diff options
| author |   Neale Ranns <nranns@cisco.com> | 2019-04-11 15:14:07 +0000 |
|---|---|---|
| committer | Neale Ranns <nranns@cisco.com> | 2019-04-17 00:12:05 +0000 |
| commit | 32b13bba2e3013a1b2a67eca8fe6a177d8e927ed (patch) | |
| tree | 97dbae11a361e7537be09329c80ae7c3a3acb799 /src/plugins/crypto_openssl/main.c | |
| parent | 07a4d675c8d1b1bc19fa1846369f610ab91a9aba (diff) | |
IPSEC: support GCM in ESP
Change-Id: Id2ddb77b4ec3dd543d6e638bc882923f2bac011d
Signed-off-by: Neale Ranns <nranns@cisco.com>
(cherry picked from commit 47feb1146ec3b0e1cf2ebd83cd5211e1df261194)
Diffstat (limited to 'src/plugins/crypto_openssl/main.c')
| -rw-r--r-- | src/plugins/crypto_openssl/main.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/plugins/crypto_openssl/main.c b/src/plugins/crypto_openssl/main.c index 0c8c17dc423..c97710ddbcb 100644 --- a/src/plugins/crypto_openssl/main.c +++ b/src/plugins/crypto_openssl/main.c @@ -112,14 +112,18 @@ 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); |