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crypto: ahash - Add unaligned handling and default operations

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This patch exports the finup operation where available and adds
a default finup operation for ahash.  The operations final, finup
and digest also will now deal with unaligned result pointers by
copying it.  Finally export/import operations are will now be
exported too.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu
2009-07-15 12:40:40 +08:00
parent 093900c2b9
commit 66f6ce5e52
4 changed files with 263 additions and 22 deletions
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23
include/crypto/hash.h
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@@ -31,6 +31,9 @@ struct ahash_request {
struct scatterlist *src;
u8 *result;
/* This field may only be used by the ahash API code. */
void *priv;
void *__ctx[] CRYPTO_MINALIGN_ATTR;
};
@@ -175,16 +178,11 @@ static inline void *ahash_request_ctx(struct ahash_request *req)
return req->__ctx;
}
static inline int crypto_ahash_setkey(struct crypto_ahash *tfm,
const u8 *key, unsigned int keylen)
{
return tfm->setkey(tfm, key, keylen);
}
static inline int crypto_ahash_digest(struct ahash_request *req)
{
return crypto_ahash_reqtfm(req)->digest(req);
}
int crypto_ahash_setkey(struct crypto_ahash *tfm, const u8 *key,
unsigned int keylen);
int crypto_ahash_finup(struct ahash_request *req);
int crypto_ahash_final(struct ahash_request *req);
int crypto_ahash_digest(struct ahash_request *req);
static inline int crypto_ahash_export(struct ahash_request *req, void *out)
{
@@ -206,11 +204,6 @@ static inline int crypto_ahash_update(struct ahash_request *req)
return crypto_ahash_reqtfm(req)->update(req);
}
static inline int crypto_ahash_final(struct ahash_request *req)
{
return crypto_ahash_reqtfm(req)->final(req);
}
static inline void ahash_request_set_tfm(struct ahash_request *req,
struct crypto_ahash *tfm)
{