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<pre><span class="sourceLineNo">001</span>package org.apache.archiva.redback.integration.filter.authentication.digest;<a name="line.1"></a>
<span class="sourceLineNo">002</span><a name="line.2"></a>
<span class="sourceLineNo">003</span>/*<a name="line.3"></a>
<span class="sourceLineNo">004</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.4"></a>
<span class="sourceLineNo">005</span> * or more contributor license agreements. See the NOTICE file<a name="line.5"></a>
<span class="sourceLineNo">006</span> * distributed with this work for additional information<a name="line.6"></a>
<span class="sourceLineNo">007</span> * regarding copyright ownership. The ASF licenses this file<a name="line.7"></a>
<span class="sourceLineNo">008</span> * to you under the Apache License, Version 2.0 (the<a name="line.8"></a>
<span class="sourceLineNo">009</span> * "License"); you may not use this file except in compliance<a name="line.9"></a>
<span class="sourceLineNo">010</span> * with the License. You may obtain a copy of the License at<a name="line.10"></a>
<span class="sourceLineNo">011</span> *<a name="line.11"></a>
<span class="sourceLineNo">012</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.12"></a>
<span class="sourceLineNo">013</span> *<a name="line.13"></a>
<span class="sourceLineNo">014</span> * Unless required by applicable law or agreed to in writing,<a name="line.14"></a>
<span class="sourceLineNo">015</span> * software distributed under the License is distributed on an<a name="line.15"></a>
<span class="sourceLineNo">016</span> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY<a name="line.16"></a>
<span class="sourceLineNo">017</span> * KIND, either express or implied. See the License for the<a name="line.17"></a>
<span class="sourceLineNo">018</span> * specific language governing permissions and limitations<a name="line.18"></a>
<span class="sourceLineNo">019</span> * under the License.<a name="line.19"></a>
<span class="sourceLineNo">020</span> */<a name="line.20"></a>
<span class="sourceLineNo">021</span><a name="line.21"></a>
<span class="sourceLineNo">022</span>/**<a name="line.22"></a>
<span class="sourceLineNo">023</span> * Hex<a name="line.23"></a>
<span class="sourceLineNo">024</span> *<a name="line.24"></a>
<span class="sourceLineNo">025</span> * @author &lt;a href="mailto:joakim@erdfelt.com"&gt;Joakim Erdfelt&lt;/a&gt;<a name="line.25"></a>
<span class="sourceLineNo">026</span> *<a name="line.26"></a>
<span class="sourceLineNo">027</span> */<a name="line.27"></a>
<span class="sourceLineNo">028</span>public class Hex<a name="line.28"></a>
<span class="sourceLineNo">029</span>{<a name="line.29"></a>
<span class="sourceLineNo">030</span> private static final byte[] DIGITS = "0123456789abcdef".getBytes();<a name="line.30"></a>
<span class="sourceLineNo">031</span><a name="line.31"></a>
<span class="sourceLineNo">032</span> public static String encode( byte[] data )<a name="line.32"></a>
<span class="sourceLineNo">033</span> {<a name="line.33"></a>
<span class="sourceLineNo">034</span> int l = data.length;<a name="line.34"></a>
<span class="sourceLineNo">035</span><a name="line.35"></a>
<span class="sourceLineNo">036</span> byte[] raw = new byte[l * 2];<a name="line.36"></a>
<span class="sourceLineNo">037</span><a name="line.37"></a>
<span class="sourceLineNo">038</span> for ( int i = 0, j = 0; i &lt; l; i++ )<a name="line.38"></a>
<span class="sourceLineNo">039</span> {<a name="line.39"></a>
<span class="sourceLineNo">040</span> raw[j++] = DIGITS[( 0xF0 &amp; data[i] ) &gt;&gt;&gt; 4];<a name="line.40"></a>
<span class="sourceLineNo">041</span> raw[j++] = DIGITS[0x0F &amp; data[i]];<a name="line.41"></a>
<span class="sourceLineNo">042</span> }<a name="line.42"></a>
<span class="sourceLineNo">043</span><a name="line.43"></a>
<span class="sourceLineNo">044</span> return new String( raw );<a name="line.44"></a>
<span class="sourceLineNo">045</span> }<a name="line.45"></a>
<span class="sourceLineNo">046</span><a name="line.46"></a>
<span class="sourceLineNo">047</span> public static String encode( String raw )<a name="line.47"></a>
<span class="sourceLineNo">048</span> {<a name="line.48"></a>
<span class="sourceLineNo">049</span> return encode( raw.getBytes() );<a name="line.49"></a>
<span class="sourceLineNo">050</span> }<a name="line.50"></a>
<span class="sourceLineNo">051</span>}<a name="line.51"></a>
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