001package org.apache.archiva.redback.integration.filter.authentication.digest; 002 003/* 004 * Licensed to the Apache Software Foundation (ASF) under one 005 * or more contributor license agreements. See the NOTICE file 006 * distributed with this work for additional information 007 * regarding copyright ownership. The ASF licenses this file 008 * to you under the Apache License, Version 2.0 (the 009 * "License"); you may not use this file except in compliance 010 * with the License. You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, 015 * software distributed under the License is distributed on an 016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 017 * KIND, either express or implied. See the License for the 018 * specific language governing permissions and limitations 019 * under the License. 020 */ 021 022import java.security.MessageDigest; 023import java.security.NoSuchAlgorithmException; 024 025/** 026 * Digest 027 * 028 * @author <a href="mailto:joakim@erdfelt.com">Joakim Erdfelt</a> 029 * 030 */ 031public class Digest 032{ 033 public static String md5Hex( String data ) 034 { 035 MessageDigest digest = getDigest( "MD5" ); 036 return Hex.encode( digest.digest( data.getBytes() ) ); 037 } 038 039 public static MessageDigest getDigest( String algorithm ) 040 { 041 try 042 { 043 return MessageDigest.getInstance( algorithm ); 044 } 045 catch ( NoSuchAlgorithmException e ) 046 { 047 throw new RuntimeException( "Error initializing MessageDigest: " + e.getMessage(), e ); 048 } 049 } 050}