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Jay D Dee
2016-09-22 13:16:18 -04:00
parent a3c8079774
commit a35039bc05
480 changed files with 211015 additions and 3 deletions
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algo/sha2/.dirstamp Normal file
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algo/sha2/sha2.c Normal file
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/*
* Copyright 2011 ArtForz
* Copyright 2011-2013 pooler
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version. See COPYING for more details.
*/
#include "miner.h"
#include "algo-gate-api.h"
#include <string.h>
#include <inttypes.h>
#if defined(USE_ASM) && defined(__arm__) && defined(__APCS_32__)
#define EXTERN_SHA256
#endif
static const uint32_t sha256_h[8] = {
0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a,
0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19
};
static const uint32_t sha256_k[64] = {
0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
};
void sha256_init(uint32_t *state)
{
memcpy(state, sha256_h, 32);
}
/* Elementary functions used by SHA256 */
#define Ch(x, y, z) ((x & (y ^ z)) ^ z)
#define Maj(x, y, z) ((x & (y | z)) | (y & z))
#define ROTR(x, n) ((x >> n) | (x << (32 - n)))
#define S0(x) (ROTR(x, 2) ^ ROTR(x, 13) ^ ROTR(x, 22))
#define S1(x) (ROTR(x, 6) ^ ROTR(x, 11) ^ ROTR(x, 25))
#define s0(x) (ROTR(x, 7) ^ ROTR(x, 18) ^ (x >> 3))
#define s1(x) (ROTR(x, 17) ^ ROTR(x, 19) ^ (x >> 10))
/* SHA256 round function */
#define RND(a, b, c, d, e, f, g, h, k) \
do { \
t0 = h + S1(e) + Ch(e, f, g) + k; \
t1 = S0(a) + Maj(a, b, c); \
d += t0; \
h = t0 + t1; \
} while (0)
/* Adjusted round function for rotating state */
#define RNDr(S, W, i) \
RND(S[(64 - i) % 8], S[(65 - i) % 8], \
S[(66 - i) % 8], S[(67 - i) % 8], \
S[(68 - i) % 8], S[(69 - i) % 8], \
S[(70 - i) % 8], S[(71 - i) % 8], \
W[i] + sha256_k[i])
#ifndef EXTERN_SHA256
/*
* SHA256 block compression function. The 256-bit state is transformed via
* the 512-bit input block to produce a new state.
*/
void sha256_transform(uint32_t *state, const uint32_t *block, int swap)
{
uint32_t W[64];
uint32_t S[8];
uint32_t t0, t1;
int i;
/* 1. Prepare message schedule W. */
if (swap) {
for (i = 0; i < 16; i++)
W[i] = swab32(block[i]);
} else
memcpy(W, block, 64);
for (i = 16; i < 64; i += 2) {
W[i] = s1(W[i - 2]) + W[i - 7] + s0(W[i - 15]) + W[i - 16];
W[i+1] = s1(W[i - 1]) + W[i - 6] + s0(W[i - 14]) + W[i - 15];
}
/* 2. Initialize working variables. */
memcpy(S, state, 32);
/* 3. Mix. */
RNDr(S, W, 0);
RNDr(S, W, 1);
RNDr(S, W, 2);
RNDr(S, W, 3);
RNDr(S, W, 4);
RNDr(S, W, 5);
RNDr(S, W, 6);
RNDr(S, W, 7);
RNDr(S, W, 8);
RNDr(S, W, 9);
RNDr(S, W, 10);
RNDr(S, W, 11);
RNDr(S, W, 12);
RNDr(S, W, 13);
RNDr(S, W, 14);
RNDr(S, W, 15);
RNDr(S, W, 16);
RNDr(S, W, 17);
RNDr(S, W, 18);
RNDr(S, W, 19);
RNDr(S, W, 20);
RNDr(S, W, 21);
RNDr(S, W, 22);
RNDr(S, W, 23);
RNDr(S, W, 24);
RNDr(S, W, 25);
RNDr(S, W, 26);
RNDr(S, W, 27);
RNDr(S, W, 28);
RNDr(S, W, 29);
RNDr(S, W, 30);
RNDr(S, W, 31);
RNDr(S, W, 32);
RNDr(S, W, 33);
RNDr(S, W, 34);
RNDr(S, W, 35);
RNDr(S, W, 36);
RNDr(S, W, 37);
RNDr(S, W, 38);
RNDr(S, W, 39);
RNDr(S, W, 40);
RNDr(S, W, 41);
RNDr(S, W, 42);
RNDr(S, W, 43);
RNDr(S, W, 44);
RNDr(S, W, 45);
RNDr(S, W, 46);
RNDr(S, W, 47);
RNDr(S, W, 48);
RNDr(S, W, 49);
RNDr(S, W, 50);
RNDr(S, W, 51);
RNDr(S, W, 52);
RNDr(S, W, 53);
RNDr(S, W, 54);
RNDr(S, W, 55);
RNDr(S, W, 56);
RNDr(S, W, 57);
RNDr(S, W, 58);
RNDr(S, W, 59);
RNDr(S, W, 60);
RNDr(S, W, 61);
RNDr(S, W, 62);
RNDr(S, W, 63);
/* 4. Mix local working variables into global state */
for (i = 0; i < 8; i++)
state[i] += S[i];
}
#endif /* EXTERN_SHA256 */
static const uint32_t sha256d_hash1[16] = {
0x00000000, 0x00000000, 0x00000000, 0x00000000,
0x00000000, 0x00000000, 0x00000000, 0x00000000,
0x80000000, 0x00000000, 0x00000000, 0x00000000,
0x00000000, 0x00000000, 0x00000000, 0x00000100
};
static void sha256d_80_swap(uint32_t *hash, const uint32_t *data)
{
uint32_t S[16];
int i;
sha256_init(S);
sha256_transform(S, data, 0);
sha256_transform(S, data + 16, 0);
memcpy(S + 8, sha256d_hash1 + 8, 32);
sha256_init(hash);
sha256_transform(hash, S, 0);
for (i = 0; i < 8; i++)
hash[i] = swab32(hash[i]);
}
extern void sha256d(unsigned char *hash, const unsigned char *data, int len)
{
uint32_t S[16], T[16];
int i, r;
sha256_init(S);
for (r = len; r > -9; r -= 64) {
if (r < 64)
memset(T, 0, 64);
memcpy(T, data + len - r, r > 64 ? 64 : (r < 0 ? 0 : r));
if (r >= 0 && r < 64)
((unsigned char *)T)[r] = 0x80;
for (i = 0; i < 16; i++)
T[i] = be32dec(T + i);
if (r < 56)
T[15] = 8 * len;
sha256_transform(S, T, 0);
}
memcpy(S + 8, sha256d_hash1 + 8, 32);
sha256_init(T);
sha256_transform(T, S, 0);
for (i = 0; i < 8; i++)
be32enc((uint32_t *)hash + i, T[i]);
}
static inline void sha256d_preextend(uint32_t *W)
{
W[16] = s1(W[14]) + W[ 9] + s0(W[ 1]) + W[ 0];
W[17] = s1(W[15]) + W[10] + s0(W[ 2]) + W[ 1];
