void sha256_transf(sha256_ctx *ctx, const unsigned char *message, unsigned int block_nb) {
uint32 w[64], wv[8], t1, t2;
const unsigned char *sub_block;
int i;
#ifndef UNROLL_LOOPS
int j;
#endif
for (i = 0; i < (int) block_nb; i++) {
sub_block = message + (i << 6);
#ifndef UNROLL_LOOPS
for (j = 0; j < 16; j++) {
PACK32(&sub_block[j << 2], &w[j]);
}
for (j = 16; j < 64; j++) {
SHA256_SCR(j);
}
for (j = 0; j < 8; j++) {
wv[j] = ctx->h[j];
}
for (j = 0; j < 64; j++) {
t1 = wv[7] + SHA256_F2(wv[4]) + CH(wv[4], wv[5], wv[6])
+ sha256_k[j] + w[j];
t2 = SHA256_F1(wv[0]) + MAJ(wv[0], wv[1], wv[2]);
wv[7] = wv[6];
wv[6] = wv[5];
wv[5] = wv[4];
wv[4] = wv[3] + t1;
wv[3] = wv[2];
wv[2] = wv[1];
wv[1] = wv[0];
wv[0] = t1 + t2;
}
for (j = 0; j < 8; j++) {
ctx->h[j] += wv[j];
}
#else
PACK32(&sub_block[ 0], &w[ 0]);
PACK32(&sub_block[ 4], &w[ 1]);
PACK32(&sub_block[ 8], &w[ 2]);
PACK32(&sub_block[12], &w[ 3]);
PACK32(&sub_block[16], &w[ 4]);
PACK32(&sub_block[20], &w[ 5]);
PACK32(&sub_block[24], &w[ 6]);
PACK32(&sub_block[28], &w[ 7]);
PACK32(&sub_block[32], &w[ 8]);
PACK32(&sub_block[36], &w[ 9]);
PACK32(&sub_block[40], &w[10]);
PACK32(&sub_block[44], &w[11]);
PACK32(&sub_block[48], &w[12]);
PACK32(&sub_block[52], &w[13]);
PACK32(&sub_block[56], &w[14]);
PACK32(&sub_block[60], &w[15]);
SHA256_SCR(16);
SHA256_SCR(17);
SHA256_SCR(18);
SHA256_SCR(19);
SHA256_SCR(20);
SHA256_SCR(21);
SHA256_SCR(22);
SHA256_SCR(23);
SHA256_SCR(24);
SHA256_SCR(25);
SHA256_SCR(26);
SHA256_SCR(27);
SHA256_SCR(28);
SHA256_SCR(29);
SHA256_SCR(30);
SHA256_SCR(31);
SHA256_SCR(32);
SHA256_SCR(33);
SHA256_SCR(34);
SHA256_SCR(35);
SHA256_SCR(36);
SHA256_SCR(37);
SHA256_SCR(38);
SHA256_SCR(39);
SHA256_SCR(40);
SHA256_SCR(41);
SHA256_SCR(42);
SHA256_SCR(43);
SHA256_SCR(44);
SHA256_SCR(45);
SHA256_SCR(46);
SHA256_SCR(47);
SHA256_SCR(48);
SHA256_SCR(49);
SHA256_SCR(50);
SHA256_SCR(51);
SHA256_SCR(52);
SHA256_SCR(53);
SHA256_SCR(54);
SHA256_SCR(55);
SHA256_SCR(56);
SHA256_SCR(57);
SHA256_SCR(58);
SHA256_SCR(59);
SHA256_SCR(60);
SHA256_SCR(61);
SHA256_SCR(62);
SHA256_SCR(63);
wv[0] = ctx->h[0];
wv[1] = ctx->h[1];
wv[2] = ctx->h[2];
wv[3] = ctx->h[3];
wv[4] = ctx->h[4];
wv[5] = ctx->h[5];
wv[6] = ctx->h[6];
wv[7] = ctx->h[7];
SHA256_EXP(0, 1, 2, 3, 4, 5, 6, 7, 0);
SHA256_EXP(7, 0, 1, 2, 3, 4, 5, 6, 1);
SHA256_EXP(6, 7, 0, 1, 2, 3, 4, 5, 2);
SHA256_EXP(5, 6, 7, 0, 1, 2, 3, 4, 3);
SHA256_EXP(4, 5, 6, 7, 0, 1, 2, 3, 4);
SHA256_EXP(3, 4, 5, 6, 7, 0, 1, 2, 5);
SHA256_EXP(2, 3, 4, 5, 6, 7, 0, 1, 6);
SHA256_EXP(1, 2, 3, 4, 5, 6, 7, 0, 7);
SHA256_EXP(0, 1, 2, 3, 4, 5, 6, 7, 8);
SHA256_EXP(7, 0, 1, 2, 3, 4, 5, 6, 9);
SHA256_EXP(6, 7, 0, 1, 2, 3, 4, 5, 10);
