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path: root/src/vnet/ipsec/esp_encrypt.c
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Diffstat (limited to 'src/vnet/ipsec/esp_encrypt.c')
-rw-r--r--src/vnet/ipsec/esp_encrypt.c26
1 files changed, 9 insertions, 17 deletions
diff --git a/src/vnet/ipsec/esp_encrypt.c b/src/vnet/ipsec/esp_encrypt.c
index 37c2c953c87..1e29ee34f3b 100644
--- a/src/vnet/ipsec/esp_encrypt.c
+++ b/src/vnet/ipsec/esp_encrypt.c
@@ -87,21 +87,16 @@ format_esp_encrypt_trace (u8 * s, va_list * args)
}
always_inline void
-esp_encrypt_cbc (vlib_main_t * vm, ipsec_crypto_alg_t alg,
+esp_encrypt_cbc (vlib_main_t * vm, ipsec_sa_t * sa,
u8 * in, u8 * out, size_t in_len, u8 * key, u8 * iv)
{
- ipsec_main_t *im = &ipsec_main;
- ipsec_main_crypto_alg_t *a;
vnet_crypto_op_t _op, *op = &_op;
- ASSERT (alg < IPSEC_CRYPTO_N_ALG);
-
- a = &im->crypto_algs[alg];
- if (PREDICT_FALSE (a->enc_op_type == VNET_CRYPTO_OP_NONE))
+ if (PREDICT_FALSE (sa->crypto_enc_op_type == VNET_CRYPTO_OP_NONE))
return;
- op->op = a->enc_op_type;
+ op->op = sa->crypto_enc_op_type;
op->flags = VNET_CRYPTO_OP_FLAG_INIT_IV;
op->iv = iv;
op->src = in;
@@ -282,8 +277,8 @@ esp_encrypt_inline (vlib_main_t * vm,
if (PREDICT_TRUE (sa0->crypto_alg != IPSEC_CRYPTO_ALG_NONE))
{
- const int BLOCK_SIZE = im->crypto_algs[sa0->crypto_alg].block_size;
- const int IV_SIZE = im->crypto_algs[sa0->crypto_alg].iv_size;
+ const int BLOCK_SIZE = sa0->crypto_block_size;
+ const int IV_SIZE = sa0->crypto_iv_size;
int blocks = 1 + (ib[0]->current_length + 1) / BLOCK_SIZE;
/* pad packet in input buffer */
@@ -311,10 +306,9 @@ esp_encrypt_inline (vlib_main_t * vm,
clib_memcpy_fast ((u8 *) vlib_buffer_get_current (ob[0]) +
ip_udp_hdr_size + sizeof (esp_header_t), iv,
- im->crypto_algs[sa0->crypto_alg].iv_size);
+ IV_SIZE);
- esp_encrypt_cbc (vm, sa0->crypto_alg,
- (u8 *) vlib_buffer_get_current (ib[0]),
+ esp_encrypt_cbc (vm, sa0, (u8 *) vlib_buffer_get_current (ib[0]),
(u8 *) vlib_buffer_get_current (ob[0]) +
ip_udp_hdr_size + sizeof (esp_header_t) +
IV_SIZE, BLOCK_SIZE * blocks,
@@ -322,11 +316,9 @@ esp_encrypt_inline (vlib_main_t * vm,
}
ob[0]->current_length +=
- hmac_calc (vm, sa0->integ_alg, sa0->integ_key.data,
- sa0->integ_key.len, (u8 *) o_esp0,
+ hmac_calc (vm, sa0, (u8 *) o_esp0,
ob[0]->current_length - ip_udp_hdr_size,
- vlib_buffer_get_current (ob[0]) + ob[0]->current_length,
- sa0->use_esn, sa0->seq_hi);
+ vlib_buffer_get_current (ob[0]) + ob[0]->current_length);
if (is_ip6)