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 }