writting lpPacket...

src/main/java/security/KeyChain.java

@@ -2,8 +2,6 @@ package security;
 
 import minsecurity.identity.Identity;
 import minsecurity.identity.IdentityException;
-import org.checkerframework.checker.units.qual.K;
-
 /*
  * @Author: hongyu guo
  * @Description: 用于给网络包签名和验签
@@ -80,6 +78,7 @@ public class KeyChain {
         }
     }
 
+
     // TODO: packet类暂未完成
     // public void getIdentifierAndReadOnlyValueFromPacket(){
     //