-rw-r--r-- 3970 lib25519-20220726/crypto_hashblocks/sha512/compact3/blocks.c raw
#include "crypto_hashblocks.h" typedef unsigned long long uint64; static uint64 load_bigendian(const unsigned char *x) { return (uint64) (x[7]) \ | (((uint64) (x[6])) << 8) \ | (((uint64) (x[5])) << 16) \ | (((uint64) (x[4])) << 24) \ | (((uint64) (x[3])) << 32) \ | (((uint64) (x[2])) << 40) \ | (((uint64) (x[1])) << 48) \ | (((uint64) (x[0])) << 56) ; } static void store_bigendian(unsigned char *x,uint64 u) { x[7] = u; u >>= 8; x[6] = u; u >>= 8; x[5] = u; u >>= 8; x[4] = u; u >>= 8; x[3] = u; u >>= 8; x[2] = u; u >>= 8; x[1] = u; u >>= 8; x[0] = u; } #define SHR(x,c) ((x) >> (c)) #define ROTR(x,c) (((x) >> (c)) | ((x) << (64 - (c)))) #define sigma0(x) (ROTR(x, 1) ^ ROTR(x, 8) ^ SHR(x,7)) #define sigma1(x) (ROTR(x,19) ^ ROTR(x,61) ^ SHR(x,6)) #define Ch(x,y,z) (z ^ (x & (y ^ z))) #define Maj(x,y,z) ((x & (y ^ z)) ^ (y & z)) #define Sigma0(x) (ROTR(x,28) ^ ROTR(x,34) ^ ROTR(x,39)) #define Sigma1(x) (ROTR(x,14) ^ ROTR(x,18) ^ ROTR(x,41)) static const uint64 round[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 }; int crypto_hashblocks(unsigned char *statebytes,const unsigned char *in,long long inlen) { uint64 w[16]; uint64 state[8]; uint64 r[8]; uint64 x; int i; for (i = 0;i < 8;++i) state[i] = r[i] = load_bigendian(statebytes+8*i); while (inlen >= 128) { for (i = 0;i < 16;++i) w[i] = load_bigendian(in+8*i); for (i = 0;i < 80;++i) { x = r[7&(7-i)]; x += w[15&i]; x += round[i]; x += Sigma1(r[7&(4-i)]); x += Ch(r[7&(4-i)],r[7&(5-i)],r[7&(6-i)]); r[7&(3-i)] += x; x += Sigma0(r[7&(0-i)]); x += Maj(r[7&(0-i)],r[7&(1-i)],r[7&(2-i)]); r[7&(7-i)] = x; /* not used for i >= 64: */ w[15&i] += w[15&(i+9)]; w[15&i] += sigma1(w[15&(i+14)]); w[15&i] += sigma0(w[15&(i+1)]); } for (i = 0;i < 8;++i) { uint64 x = r[i]+state[i]; state[i] = x; r[i] = x; } in += 128; inlen -= 128; } for (i = 0;i < 8;++i) store_bigendian(statebytes+8*i,state[i]); return inlen; }