diff options
| author | Herbert Xu <herbert@gondor.apana.org.au> | 2016-01-08 21:28:26 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-17 12:31:03 -0800 |
| commit | f2e274ce8bfe8ab928ab1968a82a3b7eec27a69b (patch) | |
| tree | a71591a4bc850ead2dc47f22037caff403c97cce /include | |
| parent | eeb2e2e72bce3c4f3e74d1ea2c621aa574b8ef18 (diff) | |
crypto: hash - Add crypto_ahash_has_setkey
commit a5596d6332787fd383b3b5427b41f94254430827 upstream.
This patch adds a way for ahash users to determine whether a key
is required by a crypto_ahash transform.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include')
| -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 |