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sha256.c
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sha256.c
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/*
* Copyright 2014 Kangaderoo
*/
#include <string.h>
#include <immintrin.h>
#include <inttypes.h>
#include "sha256.h"
// #define S0(x) (ROTR(x, 2) ^ ROTR(x, 13) ^ ROTR(x, 22))
// #define Maj(x, y, z) ((x & (y | z)) | (y & z))
__m128i funct_S0_Maj(__m128i *x, __m128i *y, __m128i *z)
{
__m128i _calc_maj1 = _mm_or_si128(*y,*z);
__m128i _calc_maj2 = _mm_and_si128(*y,*z);
__m128i rot2 = _mm_srli_epi32(*x, 2);
__m128i _calc = _mm_slli_epi32(*x,(32 - 2));
__m128i rot13_22 = _mm_srli_epi32(*x, 13);
rot2 = _mm_xor_si128(rot2, _calc);
_calc = _mm_slli_epi32(*x,(32 - 13));
rot2 = _mm_xor_si128(rot2, rot13_22);
rot13_22 = _mm_srli_epi32(*x, 22);
rot2 = _mm_xor_si128(rot2, _calc);
_calc = _mm_slli_epi32(*x,(32 - 22));
rot2 = _mm_xor_si128(rot2, rot13_22);
_calc_maj1 = _mm_and_si128(_calc_maj1, *x);
rot2 = _mm_xor_si128(rot2, _calc);
_calc_maj1 = _mm_or_si128(_calc_maj1, _calc_maj2);
_calc = _mm_add_epi32(_calc_maj1, rot2);
return _calc;
}
__m128i funct_S0(const __m128i *x)
{
__m128i rot2 = _mm_srli_epi32(*x, 2);
__m128i _calc = _mm_slli_epi32(*x,(32 - 2));
__m128i rot13_22 = _mm_srli_epi32(*x, 13);
rot2 = _mm_xor_si128(rot2, _calc);
_calc = _mm_slli_epi32(*x,(32 - 13));
rot2 = _mm_xor_si128(rot2, rot13_22);
rot13_22 = _mm_srli_epi32(*x, 22);
rot2 = _mm_xor_si128(rot2, _calc);
_calc = _mm_slli_epi32(*x,(32 - 22));
rot2 = _mm_xor_si128(rot2, rot13_22);
_calc = _mm_xor_si128(_calc, rot2);
return _calc;
}
__m128i funct_S0_old(const __m128i *x)
{
__m128i rot2 = _mm_srli_epi32(*x, 2);
__m128i _calc = _mm_slli_epi32(*x,(32 - 2));
__m128i rot13 = _mm_srli_epi32(*x, 13);
rot13 = _mm_xor_si128(rot13, _calc);
_calc = _mm_slli_epi32(*x,(32 - 13));
__m128i rot22 = _mm_srli_epi32(*x, 22);
rot22 = _mm_xor_si128(rot22, _calc);
_calc = _mm_slli_epi32(*x,(32 - 22));
_calc = _mm_xor_si128(rot22, _calc);
_calc = _mm_xor_si128(_calc, rot2);
_calc = _mm_xor_si128(_calc, rot13);
return _calc;
}
// #define S1(x) (ROTR(x, 6) ^ ROTR(x, 11) ^ ROTR(x, 25))
// #define Ch(x, y, z) ((x & (y ^ z)) ^ z)
__m128i funct_S1_Ch(__m128i *x, __m128i *y, __m128i *z)
{
__m128i rot6 = _mm_srli_epi32(*x, 6);
__m128i _calc = _mm_slli_epi32(*x,(32 - 6));
__m128i rot11_25 = _mm_srli_epi32(*x, 11);
__m128i calc_Ch = _mm_xor_si128(*y,*z);
rot6 = _mm_xor_si128(rot6, _calc);
_calc = _mm_slli_epi32(*x,(32 - 11));
