Use IANA-assigned TLV numbers.
@@ -35,10 +35,10 @@ THE SOFTWARE.
#define MESSAGE_REQUEST 9
#define MESSAGE_MH_REQUEST 10
-#define MESSAGE_CRYPTO_SEQNO 121
-#define MESSAGE_HMAC 122
-#define MESSAGE_CHALLENGE_REQUEST 123
-#define MESSAGE_CHALLENGE_RESPONSE 124
+#define MESSAGE_HMAC 16
+#define MESSAGE_CRYPTO_SEQNO 17
+#define MESSAGE_CHALLENGE_REQUEST 18
+#define MESSAGE_CHALLENGE_RESPONSE 19
/* Protocol extension through sub-TLVs. */
#define SUBTLV_PAD1 0
