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 org.apache.commons.codec.digest;
19
20 import java.security.MessageDigest;
21
22 /**
23 * Standard {@link MessageDigest} algorithm names from the <cite>Java Cryptography Architecture Standard Algorithm Name
24 * Documentation</cite>.
25 * <p>
26 * This class is immutable and thread-safe.
27 * </p>
28 * TODO This should be an enum.
29 *
30 * @see <a href="http://docs.oracle.com/javase/6/docs/technotes/guides/security/StandardNames.html">Java Cryptography
31 * Architecture Standard Algorithm Name Documentation</a>
32 * @since 1.7
33 * @version $Id: MessageDigestAlgorithms.html 928559 2014-11-10 02:53:54Z ggregory $
34 */
35 public class MessageDigestAlgorithms {
36
37 private MessageDigestAlgorithms() {
38 // cannot be instantiated.
39 }
40
41 /**
42 * The MD2 message digest algorithm defined in RFC 1319.
43 */
44 public static final String MD2 = "MD2";
45
46 /**
47 * The MD5 message digest algorithm defined in RFC 1321.
48 */
49 public static final String MD5 = "MD5";
50
51 /**
52 * The SHA-1 hash algorithm defined in the FIPS PUB 180-2.
53 */
54 public static final String SHA_1 = "SHA-1";
55
56 /**
57 * The SHA-256 hash algorithm defined in the FIPS PUB 180-2.
58 */
59 public static final String SHA_256 = "SHA-256";
60
61 /**
62 * The SHA-384 hash algorithm defined in the FIPS PUB 180-2.
63 */
64 public static final String SHA_384 = "SHA-384";
65
66 /**
67 * The SHA-512 hash algorithm defined in the FIPS PUB 180-2.
68 */
69 public static final String SHA_512 = "SHA-512";
70
71 }