W[18] = s1(W[16]) + W[11] + W[ 2];
W[19] = s1(W[17]) + W[12] + s0(W[ 4]);
W[20] = W[13] + s0(W[ 5]) + W[ 4];
W[21] = W[14] + s0(W[ 6]) + W[ 5];
W[22] = W[15] + s0(W[ 7]) + W[ 6];
W[23] = W[16] + s0(W[ 8]) + W[ 7];
W[24] = W[17] + s0(W[ 9]) + W[ 8];
W[25] = s0(W[10]) + W[ 9];
W[26] = s0(W[11]) + W[10];
W[27] = s0(W[12]) + W[11];
W[28] = s0(W[13]) + W[12];
W[29] = s0(W[14]) + W[13];
W[30] = s0(W[15]) + W[14];
W[31] = s0(W[16]) + W[15];
}
static inline void sha256d_prehash(uint32_t *S, const uint32_t *W)
{
uint32_t t0, t1;
RNDr(S, W, 0);
RNDr(S, W, 1);
RNDr(S, W, 2);
}
#ifdef EXTERN_SHA256
void sha256d_ms(uint32_t *hash, uint32_t *W,
const uint32_t *midstate, const uint32_t *prehash);
#else
static inline void sha256d_ms(uint32_t *hash, uint32_t *W,
const uint32_t *midstate, const uint32_t *prehash)
{
uint32_t S[64];
uint32_t t0, t1;
int i;
S[18] = W[18];
S[19] = W[19];
S[20] = W[20];
S[22] = W[22];
S[23] = W[23];
S[24] = W[24];
S[30] = W[30];
S[31] = W[31];
W[18] += s0(W[3]);
W[19] += W[3];
W[20] += s1(W[18]);
W[21] = s1(W[19]);
W[22] += s1(W[20]);
W[23] += s1(W[21]);
W[24] += s1(W[22]);
W[25] = s1(W[23]) + W[18];
W[26] = s1(W[24]) + W[19];
W[27] = s1(W[25]) + W[20];
W[28] = s1(W[26]) + W[21];
W[29] = s1(W[27]) + W[22];
W[30] += s1(W[28]) + W[23];
W[31] += s1(W[29]) + W[24];
for (i = 32; i < 64; i += 2) {
W[i] = s1(W[i - 2]) + W[i - 7] + s0(W[i - 15]) + W[i - 16];
W[i+1] = s1(W[i - 1]) + W[i - 6] + s0(W[i - 14]) + W[i - 15];
}
memcpy(S, prehash, 32);
RNDr(S, W, 3);
RNDr(S, W, 4);
RNDr(S, W, 5);
RNDr(S, W, 6);
RNDr(S, W, 7);
RNDr(S, W, 8);
RNDr(S, W, 9);
RNDr(S, W, 10);
RNDr(S, W, 11);
RNDr(S, W, 12);
RNDr(S, W, 13);
RNDr(S, W, 14);
RNDr(S, W, 15);
RNDr(S, W, 16);
RNDr(S, W, 17);
RNDr(S, W, 18);
RNDr(S, W, 19);
RNDr(S, W, 20);
RNDr(S, W, 21);
RNDr(S, W, 22);
RNDr(S, W, 23);
RNDr(S, W, 24);
RNDr(S, W, 25);
RNDr(S, W, 26);
RNDr(S, W, 27);
RNDr(S, W, 28);
RNDr(S, W, 29);
RNDr(S, W, 30);
RNDr(S, W, 31);
RNDr(S, W, 32);
RNDr(S, W, 33);
RNDr(S, W, 34);
RNDr(S, W, 35);
RNDr(S, W, 36);
RNDr(S, W, 37);
RNDr(S, W, 38);
RNDr(S, W, 39);
RNDr(S, W, 40);
RNDr(S, W, 41);
RNDr(S, W, 42);
RNDr(S, W, 43);
RNDr(S, W, 44);
RNDr(S, W, 45);
RNDr(S, W, 46);
RNDr(S, W, 47);
RNDr(S, W, 48);
RNDr(S, W, 49);
RNDr(S, W, 50);
RNDr(S, W, 51);
RNDr(S, W, 52);
RNDr(S, W, 53);
RNDr(S, W, 54);
RNDr(S, W, 55);
RNDr(S, W, 56);
RNDr(S, W, 57);
RNDr(S, W, 58);
RNDr(S, W, 59);
RNDr(S, W, 60);
RNDr(S, W, 61);
RNDr(S, W, 62);
RNDr(S, W, 63);
for (i = 0; i < 8; i++)
S[i] += midstate[i];
W[18] = S[18];
W[19] = S[19];
W[20] = S[20];
W[22] = S[22];
W[23] = S[23];
W[24] = S[24];
W[30] = S[30];
W[31] = S[31];
memcpy(S + 8, sha256d_hash1 + 8, 32);
S[16] = s1(sha256d_hash1[14]) + sha256d_hash1[ 9] + s0(S[ 1]) + S[ 0];
S[17] = s1(sha256d_hash1[15]) + sha256d_hash1[10] + s0(S[ 2]) + S[ 1];
S[18] = s1(S[16]) + sha256d_hash1[11] + s0(S[ 3]) + S[ 2];
S[19] = s1(S[17]) + sha256d_hash1[12] + s0(S[ 4]) + S[ 3];
S[20] = s1(S[18]) + sha256d_hash1[13] + s0(S[ 5]) + S[ 4];
S[21] = s1(S[19]) + sha256d_hash1[14] + s0(S[ 6]) + S[ 5];
S[22] = s1(S[20]) + sha256d_hash1[15] + s0(S[ 7]) + S[ 6];
S[23] = s1(S[21]) + S[16] + s0(sha256d_hash1[ 8]) + S[ 7];
S[24] = s1(S[22]) + S[17] + s0(sha256d_hash1[ 9]) + sha256d_hash1[ 8];
S[25] = s1(S[23]) + S[18] + s0(sha256d_hash1[10]) + sha256d_hash1[ 9];
S[26] = s1(S[24]) + S[19] + s0(sha256d_hash1[11]) + sha256d_hash1[10];
S[27] = s1(S[25]) + S[20] + s0(sha256d_hash1[12]) + sha256d_hash1[11];
S[28] = s1(S[26]) + S[21] + s0(sha256d_hash1[13]) + sha256d_hash1[12];
S[29] = s1(S[27]) + S[22] + s0(sha256d_hash1[14]) + sha256d_hash1[13];
S[30] = s1(S[28]) + S[23] + s0(sha256d_hash1[15]) + sha256d_hash1[14];
S[31] = s1(S[29]) + S[24] + s0(S[16]) + sha256d_hash1[15];
for (i = 32; i < 60; i += 2) {
S[i] = s1(S[i - 2]) + S[i - 7] + s0(S[i - 15]) + S[i - 16];
S[i+1] = s1(S[i - 1]) + S[i - 6] + s0(S[i - 14]) + S[i - 15];
}
S[60] = s1(S[58]) + S[53] + s0(S[45]) + S[44];
sha256_init(hash);
RNDr(hash, S, 0);
RNDr(hash, S, 1);
RNDr(hash, S, 2);
RNDr(hash, S, 3);
RNDr(hash, S, 4);
RNDr(hash, S, 5);
RNDr(hash, S, 6);
RNDr(hash, S, 7);
RNDr(hash, S, 8);
RNDr(hash, S, 9);
RNDr(hash, S, 10);
RNDr(hash, S, 11);
RNDr(hash, S, 12);
RNDr(hash, S, 13);
RNDr(hash, S, 14);
RNDr(hash, S, 15);
RNDr(hash, S, 16);
RNDr(hash, S, 17);
RNDr(hash, S, 18);
RNDr(hash, S, 19);
RNDr(hash, S, 20);
RNDr(hash, S, 21);
RNDr(hash, S, 22);
RNDr(hash, S, 23);
RNDr(hash, S, 24);
RNDr(hash, S, 25);
RNDr(hash, S, 26);
RNDr(hash, S, 27);
RNDr(hash, S, 28);
RNDr(hash, S, 29);
RNDr(hash, S, 30);
RNDr(hash, S, 31);
RNDr(hash, S, 32);
RNDr(hash, S, 33);
RNDr(hash, S, 34);
RNDr(hash, S, 35);
RNDr(hash, S, 36);
RNDr(hash, S, 37);
RNDr(hash, S, 38);
RNDr(hash, S, 39);
RNDr(hash, S, 40);
RNDr(hash, S, 41);
RNDr(hash, S, 42);
RNDr(hash, S, 43);
RNDr(hash, S, 44);
RNDr(hash, S, 45);
RNDr(hash, S, 46);
RNDr(hash, S, 47);
RNDr(hash, S, 48);
RNDr(hash, S, 49);
RNDr(hash, S, 50);
