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path: root/src/vnet/ipsec/esp_decrypt.c
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Diffstat (limited to 'src/vnet/ipsec/esp_decrypt.c')
-rw-r--r--src/vnet/ipsec/esp_decrypt.c24
1 files changed, 8 insertions, 16 deletions
diff --git a/src/vnet/ipsec/esp_decrypt.c b/src/vnet/ipsec/esp_decrypt.c
index 1ee7ce8fd0a..7860ca33d18 100644
--- a/src/vnet/ipsec/esp_decrypt.c
+++ b/src/vnet/ipsec/esp_decrypt.c
@@ -82,21 +82,16 @@ format_esp_decrypt_trace (u8 * s, va_list * args)
}
always_inline void
-esp_decrypt_cbc (vlib_main_t * vm, ipsec_crypto_alg_t alg,
+esp_decrypt_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->dec_op_type == VNET_CRYPTO_OP_NONE))
+ if (PREDICT_FALSE (sa->crypto_dec_op_type == VNET_CRYPTO_OP_NONE))
return;
- op->op = a->dec_op_type;
+ op->op = sa->crypto_dec_op_type;
op->iv = iv;
op->src = in;
op->dst = out;
@@ -181,15 +176,13 @@ esp_decrypt_inline (vlib_main_t * vm,
if (PREDICT_TRUE (sa0->integ_alg != IPSEC_INTEG_ALG_NONE))
{
u8 sig[64];
- int icv_size = im->integ_algs[sa0->integ_alg].trunc_size;
+ int icv_size = sa0->integ_trunc_size;
clib_memset (sig, 0, sizeof (sig));
u8 *icv = vlib_buffer_get_current (ib[0]) + ib[0]->current_length -
icv_size;
ib[0]->current_length -= icv_size;
- hmac_calc (vm, sa0->integ_alg, sa0->integ_key.data,
- sa0->integ_key.len, (u8 *) esp0,
- ib[0]->current_length, sig, sa0->use_esn, sa0->seq_hi);
+ hmac_calc (vm, sa0, (u8 *) esp0, ib[0]->current_length, sig);
if (PREDICT_FALSE (memcmp (icv, sig, icv_size)))
{
@@ -217,8 +210,8 @@ esp_decrypt_inline (vlib_main_t * vm,
(sa0->crypto_alg >= IPSEC_CRYPTO_ALG_DES_CBC &&
sa0->crypto_alg <= IPSEC_CRYPTO_ALG_3DES_CBC))
{
- 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_block_size;
esp_footer_t *f0;
u8 ip_hdr_size = 0;
@@ -251,8 +244,7 @@ esp_decrypt_inline (vlib_main_t * vm,
}
}
- esp_decrypt_cbc (vm, sa0->crypto_alg,
- esp0->data + IV_SIZE,
+ esp_decrypt_cbc (vm, sa0, esp0->data + IV_SIZE,
(u8 *) vlib_buffer_get_current (ob[0]) +
ip_hdr_size, BLOCK_SIZE * blocks,
sa0->crypto_key.data, esp0->data);