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 <span id="projectnumber">7.0</span>
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<div class="title">xtrcrypt.cpp</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// xtrcrypt.cpp - originally written and placed in the public domain by Wei Dai</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> </div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="preprocessor">#include "<a class="code" href="pch_8h.html">pch.h</a>"</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> </div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include "<a class="code" href="asn_8h.html">asn.h</a>"</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include "<a class="code" href="integer_8h.html">integer.h</a>"</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include "<a class="code" href="xtrcrypt_8h.html">xtrcrypt.h</a>"</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include "<a class="code" href="nbtheory_8h.html">nbtheory.h</a>"</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include "<a class="code" href="modarith_8h.html">modarith.h</a>"</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "<a class="code" href="argnames_8h.html">argnames.h</a>"</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> NAMESPACE_BEGIN(<a class="code" href="namespace_crypto_p_p.html">CryptoPP</a>)</div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> XTR_DH::XTR_DH(<span class="keyword">const</span> <a class="code" href="class_integer.html">Integer</a> &p, <span class="keyword">const</span> <a class="code" href="class_integer.html">Integer</a> &q, <span class="keyword">const</span> <a class="code" href="class_g_f_p2_element.html">GFP2Element</a> &g)</div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  : m_p(p), m_q(q), m_g(g)</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> }</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> XTR_DH::XTR_DH(<a class="code" href="class_random_number_generator.html">RandomNumberGenerator</a> &rng, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pbits, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> qbits)</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> {</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <a class="code" href="xtr_8h.html#a23d746486b6db0723743846ee363f82c">XTR_FindPrimesAndGenerator</a>(rng, m_p, m_q, m_g, pbits, qbits);</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> }</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> XTR_DH::XTR_DH(<a class="code" href="class_buffered_transformation.html">BufferedTransformation</a> &bt)</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> {</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <a class="code" href="class_b_e_r_sequence_decoder.html">BERSequenceDecoder</a> seq(bt);</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  m_p.<a class="code" href="class_integer.html#a810fc0382f8928893fe192ab79b1972c">BERDecode</a>(seq);</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  m_q.<a class="code" href="class_integer.html#a810fc0382f8928893fe192ab79b1972c">BERDecode</a>(seq);</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  m_g.c1.<a class="code" href="class_integer.html#a810fc0382f8928893fe192ab79b1972c">BERDecode</a>(seq);</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  m_g.c2.<a class="code" href="class_integer.html#a810fc0382f8928893fe192ab79b1972c">BERDecode</a>(seq);</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  seq.MessageEnd();</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> }</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="keywordtype">void</span> XTR_DH::DEREncode(<a class="code" href="class_buffered_transformation.html">BufferedTransformation</a> &bt)<span class="keyword"> const</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword"></span>{</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <a class="code" href="class_d_e_r_sequence_encoder.html">DERSequenceEncoder</a> seq(bt);</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  m_p.<a class="code" href="class_integer.html#a0671bd1dbe49e2eecdaaa65ffcb5b6ec">DEREncode</a>(seq);</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  m_q.<a class="code" href="class_integer.html#a0671bd1dbe49e2eecdaaa65ffcb5b6ec">DEREncode</a>(seq);</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  m_g.c1.