PRIVATE static void sha256_transform(uint32_t *state, const uint32_t *data)
{
uint32_t W[16];
unsigned j;
#ifdef _sha256_UNROLL2
uint32_t a,b,c,d,e,f,g,h;
a = state[0];
b = state[1];
c = state[2];
d = state[3];
e = state[4];
f = state[5];
g = state[6];
h = state[7];
#else
uint32_t T[8];
for (j = 0; j < 8; j++)
T[j] = state[j];
#endif
for (j = 0; j < 64; j += 16)
{
#if defined(_sha256_UNROLL) || defined(_sha256_UNROLL2)
RX_8(0);
RX_8(8);
#else
unsigned i;
for (i = 0; i < 16; i++) { R(i); }
#endif
}
#ifdef _sha256_UNROLL2
state[0] += a;
state[1] += b;
state[2] += c;
state[3] += d;
state[4] += e;
state[5] += f;
state[6] += g;
state[7] += h;
#else
for (j = 0; j < 8; j++)
state[j] += T[j];
#endif
/* Wipe variables */
/* memset(W, 0, sizeof(W)); */
/* memset(T, 0, sizeof(T)); */
}
static void Sha256_Transform(uint32_t *state, const uint32_t *data) {
uint32_t W[16];
unsigned j;
uint32_t T[8];
for (j = 0; j < 8; j++)
T[j] = state[j];
for (j = 0; j < 64; j += 16) {
RX_8(0);
RX_8(8);
}
for (j = 0; j < 8; j++)
state[j] += T[j];
}
