Sha256: b39ce98ad6ee23c07acdc945fc22ae5167af722ffdcea077d438a1e8c7ef894f
Contents?: true
Size: 1.07 KB
Versions: 8
Compression:
Stored size: 1.07 KB
Contents
static void
gimli_core(uint32_t state[gimli_BLOCKBYTES / 4])
{
unsigned int round;
unsigned int column;
uint32_t x;
uint32_t y;
uint32_t z;
for (round = 24; round > 0; round--) {
for (column = 0; column < 4; column++) {
x = ROTL32(state[column], 24);
y = ROTL32(state[4 + column], 9);
z = state[8 + column];
state[8 + column] = x ^ (z << 1) ^ ((y & z) << 2);
state[4 + column] = y ^ x ^ ((x | z) << 1);
state[column] = z ^ y ^ ((x & y) << 3);
}
switch (round & 3) {
case 0:
x = state[0];
state[0] = state[1];
state[1] = x;
x = state[2];
state[2] = state[3];
state[3] = x;
state[0] ^= ((uint32_t) 0x9e377900 | round);
break;
case 2:
x = state[0];
state[0] = state[2];
state[2] = x;
x = state[1];
state[1] = state[3];
state[3] = x;
}
}
}
Version data entries
8 entries across 8 versions & 2 rubygems