rot6 = _mm_xor_si128(rot6, rot11_25);
rot11_25 = _mm_srli_epi32(*x, 25);
rot6 = _mm_xor_si128(rot6, _calc);
_calc = _mm_slli_epi32(*x,(32 - 25));
rot6 = _mm_xor_si128(rot6, rot11_25);
calc_Ch = _mm_and_si128(calc_Ch, *x);
rot6 = _mm_xor_si128(rot6, _calc);
calc_Ch = _mm_xor_si128(calc_Ch, *z);
_calc = _mm_add_epi32(rot6, calc_Ch);
return _calc;
}
// #define S1(x) (ROTR(x, 6) ^ ROTR(x, 11) ^ ROTR(x, 25))
__m128i funct_S1(const __m128i *x)
{
__m128i rot6 = _mm_srli_epi32(*x, 6);
__m128i _calc = _mm_slli_epi32(*x,(32 - 6));
__m128i rot11_25 = _mm_srli_epi32(*x, 11);
rot6 = _mm_xor_si128(rot6, _calc);
_calc = _mm_slli_epi32(*x,(32 - 11));
rot6 = _mm_xor_si128(rot6, rot11_25);
rot11_25 = _mm_srli_epi32(*x, 25);
rot6 = _mm_xor_si128(rot6, _calc);
_calc = _mm_slli_epi32(*x,(32 - 25));
rot6 = _mm_xor_si128(rot6, rot11_25);
_calc = _mm_xor_si128(_calc, rot6);
return _calc;
}
__m128i funct_S1_old(const __m128i *x)
{
__m128i rot6 = _mm_srli_epi32(*x, 6);
__m128i _calc = _mm_slli_epi32(*x,(32 - 6));
__m128i rot11 = _mm_srli_epi32(*x, 11);
rot11 = _mm_xor_si128(rot11, _calc);
_calc = _mm_slli_epi32(*x,(32 - 11));
__m128i rot25 = _mm_srli_epi32(*x, 25);
rot25 = _mm_xor_si128(rot25, _calc);
_calc = _mm_slli_epi32(*x,(32 - 25));
_calc = _mm_xor_si128(rot25, _calc);
_calc = _mm_xor_si128(_calc, rot6);
_calc = _mm_xor_si128(_calc, rot11);
return _calc;
}
// #define s0(x) (ROTR(x, 7) ^ ROTR(x, 18) ^ (x >> 3))
__m128i funct_s0(const __m128i *x)
{
__m128i rot7 = _mm_srli_epi32(*x, 7);
__m128i rot18 = _mm_srli_epi32(*x, 18);
__m128i _calc = _mm_slli_epi32(*x,(32 - 7));
__m128i shift3 = _mm_srli_epi32(*x, 3);
_calc = _mm_xor_si128(_calc, rot7);
_calc = _mm_xor_si128(_calc, rot18);
rot18 = _mm_slli_epi32(*x,(32 - 18));
_calc = _mm_xor_si128(_calc, rot18);
_calc = _mm_xor_si128(_calc, shift3);
return _calc;
}
// #define s1(x) (ROTR(x, 17) ^ ROTR(x, 19) ^ (x >> 10))
__m128i funct_s1(const __m128i *x)
{
__m128i rot17 = _mm_srli_epi32(*x, 17);
__m128i rot19 = _mm_srli_epi32(*x, 19);
__m128i _calc = _mm_slli_epi32(*x,(32 - 17));
__m128i shift10 = _mm_srli_epi32(*x, 10);
_calc = _mm_xor_si128(_calc, rot17);
_calc = _mm_xor_si128(_calc, rot19);
rot19 = _mm_slli_epi32(*x,(32 - 19));
_calc = _mm_xor_si128(_calc, rot19);
_calc = _mm_xor_si128(_calc, shift10);
return _calc;
}
// #define Ch(x, y, z) ((x & (y ^ z)) ^ z)
__m128i funct_Ch(__m128i *x, __m128i *y, __m128i *z)
{
__m128i _calc = _mm_xor_si128(*y,*z);
_calc = _mm_and_si128(_calc, *x);
