diff options
| author |   Neale Ranns <nranns@cisco.com> | 2019-04-11 08:18:34 +0000 |
|---|---|---|
| committer |   Damjan Marion <dmarion@me.com> | 2019-04-11 15:12:58 +0000 |
| commit | 21ada3bd7e9bc5cca7c2c8399adcbaa044bf8103 (patch) | |
| tree | 845b74dfee811bfe27f3feef6a608d349e99436d /src/vnet | |
| parent | 5e282e93ad9f961d332cac9a033be33542979848 (diff) | |
IPSEC-MB: Use random & non-repeating IV (VPP-1642)
hard code IV and key lengths based on cipher.
Init IV from random data, use AES instruction to rotate.
Change-Id: I13a6507d12267b823c528660a903787baeba47a0
Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'src/vnet')
| -rw-r--r-- | src/vnet/crypto/crypto.c | 7 | ||||
| -rw-r--r-- | src/vnet/ipsec/esp_decrypt.c | 4 | ||||
| -rw-r--r-- | src/vnet/ipsec/esp_encrypt.c | 2 |
3 files changed, 6 insertions, 7 deletions
diff --git a/src/vnet/crypto/crypto.c b/src/vnet/crypto/crypto.c index 58b13638924..dbdb58b16f6 100644 --- a/src/vnet/crypto/crypto.c +++ b/src/vnet/crypto/crypto.c @@ -119,8 +119,11 @@ vnet_crypto_set_handler (char *alg_name, char *engine) if (id == 0) continue; od = vec_elt_at_index (cm->opt_data, id); - od->active_engine_index = p[0]; - cm->ops_handlers[id] = ce->ops_handlers[id]; + if (ce->ops_handlers[id]) + { + od->active_engine_index = p[0]; + cm->ops_handlers[id] = ce->ops_handlers[id]; + } } return 0; diff --git a/src/vnet/ipsec/esp_decrypt.c b/src/vnet/ipsec/esp_decrypt.c index de951d1dc85..fc4a99a873d 100644 --- a/src/vnet/ipsec/esp_decrypt.c +++ b/src/vnet/ipsec/esp_decrypt.c @@ -232,9 +232,7 @@ esp_decrypt_inline (vlib_main_t * vm, vec_add2_aligned (ptd->crypto_ops, op, 1, CLIB_CACHE_LINE_BYTES); vnet_crypto_op_init (op, sa0->crypto_dec_op_id); op->key = sa0->crypto_key.data; - op->key_len = sa0->crypto_key.len; op->iv = payload; - op->iv_len = cpd.iv_sz; op->src = op->dst = payload += cpd.iv_sz; op->len = len; op->user_data = b - bufs; @@ -287,7 +285,7 @@ esp_decrypt_inline (vlib_main_t * vm, bi = op->user_data; if (op->status == VNET_CRYPTO_OP_STATUS_FAIL_BAD_HMAC) - err = ESP_DECRYPT_ERROR_INTEG_ERROR; + err = ESP_DECRYPT_ERROR_DECRYPTION_FAILED; else err = ESP_DECRYPT_ERROR_CRYPTO_ENGINE_ERROR; diff --git a/src/vnet/ipsec/esp_encrypt.c b/src/vnet/ipsec/esp_encrypt.c index c8018594bd1..bb1effda68b 100644 --- a/src/vnet/ipsec/esp_encrypt.c +++ b/src/vnet/ipsec/esp_encrypt.c @@ -431,10 +431,8 @@ esp_encrypt_inline (vlib_main_t * vm, vlib_node_runtime_t * node, vec_add2_aligned (ptd->crypto_ops, op, 1, CLIB_CACHE_LINE_BYTES); vnet_crypto_op_init (op, sa0->crypto_enc_op_id); op->iv = payload - iv_sz; - op->iv_len = iv_sz; op->src = op->dst = payload; op->key = sa0->crypto_key.data; - op->key_len = sa0->crypto_key.len; op->len = payload_len - icv_sz; op->flags = VNET_CRYPTO_OP_FLAG_INIT_IV; op->user_data = b - bufs; |