remove old hmac function. superceded by ix_psk0

handshake_ix.go

@@ -41,13 +41,13 @@ func ixHandshakeStage0(f *Interface, vpnIp uint32, hostinfo *HostInfo) {
 		Cert:           ci.certState.rawCertificateNoKey,
 	}
 
+	hsBytes := []byte{}
+
 	hs := &NebulaHandshake{
 		Details: hsProto,
-		Hmac:    nil,
 	}
+	hsBytes, err = proto.Marshal(hs)
 
-	hsBytes, err := proto.Marshal(hs)
-	//hsBytes, err := HandshakeBytesWithMAC(hsProto, f.handshakeMACKey)
 	if err != nil {
 		l.WithError(err).WithField("vpnIp", IntIp(vpnIp)).
 			WithField("handshake", m{"stage": 0, "style": "ix_psk0"}).Error("Failed to marshal handshake message")
@@ -151,7 +151,6 @@ func ixHandshakeStage1(f *Interface, addr *udpAddr, hostinfo *HostInfo, packet [
 		hostinfo.remoteIndexId = hs.Details.InitiatorIndex
 		hs.Details.ResponderIndex = myIndex
 		hs.Details.Cert = ci.certState.rawCertificateNoKey
-		hs.Hmac = nil
 
 		hsBytes, err := proto.Marshal(hs)
 		if err != nil {