_calc = _mm_xor_si128(_calc, *z);
return _calc;
}
// #define Maj(x, y, z) ((x & (y | z)) | (y & z))
__m128i funct_Maj(__m128i *x, __m128i *y, __m128i *z)
{
__m128i _calc = _mm_or_si128(*y,*z);
__m128i _calc2 = _mm_and_si128(*y,*z);
_calc = _mm_and_si128(_calc, *x);
_calc = _mm_or_si128(_calc, _calc2);
return _calc;
}
/* 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)
*/
void MM_RND(__m128i *a, __m128i *b, __m128i *c, __m128i *d, __m128i *e, __m128i *f, __m128i *g, __m128i *h,
const __m128i k)
{
__m128i t0;
__m128i t1;
__m128i _calc;
t0 = _mm_add_epi32(k, *h);
_calc = funct_S1_Ch(e,f,g);
t1 = funct_S0_Maj(a,b,c);
t0 = _mm_add_epi32(t0, _calc);
*d = _mm_add_epi32(*d, t0);
*h = _mm_add_epi32(t0, t1);
}
void MM_RND_old(__m128i *a, __m128i *b, __m128i *c, __m128i *d, __m128i *e, __m128i *f, __m128i *g, __m128i *h,
const __m128i k)
{
__m128i t0;
__m128i t1;
__m128i _calc = funct_S1(e);
__m128i _calc1 = funct_Ch(e, f, g);
_calc = _mm_add_epi32(_calc,_calc1);
_calc = _mm_add_epi32(_calc,*h);
t0 = _mm_add_epi32(_calc,k);
_calc = funct_Maj(a,b,c);
_calc1 = funct_S0(a);
t1 = _mm_add_epi32(_calc,_calc1);
*d = _mm_add_epi32(*d, t0);
*h = _mm_add_epi32(t1, t0);
}
/* 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_sidm[i])
*
*/
void sha256_init(uint32_t *state)
{
memcpy(state, sha256_h, 32);
}
void MM_sha256_init(uint32_t *state)
{
__m128i *ConstPrt = (__m128i*) sha256_h_quad;
__m128i *BufPrt = (__m128i*) state;
uint32_t i;
for(i=0;i<8;i++)
BufPrt[i] = ConstPrt[i];
// memcpy(state, sha256_h_quad, 32*4);
}
void MM_clear_mem(__m128i *memloc, uint32_t size)
{
uint32_t i;
for (i=0;i<size;i++)
memloc[i] = _mm_setzero_si128();
}
/*
* SHA256 block compression function.
*/
void sha256_transform(uint32_t *state, const uint32_t *block)
{
uint32_t W[64];
uint32_t S[8];
uint32_t t0, t1;
int i;
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];
}
void MM_sha256_transform(__m128i *state, const __m128i *block)
{
uint32_t W[64*4] __attribute__((aligned(16)));
uint32_t S[8*4] __attribute__((aligned(16)));
int i;
__m128i *WPrt = (__m128i*) W;
__m128i *SPrt = (__m128i*) S;
__m128i *ConstPrt = (__m128i*) sha256_k_quad;
__m128i _calc;
for(i=0;i<16;i++)
WPrt[i] = block[i]; // memcpy(W, block, 64*4);
/* 1. Prepare message schedule W. */
for (i = 16; i < 64; i += 2) {
// _calc = WPrt[i-2];
WPrt[i] = funct_s1(WPrt + i - 2);
// _calc = WPrt[i-15];
_calc = funct_s0(WPrt + i - 15);
WPrt[i] = _mm_add_epi32(WPrt[i], WPrt[i-7]);
