| <!DOCTYPE HTML> |
| <html lang="de"> |
| <head> |
| <title>Source code</title> |
| <link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style"> |
| </head> |
| <body> |
| <main role="main"> |
| <div class="sourceContainer"> |
| <pre><span class="sourceLineNo">001</span><a id="line.1">package org.apache.fulcrum.crypto.provider;</a> |
| <span class="sourceLineNo">002</span><a id="line.2"></a> |
| <span class="sourceLineNo">003</span><a id="line.3">/*</a> |
| <span class="sourceLineNo">004</span><a id="line.4"> * Licensed to the Apache Software Foundation (ASF) under one</a> |
| <span class="sourceLineNo">005</span><a id="line.5"> * or more contributor license agreements. See the NOTICE file</a> |
| <span class="sourceLineNo">006</span><a id="line.6"> * distributed with this work for additional information</a> |
| <span class="sourceLineNo">007</span><a id="line.7"> * regarding copyright ownership. The ASF licenses this file</a> |
| <span class="sourceLineNo">008</span><a id="line.8"> * to you under the Apache License, Version 2.0 (the</a> |
| <span class="sourceLineNo">009</span><a id="line.9"> * "License"); you may not use this file except in compliance</a> |
| <span class="sourceLineNo">010</span><a id="line.10"> * with the License. You may obtain a copy of the License at</a> |
| <span class="sourceLineNo">011</span><a id="line.11"> *</a> |
| <span class="sourceLineNo">012</span><a id="line.12"> * http://www.apache.org/licenses/LICENSE-2.0</a> |
| <span class="sourceLineNo">013</span><a id="line.13"> *</a> |
| <span class="sourceLineNo">014</span><a id="line.14"> * Unless required by applicable law or agreed to in writing,</a> |
| <span class="sourceLineNo">015</span><a id="line.15"> * software distributed under the License is distributed on an</a> |
| <span class="sourceLineNo">016</span><a id="line.16"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</a> |
| <span class="sourceLineNo">017</span><a id="line.17"> * KIND, either express or implied. See the License for the</a> |
| <span class="sourceLineNo">018</span><a id="line.18"> * specific language governing permissions and limitations</a> |
| <span class="sourceLineNo">019</span><a id="line.19"> * under the License.</a> |
| <span class="sourceLineNo">020</span><a id="line.20"> */</a> |
| <span class="sourceLineNo">021</span><a id="line.21"></a> |
| <span class="sourceLineNo">022</span><a id="line.22">import java.security.MessageDigest;</a> |
| <span class="sourceLineNo">023</span><a id="line.23"></a> |
| <span class="sourceLineNo">024</span><a id="line.24">import org.apache.commons.codec.binary.Base64;</a> |
| <span class="sourceLineNo">025</span><a id="line.25">import org.apache.fulcrum.crypto.CryptoAlgorithm;</a> |
| <span class="sourceLineNo">026</span><a id="line.26"></a> |
| <span class="sourceLineNo">027</span><a id="line.27">/**</a> |
| <span class="sourceLineNo">028</span><a id="line.28"> * This is the Message Digest Implementation of Turbine 2.1. It does not pad the</a> |
| <span class="sourceLineNo">029</span><a id="line.29"> * Base64 encryption of the Message Digests correctly but truncates after 20</a> |
| <span class="sourceLineNo">030</span><a id="line.30"> * chars. This leads to interoperability problems if you want to use e.g.</a> |
| <span class="sourceLineNo">031</span><a id="line.31"> * database columns between two languages.</a> |
| <span class="sourceLineNo">032</span><a id="line.32"> *</a> |
| <span class="sourceLineNo">033</span><a id="line.33"> * If you upgrade an application from Turbine 2.1 and have already used the</a> |
| <span class="sourceLineNo">034</span><a id="line.34"> * Security Service with encrypted passwords and no way to rebuild your</a> |
| <span class="sourceLineNo">035</span><a id="line.35"> * databases, use this provider. It is bug-compatible.</a> |
| <span class="sourceLineNo">036</span><a id="line.36"> *</a> |
| <span class="sourceLineNo">037</span><a id="line.37"> * DO NOT USE THIS PROVIDER FOR ANY NEW APPLICATION!</a> |
| <span class="sourceLineNo">038</span><a id="line.38"> *</a> |
| <span class="sourceLineNo">039</span><a id="line.39"> * Nevertheless it can be used as the default crypto algorithm .</a> |
| <span class="sourceLineNo">040</span><a id="line.40"> *</a> |
| <span class="sourceLineNo">041</span><a id="line.41"> * @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a></a> |
| <span class="sourceLineNo">042</span><a id="line.42"> * @version $Id$</a> |
| <span class="sourceLineNo">043</span><a id="line.43"> */</a> |
| <span class="sourceLineNo">044</span><a id="line.44">public class OldJavaCrypt implements CryptoAlgorithm </a> |
| <span class="sourceLineNo">045</span><a id="line.45">{</a> |
| <span class="sourceLineNo">046</span><a id="line.46"> /** The default cipher */</a> |
| <span class="sourceLineNo">047</span><a id="line.47"> public static final String DEFAULT_CIPHER = "SHA";</a> |
| <span class="sourceLineNo">048</span><a id="line.48"></a> |
