] >> 4][statemt[6] & 0xf]; + statemt[6] = temp; + temp = invSbox[statemt[2] >> 4][statemt[2] & 0xf]; + statemt[2] = invSbox[statemt[10] >> 4][statemt[10] & 0xf]; + statemt[10] = temp; + + temp = invSbox[statemt[15] >> 4][statemt[15] & 0xf]; + statemt[15] = invSbox[statemt[3] >> 4][statemt[3] & 0xf]; + statemt[3] = invSbox[statemt[7] >> 4][statemt[7] & 0xf]; + statemt[7] = invSbox[statemt[11] >> 4][statemt[11] & 0xf]; + statemt[11] = temp; + + statemt[0] = invSbox[statemt[0] >> 4][statemt[0] & 0xf]; + statemt[4] = invSbox[statemt[4] >> 4][statemt[4] & 0xf]; + statemt[8] = invSbox[statemt[8] >> 4][statemt[8] & 0xf]; + statemt[12] = invSbox[statemt[12] >> 4][statemt[12] & 0xf]; + break; + case 6: + temp = invSbox[statemt[21] >> 4][statemt[21] & 0xf]; + statemt[21] = invSbox[statemt[17] >> 4][statemt[17] & 0xf]; + statemt[17] = invSbox[statemt[13] >> 4][statemt[13] & 0xf]; + statemt[13] = invSbox[statemt[9] >> 4][statemt[9] & 0xf]; + statemt[9] = invSbox[statemt[5] >> 4][statemt[5] & 0xf]; + statemt[5] = invSbox[statemt[1] >> 4][statemt[1] & 0xf]; + statemt[1] = temp; + + temp = invSbox[statemt[22] >> 4][statemt[22] & 0xf]; + statemt[22] = invSbox[statemt[14] >> 4][statemt[14] & 0xf]; + statemt[14] = invSbox[statemt[6] >> 4][statemt[6] & 0xf]; + statemt[6] = temp; + temp = invSbox[statemt[18] >> 4][statemt[18] & 0xf]; + statemt[18] = invSbox[statemt[10] >> 4][statemt[10] & 0xf]; + statemt[10] = invSbox[statemt[2] >> 4][statemt[2] & 0xf]; + statemt[2] = temp; + + temp = invSbox[statemt[15] >> 4][statemt[15] & 0xf]; + statemt[15] = invSbox[statemt[3] >> 4][statemt[3] & 0xf]; + statemt[3] = temp; + temp = invSbox[statemt[19] >> 4][statemt[19] & 0xf]; + statemt[19] = invSbox[statemt[7] >> 4][statemt[7] & 0xf]; + statemt[7] = temp; + temp = invSbox[statemt[23] >> 4][statemt[23] & 0xf]; + statemt[23] = invSbox[statemt[11] >> 4][statemt[11] & 0xf]; + statemt[11] = temp; + + statemt[0] = invSbox[statemt[0] >> 4][statemt[0] & 0xf]; + statemt[4] = invSbox[statemt[4] >> 4][statemt[4] & 0xf]; + statemt[8] = invSbox[statemt[8] >> 4][statemt[8] & 0xf]; + statemt[12] = invSbox[statemt[12] >> 4][statemt[12] & 0xf]; + statemt[16] = invSbox[statemt[16] >> 4][statemt[16] & 0xf]; + statemt[20] = invSbox[statemt[20] >> 4][statemt[20] & 0xf]; + break; + case 8: + temp = invSbox[statemt[29] >> 4][statemt[29] & 0xf]; + statemt[29] = invSbox[statemt[25] >> 4][statemt[25] & 0xf]; + statemt[25] = invSbox[statemt[21] >> 4][statemt[21] & 0xf]; + statemt[21] = invSbox[statemt[17] >> 4][statemt[17] & 0xf]; + statemt[17] = invSbox[statemt[13] >> 4][statemt[13] & 0xf]; + statemt[13] = invSbox[statemt[9] >> 4][statemt[9] & 0xf]; + statemt[9] = invSbox[statemt[5] >> 4][statemt[5] & 0xf]; + statemt[5] = invSbox[statemt[1] >> 4][statemt[1] & 0xf]; + statemt[1] = temp; + + temp = invSbox[statemt[30] >> 4][statemt[30] & 0xf]; + statemt[30] = invSbox[statemt[18] >> 4][statemt[18] & 0xf]; + statemt[18] = invSbox[statemt[6] >> 4][statemt[6] & 0xf]; + statemt[6] = invSbox[statemt[26] >> 4][statemt[26] & 