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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2016-01-08 21:28:26 +0800 |
|---|---|---|
| committer | Sasha Levin <sasha.levin@oracle.com> | 2016-02-09 22:57:32 -0500 |
| commit | 8c7817966b10cdb048036e456316ac3aba9f0279 (patch) | |
| tree | 6719dabbacb0afb7614060f19bef27dafcebd4df /include/crypto | |
| parent | cfc8c439b792a65379a8f8122d36748b097de6f0 (diff) | |
| download | linux-rt-8c7817966b10cdb048036e456316ac3aba9f0279.tar.gz | |
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 | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/crypto/hash.h b/include/crypto/hash.h index 74b13ec1ebd4..6857e565a14d 100644 --- a/include/crypto/hash.h +++ b/include/crypto/hash.h @@ -99,6 +99,7 @@ struct crypto_ahash { unsigned int keylen); unsigned int reqsize; + bool has_setkey; struct crypto_tfm base; }; @@ -186,6 +187,12 @@ 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; +} + int crypto_ahash_finup(struct ahash_request *req); int crypto_ahash_final(struct ahash_request *req); int crypto_ahash_digest(struct ahash_request *req); |