WPrt[i] = _mm_add_epi32(WPrt[i], _calc);
WPrt[i] = _mm_add_epi32(WPrt[i], WPrt[i-16]);
// _calc = WPrt[i-1];
WPrt[i+1] = funct_s1(WPrt + i - 1);
// _calc = WPrt[i-14];
_calc = funct_s0(WPrt + i - 14);
WPrt[i+1] = _mm_add_epi32(WPrt[i+1], WPrt[i-6]);
WPrt[i+1] = _mm_add_epi32(WPrt[i+1], _calc);
WPrt[i+1] = _mm_add_epi32(WPrt[i+1], WPrt[i-15]);
}
/* 2. Initialize working variables. */
for(i=0;i<8;i++)
SPrt[i] = state[i]; // memcpy(&S, state, 32*4);
_calc = _mm_add_epi32(WPrt[0], ConstPrt[0]);
MM_RND(SPrt+0,SPrt+1,SPrt+2,SPrt+3,SPrt+4,SPrt+5,SPrt+6,SPrt+7, _calc);
_calc = _mm_add_epi32(WPrt[1], ConstPrt[1]);
MM_RND(SPrt+7,SPrt+0,SPrt+1,SPrt+2,SPrt+3,SPrt+4,SPrt+5,SPrt+6, _calc);
_calc = _mm_add_epi32(WPrt[2], ConstPrt[2]);
MM_RND(SPrt+6,SPrt+7,SPrt+0,SPrt+1,SPrt+2,SPrt+3,SPrt+4,SPrt+5, _calc);
_calc = _mm_add_epi32(WPrt[3], ConstPrt[3]);
MM_RND(SPrt+5,SPrt+6,SPrt+7,SPrt+0,SPrt+1,SPrt+2,SPrt+3,SPrt+4, _calc);
_calc = _mm_add_epi32(WPrt[4], ConstPrt[4]);
MM_RND(SPrt+4,SPrt+5,SPrt+6,SPrt+7,SPrt+0,SPrt+1,SPrt+2,SPrt+3, _calc);
_calc = _mm_add_epi32(WPrt[5], ConstPrt[5]);
MM_RND(SPrt+3,SPrt+4,SPrt+5,SPrt+6,SPrt+7,SPrt+0,SPrt+1,SPrt+2, _calc);
_calc = _mm_add_epi32(WPrt[6], ConstPrt[6]);
MM_RND(SPrt+2,SPrt+3,SPrt+4,SPrt+5,SPrt+6,SPrt+7,SPrt+0,SPrt+1, _calc);
_calc = _mm_add_epi32(WPrt[7], ConstPrt[7]);
MM_RND(SPrt+1,SPrt+2,SPrt+3,SPrt+4,SPrt+5,SPrt+6,SPrt+7,SPrt+0, _calc);
_calc = _mm_add_epi32(WPrt[8], ConstPrt[8]);
MM_RND(SPrt+0,SPrt+1,SPrt+2,SPrt+3,SPrt+4,SPrt+5,SPrt+6,SPrt+7, _calc);
_calc = _mm_add_epi32(WPrt[9], ConstPrt[9]);
MM_RND(SPrt+7,SPrt+0,SPrt+1,SPrt+2,SPrt+3,SPrt+4,SPrt+5,SPrt+6, _calc);
_calc = _mm_add_epi32(WPrt[10], ConstPrt[10]);
MM_RND(SPrt+6,SPrt+7,SPrt+0,SPrt+1,SPrt+2,SPrt+3,SPrt+4,SPrt+5, _calc);
_calc = _mm_add_epi32(WPrt[11], ConstPrt[11]);
MM_RND(SPrt+5,SPrt+6,SPrt+7,SPrt+0,SPrt+1,SPrt+2,SPrt+3,SPrt+4, _calc);
_calc = _mm_add_epi32(WPrt[12], ConstPrt[12]);
MM_RND(SPrt+4,SPrt+5,SPrt+6,SPrt+7,SPrt+0,SPrt+1,SPrt+2,SPrt+3, _calc);
_calc = _mm_add_epi32(WPrt[13], ConstPrt[13]);
MM_RND(SPrt+3,SPrt+4,SPrt+5,SPrt+6,SPrt+7,SPrt+0,SPrt+1,SPrt+2, _calc);
_calc = _mm_add_epi32(WPrt[14], ConstPrt[14]);
MM_RND(SPrt+2,SPrt+3,SPrt+4,SPrt+5,SPrt+6,SPrt+7,SPrt+0,SPrt+1, _calc);
_calc = _mm_add_epi32(WPrt[15], ConstPrt[15]);
MM_RND(SPrt+1,SPrt+2,SPrt+3,SPrt+4,SPrt+5,SPrt+6,SPrt+7,SPrt+0, _calc);
_calc = _mm_add_epi32(WPrt[16], ConstPrt[16]);
MM_RND(SPrt+0,SPrt+1,SPrt+2,SPrt+3,SPrt+4,SPrt+5,SPrt+6,SPrt+7, _calc);
_calc = _mm_add_epi32(WPrt[17], ConstPrt[17]);
