diff options
| author | Mark Brown <broonie@linaro.org> | 2013-12-30 12:38:53 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-12-30 12:38:53 +0000 |
| commit | 34f653345018c42cedea89b7f6a4aba3783ebd7b (patch) | |
| tree | 663f490f3e16571516dbcce7a2cb2f2545f79dee /crypto/ccm.c | |
| parent | 3b58ee13da7510115b66f71c67c9e87b47e9c4aa (diff) | |
| parent | 319e2e3f63c348a9b66db4667efa73178e18b17d (diff) | |
Merge tag 'v3.13-rc4' into regmap-core
Needed as a subsequent patch is built on some of the fixes.
Linux 3.13-rc4
Diffstat (limited to 'crypto/ccm.c')
| -rw-r--r-- | crypto/ccm.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/crypto/ccm.c b/crypto/ccm.c index 499c91717d93..1df84217f7c9 100644 --- a/crypto/ccm.c +++ b/crypto/ccm.c @@ -271,7 +271,8 @@ static int crypto_ccm_auth(struct aead_request *req, struct scatterlist *plain, } /* compute plaintext into mac */ - get_data_to_compute(cipher, pctx, plain, cryptlen); + if (cryptlen) + get_data_to_compute(cipher, pctx, plain, cryptlen); out: return err; @@ -363,7 +364,7 @@ static void crypto_ccm_decrypt_done(struct crypto_async_request *areq, if (!err) { err = crypto_ccm_auth(req, req->dst, cryptlen); - if (!err && memcmp(pctx->auth_tag, pctx->odata, authsize)) + if (!err && crypto_memneq(pctx->auth_tag, pctx->odata, authsize)) err = -EBADMSG; } aead_request_complete(req, err); @@ -422,7 +423,7 @@ static int crypto_ccm_decrypt(struct aead_request *req) return err; /* verify */ - if (memcmp(authtag, odata, authsize)) + if (crypto_memneq(authtag, odata, authsize)) return -EBADMSG; return err; |