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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2016-01-08 16:28:26 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2016-01-18 13:16:11 +0300 |
| commit | a5596d6332787fd383b3b5427b41f94254430827 (patch) | |
| tree | a618523b21b98d08e5afd40782ea4d12924f9952 /include/crypto/hash.h | |
| parent | a0fa2d037129a9849918a92d91b79ed6c7bd2818 (diff) | |
| download | linux-a5596d6332787fd383b3b5427b41f94254430827.tar.xz | |
crypto: hash - Add crypto_ahash_has_setkey
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>
Diffstat (limited to 'include/crypto/hash.h')
| -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 3d69c93d50e8..6361892ea737 100644 --- a/include/crypto/hash.h +++ b/include/crypto/hash.h @@ -204,6 +204,7 @@ struct crypto_ahash { unsigned int keylen); unsigned int reqsize; + bool has_setkey; struct crypto_tfm base; }; @@ -375,6 +376,11 @@ 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 |