<a class="code" href="class_integer.html#a0671bd1dbe49e2eecdaaa65ffcb5b6ec">DEREncode</a>(seq);</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  m_g.c2.<a class="code" href="class_integer.html#a0671bd1dbe49e2eecdaaa65ffcb5b6ec">DEREncode</a>(seq);</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  seq.MessageEnd();</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> }</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div><div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="class_x_t_r___d_h.html#a27c92e572df6e8c1cf73a88d72e8dba5"> 44</a></span> <span class="keywordtype">bool</span> <a class="code" href="class_x_t_r___d_h.html#a27c92e572df6e8c1cf73a88d72e8dba5">XTR_DH::Validate</a>(<a class="code" href="class_random_number_generator.html">RandomNumberGenerator</a> &rng, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> level)<span class="keyword"> const</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword"></span>{</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordtype">bool</span> pass = <span class="keyword">true</span>;</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  pass = pass && m_p > <a class="code" href="class_integer.html#a8c070592581bf6c2f928c72bfa1c1638">Integer::One</a>() && m_p.<a class="code" href="class_integer.html#aed4bb7208a18b986ef3e1a7d92e06d1d">IsOdd</a>();</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <a class="code" href="trap_8h.html#adf3b392588bc94cbeae9f415a78c7b95">CRYPTOPP_ASSERT</a>(pass);</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  pass = pass && m_q > <a class="code" href="class_integer.html#a8c070592581bf6c2f928c72bfa1c1638">Integer::One</a>() && m_q.<a class="code" href="class_integer.html#aed4bb7208a18b986ef3e1a7d92e06d1d">IsOdd</a>();</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <a class="code" href="trap_8h.html#adf3b392588bc94cbeae9f415a78c7b95">CRYPTOPP_ASSERT</a>(pass);</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <a class="code" href="class_g_f_p2_element.html">GFP2Element</a> three = <a class="code" href="class_g_f_p2___o_n_b.html">GFP2_ONB<ModularArithmetic></a>(m_p).ConvertIn(3);</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <a class="code" href="trap_8h.html#adf3b392588bc94cbeae9f415a78c7b95">CRYPTOPP_ASSERT</a>(pass);</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  pass = pass && !(m_g.c1.<a class="code" href="class_integer.html#ad767ae81c89be3804da8785e132d2d1f">IsNegative</a>() || m_g.c2.<a class="code" href="class_integer.html#ad767ae81c89be3804da8785e132d2d1f">IsNegative</a>() || m_g.c1 >= m_p || m_g.c2 >= m_p || m_g == three);</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <a class="code" href="trap_8h.html#adf3b392588bc94cbeae9f415a78c7b95">CRYPTOPP_ASSERT</a>(pass);</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordflow">if</span> (level >= 1)</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>  pass = pass && ((m_p.<a class="code" href="class_integer.html#a7b5e639045868c5ac338f4180e1c7efa">Squared</a>()-m_p+1)%m_q).IsZero();</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <a class="code" href="trap_8h.html#adf3b392588bc94cbeae9f415a78c7b95">CRYPTOPP_ASSERT</a>(pass);</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  }</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">if</span> (level >= 2)</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  {</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  pass = pass && <a class="code" href="nbtheory_8h.html#a633d17045e229eccc3614426df054463">VerifyPrime</a>(rng, m_p, level-2) && <a class="code" href="nbtheory_8h.html#a633d17045e229eccc3614426df054463">VerifyPrime</a>(rng, m_q, level-2);</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <a class="code" href="trap_8h.html#adf3b392588bc94cbeae9f415a78c7b95">CRYPTOPP_ASSERT</a>(pass);</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  pass = pass && XTR_Exponentiate(m_g, (m_p.