Edward Stott / Crypto_light

This library implements some hash and cryptographic algorithms.

Dependents:   ES_CW2_Starter_JIN EMBEDDED_CW2 EMBEDDED_CW2_Final Spinnybois ... more

Fork of Crypto by Francois Berder

hash/SHA2_32.cpp@15:634f9c4cbab1, 2018-03-09 (annotated)

Committer:
estott
Date:
Fri Mar 09 10:10:16 2018 +0000
Revision:
15:634f9c4cbab1
Parent:
13:ac8e23b98dae 
Reduced flash footprint by removing __forceinline directive in SHA2_32.c

Who changed what in which revision?

UserRevisionLine numberNew contents of line
feb11 0:7a1237bd2d13 1 #include "SHA2_32.h"
estott 15:634f9c4cbab1 2 #include "string.h"
feb11 0:7a1237bd2d13 3
feb11 4:0da19393bd57 4
feb11 4:0da19393bd57 5 static const uint8_t MASK = 0x0F;
feb11 13:ac8e23b98dae 6
feb11 4:0da19393bd57 7 #define W(t) (w[(t)] = SSIG1(w[((t)+14)&MASK]) + w[((t)+9)&MASK] + SSIG0(w[((t)+1)&MASK]) + w[t])
feb11 0:7a1237bd2d13 8
feb11 3:85c6ee25cf3e 9 #define ROTL(W,N) (((W) << (N)) | ((W) >> (32-(N))))
feb11 13:ac8e23b98dae 10 #define ROTR(W,N) (rotRWord(W,N))
feb11 3:85c6ee25cf3e 11 #define CH(X,Y,Z) (((X) & (Y)) ^ ((~(X)) & (Z)))
feb11 3:85c6ee25cf3e 12 #define MAJ(X,Y,Z) (((X) & (Y)) ^ ((X) & (Z)) ^ ((Y) & (Z)))
feb11 3:85c6ee25cf3e 13 #define BSIG0(X) (ROTR(X,2) ^ ROTR(X,13) ^ ROTR(X,22))
feb11 3:85c6ee25cf3e 14 #define BSIG1(X) (ROTR(X,6) ^ ROTR(X,11) ^ ROTR(X,25))
feb11 3:85c6ee25cf3e 15 #define SSIG0(X) (ROTR((X),7) ^ ROTR((X),18) ^ ((X) >> 3))
feb11 3:85c6ee25cf3e 16 #define SSIG1(X) (ROTR((X),17) ^ ROTR((X),19) ^ ((X) >> 10))
feb11 13:ac8e23b98dae 17 #define R(A,B,C,D,E,F,G,H,T,K) T1 = H + BSIG1(E) + CH(E,F,G) + K + (w[T] = revWord(buffer2[T])); \
feb11 4:0da19393bd57 18 T2 = BSIG0(A) + MAJ(A,B,C); \
feb11 4:0da19393bd57 19 D += T1; \
feb11 4:0da19393bd57 20 H = T1 + T2;
feb11 4:0da19393bd57 21 #define R2(A,B,C,D,E,F,G,H,T,K) T1 = H + BSIG1(E) + CH(E,F,G) + K + W(T&MASK); \
feb11 3:85c6ee25cf3e 22 T2 = BSIG0(A) + MAJ(A,B,C); \
feb11 3:85c6ee25cf3e 23 D += T1; \
feb11 3:85c6ee25cf3e 24 H = T1 + T2;
feb11 3:85c6ee25cf3e 25
feb11 0:7a1237bd2d13 26 static const uint32_t H[] =
feb11 0:7a1237bd2d13 27 {
feb11 0:7a1237bd2d13 28 // SHA-224
feb11 0:7a1237bd2d13 29 0xc1059ed8, 0x367cd507, 0x3070dd17, 0xf70e5939,
feb11 0:7a1237bd2d13 30 0xffc00b31, 0x68581511, 0x64f98fa7, 0xbefa4fa4,
feb11 0:7a1237bd2d13 31
feb11 0:7a1237bd2d13 32 // SHA-256
feb11 0:7a1237bd2d13 33 0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a,
