diff options
| author |   Damjan Marion <damarion@cisco.com> | 2019-03-20 16:28:51 +0100 |
|---|---|---|
| committer |   Neale Ranns <nranns@cisco.com> | 2019-03-20 17:23:59 +0000 |
| commit | f2edfbd2122bbf746a8e91cb343331fb843ee5eb (patch) | |
| tree | c98d78cfcca24e7c725d062739b2d48e82951edb | |
| parent | c80cc9ab84d7d94c6043054726ce401cea998bab (diff) | |
crypto_openssl: call EVP_EncryptFinal_ex only if needed
Change-Id: I4dc6749a67c0726bae20b8204a5171676308b909
Signed-off-by: Damjan Marion <damarion@cisco.com>
| -rw-r--r-- | src/plugins/crypto_openssl/main.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/plugins/crypto_openssl/main.c b/src/plugins/crypto_openssl/main.c index b4679ee8915..09d726749e1 100644 --- a/src/plugins/crypto_openssl/main.c +++ b/src/plugins/crypto_openssl/main.c @@ -69,7 +69,8 @@ openssl_ops_enc_cbc (vlib_main_t * vm, vnet_crypto_op_t * ops[], u32 n_ops, EVP_EncryptInit_ex (ctx, cipher, NULL, op->key, op->iv); EVP_EncryptUpdate (ctx, op->dst, &out_len, op->src, op->len); - EVP_EncryptFinal_ex (ctx, op->dst + out_len, &out_len); + if (out_len < op->len) + EVP_EncryptFinal_ex (ctx, op->dst + out_len, &out_len); op->status = VNET_CRYPTO_OP_STATUS_COMPLETED; } return n_ops; @@ -90,7 +91,8 @@ openssl_ops_dec_cbc (vlib_main_t * vm, vnet_crypto_op_t * ops[], u32 n_ops, EVP_DecryptInit_ex (ctx, cipher, NULL, op->key, op->iv); EVP_DecryptUpdate (ctx, op->dst, &out_len, op->src, op->len); - EVP_DecryptFinal_ex (ctx, op->dst + out_len, &out_len); + if (out_len < op->len) + EVP_DecryptFinal_ex (ctx, op->dst + out_len, &out_len); op->status = VNET_CRYPTO_OP_STATUS_COMPLETED; } return n_ops; |