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authorHerbert Xu <herbert@gondor.apana.org.au>2009-08-13 09:10:39 -0400
committerHerbert Xu <herbert@gondor.apana.org.au>2009-08-13 09:10:39 -0400
commitaef27136b8b5e526f2e96ca1caa30a6d07e70f42 (patch)
tree3192bd703f2e4971318ac6a7eabb33007c1eac96 /crypto
parent73fec1209433d6b33924c1b06122ee217ce98931 (diff)
crypto: ctr - Use chainiv on raw counter mode
Raw counter mode only works with chainiv, which is no longer the default IV generator on SMP machines. This broke raw counter mode as it can no longer instantiate as a givcipher. This patch fixes it by always picking chainiv on raw counter mode. This is based on the diagnosis and a patch by Huang Ying. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto')
-rw-r--r--crypto/ctr.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/crypto/ctr.c b/crypto/ctr.c
index 2d7425f0e7b8..6c3bfabb9d1d 100644
--- a/crypto/ctr.c
+++ b/crypto/ctr.c
@@ -219,6 +219,8 @@ static struct crypto_instance *crypto_ctr_alloc(struct rtattr **tb)
219 inst->alg.cra_blkcipher.encrypt = crypto_ctr_crypt; 219 inst->alg.cra_blkcipher.encrypt = crypto_ctr_crypt;
220 inst->alg.cra_blkcipher.decrypt = crypto_ctr_crypt; 220 inst->alg.cra_blkcipher.decrypt = crypto_ctr_crypt;
221 221
222 inst->alg.cra_blkcipher.geniv = "chainiv";
223
222out: 224out:
223 crypto_mod_put(alg); 225 crypto_mod_put(alg);
224 return inst; 226 return inst;