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authorHerbert Xu <herbert@gondor.apana.org.au>2015-10-19 04:37:41 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2015-10-20 17:10:48 +0300
commit524e56c31a6fe21e6f6f543360359e7a97dfabfb (patch)
tree62b4cbe0ae8b30fe033ce73f959254329556af21 /include/crypto
parent63349d02c195030f97c9c2000bbf32539056316f (diff)
downloadlinux-524e56c31a6fe21e6f6f543360359e7a97dfabfb.tar.xz
crypto: ahash - Add crypto_ahash_blocksize
This patch adds the missing helper crypto_ahash_blocksize which returns the block size of an ahash algorithm. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include/crypto')
-rw-r--r--include/crypto/hash.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/crypto/hash.h b/include/crypto/hash.h
index 8e920b44c0ac..3d69c93d50e8 100644
--- a/include/crypto/hash.h
+++ b/include/crypto/hash.h
@@ -264,6 +264,20 @@ static inline unsigned int crypto_ahash_alignmask(
return crypto_tfm_alg_alignmask(crypto_ahash_tfm(tfm));
}
+/**
+ * crypto_ahash_blocksize() - obtain block size for cipher
+ * @tfm: cipher handle
+ *
+ * The block size for the message digest cipher referenced with the cipher
+ * handle is returned.
+ *
+ * Return: block size of cipher
+ */
+static inline unsigned int crypto_ahash_blocksize(struct crypto_ahash *tfm)
+{
+ return crypto_tfm_alg_blocksize(crypto_ahash_tfm(tfm));
+}
+
static inline struct hash_alg_common *__crypto_hash_alg_common(
struct crypto_alg *alg)
{