From a5596d6332787fd383b3b5427b41f94254430827 Mon Sep 17 00:00:00 2001 From: Herbert Xu Date: Fri, 8 Jan 2016 21:28:26 +0800 Subject: 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 --- include/crypto/hash.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'include/crypto/hash.h') 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 -- cgit