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| <div id="overview"><a href="../../../../../../../../apidocs/org/apache/mina/proxy/handlers/http/ntlm/NTLMResponses.html">View Javadoc</a></div><pre> |
| <a class="jxr_linenumber" name="L1" href="#L1">1</a> <em class="jxr_comment">/*</em> |
| <a class="jxr_linenumber" name="L2" href="#L2">2</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em> |
| <a class="jxr_linenumber" name="L3" href="#L3">3</a> <em class="jxr_comment"> * or more contributor license agreements. See the NOTICE file</em> |
| <a class="jxr_linenumber" name="L4" href="#L4">4</a> <em class="jxr_comment"> * distributed with this work for additional information</em> |
| <a class="jxr_linenumber" name="L5" href="#L5">5</a> <em class="jxr_comment"> * regarding copyright ownership. The ASF licenses this file</em> |
| <a class="jxr_linenumber" name="L6" href="#L6">6</a> <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em> |
| <a class="jxr_linenumber" name="L7" href="#L7">7</a> <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em> |
| <a class="jxr_linenumber" name="L8" href="#L8">8</a> <em class="jxr_comment"> * with the License. You may obtain a copy of the License at</em> |
| <a class="jxr_linenumber" name="L9" href="#L9">9</a> <em class="jxr_comment"> *</em> |
| <a class="jxr_linenumber" name="L10" href="#L10">10</a> <em class="jxr_comment"> * <a href="http://www.apache.org/licenses/LICENSE-2." target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.</a>0</em> |
| <a class="jxr_linenumber" name="L11" href="#L11">11</a> <em class="jxr_comment"> *</em> |
| <a class="jxr_linenumber" name="L12" href="#L12">12</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing,</em> |
| <a class="jxr_linenumber" name="L13" href="#L13">13</a> <em class="jxr_comment"> * software distributed under the License is distributed on an</em> |
| <a class="jxr_linenumber" name="L14" href="#L14">14</a> <em class="jxr_comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em> |
| <a class="jxr_linenumber" name="L15" href="#L15">15</a> <em class="jxr_comment"> * KIND, either express or implied. See the License for the</em> |
| <a class="jxr_linenumber" name="L16" href="#L16">16</a> <em class="jxr_comment"> * specific language governing permissions and limitations</em> |
| <a class="jxr_linenumber" name="L17" href="#L17">17</a> <em class="jxr_comment"> * under the License.</em> |
| <a class="jxr_linenumber" name="L18" href="#L18">18</a> <em class="jxr_comment"> *</em> |
| <a class="jxr_linenumber" name="L19" href="#L19">19</a> <em class="jxr_comment"> */</em> |
| <a class="jxr_linenumber" name="L20" href="#L20">20</a> <strong class="jxr_keyword">package</strong> org.apache.mina.proxy.handlers.http.ntlm; |
| <a class="jxr_linenumber" name="L21" href="#L21">21</a> |
| <a class="jxr_linenumber" name="L22" href="#L22">22</a> <strong class="jxr_keyword">import</strong> java.security.Key; |
| <a class="jxr_linenumber" name="L23" href="#L23">23</a> <strong class="jxr_keyword">import</strong> java.security.MessageDigest; |
| <a class="jxr_linenumber" name="L24" href="#L24">24</a> |
| <a class="jxr_linenumber" name="L25" href="#L25">25</a> <strong class="jxr_keyword">import</strong> javax.crypto.Cipher; |
| <a class="jxr_linenumber" name="L26" href="#L26">26</a> <strong class="jxr_keyword">import</strong> javax.crypto.spec.SecretKeySpec; |
| <a class="jxr_linenumber" name="L27" href="#L27">27</a> |
| <a class="jxr_linenumber" name="L28" href="#L28">28</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L29" href="#L29">29</a> <em class="jxr_javadoccomment"> * NTLMResponses.java - Calculates the various Type 3 responses. Needs an MD4,</em> |
| <a class="jxr_linenumber" name="L30" href="#L30">30</a> <em class="jxr_javadoccomment"> * MD5 and DES crypto provider (Please note that default provider doesn't</em> |
| <a class="jxr_linenumber" name="L31" href="#L31">31</a> <em class="jxr_javadoccomment"> * provide MD4).</em> |
| <a class="jxr_linenumber" name="L32" href="#L32">32</a> <em class="jxr_javadoccomment"> * </em> |
| <a class="jxr_linenumber" name="L33" href="#L33">33</a> <em class="jxr_javadoccomment"> * Copyright (c) 2003 Eric Glass Permission to use, copy, modify, and distribute</em> |
| <a class="jxr_linenumber" name="L34" href="#L34">34</a> <em class="jxr_javadoccomment"> * this document for any purpose and without any fee is hereby granted, provided</em> |
| <a class="jxr_linenumber" name="L35" href="#L35">35</a> <em class="jxr_javadoccomment"> * that the above copyright notice and this list of conditions appear in all</em> |
| <a class="jxr_linenumber" name="L36" href="#L36">36</a> <em class="jxr_javadoccomment"> * copies.</em> |
| <a class="jxr_linenumber" name="L37" href="#L37">37</a> <em class="jxr_javadoccomment"> * </em> |
| <a class="jxr_linenumber" name="L38" href="#L38">38</a> <em class="jxr_javadoccomment"> * @see <a href="<a href="http://curl.haxx.se/rfc/ntlm.html" target="alexandria_uri">http://curl.haxx.se/rfc/ntlm.html</a>">NTLM RFC</a></em> |
| <a class="jxr_linenumber" name="L39" href="#L39">39</a> <em class="jxr_javadoccomment"> * </em> |
| <a class="jxr_linenumber" name="L40" href="#L40">40</a> <em class="jxr_javadoccomment"> * @author <a href="<a href="http://mina.apache.org" target="alexandria_uri">http://mina.apache.org</a>">Apache MINA Project</a></em> |
| <a class="jxr_linenumber" name="L41" href="#L41">41</a> <em class="jxr_javadoccomment"> * @since MINA 2.0.0-M3</em> |
| <a class="jxr_linenumber" name="L42" href="#L42">42</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L43" href="#L43">43</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../../org/apache/mina/proxy/handlers/http/ntlm/NTLMResponses.html">NTLMResponses</a> { |
| <a class="jxr_linenumber" name="L44" href="#L44">44</a> <em class="jxr_javadoccomment">/** LAN Manager magic constant used in LM Response calculation */</em> |
| <a class="jxr_linenumber" name="L45" href="#L45">45</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> byte[] LM_HASH_MAGIC_CONSTANT = |
| <a class="jxr_linenumber" name="L46" href="#L46">46</a> <strong class="jxr_keyword">new</strong> byte[]{ 'K', 'G', 'S', '!', '@', '#', '$', '%' }; |