<a class="code" href="class_integer.html#a7b5e639045868c5ac338f4180e1c7efa">Squared</a>()-m_p+1)/m_q, m_p) != three;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <a class="code" href="trap_8h.html#adf3b392588bc94cbeae9f415a78c7b95">CRYPTOPP_ASSERT</a>(pass);</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  pass = pass && XTR_Exponentiate(m_g, m_q, m_p) == three;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <a class="code" href="trap_8h.html#adf3b392588bc94cbeae9f415a78c7b95">CRYPTOPP_ASSERT</a>(pass);</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>  <span class="keywordflow">return</span> pass;</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> }</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div><div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="class_x_t_r___d_h.html#a41e669f90c0ebac35f3a40d08d3cb84d"> 72</a></span> <span class="keywordtype">bool</span> <a class="code" href="class_x_t_r___d_h.html#a41e669f90c0ebac35f3a40d08d3cb84d">XTR_DH::GetVoidValue</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *name, <span class="keyword">const</span> std::type_info &valueType, <span class="keywordtype">void</span> *pValue)<span class="keyword"> const</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="keyword"></span>{</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">return</span> GetValueHelper(<span class="keyword">this</span>, name, valueType, pValue).Assignable()</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  CRYPTOPP_GET_FUNCTION_ENTRY(<a class="code" href="namespace_name.html#a7e07afb1cbb505fa8cf1b93e67f4782d">Modulus</a>)</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  CRYPTOPP_GET_FUNCTION_ENTRY(<a class="code" href="namespace_name.html#a888cb347b5762b9b0fa41f21945b4699">SubgroupOrder</a>)</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  CRYPTOPP_GET_FUNCTION_ENTRY(<a class="code" href="namespace_name.html#a0cfc362921ffb9f47ca495f6ed9fb6e0">SubgroupGenerator</a>)</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  ;</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> </div><div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="class_x_t_r___d_h.html#af2456cb49f5b36edaaef3c0cae25a775"> 81</a></span> <span class="keywordtype">void</span> <a class="code" href="class_x_t_r___d_h.html#af2456cb49f5b36edaaef3c0cae25a775">XTR_DH::AssignFrom</a>(<span class="keyword">const</span> <a class="code" href="class_name_value_pairs.html">NameValuePairs</a> &source)</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>  AssignFromHelper(<span class="keyword">this</span>, source)</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  CRYPTOPP_SET_FUNCTION_ENTRY(<a class="code" href="namespace_name.html#a7e07afb1cbb505fa8cf1b93e67f4782d">Modulus</a>)</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  CRYPTOPP_SET_FUNCTION_ENTRY(<a class="code" href="namespace_name.html#a888cb347b5762b9b0fa41f21945b4699">SubgroupOrder</a>)</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  CRYPTOPP_SET_FUNCTION_ENTRY(<a class="code" href="namespace_name.html#a0cfc362921ffb9f47ca495f6ed9fb6e0">SubgroupGenerator</a>)</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> }</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div><div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="class_x_t_r___d_h.html#af70e7ee55d4a4077019fa32942d37175"> 90</a></span> <span class="keywordtype">void</span> <a class="code" href="class_x_t_r___d_h.html#af70e7ee55d4a4077019fa32942d37175">XTR_DH::GeneratePrivateKey</a>(<a class="code" href="class_random_number_generator.html">RandomNumberGenerator</a> &rng, byte *privateKey)<span class="keyword"> const</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="keyword"></span>{</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <a class="code" href="class_integer.html">Integer</a> x(rng, <a class="code" href="class_integer.html#a19b7e6d48b1b57bd4846160ea2928175">Integer::Zero</a>(), m_q-1);</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  x.Encode(privateKey, <a class="code" href="class_x_t_r___d_h.html#ae3f6c87695d27b57f218daa0a7a19a6b">PrivateKeyLength</a>());</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</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"><a class="line" href="class_x_t_r___d_h.html#afcfd324a874148e36b78b675ad5499ac"> 96</a></span> <span class="keywordtype">void</span> <a class="code" href="class_x_t_r___d_h.html#afcfd324a874148e36b78b675ad5499ac">XTR_DH::GeneratePublicKey</a>(<a class="code" href="class_random_number_generator.html">RandomNumberGenerator</a> &rng, <span class="keyword">const</span> byte *privateKey, byte *publicKey)<span class="keyword"> const</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="keyword"></span>{</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  CRYPTOPP_UNUSED(rng);</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <a class="code" href="class_integer.html">Integer</a> x(privateKey, <a class="code" href="class_x_t_r___d_h.html#ae3f6c87695d27b57f218daa0a7a19a6b">PrivateKeyLength</a>());</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <a class="code" href="class_g_f_p2_element.html">GFP2Element</a> y = XTR_Exponentiate(m_g, x, m_p);</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  y.Encode(publicKey, <a class="code" href="class_x_t_r___d_h.html#ad8086f9959a856e7c1279b18af566b6c">PublicKeyLength</a>());</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> }</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div><div class="line"><a name="l00104"></a><span class="lineno"><a class="line" href="class_x_t_r___d_h.html#a260b984bb13e082f22a6fabfe5671d2d"> 104</a></span> <span class="keywordtype">bool</span> <a class="code" href="class_x_t_r___d_h.html#a260b984bb13e082f22a6fabfe5671d2d">XTR_DH::Agree</a>(byte *agreedValue, <span class="keyword">const</span> byte *privateKey, <span class="keyword">const</span> byte *otherPublicKey, <span class="keywordtype">bool</span> validateOtherPublicKey)<span class="keyword"> const</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="keyword"></span>{</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <a class="code" href="class_g_f_p2_element.html">GFP2Element</a> w(otherPublicKey, <a class="code" href="class_x_t_r___d_h.html#ad8086f9959a856e7c1279b18af566b6c">PublicKeyLength</a>());</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">if</span> (validateOtherPublicKey)</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>  <a class="code" href="class_g_f_p2___o_n_b.html">GFP2_ONB<ModularArithmetic></a> gfp2(m_p);</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <a class="code" href="class_g_f_p2_element.html">GFP2Element</a> three = gfp2.ConvertIn(3);</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">if</span> (w.c1.<a class="code" href="class_integer.html#ad767ae81c89be3804da8785e132d2d1f">IsNegative</a>() || w.c2.<a class="code" href="class_integer.html#ad767ae81c89be3804da8785e132d2d1f">IsNegative</a>() || w.c1 >= m_p || w.c2 >= m_p || w == three)</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">if</span> (XTR_Exponentiate(w, m_q, m_p) != three)</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  }</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <a class="code" href="class_integer.html">Integer</a> s(privateKey, <a class="code" href="class_x_t_r___d_h.html#ae3f6c87695d27b57f218daa0a7a19a6b">PrivateKeyLength</a>());</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <a class="code" href="class_g_f_p2_element.html">GFP2Element</a> z = XTR_Exponentiate(w, s, m_p);</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  z.Encode(agreedValue, <a class="code" href="class_x_t_r___d_h.html#a68d30b38dde37f451a539d0d1907408d">AgreedValueLength</a>());</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> }</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> NAMESPACE_END</div><div class="ttc" id="class_x_t_r___d_h_html_a260b984bb13e082f22a6fabfe5671d2d"><div class="ttname"><a href="class_x_t_r___d_h.html#a260b984bb13e082f22a6fabfe5671d2d">XTR_DH::Agree</a></div><div class="ttdeci">bool Agree(byte *agreedValue, const byte *privateKey, const byte *otherPublicKey, bool validateOtherPublicKey=true) const</div><div class="ttdoc">Derive agreed value. </div><div class="ttdef"><b>Definition:</b> <a href="xtrcrypt_8cpp_source.html#l00104">xtrcrypt.cpp:104</a></div></div>
<div class="ttc" id="argnames_8h_html"><div class="ttname"><a href="argnames_8h.html">argnames.h</a></div><div class="ttdoc">Standard names for retrieving values by name when working with NameValuePairs. </div></div>
<div class="ttc" id="class_x_t_r___d_h_html_a41e669f90c0ebac35f3a40d08d3cb84d"><div class="ttname"><a href="class_x_t_r___d_h.html#a41e669f90c0ebac35f3a40d08d3cb84d">XTR_DH::GetVoidValue</a></div><div class="ttdeci">bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const</div><div class="ttdoc">Get a named value. </div><div class="ttdef"><b>Definition:</b> <a href="xtrcrypt_8cpp_source.html#l00072">xtrcrypt.cpp:72</a></div></div>
