add:Keychain

src/main/java/packet/CPacket.java

@@ -34,7 +34,7 @@ import encoding.*;
 //             }
 //
 public class CPacket implements InteractWithField, IEncodingAble {
-    private MINPacket minPacket=new MINPacket();
+    public MINPacket minPacket=new MINPacket();
     public TTL ttl=new TTL();
     public Payload payload=new Payload();
     public Identifier srcIdentifier=new Identifier();