crypto: skcipher - Add helper to retrieve driver name



This patch adds the helper crypto_skcipher_driver_name which returns
the driver name of the alg object for a given tfm.  This is needed by
ecryptfs.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

parent c1e9b3b0

include/crypto/skcipher.h

+6 −0

Original line number	Diff line number	Diff line
		@@ -231,6 +231,12 @@ static inline int crypto_has_skcipher(const char *alg_name, u32 type,
		crypto_skcipher_mask(mask));
		}

		static inline const char *crypto_skcipher_driver_name(
		struct crypto_skcipher *tfm)
		{
		return crypto_tfm_alg_name(crypto_skcipher_tfm(tfm));
		}

		/**
		* crypto_skcipher_ivsize() - obtain IV size
		* @tfm: cipher handle