View Javadoc
1   /**
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements. See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership. The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License. You may obtain a copy of the License at
9    *
10   * http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied. See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  
20  package org.apache.wss4j.common.crypto;
21  
22  
23  /**
24   * This interface describes a way to encrypt and decrypt passwords. It allows a way to store
25   * encrypted keystore passwords in Merlin Crypto properties file, that can be decrypted before
26   * loading the keystore, etc.
27   */
28  public interface PasswordEncryptor {
29  
30      /**
31       * Encrypt the given password
32       * @param password the password to be encrypted
33       * @return the encrypted password
34       */
35      String encrypt(String password);
36  
37      /**
38       * Decrypt the given encrypted password
39       * @param encryptedPassword the encrypted password to decrypt
40       * @return the decrypted password
41       */
42      String decrypt(String encryptedPassword);
43  
44  }