feb11 0:7a1237bd2d13 34 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19
feb11 0:7a1237bd2d13 35 };
feb11 0:7a1237bd2d13 36
estott 15:634f9c4cbab1 37 inline static uint32_t revWord(const uint32_t w)
feb11 13:ac8e23b98dae 38 {
feb11 13:ac8e23b98dae 39 #ifdef __CC_ARM
feb11 13:ac8e23b98dae 40 return __rev(w);
feb11 13:ac8e23b98dae 41 #else
feb11 13:ac8e23b98dae 42 return (w >> 24)
feb11 13:ac8e23b98dae 43 | ((w & 0x00FF0000) >> 8)
feb11 13:ac8e23b98dae 44 | ((w & 0x0000FF00) << 8)
feb11 13:ac8e23b98dae 45 | ((w & 0x000000FF) << 24);
feb11 13:ac8e23b98dae 46 #endif
feb11 13:ac8e23b98dae 47 }
feb11 13:ac8e23b98dae 48
estott 15:634f9c4cbab1 49 inline static uint32_t rotRWord(const uint32_t w, const uint32_t n)
feb11 13:ac8e23b98dae 50 {
feb11 13:ac8e23b98dae 51 #ifdef __CC_ARM
feb11 13:ac8e23b98dae 52 return __ror(w, n);
feb11 13:ac8e23b98dae 53 #else
feb11 13:ac8e23b98dae 54 return (w >> n) | (w << (32-n));
feb11 13:ac8e23b98dae 55 #endif
feb11 13:ac8e23b98dae 56 }
feb11 13:ac8e23b98dae 57
feb11 0:7a1237bd2d13 58 SHA2_32::SHA2_32(SHA_32_TYPE t):
feb11 0:7a1237bd2d13 59 type(t),
feb11 0:7a1237bd2d13 60 totalBufferLength(0),
feb11 0:7a1237bd2d13 61 bufferLength(0)
feb11 0:7a1237bd2d13 62 {
feb11 0:7a1237bd2d13 63 switch(type)
feb11 0:7a1237bd2d13 64 {
feb11 0:7a1237bd2d13 65 case SHA_224:
feb11 0:7a1237bd2d13 66 h0 = H[0];
feb11 0:7a1237bd2d13 67 h1 = H[1];
feb11 0:7a1237bd2d13 68 h2 = H[2];
feb11 0:7a1237bd2d13 69 h3 = H[3];
feb11 0:7a1237bd2d13 70 h4 = H[4];
feb11 0:7a1237bd2d13 71 h5 = H[5];
feb11 0:7a1237bd2d13 72 h6 = H[6];
feb11 0:7a1237bd2d13 73 h7 = H[7];
feb11 0:7a1237bd2d13 74 break;
feb11 0:7a1237bd2d13 75
feb11 0:7a1237bd2d13 76 case SHA_256:
feb11 0:7a1237bd2d13 77 h0 = H[8];
feb11 0:7a1237bd2d13 78 h1 = H[9];
feb11 0:7a1237bd2d13 79 h2 = H[10];
feb11 0:7a1237bd2d13 80 h3 = H[11];
feb11 0:7a1237bd2d13 81 h4 = H[12];
feb11 0:7a1237bd2d13 82 h5 = H[13];
feb11 0:7a1237bd2d13 83 h6 = H[14];
feb11 0:7a1237bd2d13 84 h7 = H[15];
feb11 0:7a1237bd2d13 85 break;
feb11 0:7a1237bd2d13 86 }
feb11 0:7a1237bd2d13 87 }
feb11 0:7a1237bd2d13 88
feb11 6:19aa835f2bbb 89 void SHA2_32::update(uint8_t *data, uint32_t length)
feb11 0:7a1237bd2d13 90 {
feb11 13:ac8e23b98dae 91 if((int)length < 64-bufferLength)
feb11 0:7a1237bd2d13 92 {
feb11 6:19aa835f2bbb 93 memcpy(&buffer[bufferLength], data, length);
feb11 0:7a1237bd2d13 94 bufferLength += length;
feb11 0:7a1237bd2d13 95 totalBufferLength += length;
