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authorHerbert Xu <herbert@gondor.apana.org.au>2016-01-11 21:26:50 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2016-01-18 18:16:12 +0800
commita1383cd86a062fc798899ab20f0ec2116cce39cb (patch)
tree711b5f639bccdbc457c5463ac209f0337dba82b8 /crypto/skcipher.c
parent6de62f15b581f920ade22d758f4c338311c2f0d4 (diff)
downloadlinux-a1383cd86a062fc798899ab20f0ec2116cce39cb.tar.bz2
crypto: skcipher - Add crypto_skcipher_has_setkey
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>
Diffstat (limited to 'crypto/skcipher.c')
-rw-r--r--crypto/skcipher.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/crypto/skcipher.c b/crypto/skcipher.c
index 7591928be7ca..d199c0b1751c 100644
--- a/crypto/skcipher.c
+++ b/crypto/skcipher.c
@@ -118,6 +118,7 @@ static int crypto_init_skcipher_ops_blkcipher(struct crypto_tfm *tfm)
skcipher->decrypt = skcipher_decrypt_blkcipher;
skcipher->ivsize = crypto_blkcipher_ivsize(blkcipher);
+ skcipher->has_setkey = calg->cra_blkcipher.max_keysize;
return 0;
}
@@ -210,6 +211,7 @@ static int crypto_init_skcipher_ops_ablkcipher(struct crypto_tfm *tfm)
skcipher->ivsize = crypto_ablkcipher_ivsize(ablkcipher);
skcipher->reqsize = crypto_ablkcipher_reqsize(ablkcipher) +
sizeof(struct ablkcipher_request);
+ skcipher->has_setkey = calg->cra_ablkcipher.max_keysize;
return 0;
}