RNDr(hash, S, 51);
RNDr(hash, S, 52);
RNDr(hash, S, 53);
RNDr(hash, S, 54);
RNDr(hash, S, 55);
RNDr(hash, S, 56);
hash[2] += hash[6] + S1(hash[3]) + Ch(hash[3], hash[4], hash[5])
+ S[57] + sha256_k[57];
hash[1] += hash[5] + S1(hash[2]) + Ch(hash[2], hash[3], hash[4])
+ S[58] + sha256_k[58];
hash[0] += hash[4] + S1(hash[1]) + Ch(hash[1], hash[2], hash[3])
+ S[59] + sha256_k[59];
hash[7] += hash[3] + S1(hash[0]) + Ch(hash[0], hash[1], hash[2])
+ S[60] + sha256_k[60]
+ sha256_h[7];
}
#endif /* EXTERN_SHA256 */
#ifdef HAVE_SHA256_4WAY
void sha256d_ms_4way(uint32_t *hash, uint32_t *data,
const uint32_t *midstate, const uint32_t *prehash);
static inline int scanhash_sha256d_4way(int thr_id, struct work *work,
uint32_t max_nonce, uint64_t *hashes_done)
{
uint32_t *pdata = work->data;
uint32_t *ptarget = work->target;
uint32_t _ALIGN(128) data[4 * 64];
uint32_t _ALIGN(32) hash[4 * 8];
uint32_t _ALIGN(32) midstate[4 * 8];
uint32_t _ALIGN(32) prehash[4 * 8];
uint32_t n = pdata[19] - 1;
const uint32_t first_nonce = pdata[19];
const uint32_t Htarg = ptarget[7];
int i, j;
memcpy(data, pdata + 16, 64);
sha256d_preextend(data);
for (i = 31; i >= 0; i--)
for (j = 0; j < 4; j++)
data[i * 4 + j] = data[i];
sha256_init(midstate);
sha256_transform(midstate, pdata, 0);
memcpy(prehash, midstate, 32);
sha256d_prehash(prehash, pdata + 16);
for (i = 7; i >= 0; i--) {
for (j = 0; j < 4; j++) {
midstate[i * 4 + j] = midstate[i];
prehash[i * 4 + j] = prehash[i];
}
}
do {
for (i = 0; i < 4; i++)
data[4 * 3 + i] = ++n;
sha256d_ms_4way(hash, data, midstate, prehash);
for (i = 0; i < 4; i++) {
if (swab32(hash[4 * 7 + i]) <= Htarg) {
pdata[19] = data[4 * 3 + i];
sha256d_80_swap(hash, pdata);
if (fulltest(hash, ptarget)) {
*hashes_done = n - first_nonce + 1;
return 1;
}
}
}
} while (n < max_nonce && !work_restart[thr_id].restart);
*hashes_done = n - first_nonce + 1;
pdata[19] = n;
return 0;
}
#endif /* HAVE_SHA256_4WAY */
#ifdef HAVE_SHA256_8WAY
void sha256d_ms_8way(uint32_t *hash, uint32_t *data,
const uint32_t *midstate, const uint32_t *prehash);
static inline int scanhash_sha256d_8way(int thr_id, struct work *work,
uint32_t max_nonce, uint64_t *hashes_done)
{
uint32_t *pdata = work->data;
uint32_t *ptarget = work->target;
uint32_t _ALIGN(128) data[8 * 64];
uint32_t _ALIGN(32) hash[8 * 8];
uint32_t _ALIGN(32) midstate[8 * 8];
uint32_t _ALIGN(32) prehash[8 * 8];
uint32_t n = pdata[19] - 1;
const uint32_t first_nonce = pdata[19];
const uint32_t Htarg = ptarget[7];
int i, j;
memcpy(data, pdata + 16, 64);
sha256d_preextend(data);
for (i = 31; i >= 0; i--)
for (j = 0; j < 8; j++)
data[i * 8 + j] = data[i];
sha256_init(midstate);
sha256_transform(midstate, pdata, 0);
memcpy(prehash, midstate, 32);
sha256d_prehash(prehash, pdata + 16);
for (i = 7; i >= 0; i--) {
for (j = 0; j < 8; j++) {
midstate[i * 8 + j] = midstate[i];
prehash[i * 8 + j] = prehash[i];
}
}
do {
for (i = 0; i < 8; i++)
data[8 * 3 + i] = ++n;
sha256d_ms_8way(hash, data, midstate, prehash);
for (i = 0; i < 8; i++) {
if (swab32(hash[8 * 7 + i]) <= Htarg) {
pdata[19] = data[8 * 3 + i];
sha256d_80_swap(hash, pdata);
if (fulltest(hash, ptarget)) {
*hashes_done = n - first_nonce + 1;
return 1;
}
}
}
} while (n < max_nonce && !work_restart[thr_id].restart);
*hashes_done = n - first_nonce + 1;
pdata[19] = n;
return 0;
}
#endif /* HAVE_SHA256_8WAY */
int scanhash_sha256d(int thr_id, struct work *work,
uint32_t max_nonce, uint64_t *hashes_done)
{
uint32_t *pdata = work->data;
uint32_t *ptarget = work->target;
uint32_t _ALIGN(128) data[64];
uint32_t _ALIGN(32) hash[8];
uint32_t _ALIGN(32) midstate[8];
uint32_t _ALIGN(32) prehash[8];
uint32_t n = pdata[19] - 1;
const uint32_t first_nonce = pdata[19];
const uint32_t Htarg = ptarget[7];
#ifdef HAVE_SHA256_8WAY
if (sha256_use_8way())
return scanhash_sha256d_8way(thr_id, work,
max_nonce, hashes_done);
#endif
#ifdef HAVE_SHA256_4WAY
if (sha256_use_4way())
return scanhash_sha256d_4way(thr_id, work,
max_nonce, hashes_done);
#endif
memcpy(data, pdata + 16, 64);
sha256d_preextend(data);
sha256_init(midstate);
sha256_transform(midstate, pdata, 0);
memcpy(prehash, midstate, 32);
sha256d_prehash(prehash, pdata + 16);
do {
data[3] = ++n;
sha256d_ms(hash, data, midstate, prehash);
if (unlikely(swab32(hash[7]) <= Htarg)) {
pdata[19] = data[3];
sha256d_80_swap(hash, pdata);
if (fulltest(hash, ptarget)) {
*hashes_done = n - first_nonce + 1;
return 1;
}
}
} while (likely(n < max_nonce && !work_restart[thr_id].restart));
*hashes_done = n - first_nonce + 1;
pdata[19] = n;
return 0;
}
bool register_sha256d_algo( algo_gate_t* gate )
{
gate->scanhash = (void*)&scanhash_sha256d;
gate->hash_alt = (void*)&sha256d;
gate->hash = (void*)&sha256d;
return true;
};

693
algo/sha2/sph-sha2.c Normal file
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@@ -0,0 +1,693 @@
/* $Id: sha2.c 227 2010-06-16 17:28:38Z tp $ */
/*
* SHA-224 / SHA-256 implementation.
