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| author | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2024-11-10 21:08:00 +0100 |
|---|---|---|
| committer | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2024-11-10 21:08:00 +0100 |
| commit | 04c747fb2df007eddc27e515acaa91f8993a70af (patch) | |
| tree | f1ecf9078e500f022d78f2441834bcaf3985ccd1 /src/Crypto/Sha2.c | |
| parent | fcc0c8283679c696a9938791bf6f7a3ea2921716 (diff) | |
| download | VeraCrypt-04c747fb2df007eddc27e515acaa91f8993a70af.tar.gz VeraCrypt-04c747fb2df007eddc27e515acaa91f8993a70af.zip | |
Add support for SHA-256 x86 instrinsic for enhance performance of PBKDF2-HMAC-SHA256
Diffstat (limited to 'src/Crypto/Sha2.c')
| -rw-r--r-- | src/Crypto/Sha2.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/Crypto/Sha2.c b/src/Crypto/Sha2.c index 3cce21d7..5ae9cae2 100644 --- a/src/Crypto/Sha2.c +++ b/src/Crypto/Sha2.c @@ -306,6 +306,9 @@ extern "C" void sha256_sse4(void *input_data, uint_32t digest[8], uint_64t num_blks); void sha256_rorx(void *input_data, uint_32t digest[8], uint_64t num_blks); void sha256_avx(void *input_data, uint_32t digest[8], uint_64t num_blks); +#if CRYPTOPP_SHANI_AVAILABLE + void sha256_intel(void *input_data, uint_32t digest[8], uint_64t num_blks); +#endif #endif #if CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X32 @@ -717,6 +720,13 @@ void StdSha256Transform(sha256_ctx* ctx, void* mp, uint_64t num_blks) #ifndef NO_OPTIMIZED_VERSIONS #if CRYPTOPP_BOOL_X64 +#if CRYPTOPP_SHANI_AVAILABLE +void IntelSha256Transform(sha256_ctx* ctx, void* mp, uint_64t num_blks) +{ + sha256_intel(mp, ctx->hash, num_blks); +} +#endif + void Avx2Sha256Transform(sha256_ctx* ctx, void* mp, uint_64t num_blks) { if (num_blks > 1) @@ -775,6 +785,11 @@ void sha256_begin(sha256_ctx* ctx) { #ifndef NO_OPTIMIZED_VERSIONS #if CRYPTOPP_BOOL_X64 +#if CRYPTOPP_SHANI_AVAILABLE + if (HasSHA256()) + sha256transfunc = IntelSha256Transform; + else +#endif if (g_isIntel && HasSAVX2() && HasSBMI2()) sha256transfunc = Avx2Sha256Transform; else if (g_isIntel && HasSAVX()) |