MM_RND(SPrt+7,SPrt+0,SPrt+1,SPrt+2,SPrt+3,SPrt+4,SPrt+5,SPrt+6, _calc);
_calc = _mm_add_epi32(WPrt[18], ConstPrt[18]);
MM_RND(SPrt+6,SPrt+7,SPrt+0,SPrt+1,SPrt+2,SPrt+3,SPrt+4,SPrt+5, _calc);
_calc = _mm_add_epi32(WPrt[19], ConstPrt[19]);
MM_RND(SPrt+5,SPrt+6,SPrt+7,SPrt+0,SPrt+1,SPrt+2,SPrt+3,SPrt+4, _calc);
_calc = _mm_add_epi32(WPrt[20], ConstPrt[20]);
MM_RND(SPrt+4,SPrt+5,SPrt+6,SPrt+7,SPrt+0,SPrt+1,SPrt+2,SPrt+3, _calc);
_calc = _mm_add_epi32(WPrt[21], ConstPrt[21]);
MM_RND(SPrt+3,SPrt+4,SPrt+5,SPrt+6,SPrt+7,SPrt+0,SPrt+1,SPrt+2, _calc);
_calc = _mm_add_epi32(WPrt[22], ConstPrt[22]);
MM_RND(SPrt+2,SPrt+3,SPrt+4,SPrt+5,SPrt+6,SPrt+7,SPrt+0,SPrt+1, _calc);
_calc = _mm_add_epi32(WPrt[23], ConstPrt[23]);
MM_RND(SPrt+1,SPrt+2,SPrt+3,SPrt+4,SPrt+5,SPrt+6,SPrt+7,SPrt+0, _calc);
_calc = _mm_add_epi32(WPrt[24], ConstPrt[24]);
MM_RND(SPrt+0,SPrt+1,SPrt+2,SPrt+3,SPrt+4,SPrt+5,SPrt+6,SPrt+7, _calc);
_calc = _mm_add_epi32(WPrt[25], ConstPrt[25]);
MM_RND(SPrt+7,SPrt+0,SPrt+1,SPrt+2,SPrt+3,SPrt+4,SPrt+5,SPrt+6, _calc);
_calc = _mm_add_epi32(WPrt[26], ConstPrt[26]);
MM_RND(SPrt+6,SPrt+7,SPrt+0,SPrt+1,SPrt+2,SPrt+3,SPrt+4,SPrt+5, _calc);
_calc = _mm_add_epi32(WPrt[27], ConstPrt[27]);
MM_RND(SPrt+5,SPrt+6,SPrt+7,SPrt+0,SPrt+1,SPrt+2,SPrt+3,SPrt+4, _calc);
_calc = _mm_add_epi32(WPrt[28], ConstPrt[28]);
MM_RND(SPrt+4,SPrt+5,SPrt+6,SPrt+7,SPrt+0,SPrt+1,SPrt+2,SPrt+3, _calc);
_calc = _mm_add_epi32(WPrt[29], ConstPrt[29]);
MM_RND(SPrt+3,SPrt+4,SPrt+5,SPrt+6,SPrt+7,SPrt+0,SPrt+1,SPrt+2, _calc);
_calc = _mm_add_epi32(WPrt[30], ConstPrt[30]);
MM_RND(SPrt+2,SPrt+3,SPrt+4,SPrt+5,SPrt+6,SPrt+7,SPrt+0,SPrt+1, _calc);
_calc = _mm_add_epi32(WPrt[31], ConstPrt[31]);
MM_RND(SPrt+1,SPrt+2,SPrt+3,SPrt+4,SPrt+5,SPrt+6,SPrt+7,SPrt+0, _calc);
_calc = _mm_add_epi32(WPrt[32], ConstPrt[32]);
MM_RND(SPrt+0,SPrt+1,SPrt+2,SPrt+3,SPrt+4,SPrt+5,SPrt+6,SPrt+7, _calc);
_calc = _mm_add_epi32(WPrt[33], ConstPrt[33]);
MM_RND(SPrt+7,SPrt+0,SPrt+1,SPrt+2,SPrt+3,SPrt+4,SPrt+5,SPrt+6, _calc);
_calc = _mm_add_epi32(WPrt[34], ConstPrt[34]);
MM_RND(SPrt+6,SPrt+7,SPrt+0,SPrt+1,SPrt+2,SPrt+3,SPrt+4,SPrt+5, _calc);
_calc = _mm_add_epi32(WPrt[35], ConstPrt[35]);
MM_RND(SPrt+5,SPrt+6,SPrt+7,SPrt+0,SPrt+1,SPrt+2,SPrt+3,SPrt+4, _calc);
_calc = _mm_add_epi32(WPrt[36], ConstPrt[36]);
MM_RND(SPrt+4,SPrt+5,SPrt+6,SPrt+7,SPrt+0,SPrt+1,SPrt+2,SPrt+3, _calc);
_calc = _mm_add_epi32(WPrt[37], ConstPrt[37]);
MM_RND(SPrt+3,SPrt+4,SPrt+5,SPrt+6,SPrt+7,SPrt+0,SPrt+1,SPrt+2, _calc);