feb11 0:7a1237bd2d13 96 return;
feb11 0:7a1237bd2d13 97 }
feb11 0:7a1237bd2d13 98 int offset = 64-bufferLength;
feb11 6:19aa835f2bbb 99 memcpy(&buffer[bufferLength], data, offset);
feb11 0:7a1237bd2d13 100 computeBlock(&h0,&h1,&h2,&h3,&h4,&h5,&h6,&h7,buffer);
feb11 0:7a1237bd2d13 101 while(length-offset > 64)
feb11 0:7a1237bd2d13 102 {
feb11 6:19aa835f2bbb 103 memcpy(buffer, &data[offset], 64);
feb11 0:7a1237bd2d13 104 computeBlock(&h0,&h1,&h2,&h3,&h4,&h5,&h6,&h7,buffer);
feb11 0:7a1237bd2d13 105 offset += 64;
feb11 0:7a1237bd2d13 106 }
feb11 13:ac8e23b98dae 107 if(offset > (int)length)
feb11 0:7a1237bd2d13 108 offset -= 64;
feb11 0:7a1237bd2d13 109 bufferLength = length - offset;
feb11 6:19aa835f2bbb 110 memcpy(buffer, &data[offset], bufferLength);
feb11 0:7a1237bd2d13 111 totalBufferLength += length;
feb11 0:7a1237bd2d13 112 }
feb11 0:7a1237bd2d13 113
feb11 6:19aa835f2bbb 114 void SHA2_32::finalize(uint8_t *hash)
feb11 0:7a1237bd2d13 115 {
feb11 6:19aa835f2bbb 116 uint32_t *hash2 = (uint32_t*)hash;
feb11 0:7a1237bd2d13 117 uint16_t padding;
feb11 0:7a1237bd2d13 118 if(totalBufferLength % 64 < 56)
feb11 0:7a1237bd2d13 119 padding = 56 - (totalBufferLength % 64);
feb11 0:7a1237bd2d13 120 else
feb11 0:7a1237bd2d13 121 padding = 56 + (64 - (totalBufferLength % 64));
feb11 3:85c6ee25cf3e 122
feb11 3:85c6ee25cf3e 123 buffer[bufferLength++] = 0x80;
feb11 3:85c6ee25cf3e 124 padding--;
feb11 3:85c6ee25cf3e 125 if(padding+bufferLength == 56)
feb11 3:85c6ee25cf3e 126 memset(&buffer[bufferLength], 0, padding);
feb11 3:85c6ee25cf3e 127 else
feb11 3:85c6ee25cf3e 128 {
feb11 3:85c6ee25cf3e 129 memset(&buffer[bufferLength], 0, 64-bufferLength);
feb11 3:85c6ee25cf3e 130 computeBlock(&h0, &h1, &h2, &h3, &h4, &h5, &h6, &h7, buffer);
feb11 5:06cd9c8afa0b 131 memset(buffer, 0, 56);
feb11 3:85c6ee25cf3e 132 }
feb11 3:85c6ee25cf3e 133
feb11 3:85c6ee25cf3e 134 uint64_t lengthBit = totalBufferLength << 3;
feb11 0:7a1237bd2d13 135 uint32_t lengthBitLow = lengthBit;
feb11 0:7a1237bd2d13 136 uint32_t lengthBitHigh = lengthBit >> 32;
feb11 13:ac8e23b98dae 137 lengthBitLow = revWord(lengthBitLow);
feb11 13:ac8e23b98dae 138 lengthBitHigh = revWord(lengthBitHigh);
feb11 3:85c6ee25cf3e 139 memcpy(&buffer[60], &lengthBitLow, 4);
feb11 3:85c6ee25cf3e 140 memcpy(&buffer[56], &lengthBitHigh, 4);
feb11 3:85c6ee25cf3e 141 computeBlock(&h0, &h1, &h2, &h3, &h4, &h5, &h6, &h7, buffer);