0xf]; + statemt[26] = invSbox[statemt[14] >> 4][statemt[14] & 0xf]; + statemt[14] = invSbox[statemt[2] >> 4][statemt[2] & 0xf]; + statemt[2] = invSbox[statemt[22] >> 4][statemt[22] & 0xf]; + statemt[22] = invSbox[statemt[10] >> 4][statemt[10] & 0xf]; + statemt[10] = temp; + + temp = invSbox[statemt[31] >> 4][statemt[31] & 0xf]; + statemt[31] = invSbox[statemt[15] >> 4][statemt[15] & 0xf]; + statemt[15] = temp; + temp = invSbox[statemt[27] >> 4][statemt[27] & 0xf]; + statemt[27] = invSbox[statemt[11] >> 4][statemt[11] & 0xf]; + statemt[11] = temp; + temp = invSbox[statemt[23] >> 4][statemt[23] & 0xf]; + statemt[23] = invSbox[statemt[7] >> 4][statemt[7] & 0xf]; + statemt[7] = temp; + temp = invSbox[statemt[19] >> 4][statemt[19] & 0xf]; + statemt[19] = invSbox[statemt[3] >> 4][statemt[3] & 0xf]; + statemt[3] = temp; + + statemt[0] = invSbox[statemt[0] >> 4][statemt[0] & 0xf]; + statemt[4] = invSbox[statemt[4] >> 4][statemt[4] & 0xf]; + statemt[8] = invSbox[statemt[8] >> 4][statemt[8] & 0xf]; + statemt[12] = invSbox[statemt[12] >> 4][statemt[12] & 0xf]; + statemt[16] = invSbox[statemt[16] >> 4][statemt[16] & 0xf]; + statemt[20] = invSbox[statemt[20] >> 4][statemt[20] & 0xf]; + statemt[24] = invSbox[statemt[24] >> 4][statemt[24] & 0xf]; + statemt[28] = invSbox[statemt[28] >> 4][statemt[28] & 0xf]; + break; + } +} + +/* ******** MixColumn ********** */ +int +MixColumn_AddRoundKey (int statemt[32], int nb, int n, int word[4][120]) +{ + int ret[8 * 4], j; + register int x; + + for (j = 0; j < nb; ++j) + { + ret[j * 4] = (statemt[j * 4] << 1); + if ((ret[j * 4] >> 8) == 1) + ret[j * 4] ^= 283; + x = statemt[1 + j * 4]; + x ^= (x << 1); + if ((x >> 8) == 1) + ret[j * 4] ^= (x ^ 283); + else + ret[j * 4] ^= x; + ret[j * 4] ^= + statemt[2 + j * 4] ^ statemt[3 + j * 4] ^ word[0][j + nb * n]; + + ret[1 + j * 4] = (statemt[1 + j * 4] << 1); + if ((ret[1 + j * 4] >> 8) == 1) + ret[1 + j * 4] ^= 283; + x = statemt[2 + j * 4]; + x ^= (x << 1); + if ((x >> 8) == 1) + ret[1 + j * 4] ^= (x ^ 283); + else + ret[1 + j * 4] ^= x; + ret[1 + j * 4] ^= + statemt[3 + j * 4] ^ statemt[j * 4] ^ word[1][j + nb * n]; + + ret[2 + j * 4] = (statemt[2 + j * 4] << 1); + if ((ret[2 + j * 4] >> 8) == 1) + ret[2 + j * 4] ^= 283; + x = statemt[3 + j * 4]; + x ^= (x << 1); + if ((x >> 8) == 1) + ret[2 + j * 4] ^= (x ^ 283); + else + ret[2 + j * 4] ^= x; + ret[2 + j * 4] ^= + statemt[j * 4] ^ statemt[1 + j * 4] ^ word[2][j + nb * n]; + + ret[3 + j * 4] = (statemt[3 + j * 4] << 1); + if ((ret[3 + j * 4] >> 8) == 1) + ret[3 + j * 4] ^= 283; + x = statemt[j * 4]; + x ^= (x << 1); + if ((x >> 8) == 1) + ret[3 + j * 4] ^= (x ^ 283); + else + ret[3 + j * 4] ^= x; + ret[3 + j * 4] ^= + statemt[1 + j * 4] ^ statemt[2 + j * 4] ^ word[3][j + nb * n]; + } + for (j = 0; j < nb; ++j) + { + statemt[j * 4] = ret[j * 4]; + statemt[1 + j * 4] = ret[1 + j * 4]; + statemt[2 + j * 4] = ret[2 + j * 4]; + statemt[3 + j * 4] = ret[3 + j * 4]; + } + return 0; +} + +/* ******** InversMixColumn ********** */ +int +AddRoundKey_InversMixColumn (int