<div class="ttc" id="class_integer_html_a0671bd1dbe49e2eecdaaa65ffcb5b6ec"><div class="ttname"><a href="class_integer.html#a0671bd1dbe49e2eecdaaa65ffcb5b6ec">Integer::DEREncode</a></div><div class="ttdeci">void DEREncode(BufferedTransformation &bt) const</div><div class="ttdoc">Encode in DER format. </div><div class="ttdef"><b>Definition:</b> <a href="integer_8cpp_source.html#l03405">integer.cpp:3405</a></div></div>
<div class="ttc" id="class_x_t_r___d_h_html_af2456cb49f5b36edaaef3c0cae25a775"><div class="ttname"><a href="class_x_t_r___d_h.html#af2456cb49f5b36edaaef3c0cae25a775">XTR_DH::AssignFrom</a></div><div class="ttdeci">void AssignFrom(const NameValuePairs &source)</div><div class="ttdoc">Assign values to this object. </div><div class="ttdef"><b>Definition:</b> <a href="xtrcrypt_8cpp_source.html#l00081">xtrcrypt.cpp:81</a></div></div>
<div class="ttc" id="class_integer_html_ad767ae81c89be3804da8785e132d2d1f"><div class="ttname"><a href="class_integer.html#ad767ae81c89be3804da8785e132d2d1f">Integer::IsNegative</a></div><div class="ttdeci">bool IsNegative() const</div><div class="ttdoc">Determines if the Integer is negative. </div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00336">integer.h:336</a></div></div>
<div class="ttc" id="class_random_number_generator_html"><div class="ttname"><a href="class_random_number_generator.html">RandomNumberGenerator</a></div><div class="ttdoc">Interface for random number generators. </div><div class="ttdef"><b>Definition:</b> <a href="cryptlib_8h_source.html#l01330">cryptlib.h:1330</a></div></div>
<div class="ttc" id="class_x_t_r___d_h_html_a27c92e572df6e8c1cf73a88d72e8dba5"><div class="ttname"><a href="class_x_t_r___d_h.html#a27c92e572df6e8c1cf73a88d72e8dba5">XTR_DH::Validate</a></div><div class="ttdeci">bool Validate(RandomNumberGenerator &rng, unsigned int level) const</div><div class="ttdoc">Check this object for errors. </div><div class="ttdef"><b>Definition:</b> <a href="xtrcrypt_8cpp_source.html#l00044">xtrcrypt.cpp:44</a></div></div>
<div class="ttc" id="class_b_e_r_sequence_decoder_html"><div class="ttname"><a href="class_b_e_r_sequence_decoder.html">BERSequenceDecoder</a></div><div class="ttdoc">BER Sequence Decoder. </div><div class="ttdef"><b>Definition:</b> <a href="asn_8h_source.html#l00305">asn.h:305</a></div></div>
<div class="ttc" id="class_x_t_r___d_h_html_a68d30b38dde37f451a539d0d1907408d"><div class="ttname"><a href="class_x_t_r___d_h.html#a68d30b38dde37f451a539d0d1907408d">XTR_DH::AgreedValueLength</a></div><div class="ttdeci">unsigned int AgreedValueLength() const</div><div class="ttdoc">Provides the size of the agreed value. </div><div class="ttdef"><b>Definition:</b> <a href="xtrcrypt_8h_source.html#l00030">xtrcrypt.h:30</a></div></div>
<div class="ttc" id="class_buffered_transformation_html"><div class="ttname"><a href="class_buffered_transformation.html">BufferedTransformation</a></div><div class="ttdoc">Interface for buffered transformations. </div><div class="ttdef"><b>Definition:</b> <a href="cryptlib_8h_source.html#l01545">cryptlib.h:1545</a></div></div>
<div class="ttc" id="class_integer_html_a8c070592581bf6c2f928c72bfa1c1638"><div class="ttname"><a href="class_integer.html#a8c070592581bf6c2f928c72bfa1c1638">Integer::One</a></div><div class="ttdeci">static const Integer & One()</div><div class="ttdoc">Integer representing 1. </div><div class="ttdef"><b>Definition:</b> <a href="integer_8cpp_source.html#l04824">integer.cpp:4824</a></div></div>
<div class="ttc" id="class_g_f_p2_element_html"><div class="ttname"><a href="class_g_f_p2_element.html">GFP2Element</a></div><div class="ttdoc">an element of GF(p^2) </div><div class="ttdef"><b>Definition:</b> <a href="xtr_8h_source.html#l00016">xtr.h:16</a></div></div>
<div class="ttc" id="nbtheory_8h_html_a633d17045e229eccc3614426df054463"><div class="ttname"><a href="nbtheory_8h.html#a633d17045e229eccc3614426df054463">VerifyPrime</a></div><div class="ttdeci">bool VerifyPrime(RandomNumberGenerator &rng, const Integer &p, unsigned int level=1)</div><div class="ttdoc">Verifies a number is probably prime. </div><div class="ttdef"><b>Definition:</b> <a href="nbtheory_8cpp_source.html#l00247">nbtheory.cpp:247</a></div></div>