| <a class="jxr_linenumber" name="L47" href="#L47">47</a> |
| <a class="jxr_linenumber" name="L48" href="#L48">48</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../../../org/apache/mina/proxy/handlers/http/ntlm/NTLMResponses.html">NTLMResponses</a>() { |
| <a class="jxr_linenumber" name="L49" href="#L49">49</a> } |
| <a class="jxr_linenumber" name="L50" href="#L50">50</a> |
| <a class="jxr_linenumber" name="L51" href="#L51">51</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L52" href="#L52">52</a> <em class="jxr_javadoccomment"> * Calculates the LM Response for the given challenge, using the specified</em> |
| <a class="jxr_linenumber" name="L53" href="#L53">53</a> <em class="jxr_javadoccomment"> * password.</em> |
| <a class="jxr_linenumber" name="L54" href="#L54">54</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L55" href="#L55">55</a> <em class="jxr_javadoccomment"> * @param password The user's password.</em> |
| <a class="jxr_linenumber" name="L56" href="#L56">56</a> <em class="jxr_javadoccomment"> * @param challenge The Type 2 challenge from the server.</em> |
| <a class="jxr_linenumber" name="L57" href="#L57">57</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L58" href="#L58">58</a> <em class="jxr_javadoccomment"> * @return The LM Response.</em> |
| <a class="jxr_linenumber" name="L59" href="#L59">59</a> <em class="jxr_javadoccomment"> * @throws Exception If something went wrong</em> |
| <a class="jxr_linenumber" name="L60" href="#L60">60</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L61" href="#L61">61</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> byte[] getLMResponse(String password, byte[] challenge) <strong class="jxr_keyword">throws</strong> Exception { |
| <a class="jxr_linenumber" name="L62" href="#L62">62</a> byte[] lmHash = lmHash(password); |
| <a class="jxr_linenumber" name="L63" href="#L63">63</a> |
| <a class="jxr_linenumber" name="L64" href="#L64">64</a> <strong class="jxr_keyword">return</strong> lmResponse(lmHash, challenge); |
| <a class="jxr_linenumber" name="L65" href="#L65">65</a> } |
| <a class="jxr_linenumber" name="L66" href="#L66">66</a> |
| <a class="jxr_linenumber" name="L67" href="#L67">67</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L68" href="#L68">68</a> <em class="jxr_javadoccomment"> * Calculates the NTLM Response for the given challenge, using the</em> |
| <a class="jxr_linenumber" name="L69" href="#L69">69</a> <em class="jxr_javadoccomment"> * specified password.</em> |
| <a class="jxr_linenumber" name="L70" href="#L70">70</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L71" href="#L71">71</a> <em class="jxr_javadoccomment"> * @param password The user's password.</em> |
| <a class="jxr_linenumber" name="L72" href="#L72">72</a> <em class="jxr_javadoccomment"> * @param challenge The Type 2 challenge from the server.</em> |
| <a class="jxr_linenumber" name="L73" href="#L73">73</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L74" href="#L74">74</a> <em class="jxr_javadoccomment"> * @return The NTLM Response.</em> |
| <a class="jxr_linenumber" name="L75" href="#L75">75</a> <em class="jxr_javadoccomment"> * @throws Exception If something went wrong</em> |
| <a class="jxr_linenumber" name="L76" href="#L76">76</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L77" href="#L77">77</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> byte[] getNTLMResponse(String password, byte[] challenge) <strong class="jxr_keyword">throws</strong> Exception { |
| <a class="jxr_linenumber" name="L78" href="#L78">78</a> byte[] ntlmHash = ntlmHash(password); |
| <a class="jxr_linenumber" name="L79" href="#L79">79</a> |
| <a class="jxr_linenumber" name="L80" href="#L80">80</a> <strong class="jxr_keyword">return</strong> lmResponse(ntlmHash, challenge); |
| <a class="jxr_linenumber" name="L81" href="#L81">81</a> } |
| <a class="jxr_linenumber" name="L82" href="#L82">82</a> |
| <a class="jxr_linenumber" name="L83" href="#L83">83</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L84" href="#L84">84</a> <em class="jxr_javadoccomment"> * Calculates the NTLMv2 Response for the given challenge, using the</em> |
| <a class="jxr_linenumber" name="L85" href="#L85">85</a> <em class="jxr_javadoccomment"> * specified authentication target, username, password, target information</em> |
| <a class="jxr_linenumber" name="L86" href="#L86">86</a> <em class="jxr_javadoccomment"> * block, and client nonce.</em> |
| <a class="jxr_linenumber" name="L87" href="#L87">87</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L88" href="#L88">88</a> <em class="jxr_javadoccomment"> * @param target The authentication target (i.e., domain).</em> |
| <a class="jxr_linenumber" name="L89" href="#L89">89</a> <em class="jxr_javadoccomment"> * @param user The username.</em> |
| <a class="jxr_linenumber" name="L90" href="#L90">90</a> <em class="jxr_javadoccomment"> * @param password The user's password.</em> |
| <a class="jxr_linenumber" name="L91" href="#L91">91</a> <em class="jxr_javadoccomment"> * @param targetInformation The target information block from the Type 2</em> |
| <a class="jxr_linenumber" name="L92" href="#L92">92</a> <em class="jxr_javadoccomment"> * message.</em> |
| <a class="jxr_linenumber" name="L93" href="#L93">93</a> <em class="jxr_javadoccomment"> * @param challenge The Type 2 challenge from the server.</em> |
| <a class="jxr_linenumber" name="L94" href="#L94">94</a> <em class="jxr_javadoccomment"> * @param clientNonce The random 8-byte client nonce.</em> |
| <a class="jxr_linenumber" name="L95" href="#L95">95</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L96" href="#L96">96</a> <em class="jxr_javadoccomment"> * @return The NTLMv2 Response.</em> |
| <a class="jxr_linenumber" name="L97" href="#L97">97</a> <em class="jxr_javadoccomment"> * @throws Exception If something went wrong</em> |
| <a class="jxr_linenumber" name="L98" href="#L98">98</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L99" href="#L99">99</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> byte[] getNTLMv2Response(String target, String user, String password, byte[] targetInformation, |