feb11 0:7a1237bd2d13 142
feb11 13:ac8e23b98dae 143 hash2[0] = revWord(h0);
feb11 13:ac8e23b98dae 144 hash2[1] = revWord(h1);
feb11 13:ac8e23b98dae 145 hash2[2] = revWord(h2);
feb11 13:ac8e23b98dae 146 hash2[3] = revWord(h3);
feb11 13:ac8e23b98dae 147 hash2[4] = revWord(h4);
feb11 13:ac8e23b98dae 148 hash2[5] = revWord(h5);
feb11 13:ac8e23b98dae 149 hash2[6] = revWord(h6);
feb11 6:19aa835f2bbb 150
feb11 3:85c6ee25cf3e 151
feb11 0:7a1237bd2d13 152 if(type == SHA_256)
feb11 13:ac8e23b98dae 153 hash2[7] = revWord(h7);
feb11 0:7a1237bd2d13 154
feb11 0:7a1237bd2d13 155 // reset state
feb11 0:7a1237bd2d13 156 switch(type)
feb11 0:7a1237bd2d13 157 {
feb11 0:7a1237bd2d13 158 case SHA_224:
feb11 0:7a1237bd2d13 159 h0 = H[0];
feb11 0:7a1237bd2d13 160 h1 = H[1];
feb11 0:7a1237bd2d13 161 h2 = H[2];
feb11 0:7a1237bd2d13 162 h3 = H[3];
feb11 0:7a1237bd2d13 163 h4 = H[4];
feb11 0:7a1237bd2d13 164 h5 = H[5];
feb11 0:7a1237bd2d13 165 h6 = H[6];
feb11 0:7a1237bd2d13 166 h7 = H[7];
feb11 0:7a1237bd2d13 167 break;
feb11 0:7a1237bd2d13 168
feb11 0:7a1237bd2d13 169 case SHA_256:
feb11 0:7a1237bd2d13 170 h0 = H[8];
feb11 0:7a1237bd2d13 171 h1 = H[9];
feb11 0:7a1237bd2d13 172 h2 = H[10];
feb11 0:7a1237bd2d13 173 h3 = H[11];
feb11 0:7a1237bd2d13 174 h4 = H[12];
feb11 0:7a1237bd2d13 175 h5 = H[13];
feb11 0:7a1237bd2d13 176 h6 = H[14];
feb11 0:7a1237bd2d13 177 h7 = H[15];
feb11 0:7a1237bd2d13 178 break;
feb11 0:7a1237bd2d13 179 }
feb11 0:7a1237bd2d13 180 totalBufferLength = 0;
feb11 0:7a1237bd2d13 181 bufferLength = 0;
feb11 0:7a1237bd2d13 182 }
feb11 0:7a1237bd2d13 183
feb11 6:19aa835f2bbb 184 void SHA2_32::computeHash(SHA_32_TYPE type, uint8_t *hash, uint8_t *data, uint32_t length)
feb11 6:19aa835f2bbb 185 {
feb11 6:19aa835f2bbb 186 uint32_t *hash2 = (uint32_t*)hash;
feb11 10:bc9c23aa3870 187
feb11 10:bc9c23aa3870 188 uint32_t h[8];
feb11 10:bc9c23aa3870 189 h[0] = H[type*8];
feb11 10:bc9c23aa3870 190 h[1] = H[type*8+1];
feb11 10:bc9c23aa3870 191 h[2] = H[type*8+2];
feb11 10:bc9c23aa3870 192 h[3] = H[type*8+3];
feb11 10:bc9c23aa3870 193 h[4] = H[type*8+4];
feb11 10:bc9c23aa3870 194 h[5] = H[type*8+5];
feb11 10:bc9c23aa3870 195 h[6] = H[type*8+6];
feb11 10:bc9c23aa3870 196 h[7] = H[type*8+7];
feb11 10:bc9c23aa3870 197
feb11 6:19aa835f2bbb 198 uint64_t lengthBit = length << 3;
feb11 10:bc9c23aa3870 199 uint32_t padding;
feb11 6:19aa835f2bbb 200 if(length % 64 < 56)
feb11 6:19aa835f2bbb 201 padding = 56 - (length % 64);
