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| author | James Morris <james.l.morris@oracle.com> | 2017-09-24 22:41:55 -0700 |
|---|---|---|
| committer | James Morris <james.l.morris@oracle.com> | 2017-09-24 22:41:55 -0700 |
| commit | fe6ec4634c4b41ea65f055ea709a6f3d5bf67bec (patch) | |
| tree | 9ba289bdd8831b061743a8d48b13e6128306b8f1 /crypto/authencesn.c | |
| parent | f960b5ebd9ed09bc12e10c712bce82ab58ef0435 (diff) | |
| parent | 508f8d23a372beae647185ce896a0c1109406b83 (diff) | |
| download | linux-crypto-fe6ec4634c4b41ea65f055ea709a6f3d5bf67bec.tar.gz linux-crypto-fe6ec4634c4b41ea65f055ea709a6f3d5bf67bec.zip | |
Merge tag 'v4.14-rc2' into next-general
Linux 4.14-rc2
Sync to v4.14-rc2 for security subsystem developers to track.
Diffstat (limited to 'crypto/authencesn.c')
| -rw-r--r-- | crypto/authencesn.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/crypto/authencesn.c b/crypto/authencesn.c index 6f8f6b86..0cf5fefd 100644 --- a/crypto/authencesn.c +++ b/crypto/authencesn.c @@ -248,6 +248,9 @@ static int crypto_authenc_esn_decrypt_tail(struct aead_request *req, u8 *ihash = ohash + crypto_ahash_digestsize(auth); u32 tmp[2]; + if (!authsize) + goto decrypt; + /* Move high-order bits of sequence number back. */ scatterwalk_map_and_copy(tmp, dst, 4, 4, 0); scatterwalk_map_and_copy(tmp + 1, dst, assoclen + cryptlen, 4, 0); @@ -256,6 +259,8 @@ static int crypto_authenc_esn_decrypt_tail(struct aead_request *req, if (crypto_memneq(ihash, ohash, authsize)) return -EBADMSG; +decrypt: + sg_init_table(areq_ctx->dst, 2); dst = scatterwalk_ffwd(areq_ctx->dst, dst, assoclen); |