| <a class="jxr_linenumber" name="L100" href="#L100">100</a> byte[] challenge, byte[] clientNonce) <strong class="jxr_keyword">throws</strong> Exception { |
| <a class="jxr_linenumber" name="L101" href="#L101">101</a> |
| <a class="jxr_linenumber" name="L102" href="#L102">102</a> <strong class="jxr_keyword">return</strong> getNTLMv2Response(target, user, password, targetInformation, challenge, clientNonce, |
| <a class="jxr_linenumber" name="L103" href="#L103">103</a> System.currentTimeMillis()); |
| <a class="jxr_linenumber" name="L104" href="#L104">104</a> } |
| <a class="jxr_linenumber" name="L105" href="#L105">105</a> |
| <a class="jxr_linenumber" name="L106" href="#L106">106</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L107" href="#L107">107</a> <em class="jxr_javadoccomment"> * Calculates the NTLMv2 Response for the given challenge, using the</em> |
| <a class="jxr_linenumber" name="L108" href="#L108">108</a> <em class="jxr_javadoccomment"> * specified authentication target, username, password, target information</em> |
| <a class="jxr_linenumber" name="L109" href="#L109">109</a> <em class="jxr_javadoccomment"> * block, and client nonce.</em> |
| <a class="jxr_linenumber" name="L110" href="#L110">110</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L111" href="#L111">111</a> <em class="jxr_javadoccomment"> * @param target The authentication target (i.e., domain).</em> |
| <a class="jxr_linenumber" name="L112" href="#L112">112</a> <em class="jxr_javadoccomment"> * @param user The username.</em> |
| <a class="jxr_linenumber" name="L113" href="#L113">113</a> <em class="jxr_javadoccomment"> * @param password The user's password.</em> |
| <a class="jxr_linenumber" name="L114" href="#L114">114</a> <em class="jxr_javadoccomment"> * @param targetInformation The target information block from the Type 2</em> |
| <a class="jxr_linenumber" name="L115" href="#L115">115</a> <em class="jxr_javadoccomment"> * message.</em> |
| <a class="jxr_linenumber" name="L116" href="#L116">116</a> <em class="jxr_javadoccomment"> * @param challenge The Type 2 challenge from the server.</em> |
| <a class="jxr_linenumber" name="L117" href="#L117">117</a> <em class="jxr_javadoccomment"> * @param clientNonce The random 8-byte client nonce.</em> |
| <a class="jxr_linenumber" name="L118" href="#L118">118</a> <em class="jxr_javadoccomment"> * @param time The time stamp.</em> |
| <a class="jxr_linenumber" name="L119" href="#L119">119</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L120" href="#L120">120</a> <em class="jxr_javadoccomment"> * @return The NTLMv2 Response.</em> |
| <a class="jxr_linenumber" name="L121" href="#L121">121</a> <em class="jxr_javadoccomment"> * @throws Exception If something went wrong</em> |
| <a class="jxr_linenumber" name="L122" href="#L122">122</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L123" href="#L123">123</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> byte[] getNTLMv2Response(String target, String user, String password, byte[] targetInformation, |
| <a class="jxr_linenumber" name="L124" href="#L124">124</a> byte[] challenge, byte[] clientNonce, <strong class="jxr_keyword">long</strong> time) <strong class="jxr_keyword">throws</strong> Exception { |
| <a class="jxr_linenumber" name="L125" href="#L125">125</a> byte[] ntlmv2Hash = ntlmv2Hash(target, user, password); |
| <a class="jxr_linenumber" name="L126" href="#L126">126</a> byte[] blob = createBlob(targetInformation, clientNonce, time); |
| <a class="jxr_linenumber" name="L127" href="#L127">127</a> |
| <a class="jxr_linenumber" name="L128" href="#L128">128</a> <strong class="jxr_keyword">return</strong> lmv2Response(ntlmv2Hash, blob, challenge); |
| <a class="jxr_linenumber" name="L129" href="#L129">129</a> } |
| <a class="jxr_linenumber" name="L130" href="#L130">130</a> |
| <a class="jxr_linenumber" name="L131" href="#L131">131</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L132" href="#L132">132</a> <em class="jxr_javadoccomment"> * Calculates the LMv2 Response for the given challenge, using the</em> |
| <a class="jxr_linenumber" name="L133" href="#L133">133</a> <em class="jxr_javadoccomment"> * specified authentication target, username, password, and client</em> |
| <a class="jxr_linenumber" name="L134" href="#L134">134</a> <em class="jxr_javadoccomment"> * challenge.</em> |
| <a class="jxr_linenumber" name="L135" href="#L135">135</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L136" href="#L136">136</a> <em class="jxr_javadoccomment"> * @param target The authentication target (i.e., domain).</em> |
| <a class="jxr_linenumber" name="L137" href="#L137">137</a> <em class="jxr_javadoccomment"> * @param user The username.</em> |
| <a class="jxr_linenumber" name="L138" href="#L138">138</a> <em class="jxr_javadoccomment"> * @param password The user's password.</em> |
| <a class="jxr_linenumber" name="L139" href="#L139">139</a> <em class="jxr_javadoccomment"> * @param challenge The Type 2 challenge from the server.</em> |
| <a class="jxr_linenumber" name="L140" href="#L140">140</a> <em class="jxr_javadoccomment"> * @param clientNonce The random 8-byte client nonce.</em> |
| <a class="jxr_linenumber" name="L141" href="#L141">141</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L142" href="#L142">142</a> <em class="jxr_javadoccomment"> * @return The LMv2 Response.</em> |
| <a class="jxr_linenumber" name="L143" href="#L143">143</a> <em class="jxr_javadoccomment"> * @throws Exception If something went wrong</em> |
| <a class="jxr_linenumber" name="L144" href="#L144">144</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L145" href="#L145">145</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> byte[] getLMv2Response(String target, String user, String password, byte[] challenge, |
| <a class="jxr_linenumber" name="L146" href="#L146">146</a> byte[] clientNonce) <strong class="jxr_keyword">throws</strong> Exception { |
| <a class="jxr_linenumber" name="L147" href="#L147">147</a> byte[] ntlmv2Hash = ntlmv2Hash(target, user, password); |
| <a class="jxr_linenumber" name="L148" href="#L148">148</a> <strong class="jxr_keyword">return</strong> lmv2Response(ntlmv2Hash, clientNonce, challenge); |
