diff options
| author |   Jussi Kivilinna <jussi.kivilinna@mbnet.fi> | 2011-11-09 16:26:36 +0200 |
|---|---|---|
| committer |   Herbert Xu <herbert@gondor.apana.org.au> | 2011-11-21 16:13:24 +0800 |
| commit | 18482053f92b099663bd36a10e8f6bd2c8544669 (patch) | |
| tree | 5747eb47b1b0ffa59d4ad5c2402021e3b4544a1f /include/crypto | |
| parent | crypto: serpent - add 4-way parallel i586/SSE2 assembler implementation (diff) | |
| download | linux-dev-18482053f92b099663bd36a10e8f6bd2c8544669.tar.xz linux-dev-18482053f92b099663bd36a10e8f6bd2c8544669.zip | |
crypto: serpent-sse2 - add lrw support
Patch adds LRW support for serpent-sse2 by using lrw_crypt(). Patch has been
tested with tcrypt and automated filesystem tests.
Tcrypt benchmarks results (serpent-sse2/serpent_generic speed ratios):
Benchmark results with tcrypt:
Intel Celeron T1600 (x86_64) (fam:6, model:15, step:13):
size lrw-enc lrw-dec
16B 1.00x 0.96x
64B 1.01x 1.01x
256B 3.01x 2.97x
1024B 3.39x 3.33x
8192B 3.35x 3.33x
AMD Phenom II 1055T (x86_64) (fam:16, model:10):
size lrw-enc lrw-dec
16B 0.98x 1.03x
64B 1.01x 1.04x
256B 2.10x 2.14x
1024B 2.28x 2.33x
8192B 2.30x 2.33x
Intel Atom N270 (i586):
size lrw-enc lrw-dec
16B 0.97x 0.97x
64B 1.47x 1.50x
256B 1.72x 1.69x
1024B 1.88x 1.81x
8192B 1.84x 1.79x
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include/crypto')
| -rw-r--r-- | include/crypto/serpent.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/crypto/serpent.h b/include/crypto/serpent.h index 40df885f9d1f..b7e0941eb6fc 100644 --- a/include/crypto/serpent.h +++ b/include/crypto/serpent.h @@ -17,6 +17,8 @@ struct serpent_ctx { u32 expkey[SERPENT_EXPKEY_WORDS]; }; +int __serpent_setkey(struct serpent_ctx *ctx, const u8 *key, + unsigned int keylen); int serpent_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen); void __serpent_encrypt(struct serpent_ctx *ctx, u8 *dst, const u8 *src); |