diff options
| author |   Neale Ranns <nranns@cisco.com> | 2019-04-11 15:14:07 +0000 |
|---|---|---|
| committer |   Damjan Marion <dmarion@me.com> | 2019-04-16 15:54:31 +0000 |
| commit | 47feb1146ec3b0e1cf2ebd83cd5211e1df261194 (patch) | |
| tree | 602218094ef655d3c430ba29762ebf64d59f15d7 /src/vnet/ipsec/esp_encrypt.c | |
| parent | 3cf215aab7237d44cf153b43d80a971be9300626 (diff) | |
IPSEC: support GCM in ESP
Change-Id: Id2ddb77b4ec3dd543d6e638bc882923f2bac011d
Signed-off-by: Neale Ranns <nranns@cisco.com>
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) |