mirror of https://github.com/GOSTSec/sgminer
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
84 lines
3.3 KiB
84 lines
3.3 KiB
/* |
|
* keccak_1600 function |
|
* C. Buchner 2014 |
|
* |
|
*/ |
|
|
|
__constant static const sph_u64 RC[] = { |
|
SPH_C64(0x0000000000000001), SPH_C64(0x0000000000008082), |
|
SPH_C64(0x800000000000808A), SPH_C64(0x8000000080008000), |
|
SPH_C64(0x000000000000808B), SPH_C64(0x0000000080000001), |
|
SPH_C64(0x8000000080008081), SPH_C64(0x8000000000008009), |
|
SPH_C64(0x000000000000008A), SPH_C64(0x0000000000000088), |
|
SPH_C64(0x0000000080008009), SPH_C64(0x000000008000000A), |
|
SPH_C64(0x000000008000808B), SPH_C64(0x800000000000008B), |
|
SPH_C64(0x8000000000008089), SPH_C64(0x8000000000008003), |
|
SPH_C64(0x8000000000008002), SPH_C64(0x8000000000000080), |
|
SPH_C64(0x000000000000800A), SPH_C64(0x800000008000000A), |
|
SPH_C64(0x8000000080008081), SPH_C64(0x8000000000008080), |
|
SPH_C64(0x0000000080000001), SPH_C64(0x8000000080008008) |
|
}; |
|
|
|
|
|
inline void keccak_block(ulong *s) { |
|
size_t i; |
|
ulong t[5], u[5], v, w; |
|
|
|
for (i = 0; i < 24; i++) { |
|
/* theta: c = a[0,i] ^ a[1,i] ^ .. a[4,i] */ |
|
t[0] = s[0] ^ s[5] ^ s[10] ^ s[15] ^ s[20]; |
|
t[1] = s[1] ^ s[6] ^ s[11] ^ s[16] ^ s[21]; |
|
t[2] = s[2] ^ s[7] ^ s[12] ^ s[17] ^ s[22]; |
|
t[3] = s[3] ^ s[8] ^ s[13] ^ s[18] ^ s[23]; |
|
t[4] = s[4] ^ s[9] ^ s[14] ^ s[19] ^ s[24]; |
|
|
|
/* theta: d[i] = c[i+4] ^ rotl(c[i+1],1) */ |
|
u[0] = t[4] ^ SPH_ROTL64(t[1], 1); |
|
u[1] = t[0] ^ SPH_ROTL64(t[2], 1); |
|
u[2] = t[1] ^ SPH_ROTL64(t[3], 1); |
|
u[3] = t[2] ^ SPH_ROTL64(t[4], 1); |
|
u[4] = t[3] ^ SPH_ROTL64(t[0], 1); |
|
|
|
/* theta: a[0,i], a[1,i], .. a[4,i] ^= d[i] */ |
|
s[0] ^= u[0]; s[5] ^= u[0]; s[10] ^= u[0]; s[15] ^= u[0]; s[20] ^= u[0]; |
|
s[1] ^= u[1]; s[6] ^= u[1]; s[11] ^= u[1]; s[16] ^= u[1]; s[21] ^= u[1]; |
|
s[2] ^= u[2]; s[7] ^= u[2]; s[12] ^= u[2]; s[17] ^= u[2]; s[22] ^= u[2]; |
|
s[3] ^= u[3]; s[8] ^= u[3]; s[13] ^= u[3]; s[18] ^= u[3]; s[23] ^= u[3]; |
|
s[4] ^= u[4]; s[9] ^= u[4]; s[14] ^= u[4]; s[19] ^= u[4]; s[24] ^= u[4]; |
|
|
|
/* rho pi: b[..] = rotl(a[..], ..) */ |
|
v = s[1]; |
|
s[1] = SPH_ROTL64(s[6], 44); |
|
s[6] = SPH_ROTL64(s[9], 20); |
|
s[9] = SPH_ROTL64(s[22], 61); |
|
s[22] = SPH_ROTL64(s[14], 39); |
|
s[14] = SPH_ROTL64(s[20], 18); |
|
s[20] = SPH_ROTL64(s[2], 62); |
|
s[2] = SPH_ROTL64(s[12], 43); |
|
s[12] = SPH_ROTL64(s[13], 25); |
|
s[13] = SPH_ROTL64(s[19], 8); |
|
s[19] = SPH_ROTL64(s[23], 56); |
|
s[23] = SPH_ROTL64(s[15], 41); |
|
s[15] = SPH_ROTL64(s[4], 27); |
|
s[4] = SPH_ROTL64(s[24], 14); |
|
s[24] = SPH_ROTL64(s[21], 2); |
|
s[21] = SPH_ROTL64(s[8], 55); |
|
s[8] = SPH_ROTL64(s[16], 45); |
|
s[16] = SPH_ROTL64(s[5], 36); |
|
s[5] = SPH_ROTL64(s[3], 28); |
|
s[3] = SPH_ROTL64(s[18], 21); |
|
s[18] = SPH_ROTL64(s[17], 15); |
|
s[17] = SPH_ROTL64(s[11], 10); |
|
s[11] = SPH_ROTL64(s[7], 6); |
|
s[7] = SPH_ROTL64(s[10], 3); |
|
s[10] = SPH_ROTL64(v, 1); |
|
|
|
v = s[0]; w = s[1]; s[0] ^= (~w) & s[2]; s[1] ^= (~s[2]) & s[3]; s[2] ^= (~s[3]) & s[4]; s[3] ^= (~s[4]) & v; s[4] ^= (~v) & w; |
|
v = s[5]; w = s[6]; s[5] ^= (~w) & s[7]; s[6] ^= (~s[7]) & s[8]; s[7] ^= (~s[8]) & s[9]; s[8] ^= (~s[9]) & v; s[9] ^= (~v) & w; |
|
v = s[10]; w = s[11]; s[10] ^= (~w) & s[12]; s[11] ^= (~s[12]) & s[13]; s[12] ^= (~s[13]) & s[14]; s[13] ^= (~s[14]) & v; s[14] ^= (~v) & w; |
|
v = s[15]; w = s[16]; s[15] ^= (~w) & s[17]; s[16] ^= (~s[17]) & s[18]; s[17] ^= (~s[18]) & s[19]; s[18] ^= (~s[19]) & v; s[19] ^= (~v) & w; |
|
v = s[20]; w = s[21]; s[20] ^= (~w) & s[22]; s[21] ^= (~s[22]) & s[23]; s[22] ^= (~s[23]) & s[24]; s[23] ^= (~s[24]) & v; s[24] ^= (~v) & w; |
|
|
|
s[0] ^= RC[i]; |
|
} |
|
}; |