_calc = _mm_add_epi32(WPrt[38], ConstPrt[38]);
MM_RND(SPrt+2,SPrt+3,SPrt+4,SPrt+5,SPrt+6,SPrt+7,SPrt+0,SPrt+1, _calc);
_calc = _mm_add_epi32(WPrt[39], ConstPrt[39]);
MM_RND(SPrt+1,SPrt+2,SPrt+3,SPrt+4,SPrt+5,SPrt+6,SPrt+7,SPrt+0, _calc);
_calc = _mm_add_epi32(WPrt[40], ConstPrt[40]);
MM_RND(SPrt+0,SPrt+1,SPrt+2,SPrt+3,SPrt+4,SPrt+5,SPrt+6,SPrt+7, _calc);
_calc = _mm_add_epi32(WPrt[41], ConstPrt[41]);
MM_RND(SPrt+7,SPrt+0,SPrt+1,SPrt+2,SPrt+3,SPrt+4,SPrt+5,SPrt+6, _calc);
_calc = _mm_add_epi32(WPrt[42], ConstPrt[42]);
MM_RND(SPrt+6,SPrt+7,SPrt+0,SPrt+1,SPrt+2,SPrt+3,SPrt+4,SPrt+5, _calc);
_calc = _mm_add_epi32(WPrt[43], ConstPrt[43]);
MM_RND(SPrt+5,SPrt+6,SPrt+7,SPrt+0,SPrt+1,SPrt+2,SPrt+3,SPrt+4, _calc);
_calc = _mm_add_epi32(WPrt[44], ConstPrt[44]);
MM_RND(SPrt+4,SPrt+5,SPrt+6,SPrt+7,SPrt+0,SPrt+1,SPrt+2,SPrt+3, _calc);
_calc = _mm_add_epi32(WPrt[45], ConstPrt[45]);
MM_RND(SPrt+3,SPrt+4,SPrt+5,SPrt+6,SPrt+7,SPrt+0,SPrt+1,SPrt+2, _calc);
_calc = _mm_add_epi32(WPrt[46], ConstPrt[46]);
MM_RND(SPrt+2,SPrt+3,SPrt+4,SPrt+5,SPrt+6,SPrt+7,SPrt+0,SPrt+1, _calc);
_calc = _mm_add_epi32(WPrt[47], ConstPrt[47]);
MM_RND(SPrt+1,SPrt+2,SPrt+3,SPrt+4,SPrt+5,SPrt+6,SPrt+7,SPrt+0, _calc);
_calc = _mm_add_epi32(WPrt[48], ConstPrt[48]);
MM_RND(SPrt+0,SPrt+1,SPrt+2,SPrt+3,SPrt+4,SPrt+5,SPrt+6,SPrt+7, _calc);
_calc = _mm_add_epi32(WPrt[49], ConstPrt[49]);
MM_RND(SPrt+7,SPrt+0,SPrt+1,SPrt+2,SPrt+3,SPrt+4,SPrt+5,SPrt+6, _calc);
_calc = _mm_add_epi32(WPrt[50], ConstPrt[50]);
MM_RND(SPrt+6,SPrt+7,SPrt+0,SPrt+1,SPrt+2,SPrt+3,SPrt+4,SPrt+5, _calc);
_calc = _mm_add_epi32(WPrt[51], ConstPrt[51]);
MM_RND(SPrt+5,SPrt+6,SPrt+7,SPrt+0,SPrt+1,SPrt+2,SPrt+3,SPrt+4, _calc);
_calc = _mm_add_epi32(WPrt[52], ConstPrt[52]);
MM_RND(SPrt+4,SPrt+5,SPrt+6,SPrt+7,SPrt+0,SPrt+1,SPrt+2,SPrt+3, _calc);
_calc = _mm_add_epi32(WPrt[53], ConstPrt[53]);
MM_RND(SPrt+3,SPrt+4,SPrt+5,SPrt+6,SPrt+7,SPrt+0,SPrt+1,SPrt+2, _calc);
_calc = _mm_add_epi32(WPrt[54], ConstPrt[54]);
MM_RND(SPrt+2,SPrt+3,SPrt+4,SPrt+5,SPrt+6,SPrt+7,SPrt+0,SPrt+1, _calc);
_calc = _mm_add_epi32(WPrt[55], ConstPrt[55]);
MM_RND(SPrt+1,SPrt+2,SPrt+3,SPrt+4,SPrt+5,SPrt+6,SPrt+7,SPrt+0, _calc);
_calc = _mm_add_epi32(WPrt[56], ConstPrt[56]);
MM_RND(SPrt+0,SPrt+1,SPrt+2,SPrt+3,SPrt+4,SPrt+5,SPrt+6,SPrt+7, _calc);
_calc = _mm_add_epi32(WPrt[57], ConstPrt[57]);
MM_RND(SPrt+7,SPrt+0,SPrt+1,SPrt+2,SPrt+3,SPrt+4,SPrt+5,SPrt+6, _calc);
_calc = _mm_add_epi32(WPrt[58], ConstPrt[58]);
