#include __device__ __constant__ sha512_state sha512_initial_state = { { 0x6a09e667f3bcc908ULL, 0xbb67ae8584caa73bULL, 0x3c6ef372fe94f82bULL, 0xa54ff53a5f1d36f1ULL, 0x510e527fade682d1ULL, 0x9b05688c2b3e6c1fULL, 0x1f83d9abfb41bd6bULL, 0x5be0cd19137e2179ULL, } }; __device__ __constant__ unsigned long round_k[80] = { 0x428a2f98d728ae22ULL, 0x7137449123ef65cdULL, 0xb5c0fbcfec4d3b2fULL, 0xe9b5dba58189dbbcULL, 0x3956c25bf348b538ULL, 0x59f111f1b605d019ULL, 0x923f82a4af194f9bULL, 0xab1c5ed5da6d8118ULL, 0xd807aa98a3030242ULL, 0x12835b0145706fbeULL, 0x243185be4ee4b28cULL, 0x550c7dc3d5ffb4e2ULL, 0x72be5d74f27b896fULL, 0x80deb1fe3b1696b1ULL, 0x9bdc06a725c71235ULL, 0xc19bf174cf692694ULL, 0xe49b69c19ef14ad2ULL, 0xefbe4786384f25e3ULL, 0x0fc19dc68b8cd5b5ULL, 0x240ca1cc77ac9c65ULL, 0x2de92c6f592b0275ULL, 0x4a7484aa6ea6e483ULL, 0x5cb0a9dcbd41fbd4ULL, 0x76f988da831153b5ULL, 0x983e5152ee66dfabULL, 0xa831c66d2db43210ULL, 0xb00327c898fb213fULL, 0xbf597fc7beef0ee4ULL, 0xc6e00bf33da88fc2ULL, 0xd5a79147930aa725ULL, 0x06ca6351e003826fULL, 0x142929670a0e6e70ULL, 0x27b70a8546d22ffcULL, 0x2e1b21385c26c926ULL, 0x4d2c6dfc5ac42aedULL, 0x53380d139d95b3dfULL, 0x650a73548baf63deULL, 0x766a0abb3c77b2a8ULL, 0x81c2c92e47edaee6ULL, 0x92722c851482353bULL, 0xa2bfe8a14cf10364ULL, 0xa81a664bbc423001ULL, 0xc24b8b70d0f89791ULL, 0xc76c51a30654be30ULL, 0xd192e819d6ef5218ULL, 0xd69906245565a910ULL, 0xf40e35855771202aULL, 0x106aa07032bbd1b8ULL, 0x19a4c116b8d2d0c8ULL, 0x1e376c085141ab53ULL, 0x2748774cdf8eeb99ULL, 0x34b0bcb5e19b48a8ULL, 0x391c0cb3c5c95a63ULL, 0x4ed8aa4ae3418acbULL, 0x5b9cca4f7763e373ULL, 0x682e6ff3d6b2b8a3ULL, 0x748f82ee5defb2fcULL, 0x78a5636f43172f60ULL, 0x84c87814a1f0ab72ULL, 0x8cc702081a6439ecULL, 0x90befffa23631e28ULL, 0xa4506cebde82bde9ULL, 0xbef9a3f7b2c67915ULL, 0xc67178f2e372532bULL, 0xca273eceea26619cULL, 0xd186b8c721c0c207ULL, 0xeada7dd6cde0eb1eULL, 0xf57d4f7fee6ed178ULL, 0x06f067aa72176fbaULL, 0x0a637dc5a2c898a6ULL, 0x113f9804bef90daeULL, 0x1b710b35131c471bULL, 0x28db77f523047d84ULL, 0x32caab7b40c72493ULL, 0x3c9ebe0a15c9bebcULL, 0x431d67c49c100d4cULL, 0x4cc5d4becb3e42b6ULL, 0x597f299cfc657e2aULL, 0x5fcb6fab3ad6faecULL, 0x6c44198c4a475817ULL, }; __device__ __forceinline__ unsigned long load64(const unsigned char* x) { return ((unsigned long)x[0] << 56) | ((unsigned long)x[1] << 48) | ((unsigned long)x[2] << 40) | ((unsigned long)x[3] << 32) | ((unsigned long)x[4] << 24) | ((unsigned long)x[5] << 16) | ((unsigned long)x[6] << 8) | ((unsigned long)x[7]); } __device__ __forceinline__ void store64(unsigned char* x, unsigned long v) { x[0] = (unsigned char)(v >> 56); x[1] = (unsigned char)(v >> 48); x[2] = (unsigned