Add additional debug message to show contents of authentication reply message

Author: KostasTsiounis

src/java.security.jgss/share/classes/sun/security/krb5/internal/KDCRep.java

@@ -136,6 +136,23 @@ protected void init(DerValue encoding, int req_type)
                         "encoding tag is " +
                         encoding.getTag() +
                         " req type is " + req_type);
+
+                System.out.println(">>> KDCRep: Message in bytes is =>");
+                byte[] dataBytes = encoding.getDataBytes();
+                StringBuilder sb = new StringBuilder();
+                for (int i = 0; i < dataBytes.length; i++) {
+                    if ((i % 16) == 0) {
+                        sb.append(String.format("%06X", i));
+                    }
+                    sb.append(String.format(" %02X", dataBytes[i] & 0xFF));
+                    if ((i % 16) == 15) {
+                        System.out.println(sb.toString());
+                        sb.setLength(0);
+                    }
+                }
+                if (sb.length() > 0) {
+                    System.out.println(sb.toString());
+                }
             }
             throw new Asn1Exception(Krb5.ASN1_BAD_ID);
         }