*
* ==========================(LICENSE BEGIN)============================
*
* Copyright (c) 2007-2010 Projet RNRT SAPHIR
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* ===========================(LICENSE END)=============================
*
* @author Thomas Pornin <thomas.pornin@cryptolog.com>
*/
#include <stddef.h>
#include <string.h>
#include "sph-sha2.h"
#if SPH_SMALL_FOOTPRINT && !defined SPH_SMALL_FOOTPRINT_SHA2
#define SPH_SMALL_FOOTPRINT_SHA2 1
#endif
#define CH(X, Y, Z) ((((Y) ^ (Z)) & (X)) ^ (Z))
#define MAJ(X, Y, Z) (((Y) & (Z)) | (((Y) | (Z)) & (X)))
#define ROTR SPH_ROTR32
#define BSG2_0(x) (ROTR(x, 2) ^ ROTR(x, 13) ^ ROTR(x, 22))
#define BSG2_1(x) (ROTR(x, 6) ^ ROTR(x, 11) ^ ROTR(x, 25))
#define SSG2_0(x) (ROTR(x, 7) ^ ROTR(x, 18) ^ SPH_T32((x) >> 3))
#define SSG2_1(x) (ROTR(x, 17) ^ ROTR(x, 19) ^ SPH_T32((x) >> 10))
static const sph_u32 H224[8] = {
SPH_C32(0xC1059ED8), SPH_C32(0x367CD507), SPH_C32(0x3070DD17),
SPH_C32(0xF70E5939), SPH_C32(0xFFC00B31), SPH_C32(0x68581511),
SPH_C32(0x64F98FA7), SPH_C32(0xBEFA4FA4)
};
static const sph_u32 H256[8] = {
SPH_C32(0x6A09E667), SPH_C32(0xBB67AE85), SPH_C32(0x3C6EF372),
SPH_C32(0xA54FF53A), SPH_C32(0x510E527F), SPH_C32(0x9B05688C),
SPH_C32(0x1F83D9AB), SPH_C32(0x5BE0CD19)
};
/*
* The SHA2_ROUND_BODY defines the body for a SHA-224 / SHA-256
* compression function implementation. The "in" parameter should
* evaluate, when applied to a numerical input parameter from 0 to 15,
* to an expression which yields the corresponding input block. The "r"
* parameter should evaluate to an array or pointer expression
* designating the array of 8 words which contains the input and output
* of the compression function.
*/
#if SPH_SMALL_FOOTPRINT_SHA2
static const sph_u32 K[64] = {
SPH_C32(0x428A2F98), SPH_C32(0x71374491),
SPH_C32(0xB5C0FBCF), SPH_C32(0xE9B5DBA5),
SPH_C32(0x3956C25B), SPH_C32(0x59F111F1),
SPH_C32(0x923F82A4), SPH_C32(0xAB1C5ED5),
SPH_C32(0xD807AA98), SPH_C32(0x12835B01),
SPH_C32(0x243185BE), SPH_C32(0x550C7DC3),
SPH_C32(0x72BE5D74), SPH_C32(0x80DEB1FE),
SPH_C32(0x9BDC06A7), SPH_C32(0xC19BF174),
SPH_C32(0xE49B69C1), SPH_C32(0xEFBE4786),
SPH_C32(0x0FC19DC6), SPH_C32(0x240CA1CC),
SPH_C32(0x2DE92C6F), SPH_C32(0x4A7484AA),
SPH_C32(0x5CB0A9DC), SPH_C32(0x76F988DA),
SPH_C32(0x983E5152), SPH_C32(0xA831C66D),
SPH_C32(0xB00327C8), SPH_C32(0xBF597FC7),
SPH_C32(0xC6E00BF3), SPH_C32(0xD5A79147),
SPH_C32(0x06CA6351), SPH_C32(0x14292967),
SPH_C32(0x27B70A85), SPH_C32(0x2E1B2138),
SPH_C32(0x4D2C6DFC), SPH_C32(0x53380D13),
SPH_C32(0x650A7354), SPH_C32(0x766A0ABB),
SPH_C32(0x81C2C92E), SPH_C32(0x92722C85),
SPH_C32(0xA2BFE8A1), SPH_C32(0xA81A664B),
SPH_C32(0xC24B8B70), SPH_C32(0xC76C51A3),
SPH_C32(0xD192E819), SPH_C32(0xD6990624),
SPH_C32(0xF40E3585), SPH_C32(0x106AA070),
SPH_C32(0x19A4C116), SPH_C32(0x1E376C08),
SPH_C32(0x2748774C), SPH_C32(0x34B0BCB5),
SPH_C32(0x391C0CB3), SPH_C32(0x4ED8AA4A),
SPH_C32(0x5B9CCA4F), SPH_C32(0x682E6FF3),
SPH_C32(0x748F82EE), SPH_C32(0x78A5636F),
SPH_C32(0x84C87814), SPH_C32(0x8CC70208),
SPH_C32(0x90BEFFFA), SPH_C32(0xA4506CEB),
SPH_C32(0xBEF9A3F7), SPH_C32(0xC67178F2)
};
#define SHA2_MEXP1(in, pc) do { \
W[pc] = in(pc); \
} while (0)
#define SHA2_MEXP2(in, pc) do { \
W[(pc) & 0x0F] = SPH_T32(SSG2_1(W[((pc) - 2) & 0x0F]) \
+ W[((pc) - 7) & 0x0F] \
+ SSG2_0(W[((pc) - 15) & 0x0F]) + W[(pc) & 0x0F]); \
} while (0)
#define SHA2_STEPn(n, a, b, c, d, e, f, g, h, in, pc) do { \
sph_u32 t1, t2; \
SHA2_MEXP ## n(in, pc); \
t1 = SPH_T32(h + BSG2_1(e) + CH(e, f, g) \
+ K[pcount + (pc)] + W[(pc) & 0x0F]); \
t2 = SPH_T32(BSG2_0(a) + MAJ(a, b, c)); \
d = SPH_T32(d + t1); \
h = SPH_T32(t1 + t2); \
} while (0)
#define SHA2_STEP1(a, b, c, d, e, f, g, h, in, pc) \
SHA2_STEPn(1, a, b, c, d, e, f, g, h, in, pc)
#define SHA2_STEP2(a, b, c, d, e, f, g, h, in, pc) \
SHA2_STEPn(2, a, b, c, d, e, f, g, h, in, pc)
#define SHA2_ROUND_BODY(in, r) do { \
sph_u32 A, B, C, D, E, F, G, H; \
sph_u32 W[16]; \
unsigned pcount; \
\
A = (r)[0]; \
B = (r)[1]; \
C = (r)[2]; \
D = (r)[3]; \
E = (r)[4]; \
F = (r)[5]; \
G = (r)[6]; \
H = (r)[7]; \
pcount = 0; \
SHA2_STEP1(A, B, C, D, E, F, G, H, in, 0); \
SHA2_STEP1(H, A, B, C, D, E, F, G, in, 1); \
SHA2_STEP1(G, H, A, B, C, D, E, F, in, 2); \
SHA2_STEP1(F, G, H, A, B, C, D, E, in, 3); \
SHA2_STEP1(E, F, G, H, A, B, C, D, in, 4); \
SHA2_STEP1(D, E, F, G, H, A, B, C, in, 5); \
SHA2_STEP1(C, D, E, F, G, H, A, B, in, 6); \
SHA2_STEP1(B, C, D, E, F, G, H, A, in, 7); \
SHA2_STEP1(A, B, C, D, E, F, G, H, in, 8); \
SHA2_STEP1(H, A, B, C, D, E, F, G, in, 9); \
SHA2_STEP1(G, H, A, B, C, D, E, F, in, 10); \
SHA2_STEP1(F, G, H, A, B, C, D, E, in, 11); \
SHA2_STEP1(E, F, G, H, A, B, C, D, in, 12); \
SHA2_STEP1(D, E, F, G, H, A, B, C, in, 13); \
SHA2_STEP1(C, D, E, F, G, H, A, B, in, 14); \
SHA2_STEP1(B, C, D, E, F, G, H, A, in, 15); \
for (pcount = 16; pcount < 64; pcount += 16) { \
SHA2_STEP2(A, B, C, D, E, F, G, H, in, 0); \
SHA2_STEP2(H, A, B, C, D, E, F, G, in, 1); \
SHA2_STEP2(G, H, A, B, C, D, E, F, in, 2); \
SHA2_STEP2(F, G, H, A, B, C, D, E, in, 3); \
SHA2_STEP2(E, F, G, H, A, B, C, D, in, 4); \
SHA2_STEP2(D, E, F, G, H, A, B, C, in, 5); \
SHA2_STEP2(C, D, E, F, G, H, A, B, in, 6); \
SHA2_STEP2(B, C, D, E, F, G, H, A, in, 7); \
SHA2_STEP2(A, B, C, D, E, F, G, H, in, 8); \
SHA2_STEP2(H, A, B, C, D, E, F, G, in, 9); \
SHA2_STEP2(G, H, A, B, C, D, E, F, in, 10); \
SHA2_STEP2(F, G, H, A, B, C, D, E, in, 11); \
SHA2_STEP2(E, F, G, H, A, B, C, D, in, 12); \
SHA2_STEP2(D, E, F, G, H, A, B, C, in, 13); \
SHA2_STEP2(C, D, E, F, G, H, A, B, in, 14); \
SHA2_STEP2(B, C, D, E, F, G, H, A, in, 15); \
} \
(r)[0] = SPH_T32((r)[0] + A); \
(r)[1] = SPH_T32((r)[1] + B); \
(r)[2] = SPH_T32((r)[2] + C); \
(r)[3] = SPH_T32((r)[3] + D); \
(r)[4] = SPH_T32((r)[4] + E); \
(r)[5] = SPH_T32((r)[5] + F); \
(r)[6] = SPH_T32((r)[6] + G); \
(r)[7] = SPH_T32((r)[7] + H); \
} while (0)
#else
#define SHA2_ROUND_BODY(in, r) do { \
sph_u32 A, B, C, D, E, F, G, H, T1, T2; \
sph_u32 W00, W01, W02, W03, W04, W05, W06, W07; \
sph_u32 W08, W09, W10, W11, W12, W13, W14, W15; \
int i; \
\
/* for (i=0;i<8;i++) {printf("in[%d]=%08x in[%d]=%08x \n",2*i,in(2*i),2*i+1,in(2*i+1));} */ \
A = (r)[0]; \
B = (r)[1]; \
C = (r)[2]; \
D = (r)[3]; \
E = (r)[4]; \
F = (r)[5]; \
G = (r)[6]; \
H = (r)[7]; \
W00 = in(0); \
T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
+ SPH_C32(0x428A2F98) + W00); \
T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
D = SPH_T32(D + T1); \
H = SPH_T32(T1 + T2); \
W01 = in(1); \
