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      1 /*
      2  *  Licensed to the Apache Software Foundation (ASF) under one or more
      3  *  contributor license agreements.  See the NOTICE file distributed with
      4  *  this work for additional information regarding copyright ownership.
      5  *  The ASF licenses this file to You under the Apache License, Version 2.0
      6  *  (the "License"); you may not use this file except in compliance with
      7  *  the License.  You may obtain a copy of the License at
      8  *
      9  *     http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  *  Unless required by applicable law or agreed to in writing, software
     12  *  distributed under the License is distributed on an "AS IS" BASIS,
     13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  *  See the License for the specific language governing permissions and
     15  *  limitations under the License.
     16  */
     17 
     18 package javax.crypto.interfaces;
     19 
     20 import javax.crypto.SecretKey;
     21 
     22 /**
     23  * The interface to a <i>password-based-encryption</i>  key.
     24  */
     25 public interface PBEKey extends SecretKey {
     26 
     27     /**
     28      * The serial version identifier.
     29      */
     30     public static final long serialVersionUID = -1430015993304333921L;
     31 
     32     /**
     33      * Returns the iteration count, 0 if not specified.
     34      *
     35      * @return the iteration count, 0 if not specified.
     36      */
     37     public int getIterationCount();
     38 
     39     /**
     40      * Returns a copy of the salt data or null if not specified.
     41      *
     42      * @return a copy of the salt data or null if not specified.
     43      */
     44     public byte[] getSalt();
     45 
     46     /**
     47      * Returns a copy to the password.
     48      *
     49      * @return a copy to the password.
     50      */
     51     public char[] getPassword();
     52 
     53 }