| <a class="jxr_linenumber" name="L149" href="#L149">149</a> } |
| <a class="jxr_linenumber" name="L150" href="#L150">150</a> |
| <a class="jxr_linenumber" name="L151" href="#L151">151</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L152" href="#L152">152</a> <em class="jxr_javadoccomment"> * Calculates the NTLM2 Session Response for the given challenge, using the</em> |
| <a class="jxr_linenumber" name="L153" href="#L153">153</a> <em class="jxr_javadoccomment"> * specified password and client nonce.</em> |
| <a class="jxr_linenumber" name="L154" href="#L154">154</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L155" href="#L155">155</a> <em class="jxr_javadoccomment"> * @param password The user's password.</em> |
| <a class="jxr_linenumber" name="L156" href="#L156">156</a> <em class="jxr_javadoccomment"> * @param challenge The Type 2 challenge from the server.</em> |
| <a class="jxr_linenumber" name="L157" href="#L157">157</a> <em class="jxr_javadoccomment"> * @param clientNonce The random 8-byte client nonce.</em> |
| <a class="jxr_linenumber" name="L158" href="#L158">158</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L159" href="#L159">159</a> <em class="jxr_javadoccomment"> * @return The NTLM2 Session Response. This is placed in the NTLM</em> |
| <a class="jxr_linenumber" name="L160" href="#L160">160</a> <em class="jxr_javadoccomment"> * response field of the Type 3 message; the LM response field contains</em> |
| <a class="jxr_linenumber" name="L161" href="#L161">161</a> <em class="jxr_javadoccomment"> * the client nonce, null-padded to 24 bytes.</em> |
| <a class="jxr_linenumber" name="L162" href="#L162">162</a> <em class="jxr_javadoccomment"> * @throws Exception If something went wrong</em> |
| <a class="jxr_linenumber" name="L163" href="#L163">163</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L164" href="#L164">164</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> byte[] getNTLM2SessionResponse(String password, byte[] challenge, byte[] clientNonce) |
| <a class="jxr_linenumber" name="L165" href="#L165">165</a> <strong class="jxr_keyword">throws</strong> Exception { |
| <a class="jxr_linenumber" name="L166" href="#L166">166</a> byte[] ntlmHash = ntlmHash(password); |
| <a class="jxr_linenumber" name="L167" href="#L167">167</a> MessageDigest md5 = MessageDigest.getInstance(<span class="jxr_string">"MD5"</span>); |
| <a class="jxr_linenumber" name="L168" href="#L168">168</a> md5.update(challenge); |
| <a class="jxr_linenumber" name="L169" href="#L169">169</a> md5.update(clientNonce); |
| <a class="jxr_linenumber" name="L170" href="#L170">170</a> byte[] sessionHash = <strong class="jxr_keyword">new</strong> byte[8]; |
| <a class="jxr_linenumber" name="L171" href="#L171">171</a> System.arraycopy(md5.digest(), 0, sessionHash, 0, 8); |
| <a class="jxr_linenumber" name="L172" href="#L172">172</a> <strong class="jxr_keyword">return</strong> lmResponse(ntlmHash, sessionHash); |
| <a class="jxr_linenumber" name="L173" href="#L173">173</a> } |
| <a class="jxr_linenumber" name="L174" href="#L174">174</a> |
| <a class="jxr_linenumber" name="L175" href="#L175">175</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L176" href="#L176">176</a> <em class="jxr_javadoccomment"> * Creates the LM Hash of the user's password.</em> |
| <a class="jxr_linenumber" name="L177" href="#L177">177</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L178" href="#L178">178</a> <em class="jxr_javadoccomment"> * @param password The password.</em> |
| <a class="jxr_linenumber" name="L179" href="#L179">179</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L180" href="#L180">180</a> <em class="jxr_javadoccomment"> * @return The LM Hash of the given password, used in the calculation</em> |
| <a class="jxr_linenumber" name="L181" href="#L181">181</a> <em class="jxr_javadoccomment"> * of the LM Response.</em> |
| <a class="jxr_linenumber" name="L182" href="#L182">182</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L183" href="#L183">183</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> byte[] lmHash(String password) <strong class="jxr_keyword">throws</strong> Exception { |
| <a class="jxr_linenumber" name="L184" href="#L184">184</a> byte[] oemPassword = password.toUpperCase().getBytes(<span class="jxr_string">"US-ASCII"</span>); |
| <a class="jxr_linenumber" name="L185" href="#L185">185</a> <strong class="jxr_keyword">int</strong> length = Math.min(oemPassword.length, 14); |
| <a class="jxr_linenumber" name="L186" href="#L186">186</a> byte[] keyBytes = <strong class="jxr_keyword">new</strong> byte[14]; |
| <a class="jxr_linenumber" name="L187" href="#L187">187</a> System.arraycopy(oemPassword, 0, keyBytes, 0, length); |
| <a class="jxr_linenumber" name="L188" href="#L188">188</a> Key lowKey = createDESKey(keyBytes, 0); |
| <a class="jxr_linenumber" name="L189" href="#L189">189</a> Key highKey = createDESKey(keyBytes, 7); |
| <a class="jxr_linenumber" name="L190" href="#L190">190</a> Cipher des = Cipher.getInstance(<span class="jxr_string">"DES/ECB/NoPadding"</span>); |
| <a class="jxr_linenumber" name="L191" href="#L191">191</a> des.init(Cipher.ENCRYPT_MODE, lowKey); |
| <a class="jxr_linenumber" name="L192" href="#L192">192</a> byte[] lowHash = des.doFinal(LM_HASH_MAGIC_CONSTANT); |
| <a class="jxr_linenumber" name="L193" href="#L193">193</a> des.init(Cipher.ENCRYPT_MODE, highKey); |
| <a class="jxr_linenumber" name="L194" href="#L194">194</a> byte[] highHash = des.doFinal(LM_HASH_MAGIC_CONSTANT); |
| <a class="jxr_linenumber" name="L195" href="#L195">195</a> byte[] lmHash = <strong class="jxr_keyword">new</strong> byte[16]; |
| <a class="jxr_linenumber" name="L196" href="#L196">196</a> System.arraycopy(lowHash, 0, lmHash, 0, 8); |
| <a class="jxr_linenumber" name="L197" href="#L197">197</a> System.arraycopy(highHash, 0, lmHash, 8, 8); |
| <a class="jxr_linenumber" name="L198" href="#L198">198</a> |
| <a class="jxr_linenumber" name="L199" href="#L199">199</a> <strong class="jxr_keyword">return</strong> lmHash; |
| <a class="jxr_linenumber" name="L200" href="#L200">200</a> } |
| <a class="jxr_linenumber" name="L201" href="#L201">201</a> |