statemt[32], int nb, int n, int word[4][120]) +{ + int ret[8 * 4], i, j; + register int x; + + for (j = 0; j < nb; ++j) + { + statemt[j * 4] ^= word[0][j + nb * n]; + statemt[1 + j * 4] ^= word[1][j + nb * n]; + statemt[2 + j * 4] ^= word[2][j + nb * n]; + statemt[3 + j * 4] ^= word[3][j + nb * n]; + } + for (j = 0; j < nb; ++j) + for (i = 0; i < 4; ++i) + { + x = (statemt[i + j * 4] << 1); + if ((x >> 8) == 1) + x ^= 283; + x ^= statemt[i + j * 4]; + x = (x << 1); + if ((x >> 8) == 1) + x ^= 283; + x ^= statemt[i + j * 4]; + x = (x << 1); + if ((x >> 8) == 1) + x ^= 283; + ret[i + j * 4] = x; + + x = (statemt[(i + 1) % 4 + j * 4] << 1); + if ((x >> 8) == 1) + x ^= 283; + x = (x << 1); + if ((x >> 8) == 1) + x ^= 283; + x ^= statemt[(i + 1) % 4 + j * 4]; + x = (x << 1); + if ((x >> 8) == 1) + x ^= 283; + x ^= statemt[(i + 1) % 4 + j * 4]; + ret[i + j * 4] ^= x; -#include "aes.h" -#include "aes_enc.c" -#include "aes_dec.c" -#include "aes_key.c" -#include "aes_func.c" + x = (statemt[(i + 2) % 4 + j * 4] << 1); + if ((x >> 8) == 1) + x ^= 283; + x ^= statemt[(i + 2) % 4 + j * 4]; + x = (x << 1); + if ((x >> 8) == 1) + x ^= 283; + x = (x << 1); + if ((x >> 8) == 1) + x ^= 283; + x ^= statemt[(i + 2) % 4 + j * 4]; + ret[i + j * 4] ^= x; + + x = (statemt[(i + 3) % 4 + j * 4] << 1); + if ((x >> 8) == 1) + x ^= 283; + x = (x << 1); + if ((x >> 8) == 1) + x ^= 283; + x = (x << 1); + if ((x >> 8) == 1) + x ^= 283; + x ^= statemt[(i + 3) % 4 + j * 4]; + ret[i + j * 4] ^= x; + } + for (i = 0; i < nb; ++i) + { + statemt[i * 4] = ret[i * 4]; + statemt[1 + i * 4] = ret[1 + i * 4]; + statemt[2 + i * 4] = ret[2 + i * 4]; + statemt[3 + i * 4] = ret[3 + i * 4]; + } + return 0; +} + +/* ******** AddRoundKey ********** */ +int +AddRoundKey (int statemt[32], int type, int n, int word[4][120]) +{ + int j, nb; + switch (type) + { + case 128128: + case 192128: + case 256128: + nb = 4; + break; + case 128192: + case 192192: + case 256192: + nb = 6; + break; + case 128256: + case 192256: + case 256256: + nb = 8; + break; + } + for (j = 0; j < nb; ++j) + { + statemt[j * 4] ^= word[0][j + nb * n]; + statemt[1 + j * 4] ^= word[1][j + nb * n]; + statemt[2 + j * 4] ^= word[2][j + nb * n]; + statemt[3 + j * 4] ^= word[3][j + nb * n]; + } + return 0; +} +int +encrypt (int statemt[32], int key[32], int type, int *main_result, const int Sbox[16][16]) +{ + int i; + int nb; + int round_val; + int word[4][120]; +/* ++--------------------------------------------------------------------------+ +| * Test Vector (added for CHStone) | +| out_enc_statemt : expected output data for "encrypt" | ++--------------------------------------------------------------------------+ +*/ + const int out_enc_statemt[16] = + { 0x39, 0x25, 0x84, 0x1d, 0x2, 0xdc, 0x9, 0xfb, 0xdc, 0x11, 0x85, 0x97, + 0x19, 0x6a, 0xb, 0x32 + }; + + KeySchedule (type, key, word, Sbox); + switch (type) + { + case 128128: + round_val = 0; + nb = 4; + break; + case 192128: + round_val = 2; + nb = 4; + break; + case 256128: + round_val = 4; + nb = 4; + break; + case 