feb11 6:19aa835f2bbb 202 else
feb11 6:19aa835f2bbb 203 padding = 56 + (64 - (length % 64));
feb11 6:19aa835f2bbb 204
feb11 6:19aa835f2bbb 205 while(length >= 64)
feb11 6:19aa835f2bbb 206 {
feb11 10:bc9c23aa3870 207 computeBlock(h, &h[1], &h[2], &h[3], &h[4], &h[5], &h[6], &h[7], data);
feb11 6:19aa835f2bbb 208 length -= 64;
feb11 6:19aa835f2bbb 209 data += 64;
feb11 6:19aa835f2bbb 210 }
feb11 6:19aa835f2bbb 211 uint8_t buffer[64];
feb11 6:19aa835f2bbb 212 memcpy(buffer, data,length);
feb11 6:19aa835f2bbb 213 buffer[length++] = 0x80;
feb11 6:19aa835f2bbb 214 padding--;
feb11 6:19aa835f2bbb 215 if(padding+length == 56)
feb11 6:19aa835f2bbb 216 memset(&buffer[length], 0, padding);
feb11 6:19aa835f2bbb 217 else
feb11 6:19aa835f2bbb 218 {
feb11 6:19aa835f2bbb 219 memset(&buffer[length], 0, 64-length);
feb11 10:bc9c23aa3870 220 computeBlock(h, &h[1], &h[2], &h[3], &h[4], &h[5], &h[6], &h[7], buffer);
feb11 6:19aa835f2bbb 221 memset(buffer, 0, 56);
feb11 6:19aa835f2bbb 222 }
feb11 6:19aa835f2bbb 223
feb11 6:19aa835f2bbb 224 uint32_t lengthBitLow = lengthBit;
feb11 6:19aa835f2bbb 225 uint32_t lengthBitHigh = lengthBit >> 32;
feb11 13:ac8e23b98dae 226 lengthBitLow = revWord(lengthBitLow);
feb11 6:19aa835f2bbb 227 memcpy(&buffer[60], &lengthBitLow, 4);
feb11 13:ac8e23b98dae 228 lengthBitHigh = revWord(lengthBitHigh);
feb11 6:19aa835f2bbb 229 memcpy(&buffer[56], &lengthBitHigh, 4);
feb11 10:bc9c23aa3870 230 computeBlock(h, &h[1], &h[2], &h[3], &h[4], &h[5], &h[6], &h[7], buffer);
feb11 6:19aa835f2bbb 231
feb11 13:ac8e23b98dae 232 hash2[0] = revWord(h[0]);
feb11 13:ac8e23b98dae 233 hash2[1] = revWord(h[1]);
feb11 13:ac8e23b98dae 234 hash2[2] = revWord(h[2]);
feb11 13:ac8e23b98dae 235 hash2[3] = revWord(h[3]);
feb11 13:ac8e23b98dae 236 hash2[4] = revWord(h[4]);
feb11 13:ac8e23b98dae 237 hash2[5] = revWord(h[5]);
feb11 13:ac8e23b98dae 238 hash2[6] = revWord(h[6]);
feb11 6:19aa835f2bbb 239
feb11 6:19aa835f2bbb 240
feb11 6:19aa835f2bbb 241 if(type == SHA_256)
feb11 13:ac8e23b98dae 242 hash2[7] = revWord(h[7]);
feb11 6:19aa835f2bbb 243 }
feb11 6:19aa835f2bbb 244
feb11 13:ac8e23b98dae 245
feb11 13:ac8e23b98dae 246 #ifdef __CC_ARM
estott 15:634f9c4cbab1 247 //__forceinline
feb11 13:ac8e23b98dae 248 #endif
feb11 13:ac8e23b98dae 249 void SHA2_32::computeBlock(uint32_t *h02,
feb11 0:7a1237bd2d13 250 uint32_t *h12,
feb11 0:7a1237bd2d13 251 uint32_t *h22,
