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| author | Huang Ying <ying.huang@intel.com> | 2009-08-06 15:35:20 +1000 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2009-08-06 15:35:20 +1000 |
| commit | ace1366369841c9c3a9788f79baa4d73f1c53107 (patch) | |
| tree | 65d07ad456082a0e62a1d70fa91403c10d468e27 /include/crypto | |
| parent | 9382d97af586a47dad312765e35c61aa7ad7fcdd (diff) | |
| download | lwn-ace1366369841c9c3a9788f79baa4d73f1c53107.tar.gz lwn-ace1366369841c9c3a9788f79baa4d73f1c53107.zip | |
crypto: cryptd - Add support to access underlaying shash
cryptd_alloc_ahash() will allocate a cryptd-ed ahash for specified
algorithm name. The new allocated one is guaranteed to be cryptd-ed
ahash, so the shash underlying can be gotten via cryptd_ahash_child().
Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include/crypto')
| -rw-r--r-- | include/crypto/cryptd.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/crypto/cryptd.h b/include/crypto/cryptd.h index 55fa7bbdbc71..2f65a6e8ea4d 100644 --- a/include/crypto/cryptd.h +++ b/include/crypto/cryptd.h @@ -7,6 +7,7 @@ #include <linux/crypto.h> #include <linux/kernel.h> +#include <crypto/hash.h> struct cryptd_ablkcipher { struct crypto_ablkcipher base; @@ -24,4 +25,20 @@ struct cryptd_ablkcipher *cryptd_alloc_ablkcipher(const char *alg_name, struct crypto_blkcipher *cryptd_ablkcipher_child(struct cryptd_ablkcipher *tfm); void cryptd_free_ablkcipher(struct cryptd_ablkcipher *tfm); +struct cryptd_ahash { + struct crypto_ahash base; +}; + +static inline struct cryptd_ahash *__cryptd_ahash_cast( + struct crypto_ahash *tfm) +{ + return (struct cryptd_ahash *)tfm; +} + +/* alg_name should be algorithm to be cryptd-ed */ +struct cryptd_ahash *cryptd_alloc_ahash(const char *alg_name, + u32 type, u32 mask); +struct crypto_shash *cryptd_ahash_child(struct cryptd_ahash *tfm); +void cryptd_free_ahash(struct cryptd_ahash *tfm); + #endif |