| <a class="jxr_linenumber" name="L202" href="#L202">202</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L203" href="#L203">203</a> <em class="jxr_javadoccomment"> * Creates the NTLM Hash of the user's password.</em> |
| <a class="jxr_linenumber" name="L204" href="#L204">204</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L205" href="#L205">205</a> <em class="jxr_javadoccomment"> * @param password The password.</em> |
| <a class="jxr_linenumber" name="L206" href="#L206">206</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L207" href="#L207">207</a> <em class="jxr_javadoccomment"> * @return The NTLM Hash of the given password, used in the calculation</em> |
| <a class="jxr_linenumber" name="L208" href="#L208">208</a> <em class="jxr_javadoccomment"> * of the NTLM Response and the NTLMv2 and LMv2 Hashes.</em> |
| <a class="jxr_linenumber" name="L209" href="#L209">209</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L210" href="#L210">210</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> byte[] ntlmHash(String password) <strong class="jxr_keyword">throws</strong> Exception { |
| <a class="jxr_linenumber" name="L211" href="#L211">211</a> byte[] unicodePassword = password.getBytes(<span class="jxr_string">"UnicodeLittleUnmarked"</span>); |
| <a class="jxr_linenumber" name="L212" href="#L212">212</a> MessageDigest md4 = MessageDigest.getInstance(<span class="jxr_string">"MD4"</span>); |
| <a class="jxr_linenumber" name="L213" href="#L213">213</a> |
| <a class="jxr_linenumber" name="L214" href="#L214">214</a> <strong class="jxr_keyword">return</strong> md4.digest(unicodePassword); |
| <a class="jxr_linenumber" name="L215" href="#L215">215</a> } |
| <a class="jxr_linenumber" name="L216" href="#L216">216</a> |
| <a class="jxr_linenumber" name="L217" href="#L217">217</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L218" href="#L218">218</a> <em class="jxr_javadoccomment"> * Creates the NTLMv2 Hash of the user's password.</em> |
| <a class="jxr_linenumber" name="L219" href="#L219">219</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L220" href="#L220">220</a> <em class="jxr_javadoccomment"> * @param target The authentication target (i.e., domain).</em> |
| <a class="jxr_linenumber" name="L221" href="#L221">221</a> <em class="jxr_javadoccomment"> * @param user The username.</em> |
| <a class="jxr_linenumber" name="L222" href="#L222">222</a> <em class="jxr_javadoccomment"> * @param password The password.</em> |
| <a class="jxr_linenumber" name="L223" href="#L223">223</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L224" href="#L224">224</a> <em class="jxr_javadoccomment"> * @return The NTLMv2 Hash, used in the calculation of the NTLMv2</em> |
| <a class="jxr_linenumber" name="L225" href="#L225">225</a> <em class="jxr_javadoccomment"> * and LMv2 Responses.</em> |
| <a class="jxr_linenumber" name="L226" href="#L226">226</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L227" href="#L227">227</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> byte[] ntlmv2Hash(String target, String user, String password) <strong class="jxr_keyword">throws</strong> Exception { |
| <a class="jxr_linenumber" name="L228" href="#L228">228</a> byte[] ntlmHash = ntlmHash(password); |
| <a class="jxr_linenumber" name="L229" href="#L229">229</a> String identity = user.toUpperCase() + target; |
| <a class="jxr_linenumber" name="L230" href="#L230">230</a> |
| <a class="jxr_linenumber" name="L231" href="#L231">231</a> <strong class="jxr_keyword">return</strong> hmacMD5(identity.getBytes(<span class="jxr_string">"UnicodeLittleUnmarked"</span>), ntlmHash); |
| <a class="jxr_linenumber" name="L232" href="#L232">232</a> } |
| <a class="jxr_linenumber" name="L233" href="#L233">233</a> |
| <a class="jxr_linenumber" name="L234" href="#L234">234</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L235" href="#L235">235</a> <em class="jxr_javadoccomment"> * Creates the LM Response from the given hash and Type 2 challenge.</em> |
| <a class="jxr_linenumber" name="L236" href="#L236">236</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L237" href="#L237">237</a> <em class="jxr_javadoccomment"> * @param hash The LM or NTLM Hash.</em> |
| <a class="jxr_linenumber" name="L238" href="#L238">238</a> <em class="jxr_javadoccomment"> * @param challenge The server challenge from the Type 2 message.</em> |
| <a class="jxr_linenumber" name="L239" href="#L239">239</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L240" href="#L240">240</a> <em class="jxr_javadoccomment"> * @return The response (either LM or NTLM, depending on the provided</em> |
| <a class="jxr_linenumber" name="L241" href="#L241">241</a> <em class="jxr_javadoccomment"> * hash).</em> |
| <a class="jxr_linenumber" name="L242" href="#L242">242</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L243" href="#L243">243</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> byte[] lmResponse(byte[] hash, byte[] challenge) <strong class="jxr_keyword">throws</strong> Exception { |
| <a class="jxr_linenumber" name="L244" href="#L244">244</a> byte[] keyBytes = <strong class="jxr_keyword">new</strong> byte[21]; |
| <a class="jxr_linenumber" name="L245" href="#L245">245</a> System.arraycopy(hash, 0, keyBytes, 0, 16); |
| <a class="jxr_linenumber" name="L246" href="#L246">246</a> Key lowKey = createDESKey(keyBytes, 0); |
| <a class="jxr_linenumber" name="L247" href="#L247">247</a> Key middleKey = createDESKey(keyBytes, 7); |
| <a class="jxr_linenumber" name="L248" href="#L248">248</a> Key highKey = createDESKey(keyBytes, 14); |
| <a class="jxr_linenumber" name="L249" href="#L249">249</a> Cipher des = Cipher.getInstance(<span class="jxr_string">"DES/ECB/NoPadding"</span>); |
| <a class="jxr_linenumber" name="L250" href="#L250">250</a> des.init(Cipher.ENCRYPT_MODE, lowKey); |
| <a class="jxr_linenumber" name="L251" href="#L251">251</a> byte[] lowResponse = des.doFinal(challenge); |
| <a class="jxr_linenumber" name="L252" href="#L252">252</a> des.init(Cipher.ENCRYPT_MODE, middleKey); |
| <a class="jxr_linenumber" name="L253" href="#L253">253</a> byte[] middleResponse = des.doFinal(challenge); |
| <a class="jxr_linenumber" name="L254" href="#L254">254</a> des.init(Cipher.ENCRYPT_MODE, highKey); |
