diff -r 41a5b2de5ad3 -r 45511dcfed3f src/java.security.jgss/share/classes/sun/security/jgss/krb5/Krb5InitCredential.java
--- a/src/java.security.jgss/share/classes/sun/security/jgss/krb5/Krb5InitCredential.java	Mon Jun 25 10:54:55 2018 +0200
+++ b/src/java.security.jgss/share/classes/sun/security/jgss/krb5/Krb5InitCredential.java	Tue Mar 20 11:16:10 2018 +0530
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -234,14 +234,12 @@
      * @exception GSSException may be thrown
      */
     public int getInitLifetime() throws GSSException {
-        int retVal = 0;
         Date d = getEndTime();
         if (d == null) {
             return 0;
         }
-        retVal = (int)(d.getTime() - (new Date().getTime()));
-
-        return retVal/1000;
+        long retVal = d.getTime() - System.currentTimeMillis();
+        return (int)(retVal/1000);
     }
 
     /**