T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
+ SPH_C32(0x71374491) + W01); \
T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
C = SPH_T32(C + T1); \
G = SPH_T32(T1 + T2); \
W02 = in(2); \
T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
+ SPH_C32(0xB5C0FBCF) + W02); \
T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
B = SPH_T32(B + T1); \
F = SPH_T32(T1 + T2); \
W03 = in(3); \
T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
+ SPH_C32(0xE9B5DBA5) + W03); \
T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
A = SPH_T32(A + T1); \
E = SPH_T32(T1 + T2); \
W04 = in(4); \
T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
+ SPH_C32(0x3956C25B) + W04); \
T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
H = SPH_T32(H + T1); \
D = SPH_T32(T1 + T2); \
W05 = in(5); \
T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
+ SPH_C32(0x59F111F1) + W05); \
T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
G = SPH_T32(G + T1); \
C = SPH_T32(T1 + T2); \
W06 = in(6); \
T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
+ SPH_C32(0x923F82A4) + W06); \
T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
F = SPH_T32(F + T1); \
B = SPH_T32(T1 + T2); \
W07 = in(7); \
T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
+ SPH_C32(0xAB1C5ED5) + W07); \
T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
E = SPH_T32(E + T1); \
A = SPH_T32(T1 + T2); \
W08 = in(8); \
T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
+ SPH_C32(0xD807AA98) + W08); \
T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
D = SPH_T32(D + T1); \
H = SPH_T32(T1 + T2); \
W09 = in(9); \
T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
+ SPH_C32(0x12835B01) + W09); \
T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
C = SPH_T32(C + T1); \
G = SPH_T32(T1 + T2); \
W10 = in(10); \
T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
+ SPH_C32(0x243185BE) + W10); \
T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
B = SPH_T32(B + T1); \
F = SPH_T32(T1 + T2); \
W11 = in(11); \
T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
+ SPH_C32(0x550C7DC3) + W11); \
T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
A = SPH_T32(A + T1); \
E = SPH_T32(T1 + T2); \
W12 = in(12); \
T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
+ SPH_C32(0x72BE5D74) + W12); \
T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
H = SPH_T32(H + T1); \
D = SPH_T32(T1 + T2); \
W13 = in(13); \
T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
+ SPH_C32(0x80DEB1FE) + W13); \
T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
G = SPH_T32(G + T1); \
C = SPH_T32(T1 + T2); \
W14 = in(14); \
T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
+ SPH_C32(0x9BDC06A7) + W14); \
T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
F = SPH_T32(F + T1); \
B = SPH_T32(T1 + T2); \
W15 = in(15); \
T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
+ SPH_C32(0xC19BF174) + W15); \
T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
E = SPH_T32(E + T1); \
A = SPH_T32(T1 + T2); \
W00 = SPH_T32(SSG2_1(W14) + W09 + SSG2_0(W01) + W00); \
T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
+ SPH_C32(0xE49B69C1) + W00); \
T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
D = SPH_T32(D + T1); \
H = SPH_T32(T1 + T2); \
W01 = SPH_T32(SSG2_1(W15) + W10 + SSG2_0(W02) + W01); \
T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
+ SPH_C32(0xEFBE4786) + W01); \
T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
C = SPH_T32(C + T1); \
G = SPH_T32(T1 + T2); \
W02 = SPH_T32(SSG2_1(W00) + W11 + SSG2_0(W03) + W02); \
T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
+ SPH_C32(0x0FC19DC6) + W02); \
T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
B = SPH_T32(B + T1); \
F = SPH_T32(T1 + T2); \
W03 = SPH_T32(SSG2_1(W01) + W12 + SSG2_0(W04) + W03); \
T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
+ SPH_C32(0x240CA1CC) + W03); \
T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
A = SPH_T32(A + T1); \
E = SPH_T32(T1 + T2); \
W04 = SPH_T32(SSG2_1(W02) + W13 + SSG2_0(W05) + W04); \
T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
+ SPH_C32(0x2DE92C6F) + W04); \
T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
H = SPH_T32(H + T1); \
D = SPH_T32(T1 + T2); \
W05 = SPH_T32(SSG2_1(W03) + W14 + SSG2_0(W06) + W05); \
T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
+ SPH_C32(0x4A7484AA) + W05); \
T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
G = SPH_T32(G + T1); \
C = SPH_T32(T1 + T2); \
W06 = SPH_T32(SSG2_1(W04) + W15 + SSG2_0(W07) + W06); \
T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
+ SPH_C32(0x5CB0A9DC) + W06); \
T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
F = SPH_T32(F + T1); \
B = SPH_T32(T1 + T2); \
W07 = SPH_T32(SSG2_1(W05) + W00 + SSG2_0(W08) + W07); \
T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
+ SPH_C32(0x76F988DA) + W07); \
T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
E = SPH_T32(E + T1); \
A = SPH_T32(T1 + T2); \
W08 = SPH_T32(SSG2_1(W06) + W01 + SSG2_0(W09) + W08); \
T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
+ SPH_C32(0x983E5152) + W08); \
T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
D = SPH_T32(D + T1); \
H = SPH_T32(T1 + T2); \
W09 = SPH_T32(SSG2_1(W07) + W02 + SSG2_0(W10) + W09); \
T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
+ SPH_C32(0xA831C66D) + W09); \
T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
C = SPH_T32(C + T1); \
G = SPH_T32(T1 + T2); \
W10 = SPH_T32(SSG2_1(W08) + W03 + SSG2_0(W11) + W10); \
T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
+ SPH_C32(0xB00327C8) + W10); \
T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
B = SPH_T32(B + T1); \
F = SPH_T32(T1 + T2); \
W11 = SPH_T32(SSG2_1(W09) + W04 + SSG2_0(W12) + W11); \
T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
+ SPH_C32(0xBF597FC7) + W11); \
T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
A = SPH_T32(A + T1); \
E = SPH_T32(T1 + T2); \
W12 = SPH_T32(SSG2_1(W10) + W05 + SSG2_0(W13) + W12); \
T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
+ SPH_C32(0xC6E00BF3) + W12); \
T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
H = SPH_T32(H + T1); \
D = SPH_T32(T1 + T2); \
W13 = SPH_T32(SSG2_1(W11) + W06 + SSG2_0(W14) + W13); \
T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
+ SPH_C32(0xD5A79147) + W13); \
T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
G = SPH_T32(G + T1); \
