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authorVladimir Ratnikov <vratnikov@netgate.com>2019-05-17 09:17:59 -0400
committerNeale Ranns <nranns@cisco.com>2019-05-20 16:59:53 +0000
commitf48050785f254afb7515383e8595425fa652e056 (patch)
tree5a22f4f7859b00d4cd6e635b58b1683f5a1c9968 /src/plugins/crypto_openssl
parentd1a5b2dcfa237c3346bd8d759c8f21f4002be9eb (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/crypto_openssl')
-rw-r--r--src/plugins/crypto_openssl/main.c8
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);