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();

src/main/java/packet/Data.java

@@ -33,7 +33,7 @@ import encoding.*;
 //             }
 //
 public class Data implements IEncodingAble, InteractWithField {
-    private MINPacket minPacket=new MINPacket();
+    public MINPacket minPacket=new MINPacket();
     public FreshnessPeriod freshnessPeriod=new FreshnessPeriod();
     public Payload payload=new Payload();
     public CongestionMark congestionMark=new CongestionMark();

src/main/java/packet/Interest.java

@@ -37,7 +37,7 @@ import encoding.*;
 //             }
 //
 public class Interest implements InteractWithField, IEncodingAble {
-    private MINPacket minPacket=new MINPacket();
+    public MINPacket minPacket=new MINPacket();
     public CanBePrefix canBePrefix=new CanBePrefix();
     public MustBeRefresh mustBeRefresh=new MustBeRefresh();
     public InterestLifeTime interestLifeTime=new InterestLifeTime();