| <a class="jxr_linenumber" name="L255" href="#L255">255</a> byte[] highResponse = des.doFinal(challenge); |
| <a class="jxr_linenumber" name="L256" href="#L256">256</a> byte[] lmResponse = <strong class="jxr_keyword">new</strong> byte[24]; |
| <a class="jxr_linenumber" name="L257" href="#L257">257</a> System.arraycopy(lowResponse, 0, lmResponse, 0, 8); |
| <a class="jxr_linenumber" name="L258" href="#L258">258</a> System.arraycopy(middleResponse, 0, lmResponse, 8, 8); |
| <a class="jxr_linenumber" name="L259" href="#L259">259</a> System.arraycopy(highResponse, 0, lmResponse, 16, 8); |
| <a class="jxr_linenumber" name="L260" href="#L260">260</a> |
| <a class="jxr_linenumber" name="L261" href="#L261">261</a> <strong class="jxr_keyword">return</strong> lmResponse; |
| <a class="jxr_linenumber" name="L262" href="#L262">262</a> } |
| <a class="jxr_linenumber" name="L263" href="#L263">263</a> |
| <a class="jxr_linenumber" name="L264" href="#L264">264</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L265" href="#L265">265</a> <em class="jxr_javadoccomment"> * Creates the LMv2 Response from the given hash, client data, and</em> |
| <a class="jxr_linenumber" name="L266" href="#L266">266</a> <em class="jxr_javadoccomment"> * Type 2 challenge.</em> |
| <a class="jxr_linenumber" name="L267" href="#L267">267</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L268" href="#L268">268</a> <em class="jxr_javadoccomment"> * @param hash The NTLMv2 Hash.</em> |
| <a class="jxr_linenumber" name="L269" href="#L269">269</a> <em class="jxr_javadoccomment"> * @param clientData The client data (blob or client nonce).</em> |
| <a class="jxr_linenumber" name="L270" href="#L270">270</a> <em class="jxr_javadoccomment"> * @param challenge The server challenge from the Type 2 message.</em> |
| <a class="jxr_linenumber" name="L271" href="#L271">271</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L272" href="#L272">272</a> <em class="jxr_javadoccomment"> * @return The response (either NTLMv2 or LMv2, depending on the</em> |
| <a class="jxr_linenumber" name="L273" href="#L273">273</a> <em class="jxr_javadoccomment"> * client data).</em> |
| <a class="jxr_linenumber" name="L274" href="#L274">274</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L275" href="#L275">275</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> byte[] lmv2Response(byte[] hash, byte[] clientData, byte[] challenge) <strong class="jxr_keyword">throws</strong> Exception { |
| <a class="jxr_linenumber" name="L276" href="#L276">276</a> byte[] data = <strong class="jxr_keyword">new</strong> byte[challenge.length + clientData.length]; |
| <a class="jxr_linenumber" name="L277" href="#L277">277</a> System.arraycopy(challenge, 0, data, 0, challenge.length); |
| <a class="jxr_linenumber" name="L278" href="#L278">278</a> System.arraycopy(clientData, 0, data, challenge.length, clientData.length); |
| <a class="jxr_linenumber" name="L279" href="#L279">279</a> byte[] mac = hmacMD5(data, hash); |
| <a class="jxr_linenumber" name="L280" href="#L280">280</a> byte[] lmv2Response = <strong class="jxr_keyword">new</strong> byte[mac.length + clientData.length]; |
| <a class="jxr_linenumber" name="L281" href="#L281">281</a> System.arraycopy(mac, 0, lmv2Response, 0, mac.length); |
| <a class="jxr_linenumber" name="L282" href="#L282">282</a> System.arraycopy(clientData, 0, lmv2Response, mac.length, clientData.length); |
| <a class="jxr_linenumber" name="L283" href="#L283">283</a> |
| <a class="jxr_linenumber" name="L284" href="#L284">284</a> <strong class="jxr_keyword">return</strong> lmv2Response; |
| <a class="jxr_linenumber" name="L285" href="#L285">285</a> } |
| <a class="jxr_linenumber" name="L286" href="#L286">286</a> |
| <a class="jxr_linenumber" name="L287" href="#L287">287</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L288" href="#L288">288</a> <em class="jxr_javadoccomment"> * Creates the NTLMv2 blob from the given target information block and</em> |
| <a class="jxr_linenumber" name="L289" href="#L289">289</a> <em class="jxr_javadoccomment"> * client nonce.</em> |
| <a class="jxr_linenumber" name="L290" href="#L290">290</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L291" href="#L291">291</a> <em class="jxr_javadoccomment"> * @param targetInformation The target information block from the Type 2</em> |
| <a class="jxr_linenumber" name="L292" href="#L292">292</a> <em class="jxr_javadoccomment"> * message.</em> |
| <a class="jxr_linenumber" name="L293" href="#L293">293</a> <em class="jxr_javadoccomment"> * @param clientNonce The random 8-byte client nonce.</em> |
| <a class="jxr_linenumber" name="L294" href="#L294">294</a> <em class="jxr_javadoccomment"> * @param time the time stamp.</em> |
| <a class="jxr_linenumber" name="L295" href="#L295">295</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L296" href="#L296">296</a> <em class="jxr_javadoccomment"> * @return The blob, used in the calculation of the NTLMv2 Response.</em> |
| <a class="jxr_linenumber" name="L297" href="#L297">297</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L298" href="#L298">298</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> byte[] createBlob(byte[] targetInformation, byte[] clientNonce, <strong class="jxr_keyword">long</strong> time) { |
| <a class="jxr_linenumber" name="L299" href="#L299">299</a> byte[] blobSignature = <strong class="jxr_keyword">new</strong> byte[] { (byte) 0x01, (byte) 0x01, (byte) 0x00, (byte) 0x00 }; |
| <a class="jxr_linenumber" name="L300" href="#L300">300</a> byte[] reserved = <strong class="jxr_keyword">new</strong> byte[] { (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00 }; |
| <a class="jxr_linenumber" name="L301" href="#L301">301</a> byte[] unknown1 = <strong class="jxr_keyword">new</strong> byte[] { (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00 }; |
| <a class="jxr_linenumber" name="L302" href="#L302">302</a> byte[] unknown2 = <strong class="jxr_keyword">new</strong> byte[] { (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00 }; |
| <a class="jxr_linenumber" name="L303" href="#L303">303</a> time += 11644473600000l; <em class="jxr_comment">// milliseconds from January 1, 1601 -> epoch.</em> |
