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authorFilip Tehlar <ftehlar@cisco.com>2019-03-21 05:56:59 -0700
committerFlorin Coras <florin.coras@gmail.com>2019-04-02 15:55:24 +0000
commitc6c4394dbd4a128d07d0a0a72c4db7d132f4474e (patch)
treed119c3dd953cb6ff943883f0ed91b3bba1b7c750 /src/vnet/lisp-cp/control.c
parentf05e732e4af604d37de5b665436594e8e2eee45d (diff)
lisp: use crypto lib instead of openssl directly
Change-Id: I9667ed16939dede55b24959045737742d1c7c449 Signed-off-by: Filip Tehlar <ftehlar@cisco.com>
Diffstat (limited to 'src/vnet/lisp-cp/control.c')
-rw-r--r--src/vnet/lisp-cp/control.c68
1 files changed, 43 insertions, 25 deletions
diff --git a/src/vnet/lisp-cp/control.c b/src/vnet/lisp-cp/control.c
index 6369e4e82e3..bce44288d08 100644
--- a/src/vnet/lisp-cp/control.c
+++ b/src/vnet/lisp-cp/control.c
@@ -26,7 +26,7 @@
#include <vnet/ethernet/packet.h>
#include <openssl/evp.h>
-#include <openssl/hmac.h>
+#include <vnet/crypto/crypto.h>
#define MAX_VALUE_U24 0xffffff
@@ -76,22 +76,6 @@ auth_data_len_by_key_id (lisp_key_type_t key_id)
return (u16) ~ 0;
}
-static const EVP_MD *
-get_encrypt_fcn (lisp_key_type_t key_id)
-{
- switch (key_id)
- {
- case HMAC_SHA_1_96:
- return EVP_sha1 ();
- case HMAC_SHA_256_128:
- return EVP_sha256 ();
- default:
- clib_warning ("unsupported encryption key type: %d!", key_id);
- break;
- }
- return 0;
-}
-
static int
queue_map_request (gid_address_t * seid, gid_address_t * deid,
u8 smr_invoked, u8 is_resend);
@@ -2741,18 +2725,42 @@ build_map_register_record_list (lisp_cp_main_t * lcm)
return recs;
}
+static vnet_crypto_op_type_t
+lisp_key_type_to_crypto_op (lisp_key_type_t key_id)
+{
+ switch (key_id)
+ {
+ case HMAC_SHA_1_96:
+ return VNET_CRYPTO_OP_SHA1_HMAC;
+ case HMAC_SHA_256_128:
+ return VNET_CRYPTO_OP_SHA256_HMAC;
+ default:
+ clib_warning ("unsupported encryption key type: %d!", key_id);
+ break;
+ }
+ return VNET_CRYPTO_OP_NONE;
+}
+
static int
update_map_register_auth_data (map_register_hdr_t * map_reg_hdr,
lisp_key_type_t key_id, u8 * key,
u16 auth_data_len, u32 msg_len)
{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
MREG_KEY_ID (map_reg_hdr) = clib_host_to_net_u16 (key_id);
MREG_AUTH_DATA_LEN (map_reg_hdr) = clib_host_to_net_u16 (auth_data_len);
+ vnet_crypto_op_t _op, *op = &_op;
- unsigned char *result = HMAC (get_encrypt_fcn (key_id), key, vec_len (key),
- (unsigned char *) map_reg_hdr, msg_len, NULL,
- NULL);
- clib_memcpy (MREG_DATA (map_reg_hdr), result, auth_data_len);
+ vnet_crypto_op_init (op, lisp_key_type_to_crypto_op (key_id));
+ op->key = key;
+ op->key_len = vec_len (key);
+ op->len = msg_len;
+ op->dst = MREG_DATA (map_reg_hdr);
+ op->src = (u8 *) map_reg_hdr;
+ op->hmac_trunc_len = 0;
+ op->iv = 0;
+
+ vnet_crypto_process_ops (lcm->vlib_main, op, 1);
return 0;
}
@@ -3913,9 +3921,12 @@ static int
is_auth_data_valid (map_notify_hdr_t * h, u32 msg_len,
lisp_key_type_t key_id, u8 * key)
{
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
u8 *auth_data = 0;
u16 auth_data_len;
int result;
+ vnet_crypto_op_t _op, *op = &_op;
+ u8 out[EVP_MAX_MD_SIZE] = { 0, };
auth_data_len = auth_data_len_by_key_id (key_id);
if ((u16) ~ 0 == auth_data_len)
@@ -3931,11 +3942,18 @@ is_auth_data_valid (map_notify_hdr_t * h, u32 msg_len,
/* clear auth data */
clib_memset (MNOTIFY_DATA (h), 0, auth_data_len);
- /* get hash of the message */
- unsigned char *code = HMAC (get_encrypt_fcn (key_id), key, vec_len (key),
- (unsigned char *) h, msg_len, NULL, NULL);
+ vnet_crypto_op_init (op, lisp_key_type_to_crypto_op (key_id));
+ op->key = key;
+ op->key_len = vec_len (key);
+ op->len = msg_len;
+ op->dst = out;
+ op->src = (u8 *) h;
+ op->hmac_trunc_len = 0;
+ op->iv = 0;
+
+ vnet_crypto_process_ops (lcm->vlib_main, op, 1);
- result = memcmp (code, auth_data, auth_data_len);
+ result = memcmp (out, auth_data, auth_data_len);
vec_free (auth_data);