| <span class="sourceLineNo">049</span><a id="line.49"> /** The cipher to use for encryption */</a> |
| <span class="sourceLineNo">050</span><a id="line.50"> private String cipher = null;</a> |
| <span class="sourceLineNo">051</span><a id="line.51"></a> |
| <span class="sourceLineNo">052</span><a id="line.52"> /**</a> |
| <span class="sourceLineNo">053</span><a id="line.53"> * Constructor</a> |
| <span class="sourceLineNo">054</span><a id="line.54"> */</a> |
| <span class="sourceLineNo">055</span><a id="line.55"> public OldJavaCrypt() </a> |
| <span class="sourceLineNo">056</span><a id="line.56"> {</a> |
| <span class="sourceLineNo">057</span><a id="line.57"> this.cipher = DEFAULT_CIPHER;</a> |
| <span class="sourceLineNo">058</span><a id="line.58"> }</a> |
| <span class="sourceLineNo">059</span><a id="line.59"></a> |
| <span class="sourceLineNo">060</span><a id="line.60"> /**</a> |
| <span class="sourceLineNo">061</span><a id="line.61"> * Setting the actual cipher requested. If not called, then the default cipher</a> |
| <span class="sourceLineNo">062</span><a id="line.62"> * (SHA) is used.</a> |
| <span class="sourceLineNo">063</span><a id="line.63"> *</a> |
| <span class="sourceLineNo">064</span><a id="line.64"> * This will never throw an error even if there is no provider for this cipher.</a> |
| <span class="sourceLineNo">065</span><a id="line.65"> * The error will be thrown by encrypt() (Fixme?)</a> |
| <span class="sourceLineNo">066</span><a id="line.66"> *</a> |
| <span class="sourceLineNo">067</span><a id="line.67"> * @param cipher The cipher to use.</a> |
| <span class="sourceLineNo">068</span><a id="line.68"> *</a> |
| <span class="sourceLineNo">069</span><a id="line.69"> */</a> |
| <span class="sourceLineNo">070</span><a id="line.70"> public void setCipher(String cipher) </a> |
| <span class="sourceLineNo">071</span><a id="line.71"> {</a> |
| <span class="sourceLineNo">072</span><a id="line.72"> this.cipher = cipher;</a> |
| <span class="sourceLineNo">073</span><a id="line.73"> }</a> |
| <span class="sourceLineNo">074</span><a id="line.74"></a> |
| <span class="sourceLineNo">075</span><a id="line.75"> /**</a> |
| <span class="sourceLineNo">076</span><a id="line.76"> * This class never uses a seed, so this is just a dummy.</a> |
| <span class="sourceLineNo">077</span><a id="line.77"> *</a> |
| <span class="sourceLineNo">078</span><a id="line.78"> * @param seed Seed (ignored)</a> |
| <span class="sourceLineNo">079</span><a id="line.79"> *</a> |
| <span class="sourceLineNo">080</span><a id="line.80"> */</a> |
| <span class="sourceLineNo">081</span><a id="line.81"> public void setSeed(String seed) </a> |
| <span class="sourceLineNo">082</span><a id="line.82"> {</a> |
| <span class="sourceLineNo">083</span><a id="line.83"> /* dummy */</a> |
| <span class="sourceLineNo">084</span><a id="line.84"> }</a> |
| <span class="sourceLineNo">085</span><a id="line.85"></a> |
| <span class="sourceLineNo">086</span><a id="line.86"> /**</a> |
| <span class="sourceLineNo">087</span><a id="line.87"> * Encrypt the supplied string with the requested cipher</a> |
| <span class="sourceLineNo">088</span><a id="line.88"> *</a> |
| <span class="sourceLineNo">089</span><a id="line.89"> * @param value The value to be encrypted</a> |
| <span class="sourceLineNo">090</span><a id="line.90"> * @return The encrypted value</a> |
| <span class="sourceLineNo">091</span><a id="line.91"> * @throws Exception An Exception of the underlying implementation.</a> |
| <span class="sourceLineNo">092</span><a id="line.92"> */</a> |
| <span class="sourceLineNo">093</span><a id="line.93"> public String encrypt(String value) throws Exception </a> |
| <span class="sourceLineNo">094</span><a id="line.94"> {</a> |
| <span class="sourceLineNo">095</span><a id="line.95"> MessageDigest md = MessageDigest.getInstance(cipher);</a> |
| <span class="sourceLineNo">096</span><a id="line.96"> byte[] digest = md.digest(value.getBytes("UTF-8"));</a> |
| <span class="sourceLineNo">097</span><a id="line.97"> byte[] base64 = Base64.encodeBase64(digest);</a> |
| <span class="sourceLineNo">098</span><a id="line.98"> </a> |
| <span class="sourceLineNo">099</span><a id="line.99"> // from MD5 the digest has 16 bytes but for SHA1 it contains 20 bytes</a> |
| <span class="sourceLineNo">100</span><a id="line.100"> // depending on the digest length the result is truncated</a> |
| <span class="sourceLineNo">101</span><a id="line.101"> int len = (digest.length == 16 ? 20 : 24);</a> |
| <span class="sourceLineNo">102</span><a id="line.102"> byte[] result = new byte[len];</a> |
| <span class="sourceLineNo">103</span><a id="line.103"> </a> |
| <span class="sourceLineNo">104</span><a id="line.104"> System.arraycopy(base64, 0, result, 0, result.length);</a> |
| <span class="sourceLineNo">105</span><a id="line.105"> return new String(result, "UTF-8");</a> |
| <span class="sourceLineNo">106</span><a id="line.106"> }</a> |
| <span class="sourceLineNo">107</span><a id="line.107">}</a> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
