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v3.9.1

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Jay D Dee
2019-05-30 16:59:49 -04:00
parent eb3f57bfc7
commit 77c5ae80ab
82 changed files with 6906 additions and 3706 deletions
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37
algo/yescrypt/sha256_Y.c
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@@ -299,48 +299,26 @@ HMAC_SHA256_Init(HMAC_SHA256_CTX * ctx, const void * _K, size_t Klen)
/* If Klen > 64, the key is really SHA256(K). */
if (Klen > 64) {
#ifndef USE_SPH_SHA
SHA256_Init(&ctx->ictx);
SHA256_Update(&ctx->ictx, K, Klen);
SHA256_Final(khash, &ctx->ictx);
#else
SHA256_Init_Y(&ctx->ictx);
SHA256_Update_Y(&ctx->ictx, K, Klen);
SHA256_Final_Y(khash, &ctx->ictx);
#endif
K = khash;
Klen = 32;
}
/* Inner SHA256 operation is SHA256(K xor [block of 0x36] || data). */
#ifndef USE_SPH_SHA
SHA256_Init(&ctx->ictx);
#else
SHA256_Init_Y(&ctx->ictx);
#endif
memset(pad, 0x36, 64);
for (i = 0; i < Klen; i++)
pad[i] ^= K[i];
#ifndef USE_SPH_SHA
SHA256_Update(&ctx->ictx, pad, 64);
#else
SHA256_Update_Y(&ctx->ictx, pad, 64);
#endif
/* Outer SHA256 operation is SHA256(K xor [block of 0x5c] || hash). */
#ifndef USE_SPH_SHA
SHA256_Init(&ctx->octx);
#else
SHA256_Init_Y(&ctx->octx);
#endif
memset(pad, 0x5c, 64);
for (i = 0; i < Klen; i++)
pad[i] ^= K[i];
#ifndef USE_SPH_SHA
SHA256_Update(&ctx->octx, pad, 64);
#else
SHA256_Update_Y(&ctx->octx, pad, 64);
#endif
/* Clean the stack. */
//memset(khash, 0, 32);
@@ -352,11 +330,7 @@ HMAC_SHA256_Update(HMAC_SHA256_CTX * ctx, const void *in, size_t len)
{
/* Feed data to the inner SHA256 operation. */
#ifndef USE_SPH_SHA
SHA256_Update(&ctx->ictx, in, len);
#else
SHA256_Update_Y(&ctx->ictx, in, len);
#endif
}
/* Finish an HMAC-SHA256 operation. */
@@ -365,7 +339,6 @@ HMAC_SHA256_Final(unsigned char digest[32], HMAC_SHA256_CTX * ctx)
{
unsigned char ihash[32];
#ifndef USE_SPH_SHA
/* Finish the inner SHA256 operation. */
SHA256_Final(ihash, &ctx->ictx);
@@ -374,16 +347,6 @@ HMAC_SHA256_Final(unsigned char digest[32], HMAC_SHA256_CTX * ctx)
/* Finish the outer SHA256 operation. */
SHA256_Final(digest, &ctx->octx);
#else
/* Finish the inner SHA256 operation. */
SHA256_Final_Y(ihash, &ctx->ictx);
/* Feed the inner hash to the outer SHA256 operation. */
SHA256_Update_Y(&ctx->octx, ihash, 32);
/* Finish the outer SHA256 operation. */
SHA256_Final_Y(digest, &ctx->octx);
#endif
/* Clean the stack. */
//memset(ihash, 0, 32);