C = SPH_T32(T1 + T2); \
W14 = SPH_T32(SSG2_1(W12) + W07 + SSG2_0(W15) + W14); \
T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
+ SPH_C32(0x06CA6351) + W14); \
T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
F = SPH_T32(F + T1); \
B = SPH_T32(T1 + T2); \
W15 = SPH_T32(SSG2_1(W13) + W08 + SSG2_0(W00) + W15); \
T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
+ SPH_C32(0x14292967) + W15); \
T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
E = SPH_T32(E + T1); \
A = SPH_T32(T1 + T2); \
W00 = SPH_T32(SSG2_1(W14) + W09 + SSG2_0(W01) + W00); \
T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
+ SPH_C32(0x27B70A85) + W00); \
T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
D = SPH_T32(D + T1); \
H = SPH_T32(T1 + T2); \
W01 = SPH_T32(SSG2_1(W15) + W10 + SSG2_0(W02) + W01); \
T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
+ SPH_C32(0x2E1B2138) + W01); \
T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
C = SPH_T32(C + T1); \
G = SPH_T32(T1 + T2); \
W02 = SPH_T32(SSG2_1(W00) + W11 + SSG2_0(W03) + W02); \
T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
+ SPH_C32(0x4D2C6DFC) + W02); \
T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
B = SPH_T32(B + T1); \
F = SPH_T32(T1 + T2); \
W03 = SPH_T32(SSG2_1(W01) + W12 + SSG2_0(W04) + W03); \
T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
+ SPH_C32(0x53380D13) + W03); \
T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
A = SPH_T32(A + T1); \
E = SPH_T32(T1 + T2); \
W04 = SPH_T32(SSG2_1(W02) + W13 + SSG2_0(W05) + W04); \
T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
+ SPH_C32(0x650A7354) + W04); \
T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
H = SPH_T32(H + T1); \
D = SPH_T32(T1 + T2); \
W05 = SPH_T32(SSG2_1(W03) + W14 + SSG2_0(W06) + W05); \
T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
+ SPH_C32(0x766A0ABB) + W05); \
T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
G = SPH_T32(G + T1); \
C = SPH_T32(T1 + T2); \
W06 = SPH_T32(SSG2_1(W04) + W15 + SSG2_0(W07) + W06); \
T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
+ SPH_C32(0x81C2C92E) + W06); \
T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
F = SPH_T32(F + T1); \
B = SPH_T32(T1 + T2); \
W07 = SPH_T32(SSG2_1(W05) + W00 + SSG2_0(W08) + W07); \
T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
+ SPH_C32(0x92722C85) + W07); \
T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
E = SPH_T32(E + T1); \
A = SPH_T32(T1 + T2); \
W08 = SPH_T32(SSG2_1(W06) + W01 + SSG2_0(W09) + W08); \
T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
+ SPH_C32(0xA2BFE8A1) + W08); \
T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
D = SPH_T32(D + T1); \
H = SPH_T32(T1 + T2); \
W09 = SPH_T32(SSG2_1(W07) + W02 + SSG2_0(W10) + W09); \
T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
+ SPH_C32(0xA81A664B) + W09); \
T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
C = SPH_T32(C + T1); \
G = SPH_T32(T1 + T2); \
W10 = SPH_T32(SSG2_1(W08) + W03 + SSG2_0(W11) + W10); \
T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
+ SPH_C32(0xC24B8B70) + W10); \
T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
B = SPH_T32(B + T1); \
F = SPH_T32(T1 + T2); \
W11 = SPH_T32(SSG2_1(W09) + W04 + SSG2_0(W12) + W11); \
T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
+ SPH_C32(0xC76C51A3) + W11); \
T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
A = SPH_T32(A + T1); \
E = SPH_T32(T1 + T2); \
W12 = SPH_T32(SSG2_1(W10) + W05 + SSG2_0(W13) + W12); \
T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
+ SPH_C32(0xD192E819) + W12); \
T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
H = SPH_T32(H + T1); \
D = SPH_T32(T1 + T2); \
W13 = SPH_T32(SSG2_1(W11) + W06 + SSG2_0(W14) + W13); \
T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
+ SPH_C32(0xD6990624) + W13); \
T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
G = SPH_T32(G + T1); \
C = SPH_T32(T1 + T2); \
W14 = SPH_T32(SSG2_1(W12) + W07 + SSG2_0(W15) + W14); \
T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
+ SPH_C32(0xF40E3585) + W14); \
T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
F = SPH_T32(F + T1); \
B = SPH_T32(T1 + T2); \
W15 = SPH_T32(SSG2_1(W13) + W08 + SSG2_0(W00) + W15); \
T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
+ SPH_C32(0x106AA070) + W15); \
T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
E = SPH_T32(E + T1); \
A = SPH_T32(T1 + T2); \
W00 = SPH_T32(SSG2_1(W14) + W09 + SSG2_0(W01) + W00); \
T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
+ SPH_C32(0x19A4C116) + W00); \
T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
D = SPH_T32(D + T1); \
H = SPH_T32(T1 + T2); \
W01 = SPH_T32(SSG2_1(W15) + W10 + SSG2_0(W02) + W01); \
T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
+ SPH_C32(0x1E376C08) + W01); \
T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
C = SPH_T32(C + T1); \
G = SPH_T32(T1 + T2); \
W02 = SPH_T32(SSG2_1(W00) + W11 + SSG2_0(W03) + W02); \
T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
+ SPH_C32(0x2748774C) + W02); \
T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
B = SPH_T32(B + T1); \
F = SPH_T32(T1 + T2); \
W03 = SPH_T32(SSG2_1(W01) + W12 + SSG2_0(W04) + W03); \
T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
+ SPH_C32(0x34B0BCB5) + W03); \
T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
A = SPH_T32(A + T1); \
E = SPH_T32(T1 + T2); \
W04 = SPH_T32(SSG2_1(W02) + W13 + SSG2_0(W05) + W04); \
T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
+ SPH_C32(0x391C0CB3) + W04); \
T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
H = SPH_T32(H + T1); \
D = SPH_T32(T1 + T2); \
W05 = SPH_T32(SSG2_1(W03) + W14 + SSG2_0(W06) + W05); \
T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
+ SPH_C32(0x4ED8AA4A) + W05); \
T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
G = SPH_T32(G + T1); \
C = SPH_T32(T1 + T2); \
W06 = SPH_T32(SSG2_1(W04) + W15 + SSG2_0(W07) + W06); \
T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
+ SPH_C32(0x5B9CCA4F) + W06); \
T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
F = SPH_T32(F + T1); \
B = SPH_T32(T1 + T2); \
W07 = SPH_T32(SSG2_1(W05) + W00 + SSG2_0(W08) + W07); \
T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
+ SPH_C32(0x682E6FF3) + W07); \
T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
E = SPH_T32(E + T1); \
A = SPH_T32(T1 + T2); \
W08 = SPH_T32(SSG2_1(W06) + W01 + SSG2_0(W09) + W08); \
