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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2016-01-08 21:28:26 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2016-01-18 18:16:11 +0800 |
| commit | a5596d6332787fd383b3b5427b41f94254430827 (patch) | |
| tree | a618523b21b98d08e5afd40782ea4d12924f9952 /crypto | |
| parent | a0fa2d037129a9849918a92d91b79ed6c7bd2818 (diff) | |
| download | lwn-a5596d6332787fd383b3b5427b41f94254430827.tar.gz lwn-a5596d6332787fd383b3b5427b41f94254430827.zip | |
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 <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/ahash.c | 5 | ||||
| -rw-r--r-- | crypto/shash.c | 4 |
2 files changed, 7 insertions, 2 deletions
diff --git a/crypto/ahash.c b/crypto/ahash.c index 9c1dc8d6106a..d19b52324cf5 100644 --- a/crypto/ahash.c +++ b/crypto/ahash.c @@ -451,6 +451,7 @@ static int crypto_ahash_init_tfm(struct crypto_tfm *tfm) struct ahash_alg *alg = crypto_ahash_alg(hash); hash->setkey = ahash_nosetkey; + hash->has_setkey = false; hash->export = ahash_no_export; hash->import = ahash_no_import; @@ -463,8 +464,10 @@ static int crypto_ahash_init_tfm(struct crypto_tfm *tfm) hash->finup = alg->finup ?: ahash_def_finup; hash->digest = alg->digest; - if (alg->setkey) + if (alg->setkey) { hash->setkey = alg->setkey; + hash->has_setkey = true; + } if (alg->export) hash->export = alg->export; if (alg->import) diff --git a/crypto/shash.c b/crypto/shash.c index ecb1e3d39bf0..88a27de79848 100644 --- a/crypto/shash.c +++ b/crypto/shash.c @@ -355,8 +355,10 @@ int crypto_init_shash_ops_async(struct crypto_tfm *tfm) crt->finup = shash_async_finup; crt->digest = shash_async_digest; - if (alg->setkey) + if (alg->setkey) { crt->setkey = shash_async_setkey; + crt->has_setkey = true; + } if (alg->export) crt->export = shash_async_export; if (alg->import) |