On Thu, Jul 16, 2015 at 07:13:58PM +0200, Martin Willi wrote: > This patch series adds both ChaCha20 and Poly1305 specific ciphers for > x86_64 using SSE2/SSSE3 and AVX2 instructions. The idea is to have a drop-in > replacement for AESNI/CLMUL-accelerated AES-GCM providing at least somewhat > comparable performance, refer to RFC7539 for details. It is based on cryptodev, > including the ChaCha20/Poly1305 AEAD interface conversion patch. > > The first patch adds some speed tests to tcrypt. The second patch exports > some functionality from chacha20-generic to use it as fallback. Patch 3 > adds a single block SSSE3 driver for ChaCha20, while patch 4 and 5 extend it > by an optimized four block SSSE3 and an eight block AVX2 variant. Patch 6 > adds an additional test vector for ChaCha20 to actually test the AVX2 eight > block variant processing 512-bytes at once. > > Patch 7 exports some poly1305-generic functionality to use it as fallback. > Patch 8 introduces a single block SSE2 driver for Poly1305, while patch 9 > and 10 add an optimized two block SSE2 and a four block AVX2 variant. > > Overall speedup for the ChaCha20/Poly1305 AEAD for typical IPsec payloads > is ~50-150% with SSE2/SSSE3 and ~100-200% with AVX2, or even more for larger > payloads: All applied. Thanks Martin! -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