128192: + case 192192: + round_val = 2; + nb = 6; + break; + case 256192: + round_val = 4; + nb = 6; + break; + case 128256: + case 192256: + case 256256: + round_val = 4; + nb = 8; + break; + } + AddRoundKey (statemt, type, 0, word); + for (i = 1; i <= round_val + 9; ++i) + { + ByteSub_ShiftRow (statemt, nb, Sbox); + MixColumn_AddRoundKey (statemt, nb, i, word); + } + ByteSub_ShiftRow (statemt, nb, Sbox); + AddRoundKey (statemt, type, i, word); +/* + printf ("encrypted message \t"); + for (i = 0; i < nb * 4; ++i) + { + if (statemt[i] < 16) + printf ("0"); + printf ("%x", statemt[i]); + } +*/ + for (i = 0; i < 16; i++) + *main_result += (statemt[i] != out_enc_statemt[i]); + + return 0; +} + +int +decrypt (int statemt[32], int key[32], int type, int *main_result, const int Sbox[16][16]) +{ + int i; + int nb; + int round_val; + int word[4][120]; + const int invSbox[16][16] = { + {0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, + 0x81, 0xf3, 0xd7, 0xfb}, + {0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, 0x34, 0x8e, 0x43, 0x44, + 0xc4, 0xde, 0xe9, 0xcb}, + {0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, + 0x42, 0xfa, 0xc3, 0x4e}, + {0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, + 0x6d, 0x8b, 0xd1, 0x25}, + {0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xd4, 0xa4, 0x5c, 0xcc, + 0x5d, 0x65, 0xb6, 0x92}, + {0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, + 0xa7, 0x8d, 0x9d, 0x84}, + {0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, + 0xb8, 0xb3, 0x45, 0x06}, + {0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, 0xc1, 0xaf, 0xbd, 0x03, + 0x01, 0x13, 0x8a, 0x6b}, + {0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, + 0xf0, 0xb4, 0xe6, 0x73}, + {0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, + 0x1c, 0x75, 0xdf, 0x6e}, + {0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, 0x6f, 0xb7, 0x62, 0x0e, + 0xaa, 0x18, 0xbe, 0x1b}, + {0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, + 0x78, 0xcd, 0x5a, 0xf4}, + {0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, + 0x27, 0x80, 0xec, 0x5f}, + {0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, 0x2d, 0xe5, 0x7a, 0x9f, + 0x93, 0xc9, 0x9c, 0xef}, + {0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, + 0x83, 0x53, 0x99, 0x61}, + {0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, + 0x55, 0x21, 0x0c, 0x7d} + }; +/* ++--------------------------------------------------------------------------+ +| * Test Vector (added for CHStone) | +| out_enc_statemt : expected output data for "decrypt" | ++--------------------------------------------------------------------------+ +*/ + const int out_dec_statemt[16] = + { 0x32, 0x43, 0xf6, 0xa8, 0x88, 0x5a, 0x30, 0x8d, 0x31, 0x31, 0x98, 0xa2, + 0xe0, 0x37, 0x7, 0x34 + }; + KeySchedule (type, key, word, Sbox); + + switch (type) + { + case 128128: + round_val = 10; + nb = 4; + break; + case 128192: + case 192192: + round_val = 12; + nb = 6; + break; + case 192128: + round_val = 12; + nb = 4; + break; + case 128256: + case 192256: + round_val = 14; + nb = 8; + break; + case 256128: + round_val = 14; + nb = 4; + break; + case 256192: + round_val = 14; + nb = 6; + break; + case 256256: + round_val = 14; + nb = 8; + break; + } + + AddRoundKey (statemt, type, round_val, word); + + InversShiftRow_ByteSub (statemt, nb, invSbox); + + for (i = round_val - 1; i >= 1; --i) + { + AddRoundKey_InversMixColumn (statemt, nb, i, word); + InversShiftRow_ByteSub (statemt, nb, invSbox); + } + + AddRoundKey (statemt, type, 0, word); +/* + printf ("\ndecrypto message\t"); + for (i = 0; i < ((type % 1000) / 8); ++i) + { + if (statemt[i] < 16) + printf ("0"); + printf ("%x", statemt[i]); + } +*/ + for (i = 0; i < 16; i++) + *main_result += (statemt[i] != out_dec_statemt[i]); + + return 0; +} /* ***************** main **************************** */ int -aes_main (void) +aes_main (int *res) { /* +--------------------------------------------------------------------------+ @@ -80,6 +770,8 @@ aes_main (void) | statemt, key : input data | +--------------------------------------------------------------------------+ */ + int key[32]; + int statemt[32]; statemt[0] = 50; statemt[1] = 67; statemt[2] = 246; @@ -113,17 +805,52 @@ aes_main (void) key[13] = 207; key[14] = 79; key[15] = 60; +const int Sbox[16][16] = { + {0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, + 0xfe, 0xd7, 0xab, 0x76}, + {0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, + 0x9c, 0xa4, 0x72, 0xc0}, + {0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, + 0x71, 0xd8, 0x31, 0x15}, + {0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, + 0xeb, 0x27, 0xb2, 0x75}, + {0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, + 0x29, 0xe3, 0x2f, 0x84}, + {0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, + 0x4a, 0x4c, 0x58, 0xcf}, + {0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, + 0x50, 0x3c, 0x9f, 0xa8}, + {0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, + 0x10, 0xff, 0xf3, 0xd2}, + {0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, + 0x64, 0x5d, 0x19, 0x73}, + {0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, + 0xde, 0x5e, 0x0b, 0xdb}, + {0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, + 0x91, 0x95, 0xe4, 0x79}, + {0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, + 0x65, 0x7a, 0xae, 0x08}, + {0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, + 0x4b, 0xbd, 0x8b, 0x8a}, + {0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, + 0x86, 0xc1, 0x1d, 0x9e}, + {0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, + 0xce, 0x55, 0x28, 0xdf}, + {0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, + 0xb0, 0x54, 0xbb, 0x16} +}; - encrypt (statemt, key, 128128); - decrypt (statemt, key, 128128); + encrypt (statemt, key, 128128, res, Sbox); + decrypt (statemt, key, 128128, res, Sbox); return 0; } int main () { + int main_result; main_result = 0; - aes_main (); - printf ("\n%d\n", main_result); + aes_main (&main_result); + //printf ("\n%d\n", main_result); return main_result; } |