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| author | Jussi Kivilinna <jussi.kivilinna@iki.fi> | 2013-04-08 21:50:55 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2013-04-25 21:01:51 +0800 |
| commit | a05248ed2d9a83ae7c3e6db7c4ef9331c3dedc81 (patch) | |
| tree | 62fead9aac2e2471dbc5d6df7b630589220eea3c /arch/x86/include/asm/crypto/serpent-avx.h | |
| parent | d2049d8566bf74723f0c353621174b37ff3d75ec (diff) | |
| download | blackbird-op-linux-a05248ed2d9a83ae7c3e6db7c4ef9331c3dedc81.tar.gz blackbird-op-linux-a05248ed2d9a83ae7c3e6db7c4ef9331c3dedc81.zip | |
crypto: x86 - add more optimized XTS-mode for serpent-avx
This patch adds AVX optimized XTS-mode helper functions/macros and converts
serpent-avx to use the new facilities. Benefits are slightly improved speed
and reduced stack usage as use of temporary IV-array is avoided.
tcrypt results, with Intel i5-2450M:
enc dec
16B 1.00x 1.00x
64B 1.00x 1.00x
256B 1.04x 1.06x
1024B 1.09x 1.09x
8192B 1.10x 1.09x
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'arch/x86/include/asm/crypto/serpent-avx.h')
| -rw-r--r-- | arch/x86/include/asm/crypto/serpent-avx.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/include/asm/crypto/serpent-avx.h b/arch/x86/include/asm/crypto/serpent-avx.h index 0da1d3e2a55c..56e79cc57eaf 100644 --- a/arch/x86/include/asm/crypto/serpent-avx.h +++ b/arch/x86/include/asm/crypto/serpent-avx.h @@ -16,4 +16,9 @@ asmlinkage void serpent_cbc_dec_8way_avx(struct serpent_ctx *ctx, u8 *dst, asmlinkage void serpent_ctr_8way_avx(struct serpent_ctx *ctx, u8 *dst, const u8 *src, le128 *iv); +asmlinkage void serpent_xts_enc_8way_avx(struct serpent_ctx *ctx, u8 *dst, + const u8 *src, le128 *iv); +asmlinkage void serpent_xts_dec_8way_avx(struct serpent_ctx *ctx, u8 *dst, + const u8 *src, le128 *iv); + #endif |
