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crypto: skcipher - Add helper to retrieve driver name

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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>
This commit is contained in:
Herbert Xu 2016-01-26 22:14:36 +08:00
parent c1e9b3b0ee
commit a2d382a4f1
1 changed files with 6 additions and 0 deletions
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6
include/crypto/skcipher.h
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@ -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