T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
+ SPH_C32(0x748F82EE) + W08); \
T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
D = SPH_T32(D + T1); \
H = SPH_T32(T1 + T2); \
W09 = SPH_T32(SSG2_1(W07) + W02 + SSG2_0(W10) + W09); \
T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
+ SPH_C32(0x78A5636F) + W09); \
T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
C = SPH_T32(C + T1); \
G = SPH_T32(T1 + T2); \
W10 = SPH_T32(SSG2_1(W08) + W03 + SSG2_0(W11) + W10); \
T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
+ SPH_C32(0x84C87814) + W10); \
T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
B = SPH_T32(B + T1); \
F = SPH_T32(T1 + T2); \
W11 = SPH_T32(SSG2_1(W09) + W04 + SSG2_0(W12) + W11); \
T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
+ SPH_C32(0x8CC70208) + W11); \
T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
A = SPH_T32(A + T1); \
E = SPH_T32(T1 + T2); \
W12 = SPH_T32(SSG2_1(W10) + W05 + SSG2_0(W13) + W12); \
T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
+ SPH_C32(0x90BEFFFA) + W12); \
T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
H = SPH_T32(H + T1); \
D = SPH_T32(T1 + T2); \
W13 = SPH_T32(SSG2_1(W11) + W06 + SSG2_0(W14) + W13); \
T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
+ SPH_C32(0xA4506CEB) + W13); \
T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
G = SPH_T32(G + T1); \
C = SPH_T32(T1 + T2); \
W14 = SPH_T32(SSG2_1(W12) + W07 + SSG2_0(W15) + W14); \
T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
+ SPH_C32(0xBEF9A3F7) + W14); \
T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
F = SPH_T32(F + T1); \
B = SPH_T32(T1 + T2); \
W15 = SPH_T32(SSG2_1(W13) + W08 + SSG2_0(W00) + W15); \
T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
+ SPH_C32(0xC67178F2) + W15); \
T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
E = SPH_T32(E + T1); \
A = SPH_T32(T1 + T2); \
(r)[0] = SPH_T32((r)[0] + A); \
(r)[1] = SPH_T32((r)[1] + B); \
(r)[2] = SPH_T32((r)[2] + C); \
(r)[3] = SPH_T32((r)[3] + D); \
(r)[4] = SPH_T32((r)[4] + E); \
(r)[5] = SPH_T32((r)[5] + F); \
(r)[6] = SPH_T32((r)[6] + G); \
(r)[7] = SPH_T32((r)[7] + H); \
/* for (i=0;i<4;i++) {printf("r[%d]=%08x r[%d]=%08x\n",2*i,(r)[2*i],2*i+1,(r)[2*i+1]);} */ \
} while (0)
#endif
/*
* One round of SHA-224 / SHA-256. The data must be aligned for 32-bit access.
*/
static void
sha2_round(const unsigned char *data, sph_u32 r[8])
{
#define SHA2_IN(x) sph_dec32be_aligned(data + (4 * (x)))
SHA2_ROUND_BODY(SHA2_IN, r);
#undef SHA2_IN
}
/* see sph_sha2.h */
void
sph_sha224_init(void *cc)
{
sph_sha224_context *sc;
sc = cc;
memcpy(sc->val, H224, sizeof H224);
#if SPH_64
sc->count = 0;
#else
sc->count_high = sc->count_low = 0;
#endif
}
/* see sph_sha2.h */
void
sph_sha256_init(void *cc)
{
sph_sha256_context *sc;
sc = cc;
memcpy(sc->val, H256, sizeof H256);
#if SPH_64
sc->count = 0;
#else
sc->count_high = sc->count_low = 0;
#endif
}
#define RFUN sha2_round
#define HASH sha224
#define BE32 1
#include "algo/sha3/md_helper.c"
/* see sph_sha2.h */
void
sph_sha224_close(void *cc, void *dst)
{
sha224_close(cc, dst, 7);
// sph_sha224_init(cc);
}
/* see sph_sha2.h */
void
sph_sha224_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst)
{
sha224_addbits_and_close(cc, ub, n, dst, 7);
// sph_sha224_init(cc);
}
/* see sph_sha2.h */
void
sph_sha256_close(void *cc, void *dst)
{
sha224_close(cc, dst, 8);
// sph_sha256_init(cc);
}
/* see sph_sha2.h */
void
sph_sha256_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst)
{
sha224_addbits_and_close(cc, ub, n, dst, 8);
// sph_sha256_init(cc);
}
/* see sph_sha2.h */
void
sph_sha224_comp(const sph_u32 msg[16], sph_u32 val[8])
{
#define SHA2_IN(x) msg[x]
SHA2_ROUND_BODY(SHA2_IN, val);
#undef SHA2_IN
}

378
algo/sha2/sph-sha2.h Normal file
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@@ -0,0 +1,378 @@
/* $Id: sph_sha2.h 216 2010-06-08 09:46:57Z tp $ */
/**
* SHA-224, SHA-256, SHA-384 and SHA-512 interface.
*
* SHA-256 has been published in FIPS 180-2, now amended with a change
* notice to include SHA-224 as well (which is a simple variation on
* SHA-256). SHA-384 and SHA-512 are also defined in FIPS 180-2. FIPS
* standards can be found at:
* http://csrc.nist.gov/publications/fips/
*
* ==========================(LICENSE BEGIN)============================
*
* Copyright (c) 2007-2010 Projet RNRT SAPHIR
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* ===========================(LICENSE END)=============================
*
* @file sph_sha2.h
* @author Thomas Pornin <thomas.pornin@cryptolog.com>
*/
#ifndef SPH_SHA2_H__
#define SPH_SHA2_H__
#include <stddef.h>
#include "algo/sha3/sph_types.h"
#ifdef __cplusplus
extern "C"{
#endif
/**
* Output size (in bits) for SHA-224.
*/
#define SPH_SIZE_sha224 224
/**
* Output size (in bits) for SHA-256.
*/
#define SPH_SIZE_sha256 256
/**
* This structure is a context for SHA-224 computations: it contains the
* intermediate values and some data from the last entered block. Once
* a SHA-224 computation has been performed, the context can be reused for
* another computation.
*
* The contents of this structure are private. A running SHA-224 computation
* can be cloned by copying the context (e.g. with a simple
* <code>memcpy()</code>).
*/
typedef struct {
#ifndef DOXYGEN_IGNORE
unsigned char buf[64]; /* first field, for alignment */
sph_u32 val[8];
#if SPH_64
sph_u64 count;
#else
sph_u32 count_high, count_low;
#endif
#endif
} sph_sha224_context;
/**
* This structure is a context for SHA-256 computations. It is identical
* to the SHA-224 context. However, a context is initialized for SHA-224
* <strong>or</strong> SHA-256, but not both (the internal IV is not the
* same).
*/
typedef sph_sha224_context sph_sha256_context;
/**
* Initialize a SHA-224 context. This process performs no memory allocation.
*
* @param cc the SHA-224 context (pointer to
* a <code>sph_sha224_context</code>)
*/
void sph_sha224_init(void *cc);
/**
* Process some data bytes. It is acceptable that <code>len</code> is zero
* (in which case this function does nothing).
*
* @param cc the SHA-224 context
* @param data the input data
* @param len the input data length (in bytes)
*/
void sph_sha224(void *cc, const void *data, size_t len);
/**
* Terminate the current SHA-224 computation and output the result into the
* provided buffer. The destination buffer must be wide enough to
* accomodate the result (28 bytes). The context is automatically
* reinitialized.