SHA256_EXP(5, 6, 7, 0, 1, 2, 3, 4, 11);
SHA256_EXP(4, 5, 6, 7, 0, 1, 2, 3, 12);
SHA256_EXP(3, 4, 5, 6, 7, 0, 1, 2, 13);
SHA256_EXP(2, 3, 4, 5, 6, 7, 0, 1, 14);
SHA256_EXP(1, 2, 3, 4, 5, 6, 7, 0, 15);
SHA256_EXP(0, 1, 2, 3, 4, 5, 6, 7, 16);
SHA256_EXP(7, 0, 1, 2, 3, 4, 5, 6, 17);
SHA256_EXP(6, 7, 0, 1, 2, 3, 4, 5, 18);
SHA256_EXP(5, 6, 7, 0, 1, 2, 3, 4, 19);
SHA256_EXP(4, 5, 6, 7, 0, 1, 2, 3, 20);
SHA256_EXP(3, 4, 5, 6, 7, 0, 1, 2, 21);
SHA256_EXP(2, 3, 4, 5, 6, 7, 0, 1, 22);
SHA256_EXP(1, 2, 3, 4, 5, 6, 7, 0, 23);
SHA256_EXP(0, 1, 2, 3, 4, 5, 6, 7, 24);
SHA256_EXP(7, 0, 1, 2, 3, 4, 5, 6, 25);
SHA256_EXP(6, 7, 0, 1, 2, 3, 4, 5, 26);
SHA256_EXP(5, 6, 7, 0, 1, 2, 3, 4, 27);
SHA256_EXP(4, 5, 6, 7, 0, 1, 2, 3, 28);
SHA256_EXP(3, 4, 5, 6, 7, 0, 1, 2, 29);
SHA256_EXP(2, 3, 4, 5, 6, 7, 0, 1, 30);
SHA256_EXP(1, 2, 3, 4, 5, 6, 7, 0, 31);
SHA256_EXP(0, 1, 2, 3, 4, 5, 6, 7, 32);
SHA256_EXP(7, 0, 1, 2, 3, 4, 5, 6, 33);
SHA256_EXP(6, 7, 0, 1, 2, 3, 4, 5, 34);
SHA256_EXP(5, 6, 7, 0, 1, 2, 3, 4, 35);
SHA256_EXP(4, 5, 6, 7, 0, 1, 2, 3, 36);
SHA256_EXP(3, 4, 5, 6, 7, 0, 1, 2, 37);
SHA256_EXP(2, 3, 4, 5, 6, 7, 0, 1, 38);
SHA256_EXP(1, 2, 3, 4, 5, 6, 7, 0, 39);
SHA256_EXP(0, 1, 2, 3, 4, 5, 6, 7, 40);
SHA256_EXP(7, 0, 1, 2, 3, 4, 5, 6, 41);
SHA256_EXP(6, 7, 0, 1, 2, 3, 4, 5, 42);
SHA256_EXP(5, 6, 7, 0, 1, 2, 3, 4, 43);
SHA256_EXP(4, 5, 6, 7, 0, 1, 2, 3, 44);
SHA256_EXP(3, 4, 5, 6, 7, 0, 1, 2, 45);
SHA256_EXP(2, 3, 4, 5, 6, 7, 0, 1, 46);
SHA256_EXP(1, 2, 3, 4, 5, 6, 7, 0, 47);
SHA256_EXP(0, 1, 2, 3, 4, 5, 6, 7, 48);
SHA256_EXP(7, 0, 1, 2, 3, 4, 5, 6, 49);
SHA256_EXP(6, 7, 0, 1, 2, 3, 4, 5, 50);
SHA256_EXP(5, 6, 7, 0, 1, 2, 3, 4, 51);
SHA256_EXP(4, 5, 6, 7, 0, 1, 2, 3, 52);
SHA256_EXP(3, 4, 5, 6, 7, 0, 1, 2, 53);
SHA256_EXP(2, 3, 4, 5, 6, 7, 0, 1, 54);
SHA256_EXP(1, 2, 3, 4, 5, 6, 7, 0, 55);
SHA256_EXP(0, 1, 2, 3, 4, 5, 6, 7, 56);
SHA256_EXP(7, 0, 1, 2, 3, 4, 5, 6, 57);
SHA256_EXP(6, 7, 0, 1, 2, 3, 4, 5, 58);
SHA256_EXP(5, 6, 7, 0, 1, 2, 3, 4, 59);
SHA256_EXP(4, 5, 6, 7, 0, 1, 2, 3, 60);
SHA256_EXP(3, 4, 5, 6, 7, 0, 1, 2, 61);
SHA256_EXP(2, 3, 4, 5, 6, 7, 0, 1, 62);
SHA256_EXP(1, 2, 3, 4, 5, 6, 7, 0, 63);
ctx->h[0] += wv[0];
ctx->h[1] += wv[1];
ctx->h[2] += wv[2];
ctx->h[3] += wv[3];
ctx->h[4] += wv[4];
ctx->h[5] += wv[5];
ctx->h[6] += wv[6];
ctx->h[7] += wv[7];
#endif
}
}
void sha512_transf(sha512_ctx *ctx, const unsigned char *message,
unsigned int block_nb)
{
uint64 w[80];
uint64 wv[8];
uint64 t1, t2;
const unsigned char *sub_block;
int i, j;
for (i = 0; i < (int) block_nb; i++) {
sub_block = message + (i << 7);
#ifndef UNROLL_LOOPS
for (j = 0; j < 16; j++) {
PACK64(&sub_block[j << 3], &w[j]);
}