feb11 0:7a1237bd2d13 252 uint32_t *h32,
feb11 0:7a1237bd2d13 253 uint32_t *h42,
feb11 0:7a1237bd2d13 254 uint32_t *h52,
feb11 0:7a1237bd2d13 255 uint32_t *h62,
feb11 0:7a1237bd2d13 256 uint32_t *h72,
feb11 0:7a1237bd2d13 257 uint8_t *buffer)
feb11 0:7a1237bd2d13 258 {
feb11 4:0da19393bd57 259 uint32_t w[16];
feb11 3:85c6ee25cf3e 260 uint32_t *buffer2 = (uint32_t*)buffer;
feb11 3:85c6ee25cf3e 261 uint32_t a = *h02, b = *h12, c = *h22, d = *h32, e = *h42, f = *h52, g = *h62, h = *h72;
feb11 3:85c6ee25cf3e 262 uint32_t T1, T2;
feb11 4:0da19393bd57 263
feb11 4:0da19393bd57 264 R(a,b,c,d,e,f,g,h,0,0x428a2f98)
feb11 4:0da19393bd57 265 R(h,a,b,c,d,e,f,g,1,0x71374491)
feb11 4:0da19393bd57 266 R(g,h,a,b,c,d,e,f,2,0xb5c0fbcf)
feb11 4:0da19393bd57 267 R(f,g,h,a,b,c,d,e,3,0xe9b5dba5)
feb11 4:0da19393bd57 268 R(e,f,g,h,a,b,c,d,4,0x3956c25b)
feb11 4:0da19393bd57 269 R(d,e,f,g,h,a,b,c,5,0x59f111f1)
feb11 4:0da19393bd57 270 R(c,d,e,f,g,h,a,b,6,0x923f82a4)
feb11 4:0da19393bd57 271 R(b,c,d,e,f,g,h,a,7,0xab1c5ed5)
feb11 3:85c6ee25cf3e 272
feb11 4:0da19393bd57 273 R(a,b,c,d,e,f,g,h,8,0xd807aa98)
feb11 4:0da19393bd57 274 R(h,a,b,c,d,e,f,g,9,0x12835b01)
feb11 4:0da19393bd57 275 R(g,h,a,b,c,d,e,f,10,0x243185be)
feb11 4:0da19393bd57 276 R(f,g,h,a,b,c,d,e,11,0x550c7dc3)
feb11 4:0da19393bd57 277 R(e,f,g,h,a,b,c,d,12,0x72be5d74)
feb11 4:0da19393bd57 278 R(d,e,f,g,h,a,b,c,13,0x80deb1fe)
feb11 4:0da19393bd57 279 R(c,d,e,f,g,h,a,b,14,0x9bdc06a7)
feb11 4:0da19393bd57 280 R(b,c,d,e,f,g,h,a,15,0xc19bf174)
feb11 4:0da19393bd57 281
feb11 4:0da19393bd57 282 R2(a,b,c,d,e,f,g,h,16,0xe49b69c1)
feb11 4:0da19393bd57 283 R2(h,a,b,c,d,e,f,g,17,0xefbe4786)
feb11 4:0da19393bd57 284 R2(g,h,a,b,c,d,e,f,18,0x0fc19dc6)
feb11 4:0da19393bd57 285 R2(f,g,h,a,b,c,d,e,19,0x240ca1cc)
feb11 4:0da19393bd57 286 R2(e,f,g,h,a,b,c,d,20,0x2de92c6f)
feb11 4:0da19393bd57 287 R2(d,e,f,g,h,a,b,c,21,0x4a7484aa)
feb11 4:0da19393bd57 288 R2(c,d,e,f,g,h,a,b,22,0x5cb0a9dc)
feb11 4:0da19393bd57 289 R2(b,c,d,e,f,g,h,a,23,0x76f988da)
feb11 3:85c6ee25cf3e 290
feb11 4:0da19393bd57 291 R2(a,b,c,d,e,f,g,h,24,0x983e5152)
feb11 4:0da19393bd57 292 R2(h,a,b,c,d,e,f,g,25,0xa831c66d)
feb11 4:0da19393bd57 293 R2(g,h,a,b,c,d,e,f,26,0xb00327c8)
feb11 4:0da19393bd57 294 R2(f,g,h,a,b,c,d,e,27,0xbf597fc7)
feb11 4:0da19393bd57 295 R2(e,f,g,h,a,b,c,d,28,0xc6e00bf3)
feb11 4:0da19393bd57 296 R2(d,e,f,g,h,a,b,c,29,0xd5a79147)
feb11 4:0da19393bd57 297 R2(c,d,e,f,g,h,a,b,30,0x06ca6351)
