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/vnet/ipsec/esp_encrypt.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/vnet/ipsec/esp_encrypt.c')
| -rw-r--r-- | src/vnet/ipsec/esp_encrypt.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/vnet/ipsec/esp_encrypt.c b/src/vnet/ipsec/esp_encrypt.c index fbc5166b946..e319a9628f4 100644 --- a/src/vnet/ipsec/esp_encrypt.c +++ b/src/vnet/ipsec/esp_encrypt.c @@ -436,6 +436,21 @@ esp_encrypt_inline (vlib_main_t * vm, vlib_node_runtime_t * node, op->len = payload_len - icv_sz; op->flags = VNET_CRYPTO_OP_FLAG_INIT_IV; op->user_data = b - bufs; + op->salt = sa0->salt; + + if (ipsec_sa_is_set_IS_AEAD (sa0)) + { + /* + * construct the AAD in a scratch space in front + * of the IP header. + */ + op->aad = payload - hdr_len - sizeof (esp_aead_t); + + esp_aad_fill (op, esp, sa0); + + op->tag = payload + op->len; + op->tag_len = 16; + } } if (sa0->integ_op_id) |