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-rw-r--r--src/plugins/crypto_openssl/main.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/src/plugins/crypto_openssl/main.c b/src/plugins/crypto_openssl/main.c
index 5b661504b7d..ac586c2af77 100644
--- a/src/plugins/crypto_openssl/main.c
+++ b/src/plugins/crypto_openssl/main.c
@@ -115,14 +115,18 @@ openssl_ops_enc_gcm (vlib_main_t * vm, vnet_crypto_op_t * ops[], u32 n_ops,
for (i = 0; i < n_ops; i++)
{
vnet_crypto_op_t *op = ops[i];
+ u32 nonce[3];
int len;
if (op->flags & VNET_CRYPTO_OP_FLAG_INIT_IV)
RAND_bytes (op->iv, 8);
+ nonce[0] = op->salt;
+ clib_memcpy_fast (nonce + 1, op->iv, 8);
+
EVP_EncryptInit_ex (ctx, cipher, 0, 0, 0);
- EVP_CIPHER_CTX_ctrl (ctx, EVP_CTRL_GCM_SET_IVLEN, 8, NULL);
- EVP_EncryptInit_ex (ctx, 0, 0, op->key, op->iv);
+ EVP_CIPHER_CTX_ctrl (ctx, EVP_CTRL_GCM_SET_IVLEN, 12, NULL);
+ EVP_EncryptInit_ex (ctx, 0, 0, op->key, (u8 *) nonce);
if (op->aad_len)
EVP_EncryptUpdate (ctx, NULL, &len, op->aad, op->aad_len);
EVP_EncryptUpdate (ctx, op->dst, &len, op->src, op->len);