feb11 4:0da19393bd57 298 R2(b,c,d,e,f,g,h,a,31,0x14292967)
feb11 4:0da19393bd57 299
feb11 4:0da19393bd57 300 R2(a,b,c,d,e,f,g,h,32,0x27b70a85)
feb11 4:0da19393bd57 301 R2(h,a,b,c,d,e,f,g,33,0x2e1b2138)
feb11 4:0da19393bd57 302 R2(g,h,a,b,c,d,e,f,34,0x4d2c6dfc)
feb11 4:0da19393bd57 303 R2(f,g,h,a,b,c,d,e,35,0x53380d13)
feb11 4:0da19393bd57 304 R2(e,f,g,h,a,b,c,d,36,0x650a7354)
feb11 4:0da19393bd57 305 R2(d,e,f,g,h,a,b,c,37,0x766a0abb)
feb11 4:0da19393bd57 306 R2(c,d,e,f,g,h,a,b,38,0x81c2c92e)
feb11 4:0da19393bd57 307 R2(b,c,d,e,f,g,h,a,39,0x92722c85)
feb11 3:85c6ee25cf3e 308
feb11 4:0da19393bd57 309 R2(a,b,c,d,e,f,g,h,40,0xa2bfe8a1)
feb11 4:0da19393bd57 310 R2(h,a,b,c,d,e,f,g,41,0xa81a664b)
feb11 4:0da19393bd57 311 R2(g,h,a,b,c,d,e,f,42,0xc24b8b70)
feb11 4:0da19393bd57 312 R2(f,g,h,a,b,c,d,e,43,0xc76c51a3)
feb11 4:0da19393bd57 313 R2(e,f,g,h,a,b,c,d,44,0xd192e819)
feb11 4:0da19393bd57 314 R2(d,e,f,g,h,a,b,c,45,0xd6990624)
feb11 4:0da19393bd57 315 R2(c,d,e,f,g,h,a,b,46,0xf40e3585)
feb11 4:0da19393bd57 316 R2(b,c,d,e,f,g,h,a,47,0x106aa070)
feb11 3:85c6ee25cf3e 317
feb11 4:0da19393bd57 318 R2(a,b,c,d,e,f,g,h,48,0x19a4c116)
feb11 4:0da19393bd57 319 R2(h,a,b,c,d,e,f,g,49,0x1e376c08)
feb11 4:0da19393bd57 320 R2(g,h,a,b,c,d,e,f,50,0x2748774c)
feb11 4:0da19393bd57 321 R2(f,g,h,a,b,c,d,e,51,0x34b0bcb5)
feb11 4:0da19393bd57 322 R2(e,f,g,h,a,b,c,d,52,0x391c0cb3)
feb11 4:0da19393bd57 323 R2(d,e,f,g,h,a,b,c,53,0x4ed8aa4a)
feb11 4:0da19393bd57 324 R2(c,d,e,f,g,h,a,b,54,0x5b9cca4f)
feb11 4:0da19393bd57 325 R2(b,c,d,e,f,g,h,a,55,0x682e6ff3)
feb11 4:0da19393bd57 326
feb11 4:0da19393bd57 327 R2(a,b,c,d,e,f,g,h,56,0x748f82ee)
feb11 4:0da19393bd57 328 R2(h,a,b,c,d,e,f,g,57,0x78a5636f)
feb11 4:0da19393bd57 329 R2(g,h,a,b,c,d,e,f,58,0x84c87814)
feb11 4:0da19393bd57 330 R2(f,g,h,a,b,c,d,e,59,0x8cc70208)
feb11 4:0da19393bd57 331 R2(e,f,g,h,a,b,c,d,60,0x90befffa)
feb11 4:0da19393bd57 332 R2(d,e,f,g,h,a,b,c,61,0xa4506ceb)
feb11 4:0da19393bd57 333 R2(c,d,e,f,g,h,a,b,62,0xbef9a3f7)
feb11 4:0da19393bd57 334 R2(b,c,d,e,f,g,h,a,63,0xc67178f2)
feb11 3:85c6ee25cf3e 335
feb11 0:7a1237bd2d13 336
feb11 0:7a1237bd2d13 337 *h02 += a;
feb11 0:7a1237bd2d13 338 *h12 += b;
feb11 0:7a1237bd2d13 339 *h22 += c;
feb11 0:7a1237bd2d13 340 *h32 += d;
feb11 0:7a1237bd2d13 341 *h42 += e;
feb11 0:7a1237bd2d13 342 *h52 += f;
feb11 0:7a1237bd2d13 343 *h62 += g;
feb11 0:7a1237bd2d13 344 *h72 += h;
feb11 0:7a1237bd2d13 345 }