| <a class="jxr_linenumber" name="L304" href="#L304">304</a> time *= 10000; <em class="jxr_comment">// tenths of a microsecond.</em> |
| <a class="jxr_linenumber" name="L305" href="#L305">305</a> <em class="jxr_comment">// convert to little-endian byte array.</em> |
| <a class="jxr_linenumber" name="L306" href="#L306">306</a> byte[] timestamp = <strong class="jxr_keyword">new</strong> byte[8]; |
| <a class="jxr_linenumber" name="L307" href="#L307">307</a> |
| <a class="jxr_linenumber" name="L308" href="#L308">308</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < 8; i++) { |
| <a class="jxr_linenumber" name="L309" href="#L309">309</a> timestamp[i] = (byte) time; |
| <a class="jxr_linenumber" name="L310" href="#L310">310</a> time >>>= 8; |
| <a class="jxr_linenumber" name="L311" href="#L311">311</a> } |
| <a class="jxr_linenumber" name="L312" href="#L312">312</a> |
| <a class="jxr_linenumber" name="L313" href="#L313">313</a> byte[] blob = <strong class="jxr_keyword">new</strong> byte[blobSignature.length + reserved.length + timestamp.length + clientNonce.length |
| <a class="jxr_linenumber" name="L314" href="#L314">314</a> + unknown1.length + targetInformation.length + unknown2.length]; |
| <a class="jxr_linenumber" name="L315" href="#L315">315</a> <strong class="jxr_keyword">int</strong> offset = 0; |
| <a class="jxr_linenumber" name="L316" href="#L316">316</a> System.arraycopy(blobSignature, 0, blob, offset, blobSignature.length); |
| <a class="jxr_linenumber" name="L317" href="#L317">317</a> offset += blobSignature.length; |
| <a class="jxr_linenumber" name="L318" href="#L318">318</a> System.arraycopy(reserved, 0, blob, offset, reserved.length); |
| <a class="jxr_linenumber" name="L319" href="#L319">319</a> offset += reserved.length; |
| <a class="jxr_linenumber" name="L320" href="#L320">320</a> System.arraycopy(timestamp, 0, blob, offset, timestamp.length); |
| <a class="jxr_linenumber" name="L321" href="#L321">321</a> offset += timestamp.length; |
| <a class="jxr_linenumber" name="L322" href="#L322">322</a> System.arraycopy(clientNonce, 0, blob, offset, clientNonce.length); |
| <a class="jxr_linenumber" name="L323" href="#L323">323</a> offset += clientNonce.length; |
| <a class="jxr_linenumber" name="L324" href="#L324">324</a> System.arraycopy(unknown1, 0, blob, offset, unknown1.length); |
| <a class="jxr_linenumber" name="L325" href="#L325">325</a> offset += unknown1.length; |
| <a class="jxr_linenumber" name="L326" href="#L326">326</a> System.arraycopy(targetInformation, 0, blob, offset, targetInformation.length); |
| <a class="jxr_linenumber" name="L327" href="#L327">327</a> offset += targetInformation.length; |
| <a class="jxr_linenumber" name="L328" href="#L328">328</a> System.arraycopy(unknown2, 0, blob, offset, unknown2.length); |
| <a class="jxr_linenumber" name="L329" href="#L329">329</a> |
| <a class="jxr_linenumber" name="L330" href="#L330">330</a> <strong class="jxr_keyword">return</strong> blob; |
| <a class="jxr_linenumber" name="L331" href="#L331">331</a> } |
| <a class="jxr_linenumber" name="L332" href="#L332">332</a> |
| <a class="jxr_linenumber" name="L333" href="#L333">333</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L334" href="#L334">334</a> <em class="jxr_javadoccomment"> * Calculates the HMAC-MD5 hash of the given data using the specified</em> |
| <a class="jxr_linenumber" name="L335" href="#L335">335</a> <em class="jxr_javadoccomment"> * hashing key.</em> |
| <a class="jxr_linenumber" name="L336" href="#L336">336</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L337" href="#L337">337</a> <em class="jxr_javadoccomment"> * @param data The data for which the hash will be calculated.</em> |
| <a class="jxr_linenumber" name="L338" href="#L338">338</a> <em class="jxr_javadoccomment"> * @param key The hashing key.</em> |
| <a class="jxr_linenumber" name="L339" href="#L339">339</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L340" href="#L340">340</a> <em class="jxr_javadoccomment"> * @return The HMAC-MD5 hash of the given data.</em> |
| <a class="jxr_linenumber" name="L341" href="#L341">341</a> <em class="jxr_javadoccomment"> * @throws Exception If something went wrong</em> |
| <a class="jxr_linenumber" name="L342" href="#L342">342</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L343" href="#L343">343</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> byte[] hmacMD5(byte[] data, byte[] key) <strong class="jxr_keyword">throws</strong> Exception { |
| <a class="jxr_linenumber" name="L344" href="#L344">344</a> byte[] ipad = <strong class="jxr_keyword">new</strong> byte[64]; |
| <a class="jxr_linenumber" name="L345" href="#L345">345</a> byte[] opad = <strong class="jxr_keyword">new</strong> byte[64]; |
| <a class="jxr_linenumber" name="L346" href="#L346">346</a> |
| <a class="jxr_linenumber" name="L347" href="#L347">347</a> <em class="jxr_comment">// Stores key in pads and XOR it with ipad and opad values</em> |
| <a class="jxr_linenumber" name="L348" href="#L348">348</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < 64; i++) { |
| <a class="jxr_linenumber" name="L349" href="#L349">349</a> <strong class="jxr_keyword">if</strong> (i < key.length) { |
| <a class="jxr_linenumber" name="L350" href="#L350">350</a> ipad[i] = (byte) (key[i] ^ 0x36); |
| <a class="jxr_linenumber" name="L351" href="#L351">351</a> opad[i] = (byte) (key[i] ^ 0x5c); |
| <a class="jxr_linenumber" name="L352" href="#L352">352</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="L353" href="#L353">353</a> ipad[i] = 0x36; |
| <a class="jxr_linenumber" name="L354" href="#L354">354</a> opad[i] = 0x5c; |
| <a class="jxr_linenumber" name="L355" href="#L355">355</a> } |
| <a class="jxr_linenumber" name="L356" href="#L356">356</a> } |
| <a class="jxr_linenumber" name="L357" href="#L357">357</a> |
| <a class="jxr_linenumber" name="L358" href="#L358">358</a> byte[] content = <strong class="jxr_keyword">new</strong> byte[data.length + 64]; |
| <a class="jxr_linenumber" name="L359" href="#L359">359</a> System.arraycopy(ipad, 0, content, 0, 64); |
| <a class="jxr_linenumber" name="L360" href="#L360">360</a> System.arraycopy(data, 0, content, 64, data.length); |
