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<div id="projectname">apt
 <span id="projectnumber">1.4.6</span>
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<div id="projectbrief">commandline package manager</div>
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<li class="navelem"><a class="el" href="dir_18f22d4be2ca84c350e120b6506056ca.xhtml">apt-pkg</a></li><li class="navelem"><a class="el" href="dir_c6ef23f15b074dcedf6810e24f2a7676.xhtml">contrib</a></li> </ul>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// -*- mode: cpp; mode: fold -*-</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Description /*{{{*/</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// $Id: sha512.h,v 1.3 2001/05/07 05:05:47 jgg Exp $</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">/* ######################################################################</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"></span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> SHA{512,256}SumValue - Storage for a SHA-{512,256} hash.</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> SHA{512,256}Summation - SHA-{512,256} Secure Hash Algorithm.</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> </span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> This is a C++ interface to a set of SHA{512,256}Sum functions, that mirrors</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> the equivalent MD5 & SHA1 classes. </span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"></span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> ##################################################################### */</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  <span class="comment">/*}}}*/</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#ifndef APTPKG_SHA2_H</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#define APTPKG_SHA2_H</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <cstring></span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "sha2_internal.h"</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "hashsum_template.h"</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#ifndef APT_10_CLEANER_HEADERS</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <algorithm></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <stdint.h></span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">typedef</span> <a class="code" href="classHashSumValue.xhtml">HashSumValue<512></a> <a class="code" href="classHashSumValue.xhtml">SHA512SumValue</a>;</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">typedef</span> <a class="code" href="classHashSumValue.xhtml">HashSumValue<256></a> <a class="code" href="classHashSumValue.xhtml">SHA256SumValue</a>;</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div><div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="classSHA2SummationBase.xhtml"> 32</a></span> <span class="keyword">class </span><a class="code" href="classSHA2SummationBase.xhtml">SHA2SummationBase</a> : <span class="keyword">public</span> <a class="code" href="classSummationImplementation.xhtml">SummationImplementation</a></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> {</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keyword">protected</span>:</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordtype">bool</span> Done;</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordtype">bool</span> Add(<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *inbuf, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span> len) APT_OVERRIDE APT_NONNULL(2) = 0;</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordtype">void</span> Result();</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> };</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div><div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="classSHA256Summation.xhtml"> 42</a></span> <span class="keyword">class </span><a class="code" href="classSHA256Summation.xhtml">SHA256Summation</a> : <span class="keyword">public</span> <a class="code" href="classSHA2SummationBase.xhtml">SHA2SummationBase</a></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> {</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <a class="code" href="struct__SHA256__CTX.xhtml">SHA256_CTX</a> ctx;</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> Sum[32];</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordtype">bool</span> Add(<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *inbuf, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span> len) APT_OVERRIDE APT_NONNULL(2)</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  {</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">if</span> (Done) </div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  SHA256_Update(&ctx, inbuf, len);</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  };</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">using</span> SummationImplementation::Add;</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <a class="code" href="classHashSumValue.xhtml">SHA256SumValue</a> Result()</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  {</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">if</span> (!Done) {</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  SHA256_Final(Sum, &ctx);</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  Done = <span class="keyword">true</span>;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  }</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <a class="code" href="classHashSumValue.xhtml">SHA256SumValue</a> res;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  res.Set(Sum);</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  };</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <a class="code" href="classSHA256Summation.xhtml">SHA256Summation</a>()</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  {</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  SHA256_Init(&ctx);</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  Done = <span class="keyword">false</span>;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  memset(&Sum, 0, <span class="keyword">sizeof</span>(Sum));</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  };</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> };</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div><div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="classSHA512Summation.xhtml"> 75</a></span> <span class="keyword">class </span><a class="code" href="classSHA512Summation.xhtml">SHA512Summation</a> : <span class="keyword">public</span> <a class="code" href="classSHA2SummationBase.xhtml">SHA2SummationBase</a></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> {</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <a class="code" href="struct__SHA512__CTX.xhtml">SHA512_CTX</a> ctx;</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> Sum[64];</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordtype">bool</span> Add(<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *inbuf, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span> len) APT_OVERRIDE APT_NONNULL(2)</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  {</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">if</span> (Done) </div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  SHA512_Update(&ctx, inbuf, len);</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  };</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keyword">using</span> SummationImplementation::Add;</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <a class="code" href="classHashSumValue.xhtml">SHA512SumValue</a> Result()</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  {</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">if</span> (!Done) {</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  SHA512_Final(Sum, &ctx);</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  Done = <span class="keyword">true</span>;</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  }</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <a class="code" href="classHashSumValue.xhtml">SHA512SumValue</a> res;</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  res.Set(Sum);</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  };</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <a class="code" href="classSHA512Summation.xhtml">SHA512Summation</a>()</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  {</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  SHA512_Init(&ctx);</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  Done = <span class="keyword">false</span>;</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  memset(&Sum, 0, <span class="keyword">sizeof</span>(Sum));</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  };</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> };</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="classSHA512Summation_xhtml"><div class="ttname"><a href="classSHA512Summation.xhtml">SHA512Summation</a></div><div class="ttdef"><b>Definition:</b> sha2.h:75</div></div>
<div class="ttc" id="struct__SHA512__CTX_xhtml"><div class="ttname"><a href="struct__SHA512__CTX.xhtml">_SHA512_CTX</a></div><div class="ttdef"><b>Definition:</b> sha2_internal.h:111</div></div>
<div class="ttc" id="classSummationImplementation_xhtml"><div class="ttname"><a href="classSummationImplementation.xhtml">SummationImplementation</a></div><div class="ttdef"><b>Definition:</b> hashsum_template.h:122</div></div>
<div class="ttc" id="classSHA2SummationBase_xhtml"><div class="ttname"><a href="classSHA2SummationBase.xhtml">SHA2SummationBase</a></div><div class="ttdef"><b>Definition:</b> sha2.h:32</div></div>
<div class="ttc" id="classSHA256Summation_xhtml"><div class="ttname"><a href="classSHA256Summation.xhtml">SHA256Summation</a></div><div class="ttdef"><b>Definition:</b> sha2.h:42</div></div>
<div class="ttc" id="classHashSumValue_xhtml"><div class="ttname"><a href="classHashSumValue.xhtml">HashSumValue</a></div><div class="ttdef"><b>Definition:</b> hashsum_template.h:35</div></div>
<div class="ttc" id="struct__SHA256__CTX_xhtml"><div class="ttname"><a href="struct__SHA256__CTX.xhtml">_SHA256_CTX</a></div><div class="ttdef"><b>Definition:</b> sha2_internal.h:106</div></div>
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