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| author |   Herbert Xu <herbert@gondor.apana.org.au> | 2007-12-04 20:07:27 +1100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2008-01-11 08:16:32 +1100 |
| commit | fe70f5dfe1a7b5caab96531089dac3d8728c0ebd (patch) | |
| tree | 8528d52f86d8c37a431e09b423f0a4ecaad4e6e3 | |
| parent | [CRYPTO] gcm: Fix ICV handling (diff) | |
| download | linux-dev-fe70f5dfe1a7b5caab96531089dac3d8728c0ebd.tar.xz linux-dev-fe70f5dfe1a7b5caab96531089dac3d8728c0ebd.zip | |
[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>
| -rw-r--r-- | crypto/authenc.c | 2 | ||||
| -rw-r--r-- | crypto/gcm.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/crypto/authenc.c b/crypto/authenc.c index 82e03ffa6245..6c9104ebf2f4 100644 --- a/crypto/authenc.c +++ b/crypto/authenc.c @@ -200,7 +200,7 @@ auth_unlock: authsize = crypto_aead_authsize(authenc); scatterwalk_map_and_copy(ihash, src, cryptlen, authsize, 0); - return memcmp(ihash, ohash, authsize) ? -EINVAL : 0; + return memcmp(ihash, ohash, authsize) ? -EBADMSG: 0; } static void crypto_authenc_decrypt_done(struct crypto_async_request *req, 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); } |