*
* @param cc the SHA-224 context
* @param dst the destination buffer
*/
void sph_sha224_close(void *cc, void *dst);
/**
* Add a few additional bits (0 to 7) to the current computation, then
* terminate it and output the result in the provided buffer, which must
* be wide enough to accomodate the result (28 bytes). If bit number i
* in <code>ub</code> has value 2^i, then the extra bits are those
* numbered 7 downto 8-n (this is the big-endian convention at the byte
* level). The context is automatically reinitialized.
*
* @param cc the SHA-224 context
* @param ub the extra bits
* @param n the number of extra bits (0 to 7)
* @param dst the destination buffer
*/
void sph_sha224_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst);
/**
* Apply the SHA-224 compression function on the provided data. The
* <code>msg</code> parameter contains the 16 32-bit input blocks,
* as numerical values (hence after the big-endian decoding). The
* <code>val</code> parameter contains the 8 32-bit input blocks for
* the compression function; the output is written in place in this
* array.
*
* @param msg the message block (16 values)
* @param val the function 256-bit input and output
*/
void sph_sha224_comp(const sph_u32 msg[16], sph_u32 val[8]);
/**
* Initialize a SHA-256 context. This process performs no memory allocation.
*
* @param cc the SHA-256 context (pointer to
* a <code>sph_sha256_context</code>)
*/
void sph_sha256_init(void *cc);
#ifdef DOXYGEN_IGNORE
/**
* Process some data bytes, for SHA-256. This function is identical to
* <code>sha_224()</code>
*
* @param cc the SHA-224 context
* @param data the input data
* @param len the input data length (in bytes)
*/
void sph_sha256(void *cc, const void *data, size_t len);
#endif
#ifndef DOXYGEN_IGNORE
#define sph_sha256 sph_sha224
#endif
/**
* Terminate the current SHA-256 computation and output the result into the
* provided buffer. The destination buffer must be wide enough to
* accomodate the result (32 bytes). The context is automatically
* reinitialized.
*
* @param cc the SHA-256 context
* @param dst the destination buffer
*/
void sph_sha256_close(void *cc, void *dst);
/**
* Add a few additional bits (0 to 7) to the current computation, then
* terminate it and output the result in the provided buffer, which must
* be wide enough to accomodate the result (32 bytes). If bit number i
* in <code>ub</code> has value 2^i, then the extra bits are those
* numbered 7 downto 8-n (this is the big-endian convention at the byte
* level). The context is automatically reinitialized.
*
* @param cc the SHA-256 context
* @param ub the extra bits
* @param n the number of extra bits (0 to 7)
* @param dst the destination buffer
*/
void sph_sha256_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst);
#ifdef DOXYGEN_IGNORE
/**
* Apply the SHA-256 compression function on the provided data. This
* function is identical to <code>sha224_comp()</code>.
*
* @param msg the message block (16 values)
* @param val the function 256-bit input and output
*/
void sph_sha256_comp(const sph_u32 msg[16], sph_u32 val[8]);
#endif
#ifndef DOXYGEN_IGNORE
#define sph_sha256_comp sph_sha224_comp
#endif
#if SPH_64
/**
* Output size (in bits) for SHA-384.
*/
#define SPH_SIZE_sha384 384
/**
* Output size (in bits) for SHA-512.
*/
#define SPH_SIZE_sha512 512
/**
* This structure is a context for SHA-384 computations: it contains the
* intermediate values and some data from the last entered block. Once
* a SHA-384 computation has been performed, the context can be reused for
* another computation.
*
* The contents of this structure are private. A running SHA-384 computation
* can be cloned by copying the context (e.g. with a simple
* <code>memcpy()</code>).
*/
typedef struct {
#ifndef DOXYGEN_IGNORE
unsigned char buf[128]; /* first field, for alignment */
sph_u64 val[8];
sph_u64 count;
#endif
} sph_sha384_context;
/**
* Initialize a SHA-384 context. This process performs no memory allocation.
*
* @param cc the SHA-384 context (pointer to
* a <code>sph_sha384_context</code>)
*/
void sph_sha384_init(void *cc);
/**
* Process some data bytes. It is acceptable that <code>len</code> is zero
* (in which case this function does nothing).
*
* @param cc the SHA-384 context
* @param data the input data
* @param len the input data length (in bytes)
*/
void sph_sha384(void *cc, const void *data, size_t len);
/**
* Terminate the current SHA-384 computation and output the result into the
* provided buffer. The destination buffer must be wide enough to
* accomodate the result (48 bytes). The context is automatically
* reinitialized.
*
* @param cc the SHA-384 context
* @param dst the destination buffer
*/
void sph_sha384_close(void *cc, void *dst);
/**
* Add a few additional bits (0 to 7) to the current computation, then
* terminate it and output the result in the provided buffer, which must
* be wide enough to accomodate the result (48 bytes). If bit number i
* in <code>ub</code> has value 2^i, then the extra bits are those
* numbered 7 downto 8-n (this is the big-endian convention at the byte
* level). The context is automatically reinitialized.
*
* @param cc the SHA-384 context
* @param ub the extra bits
* @param n the number of extra bits (0 to 7)
* @param dst the destination buffer
*/
void sph_sha384_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst);
/**
* Apply the SHA-384 compression function on the provided data. The
* <code>msg</code> parameter contains the 16 64-bit input blocks,
* as numerical values (hence after the big-endian decoding). The
* <code>val</code> parameter contains the 8 64-bit input blocks for
* the compression function; the output is written in place in this
* array.
*
* @param msg the message block (16 values)
* @param val the function 512-bit input and output
*/
void sph_sha384_comp(const sph_u64 msg[16], sph_u64 val[8]);
/**
* This structure is a context for SHA-512 computations. It is identical
* to the SHA-384 context. However, a context is initialized for SHA-384
* <strong>or</strong> SHA-512, but not both (the internal IV is not the
* same).
*/
typedef sph_sha384_context sph_sha512_context;
/**
* Initialize a SHA-512 context. This process performs no memory allocation.
*
* @param cc the SHA-512 context (pointer to
* a <code>sph_sha512_context</code>)
*/
void sph_sha512_init(void *cc);
#ifdef DOXYGEN_IGNORE
/**
* Process some data bytes, for SHA-512. This function is identical to
* <code>sph_sha384()</code>.
*
* @param cc the SHA-384 context
* @param data the input data
* @param len the input data length (in bytes)
*/
void sph_sha512(void *cc, const void *data, size_t len);
#endif
#ifndef DOXYGEN_IGNORE
#define sph_sha512 sph_sha384
#endif
/**
* Terminate the current SHA-512 computation and output the result into the
* provided buffer. The destination buffer must be wide enough to
* accomodate the result (64 bytes). The context is automatically
* reinitialized.
*
* @param cc the SHA-512 context
* @param dst the destination buffer
*/
void sph_sha512_close(void *cc, void *dst);
/**
* Add a few additional bits (0 to 7) to the current computation, then
* terminate it and output the result in the provided buffer, which must
* be wide enough to accomodate the result (64 bytes). If bit number i
* in <code>ub</code> has value 2^i, then the extra bits are those
* numbered 7 downto 8-n (this is the big-endian convention at the byte
* level). The context is automatically reinitialized.
*
* @param cc the SHA-512 context
* @param ub the extra bits
* @param n the number of extra bits (0 to 7)
* @param dst the destination buffer
*/
void sph_sha512_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst);
#ifdef DOXYGEN_IGNORE
/**
* Apply the SHA-512 compression function. This function is identical to
* <code>sph_sha384_comp()</code>.
*
* @param msg the message block (16 values)
* @param val the function 512-bit input and output
*/
void sph_sha512_comp(const sph_u64 msg[16], sph_u64 val[8]);
#endif
#ifndef DOXYGEN_IGNORE
#define sph_sha512_comp sph_sha384_comp
#endif
#endif
#endif
#ifdef __cplusplus
}
#endif