| <a class="jxr_linenumber" name="L361" href="#L361">361</a> MessageDigest md5 = MessageDigest.getInstance(<span class="jxr_string">"MD5"</span>); |
| <a class="jxr_linenumber" name="L362" href="#L362">362</a> byte[] digestedData = md5.digest(content); |
| <a class="jxr_linenumber" name="L363" href="#L363">363</a> content = <strong class="jxr_keyword">new</strong> byte[digestedData.length + 64]; |
| <a class="jxr_linenumber" name="L364" href="#L364">364</a> System.arraycopy(opad, 0, content, 0, 64); |
| <a class="jxr_linenumber" name="L365" href="#L365">365</a> System.arraycopy(digestedData, 0, content, 64, digestedData.length); |
| <a class="jxr_linenumber" name="L366" href="#L366">366</a> |
| <a class="jxr_linenumber" name="L367" href="#L367">367</a> <strong class="jxr_keyword">return</strong> md5.digest(content); |
| <a class="jxr_linenumber" name="L368" href="#L368">368</a> } |
| <a class="jxr_linenumber" name="L369" href="#L369">369</a> |
| <a class="jxr_linenumber" name="L370" href="#L370">370</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L371" href="#L371">371</a> <em class="jxr_javadoccomment"> * Creates a DES encryption key from the given key material.</em> |
| <a class="jxr_linenumber" name="L372" href="#L372">372</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L373" href="#L373">373</a> <em class="jxr_javadoccomment"> * @param bytes A byte array containing the DES key material.</em> |
| <a class="jxr_linenumber" name="L374" href="#L374">374</a> <em class="jxr_javadoccomment"> * @param offset The offset in the given byte array at which</em> |
| <a class="jxr_linenumber" name="L375" href="#L375">375</a> <em class="jxr_javadoccomment"> * the 7-byte key material starts.</em> |
| <a class="jxr_linenumber" name="L376" href="#L376">376</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L377" href="#L377">377</a> <em class="jxr_javadoccomment"> * @return A DES encryption key created from the key material</em> |
| <a class="jxr_linenumber" name="L378" href="#L378">378</a> <em class="jxr_javadoccomment"> * starting at the specified offset in the given byte array.</em> |
| <a class="jxr_linenumber" name="L379" href="#L379">379</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L380" href="#L380">380</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> Key createDESKey(byte[] bytes, <strong class="jxr_keyword">int</strong> offset) { |
| <a class="jxr_linenumber" name="L381" href="#L381">381</a> byte[] keyBytes = <strong class="jxr_keyword">new</strong> byte[7]; |
| <a class="jxr_linenumber" name="L382" href="#L382">382</a> System.arraycopy(bytes, offset, keyBytes, 0, 7); |
| <a class="jxr_linenumber" name="L383" href="#L383">383</a> byte[] material = <strong class="jxr_keyword">new</strong> byte[8]; |
| <a class="jxr_linenumber" name="L384" href="#L384">384</a> material[0] = keyBytes[0]; |
| <a class="jxr_linenumber" name="L385" href="#L385">385</a> material[1] = (byte) (keyBytes[0] << 7 | (keyBytes[1] & 0xff) >>> 1); |
| <a class="jxr_linenumber" name="L386" href="#L386">386</a> material[2] = (byte) (keyBytes[1] << 6 | (keyBytes[2] & 0xff) >>> 2); |
| <a class="jxr_linenumber" name="L387" href="#L387">387</a> material[3] = (byte) (keyBytes[2] << 5 | (keyBytes[3] & 0xff) >>> 3); |
| <a class="jxr_linenumber" name="L388" href="#L388">388</a> material[4] = (byte) (keyBytes[3] << 4 | (keyBytes[4] & 0xff) >>> 4); |
| <a class="jxr_linenumber" name="L389" href="#L389">389</a> material[5] = (byte) (keyBytes[4] << 3 | (keyBytes[5] & 0xff) >>> 5); |
| <a class="jxr_linenumber" name="L390" href="#L390">390</a> material[6] = (byte) (keyBytes[5] << 2 | (keyBytes[6] & 0xff) >>> 6); |
| <a class="jxr_linenumber" name="L391" href="#L391">391</a> material[7] = (byte) (keyBytes[6] << 1); |
| <a class="jxr_linenumber" name="L392" href="#L392">392</a> oddParity(material); |
| <a class="jxr_linenumber" name="L393" href="#L393">393</a> |
| <a class="jxr_linenumber" name="L394" href="#L394">394</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> SecretKeySpec(material, <span class="jxr_string">"DES"</span>); |
| <a class="jxr_linenumber" name="L395" href="#L395">395</a> } |
| <a class="jxr_linenumber" name="L396" href="#L396">396</a> |
| <a class="jxr_linenumber" name="L397" href="#L397">397</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L398" href="#L398">398</a> <em class="jxr_javadoccomment"> * Applies odd parity to the given byte array.</em> |
| <a class="jxr_linenumber" name="L399" href="#L399">399</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L400" href="#L400">400</a> <em class="jxr_javadoccomment"> * @param bytes The data whose parity bits are to be adjusted for</em> |
| <a class="jxr_linenumber" name="L401" href="#L401">401</a> <em class="jxr_javadoccomment"> * odd parity.</em> |
| <a class="jxr_linenumber" name="L402" href="#L402">402</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L403" href="#L403">403</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> oddParity(byte[] bytes) { |
| <a class="jxr_linenumber" name="L404" href="#L404">404</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < bytes.length; i++) { |
| <a class="jxr_linenumber" name="L405" href="#L405">405</a> byte b = bytes[i]; |
| <a class="jxr_linenumber" name="L406" href="#L406">406</a> <strong class="jxr_keyword">boolean</strong> needsParity = (((b >>> 7) ^ (b >>> 6) ^ (b >>> 5) ^ (b >>> 4) ^ (b >>> 3) ^ (b >>> 2) ^ (b >>> 1)) & 0x01) == 0; |
| <a class="jxr_linenumber" name="L407" href="#L407">407</a> |
| <a class="jxr_linenumber" name="L408" href="#L408">408</a> <strong class="jxr_keyword">if</strong> (needsParity) { |
| <a class="jxr_linenumber" name="L409" href="#L409">409</a> bytes[i] |= (byte) 0x01; |
| <a class="jxr_linenumber" name="L410" href="#L410">410</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="L411" href="#L411">411</a> bytes[i] &= (byte) 0xfe; |
| <a class="jxr_linenumber" name="L412" href="#L412">412</a> } |
| <a class="jxr_linenumber" name="L413" href="#L413">413</a> } |
| <a class="jxr_linenumber" name="L414" href="#L414">414</a> } |
| <a class="jxr_linenumber" name="L415" href="#L415">415</a> } |
| </pre> |
| <hr/> |
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