diff options
| author | Huang Ying <ying.huang@intel.com> | 2009-01-09 17:25:50 +1100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2009-02-18 16:48:05 +0800 |
| commit | 07bf44f86989f5ed866510374fe761d1903681fb (patch) | |
| tree | b7a4bbd3a66dd6fec0243a12f8569a4ad0fce9da /arch/x86/crypto/aes_glue.c | |
| parent | 109568e110ed67d4be1b28609b9fa00fca97f8eb (diff) | |
| download | linux-07bf44f86989f5ed866510374fe761d1903681fb.tar.bz2 | |
crypto: aes - Export x86 AES encrypt/decrypt functions
Intel AES-NI AES acceleration instructions touch XMM state, to use
that in soft_irq context, general x86 AES implementation is used as
fallback. The first parameter is changed from struct crypto_tfm * to
struct crypto_aes_ctx * to make it easier to deal with 16 bytes
alignment requirement of AES-NI implementation.
Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'arch/x86/crypto/aes_glue.c')
| -rw-r--r-- | arch/x86/crypto/aes_glue.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/arch/x86/crypto/aes_glue.c b/arch/x86/crypto/aes_glue.c index 71f457827116..49ae9fe32b22 100644 --- a/arch/x86/crypto/aes_glue.c +++ b/arch/x86/crypto/aes_glue.c @@ -5,17 +5,29 @@ #include <crypto/aes.h> -asmlinkage void aes_enc_blk(struct crypto_tfm *tfm, u8 *out, const u8 *in); -asmlinkage void aes_dec_blk(struct crypto_tfm *tfm, u8 *out, const u8 *in); +asmlinkage void aes_enc_blk(struct crypto_aes_ctx *ctx, u8 *out, const u8 *in); +asmlinkage void aes_dec_blk(struct crypto_aes_ctx *ctx, u8 *out, const u8 *in); + +void crypto_aes_encrypt_x86(struct crypto_aes_ctx *ctx, u8 *dst, const u8 *src) +{ + aes_enc_blk(ctx, dst, src); +} +EXPORT_SYMBOL_GPL(crypto_aes_encrypt_x86); + +void crypto_aes_decrypt_x86(struct crypto_aes_ctx *ctx, u8 *dst, const u8 *src) +{ + aes_dec_blk(ctx, dst, src); +} +EXPORT_SYMBOL_GPL(crypto_aes_decrypt_x86); static void aes_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) { - aes_enc_blk(tfm, dst, src); + aes_enc_blk(crypto_tfm_ctx(tfm), dst, src); } static void aes_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) { - aes_dec_blk(tfm, dst, src); + aes_dec_blk(crypto_tfm_ctx(tfm), dst, src); } static struct crypto_alg aes_alg = { |