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commit
2170b58b6f
1 changed files with 5 additions and 3 deletions
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@ -213,16 +213,17 @@ static void E8(hashState *state)
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/*The compression function F8 */
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static void F8(hashState *state)
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{
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uint64 i;
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uint64_t* x = (uint64_t*)state->x;
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const uint64_t* buf = (uint64*)state->buffer;
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/*xor the 512-bit message with the fist half of the 1024-bit hash state*/
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for (i = 0; i < 8; i++) state->x[i >> 1][i & 1] ^= ((uint64*)state->buffer)[i];
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for (int i = 0; i < 8; ++i) x[i] ^= buf[i];
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/*the bijective function E8 */
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E8(state);
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/*xor the 512-bit message with the second half of the 1024-bit hash state*/
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for (i = 0; i < 8; i++) state->x[(8+i) >> 1][(8+i) & 1] ^= ((uint64*)state->buffer)[i];
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for (int i = 0; i < 8; ++i) x[i + 8] ^= buf[i];
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}
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/*before hashing a message, initialize the hash state as H0 */
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@ -240,6 +241,7 @@ static HashReturn Init(hashState *state, int hashbitlen)
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case 224: memcpy(state->x,JH224_H0,128); break;
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case 256: memcpy(state->x,JH256_H0,128); break;
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case 384: memcpy(state->x,JH384_H0,128); break;
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default:
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case 512: memcpy(state->x,JH512_H0,128); break;
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}
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