diff options
| author |   Vladimir Ratnikov <vratnikov@netgate.com> | 2019-05-17 09:17:59 -0400 |
|---|---|---|
| committer |   Neale Ranns <nranns@cisco.com> | 2019-05-20 16:59:53 +0000 |
| commit | f48050785f254afb7515383e8595425fa652e056 (patch) | |
| tree | 5a22f4f7859b00d4cd6e635b58b1683f5a1c9968 /src/plugins | |
| parent | d1a5b2dcfa237c3346bd8d759c8f21f4002be9eb (diff) | |
openssl plugin 3des routine iv_len fix
Since 3DES has 8 bytes of initialization vector and
code contains hardcode for 16 bytes, check added to
determine if crypto algorythm is 3DES_CBC and set
corresponding iv_len param
Change-Id: Iac50c8a8241e321e3b4d576c88f2496852bd905c
Signed-off-by: Vladimir Ratnikov <vratnikov@netgate.com>
Diffstat (limited to 'src/plugins')
| -rw-r--r-- | src/plugins/crypto_openssl/main.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/plugins/crypto_openssl/main.c b/src/plugins/crypto_openssl/main.c index 2132c5bb15a..fd749d04926 100644 --- a/src/plugins/crypto_openssl/main.c +++ b/src/plugins/crypto_openssl/main.c @@ -70,9 +70,15 @@ openssl_ops_enc_cbc (vlib_main_t * vm, vnet_crypto_op_t * ops[], u32 n_ops, vnet_crypto_op_t *op = ops[i]; vnet_crypto_key_t *key = vnet_crypto_get_key (op->key_index); int out_len; + int iv_len; + + if (op->op == VNET_CRYPTO_OP_3DES_CBC_ENC) + iv_len = 8; + else + iv_len = 16; if (op->flags & VNET_CRYPTO_OP_FLAG_INIT_IV) - RAND_bytes (op->iv, 16); + RAND_bytes (op->iv, iv_len); EVP_EncryptInit_ex (ctx, cipher, NULL, key->data, op->iv); EVP_EncryptUpdate (ctx, op->dst, &out_len, op->src, op->len); |