char)(v >> 40); x[3] = (unsigned char)(v >> 32); x[4] = (unsigned char)(v >> 24); x[5] = (unsigned char)(v >> 16); x[6] = (unsigned char)(v >> 8); x[7] = (unsigned char)(v); } __device__ __forceinline__ unsigned long rot64(unsigned long x, int bits) { return (x >> bits) | (x << (64 - bits)); } __device__ void sha512_block(sha512_state* s, const unsigned char* blk) { unsigned long w[16]; #pragma unroll 16 for (int i = 0; i < 16; i++) { w[i] = load64(blk + i * 8); } unsigned long a = s->h[0]; unsigned long b = s->h[1]; unsigned long c = s->h[2]; unsigned long d = s->h[3]; unsigned long e = s->h[4]; unsigned long f = s->h[5]; unsigned long g = s->h[6]; unsigned long h = s->h[7]; #pragma unroll 80 for (int i = 0; i < 80; i++) { const int idx = i & 15; const int idx1 = (i + 1) & 15; const int idx7 = (i + 9) & 15; const int idx14 = (i + 14) & 15; unsigned long s0 = rot64(w[idx1], 1) ^ rot64(w[idx1], 8) ^ (w[idx1] >> 7); unsigned long s1 = rot64(w[idx14], 19) ^ rot64(w[idx14], 61) ^ (w[idx14] >> 6); unsigned long S0 = rot64(a, 28) ^ rot64(a, 34) ^ rot64(a, 39); unsigned long S1 = rot64(e, 14) ^ rot64(e, 18) ^ rot64(e, 41); unsigned long ch = (e & f) ^ ((~e) & g); unsigned long temp1 = h + S1 + ch + round_k[i] + w[idx]; unsigned long maj = (a & b) ^ (a & c) ^ (b & c); unsigned long temp2 = S0 + maj; h = g; g = f; f = e; e = d + temp1; d = c; c = b; b = a; a = temp1 + temp2; w[idx] += s0 + w[idx7] + s1; } s->h[0] += a; s->h[1] += b; s->h[2] += c; s->h[3] += d; s->h[4] += e; s->h[5] += f; s->h[6] += g; s->h[7] += h; } __device__ void sha512_final(sha512_state* s, const unsigned char* blk, unsigned long total_size) { unsigned char temp[128]; memset(temp, 0, sizeof(temp)); unsigned long last_size = total_size & (128 - 1); if (last_size) { memcpy(temp, blk, last_size); } temp[last_size] = 0x80; if (last_size > (128 - 9)) { sha512_block(s, temp); memset(temp, 0, sizeof(temp)); } store64(temp + 128 - 8, total_size << 3); sha512_block(s, temp); } __device__ void sha512_get(const sha512_state* s, unsigned char* hash, unsigned int offset, unsigned int len) { if (offset > 128) return; if (len > 128 - offset) len = 128 - offset; unsigned int i = offset >> 3; unsigned int off = offset & 7; if (off) { unsigned char tmp[8]; store64(tmp, s->h[i]); unsigned int c = 8 - off; if (c > len) c = len; memcpy(hash, tmp + off, c); len -= c; hash += c; i++; } while (len >= 8) { store64(hash, s->h[i]); hash += 8; len -= 8; i++; } if (len) { unsigned char tmp[8]; store64(tmp, s->h[i]); memcpy(hash, tmp, len); } } __device__ void sha512_init(struct sha512_state* s) { memcpy(s, &sha512_initial_state, sizeof(*s)); }