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authorHerbert Xu <herbert@gondor.apana.org.au>2007-12-04 20:07:27 +1100
committerHerbert Xu <herbert@gondor.apana.org.au>2008-01-11 08:16:32 +1100
commitfe70f5dfe1a7b5caab96531089dac3d8728c0ebd (patch)
tree8528d52f86d8c37a431e09b423f0a4ecaad4e6e3 /crypto/gcm.c
parent6160b289929c0b622e64aa36106d8e6e53fcd826 (diff)
downloadlinux-fe70f5dfe1a7b5caab96531089dac3d8728c0ebd.tar.gz
[CRYPTO] aead: Return EBADMSG for ICV mismatch
This patch changes gcm/authenc to return EBADMSG instead of EINVAL for ICV mismatches. This convention has already been adopted by IPsec. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/gcm.c')
-rw-r--r--crypto/gcm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/gcm.c b/crypto/gcm.c
index ed8a6261b346..d60c340b0b9d 100644
--- a/crypto/gcm.c
+++ b/crypto/gcm.c
@@ -327,7 +327,7 @@ static int crypto_gcm_decrypt(struct aead_request *req)
scatterwalk_map_and_copy(iauth_tag, req->src, cryptlen, authsize, 0);
if (memcmp(iauth_tag, auth_tag, authsize))
- return -EINVAL;
+ return -EBADMSG;
return crypto_ablkcipher_decrypt(&abreq);
}