From 18482053f92b099663bd36a10e8f6bd2c8544669 Mon Sep 17 00:00:00 2001 From: Jussi Kivilinna Date: Wed, 9 Nov 2011 16:26:36 +0200 Subject: 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 Signed-off-by: Herbert Xu --- include/crypto/serpent.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include') diff --git a/include/crypto/serpent.h b/include/crypto/serpent.h index 40df885f9d1..b7e0941eb6f 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); -- cgit v1.2.3-18-g5258