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crypto: skcipher - Add crypto_skcipher_has_setkey

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commit a1383cd86a062fc798899ab20f0ec2116cce39cb upstream.

This patch adds a way for skcipher users to determine whether a key
is required by a transform.

Cc: stable@vger.kernel.org
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Signed-off-by: Willy Tarreau <w@1wt.eu>
This commit is contained in:
Herbert Xu
2016-10-27 17:29:40 +03:00
committed by Willy Tarreau
parent 855297521e
commit 16d4044862
3 changed files with 11 additions and 0 deletions
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crypto/ablkcipher.c
+2
View File
@@ -379,6 +379,7 @@ static int crypto_init_ablkcipher_ops(struct crypto_tfm *tfm, u32 type,
}
crt->base = __crypto_ablkcipher_cast(tfm);
crt->ivsize = alg->ivsize;
crt->has_setkey = alg->max_keysize;
return 0;
}
@@ -460,6 +461,7 @@ static int crypto_init_givcipher_ops(struct crypto_tfm *tfm, u32 type,
crt->givdecrypt = alg->givdecrypt ?: no_givdecrypt;
crt->base = __crypto_ablkcipher_cast(tfm);
crt->ivsize = alg->ivsize;
crt->has_setkey = alg->max_keysize;
return 0;
}
crypto/blkcipher.c
+1
View File
@@ -458,6 +458,7 @@ static int crypto_init_blkcipher_ops_async(struct crypto_tfm *tfm)
}
crt->base = __crypto_ablkcipher_cast(tfm);
crt->ivsize = alg->ivsize;
crt->has_setkey = alg->max_keysize;
return 0;
}