MM_RND(SPrt+6,SPrt+7,SPrt+0,SPrt+1,SPrt+2,SPrt+3,SPrt+4,SPrt+5, _calc);
_calc = _mm_add_epi32(WPrt[59], ConstPrt[59]);
MM_RND(SPrt+5,SPrt+6,SPrt+7,SPrt+0,SPrt+1,SPrt+2,SPrt+3,SPrt+4, _calc);
_calc = _mm_add_epi32(WPrt[60], ConstPrt[60]);
MM_RND(SPrt+4,SPrt+5,SPrt+6,SPrt+7,SPrt+0,SPrt+1,SPrt+2,SPrt+3, _calc);
_calc = _mm_add_epi32(WPrt[61], ConstPrt[61]);
MM_RND(SPrt+3,SPrt+4,SPrt+5,SPrt+6,SPrt+7,SPrt+0,SPrt+1,SPrt+2, _calc);
_calc = _mm_add_epi32(WPrt[62], ConstPrt[62]);
MM_RND(SPrt+2,SPrt+3,SPrt+4,SPrt+5,SPrt+6,SPrt+7,SPrt+0,SPrt+1, _calc);
_calc = _mm_add_epi32(WPrt[63], ConstPrt[63]);
MM_RND(SPrt+1,SPrt+2,SPrt+3,SPrt+4,SPrt+5,SPrt+6,SPrt+7,SPrt+0, _calc);
/* 4. Mix local working variables into global state */
for (i = 0; i < 8; i++)
state[i] = _mm_add_epi32(state[i],SPrt[i]);
}
void MM_beRecode(__m128i *block, uint32_t length)
{
uint32_t i;
const __m128i vm = _mm_setr_epi8(3,2,1,0,7,6,5,4,11,10,9,8,15,14,13,12);
for (i=0;i<length;i++)
block[i] = _mm_shuffle_epi8(block[i],vm);
}
void sha256_finish(uint32_t *state, const unsigned char *block, int blcklen, int swap)
{
unsigned int i; /* counters */
int j;
uint32_t S[16]; /* message words */
// make chunk blocks of 512 bits.
// if the length exceeds the 512 bits call the transform function
// append 1 bit of "1" to the message
j = 0;
do{
memset(S, 0, 16*sizeof(uint32_t));
// empty string check
// S[0]=0x80000000;
// sha256_transform(state,S);
// 0x e3b0c442 98fc1c14 9afbf4c8 996fb924 27ae41e4 649b934c a495991b 7852b855
if (j<blcklen-64){
/* put bytes from block into S 512 bits */
for (i=0; i<64; i++) {
/* byte i goes into word X[i div 4] at pos. 8*(i mod 4) */
S[i>>2] ^= (uint32_t) *block++ << (8 * ((3-i)&3));
}
sha256_transform(state,S);
}else{
if (j<blcklen+9){// is there enough room to add the 1 and length info?
for (i=0; i<blcklen-j; i++) {
/* byte i goes into word X[i div 4] at pos. 8*(i mod 4) */
S[i>>2] ^= (uint32_t) *block++ << (8 * ((3-i)&3));
}
// add the "1" and the length
S[i>>2] ^= (uint32_t) 1 << (8 * ((3-i)&3) + 7);
S[14] = (blcklen >> 29);
S[15] = blcklen << 3;
}else{
for (i=0; i<blcklen-j; i++) {
/* byte i goes into word X[i div 4] at pos. 8*(i mod 4) */
S[i>>2] ^= (uint32_t) *block++ << (8 * ((3-i)&3));
}
S[i>>2] ^= (uint32_t) 1 << (8 * (i&3) + 7);
sha256_transform(state,S);
// move the length info into the next block
memset(S, 0, 16*sizeof(uint32_t));
S[14] = (blcklen >> 29);
S[15] = blcklen << 3;
}
}
j = j + 64;
}while (j<blcklen);
sha256_transform(state,S);
return;
}