for (j = 16; j < 80; j++) {
SHA512_SCR(j);
}
for (j = 0; j < 8; j++) {
wv[j] = ctx->h[j];
}
for (j = 0; j < 80; j++) {
t1 = wv[7] + SHA512_F2(wv[4]) + CH(wv[4], wv[5], wv[6])
+ sha512_k[j] + w[j];
t2 = SHA512_F1(wv[0]) + MAJ(wv[0], wv[1], wv[2]);
wv[7] = wv[6];
wv[6] = wv[5];
wv[5] = wv[4];
wv[4] = wv[3] + t1;
wv[3] = wv[2];
wv[2] = wv[1];
wv[1] = wv[0];
wv[0] = t1 + t2;
}
for (j = 0; j < 8; j++) {
ctx->h[j] += wv[j];
}
#else
PACK64(&sub_block[ 0], &w[ 0]); PACK64(&sub_block[ 8], &w[ 1]);
PACK64(&sub_block[ 16], &w[ 2]); PACK64(&sub_block[ 24], &w[ 3]);
PACK64(&sub_block[ 32], &w[ 4]); PACK64(&sub_block[ 40], &w[ 5]);
PACK64(&sub_block[ 48], &w[ 6]); PACK64(&sub_block[ 56], &w[ 7]);
PACK64(&sub_block[ 64], &w[ 8]); PACK64(&sub_block[ 72], &w[ 9]);
PACK64(&sub_block[ 80], &w[10]); PACK64(&sub_block[ 88], &w[11]);
PACK64(&sub_block[ 96], &w[12]); PACK64(&sub_block[104], &w[13]);
PACK64(&sub_block[112], &w[14]); PACK64(&sub_block[120], &w[15]);
SHA512_SCR(16); SHA512_SCR(17); SHA512_SCR(18); SHA512_SCR(19);
SHA512_SCR(20); SHA512_SCR(21); SHA512_SCR(22); SHA512_SCR(23);
SHA512_SCR(24); SHA512_SCR(25); SHA512_SCR(26); SHA512_SCR(27);
SHA512_SCR(28); SHA512_SCR(29); SHA512_SCR(30); SHA512_SCR(31);
SHA512_SCR(32); SHA512_SCR(33); SHA512_SCR(34); SHA512_SCR(35);
SHA512_SCR(36); SHA512_SCR(37); SHA512_SCR(38); SHA512_SCR(39);
SHA512_SCR(40); SHA512_SCR(41); SHA512_SCR(42); SHA512_SCR(43);
SHA512_SCR(44); SHA512_SCR(45); SHA512_SCR(46); SHA512_SCR(47);
SHA512_SCR(48); SHA512_SCR(49); SHA512_SCR(50); SHA512_SCR(51);
SHA512_SCR(52); SHA512_SCR(53); SHA512_SCR(54); SHA512_SCR(55);
SHA512_SCR(56); SHA512_SCR(57); SHA512_SCR(58); SHA512_SCR(59);
SHA512_SCR(60); SHA512_SCR(61); SHA512_SCR(62); SHA512_SCR(63);
SHA512_SCR(64); SHA512_SCR(65); SHA512_SCR(66); SHA512_SCR(67);
SHA512_SCR(68); SHA512_SCR(69); SHA512_SCR(70); SHA512_SCR(71);
SHA512_SCR(72); SHA512_SCR(73); SHA512_SCR(74); SHA512_SCR(75);
SHA512_SCR(76); SHA512_SCR(77); SHA512_SCR(78); SHA512_SCR(79);
wv[0] = ctx->h[0]; wv[1] = ctx->h[1];
wv[2] = ctx->h[2]; wv[3] = ctx->h[3];
wv[4] = ctx->h[4]; wv[5] = ctx->h[5];
wv[6] = ctx->h[6]; wv[7] = ctx->h[7];
j = 0;
do {
SHA512_EXP(0,1,2,3,4,5,6,7,j); j++;
SHA512_EXP(7,0,1,2,3,4,5,6,j); j++;
SHA512_EXP(6,7,0,1,2,3,4,5,j); j++;
SHA512_EXP(5,6,7,0,1,2,3,4,j); j++;
SHA512_EXP(4,5,6,7,0,1,2,3,j); j++;
SHA512_EXP(3,4,5,6,7,0,1,2,j); j++;
SHA512_EXP(2,3,4,5,6,7,0,1,j); j++;
SHA512_EXP(1,2,3,4,5,6,7,0,j); j++;
} while (j < 80);
ctx->h[0] += wv[0]; ctx->h[1] += wv[1];
ctx->h[2] += wv[2]; ctx->h[3] += wv[3];
ctx->h[4] += wv[4]; ctx->h[5] += wv[5];
ctx->h[6] += wv[6]; ctx->h[7] += wv[7];
#endif /* !UNROLL_LOOPS */
}
}
