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| author | lealem47 <60322859+lealem47@users.noreply.github.com> | 2023-11-12 16:51:31 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-11-13 00:51:31 +0100 |
| commit | 9247ce1bb90c44d19a0069fadb12c0c480ac9b4f (patch) | |
| tree | 66fb4728d502759271d03eba59d51c1a129b2ffb /src/Common/Random.c | |
| parent | 458be85f84a097aa829658c50ce41d82791fb6a8 (diff) | |
| download | VeraCrypt-9247ce1bb90c44d19a0069fadb12c0c480ac9b4f.tar.gz VeraCrypt-9247ce1bb90c44d19a0069fadb12c0c480ac9b4f.zip | |
wolfCrypt as crypto backend for VeraCrypt (#1227)
* wolfCrypt as crypto backend for VeraCrypt
* Refactor to use EncryptionModeWolfCryptXTS class
Diffstat (limited to 'src/Common/Random.c')
| -rw-r--r-- | src/Common/Random.c | 45 |
1 files changed, 25 insertions, 20 deletions
diff --git a/src/Common/Random.c b/src/Common/Random.c index fd836c7f..ee3fcf53 100644 --- a/src/Common/Random.c +++ b/src/Common/Random.c @@ -262,19 +262,17 @@ BOOL Randmix () if (bRandmixEnabled) { unsigned char hashOutputBuffer [MAX_DIGESTSIZE]; - WHIRLPOOL_CTX wctx; - blake2s_state bctx; + #ifndef WOLFCRYPT_BACKEND + WHIRLPOOL_CTX wctx; + blake2s_state bctx; + STREEBOG_CTX stctx; + #endif sha512_ctx sctx; sha256_ctx s256ctx; - STREEBOG_CTX stctx; int poolIndex, digestIndex, digestSize; switch (HashFunction) { - case BLAKE2S: - digestSize = BLAKE2S_DIGESTSIZE; - break; - case SHA512: digestSize = SHA512_DIGESTSIZE; break; @@ -283,6 +281,11 @@ BOOL Randmix () digestSize = SHA256_DIGESTSIZE; break; + #ifndef WOLFCRYPT_BACKEND + case BLAKE2S: + digestSize = BLAKE2S_DIGESTSIZE; + break; + case WHIRLPOOL: digestSize = WHIRLPOOL_DIGESTSIZE; break; @@ -290,7 +293,7 @@ BOOL Randmix () case STREEBOG: digestSize = STREEBOG_DIGESTSIZE; break; - + #endif default: TC_THROW_FATAL_EXCEPTION; } @@ -303,12 +306,6 @@ BOOL Randmix () /* Compute the message digest of the entire pool using the selected hash function. */ switch (HashFunction) { - case BLAKE2S: - blake2s_init(&bctx); - blake2s_update(&bctx, pRandPool, RNG_POOL_SIZE); - blake2s_final(&bctx, hashOutputBuffer); - break; - case SHA512: sha512_begin (&sctx); sha512_hash (pRandPool, RNG_POOL_SIZE, &sctx); @@ -321,6 +318,13 @@ BOOL Randmix () sha256_end (hashOutputBuffer, &s256ctx); break; + #ifndef WOLFCRYPT_BACKEND + case BLAKE2S: + blake2s_init(&bctx); + blake2s_update(&bctx, pRandPool, RNG_POOL_SIZE); + blake2s_final(&bctx, hashOutputBuffer); + break; + case WHIRLPOOL: WHIRLPOOL_init (&wctx); WHIRLPOOL_add (pRandPool, RNG_POOL_SIZE, &wctx); @@ -332,7 +336,7 @@ BOOL Randmix () STREEBOG_add (&stctx, pRandPool, RNG_POOL_SIZE); STREEBOG_finalize (&stctx, hashOutputBuffer); break; - + #endif default: // Unknown/wrong ID TC_THROW_FATAL_EXCEPTION; @@ -349,10 +353,6 @@ BOOL Randmix () burn (hashOutputBuffer, MAX_DIGESTSIZE); switch (HashFunction) { - case BLAKE2S: - burn (&bctx, sizeof(bctx)); - break; - case SHA512: burn (&sctx, sizeof(sctx)); break; @@ -361,6 +361,11 @@ BOOL Randmix () burn (&s256ctx, sizeof(s256ctx)); break; + #ifndef WOLFCRYPT_BACKEND + case BLAKE2S: + burn (&bctx, sizeof(bctx)); + break; + case WHIRLPOOL: burn (&wctx, sizeof(wctx)); break; @@ -368,7 +373,7 @@ BOOL Randmix () case STREEBOG: burn (&stctx, sizeof(sctx)); break; - + #endif default: // Unknown/wrong ID TC_THROW_FATAL_EXCEPTION; |