diff options
| author | Herbert Xu <herbert@gondor.apana.org.au> | 2016-01-08 21:28:26 +0800 |
|---|---|---|
| committer | Sasha Levin <sasha.levin@oracle.com> | 2016-02-03 16:23:18 -0500 |
| commit | c409087e6db988257adffb614616764116c7337e (patch) | |
| tree | ae5cebc463b5660bed8451172276a1510e4d7e10 /include/crypto | |
| parent | 92d76b5b2c3a29e14bc01a5e96d075afd4c6644f (diff) | |
crypto: hash - Add crypto_ahash_has_setkey
[ Upstream commit a5596d6332787fd383b3b5427b41f94254430827 ]
This patch adds a way for ahash users to determine whether a key
is required by a crypto_ahash transform.
Cc: stable@vger.kernel.org
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Diffstat (limited to 'include/crypto')
| -rw-r--r-- | include/crypto/hash.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/crypto/hash.h b/include/crypto/hash.h index 98abda9ed3aa..bbc59bdd6395 100644 --- a/include/crypto/hash.h +++ b/include/crypto/hash.h @@ -199,6 +199,7 @@ struct crypto_ahash { unsigned int keylen); unsigned int reqsize; + bool has_setkey; struct crypto_tfm base; }; @@ -356,6 +357,11 @@ static inline void *ahash_request_ctx(struct ahash_request *req) int crypto_ahash_setkey(struct crypto_ahash *tfm, const u8 *key, unsigned int keylen); +static inline bool crypto_ahash_has_setkey(struct crypto_ahash *tfm) +{ + return tfm->has_setkey; +} + /** * crypto_ahash_finup() - update and finalize message digest * @req: reference to the ahash_request handle that holds all information |