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 package org.apache.commons.vfs2.util;
18
19 /**
20 * Encrypts and decrypts Strings.
21 *
22 * @since 2.0
23 */
24 public interface Cryptor {
25
26 /**
27 * Decrypts the password.
28 *
29 * @param encryptedKey the encrypted password.
30 * @return The plain text password.
31 * @throws Exception If an error occurs.
32 */
33 String decrypt(String encryptedKey) throws Exception;
34
35 /**
36 * Encrypt the plain text password.
37 *
38 * @param plainKey The password.
39 * @return The encrypted password String.
40 * @throws Exception If an error occurs.
41 */
42 String encrypt(String plainKey) throws Exception;
43 }