<div class="ttc" id="class_x_t_r___d_h_html_afcfd324a874148e36b78b675ad5499ac"><div class="ttname"><a href="class_x_t_r___d_h.html#afcfd324a874148e36b78b675ad5499ac">XTR_DH::GeneratePublicKey</a></div><div class="ttdeci">void GeneratePublicKey(RandomNumberGenerator &rng, const byte *privateKey, byte *publicKey) const</div><div class="ttdoc">Generate a public key from a private key in this domain. </div><div class="ttdef"><b>Definition:</b> <a href="xtrcrypt_8cpp_source.html#l00096">xtrcrypt.cpp:96</a></div></div>
<div class="ttc" id="class_integer_html"><div class="ttname"><a href="class_integer.html">Integer</a></div><div class="ttdoc">Multiple precision integer with arithmetic operations. </div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00049">integer.h:49</a></div></div>
<div class="ttc" id="pch_8h_html"><div class="ttname"><a href="pch_8h.html">pch.h</a></div><div class="ttdoc">Precompiled header file. </div></div>
<div class="ttc" id="class_x_t_r___d_h_html_af70e7ee55d4a4077019fa32942d37175"><div class="ttname"><a href="class_x_t_r___d_h.html#af70e7ee55d4a4077019fa32942d37175">XTR_DH::GeneratePrivateKey</a></div><div class="ttdeci">void GeneratePrivateKey(RandomNumberGenerator &rng, byte *privateKey) const</div><div class="ttdoc">Generate private key in this domain. </div><div class="ttdef"><b>Definition:</b> <a href="xtrcrypt_8cpp_source.html#l00090">xtrcrypt.cpp:90</a></div></div>
<div class="ttc" id="namespace_name_html_a0cfc362921ffb9f47ca495f6ed9fb6e0"><div class="ttname"><a href="namespace_name.html#a0cfc362921ffb9f47ca495f6ed9fb6e0">Name::SubgroupGenerator</a></div><div class="ttdeci">const char * SubgroupGenerator()</div><div class="ttdoc">Integer, ECP::Point, or EC2N::Point. </div><div class="ttdef"><b>Definition:</b> <a href="argnames_8h_source.html#l00039">argnames.h:39</a></div></div>
<div class="ttc" id="trap_8h_html_adf3b392588bc94cbeae9f415a78c7b95"><div class="ttname"><a href="trap_8h.html#adf3b392588bc94cbeae9f415a78c7b95">CRYPTOPP_ASSERT</a></div><div class="ttdeci">#define CRYPTOPP_ASSERT(exp)</div><div class="ttdoc">Debugging and diagnostic assertion. </div><div class="ttdef"><b>Definition:</b> <a href="trap_8h_source.html#l00060">trap.h:60</a></div></div>
<div class="ttc" id="asn_8h_html"><div class="ttname"><a href="asn_8h.html">asn.h</a></div><div class="ttdoc">Classes and functions for working with ANS.1 objects. </div></div>
<div class="ttc" id="nbtheory_8h_html"><div class="ttname"><a href="nbtheory_8h.html">nbtheory.h</a></div><div class="ttdoc">Classes and functions for number theoretic operations. </div></div>
<div class="ttc" id="class_d_e_r_sequence_encoder_html"><div class="ttname"><a href="class_d_e_r_sequence_encoder.html">DERSequenceEncoder</a></div><div class="ttdoc">DER Sequence Encoder. </div><div class="ttdef"><b>Definition:</b> <a href="asn_8h_source.html#l00315">asn.h:315</a></div></div>
<div class="ttc" id="xtrcrypt_8h_html"><div class="ttname"><a href="xtrcrypt_8h.html">xtrcrypt.h</a></div><div class="ttdoc">XTR public key system. </div></div>
<div class="ttc" id="class_integer_html_a7b5e639045868c5ac338f4180e1c7efa"><div class="ttname"><a href="class_integer.html#a7b5e639045868c5ac338f4180e1c7efa">Integer::Squared</a></div><div class="ttdeci">Integer Squared() const</div><div class="ttdoc">Multiply this integer by itself. </div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00609">integer.h:609</a></div></div>
<div class="ttc" id="class_x_t_r___d_h_html_ad8086f9959a856e7c1279b18af566b6c"><div class="ttname"><a href="class_x_t_r___d_h.html#ad8086f9959a856e7c1279b18af566b6c">XTR_DH::PublicKeyLength</a></div><div class="ttdeci">unsigned int PublicKeyLength() const</div><div class="ttdoc">Provides the size of the public key. </div><div class="ttdef"><b>Definition:</b> <a href="xtrcrypt_8h_source.html#l00032">xtrcrypt.h:32</a></div></div>
<div class="ttc" id="namespace_name_html_a7e07afb1cbb505fa8cf1b93e67f4782d"><div class="ttname"><a href="namespace_name.html#a7e07afb1cbb505fa8cf1b93e67f4782d">Name::Modulus</a></div><div class="ttdeci">const char * Modulus()</div><div class="ttdoc">Integer. </div><div class="ttdef"><b>Definition:</b> <a href="argnames_8h_source.html#l00033">argnames.h:33</a></div></div>
<div class="ttc" id="class_x_t_r___d_h_html_ae3f6c87695d27b57f218daa0a7a19a6b"><div class="ttname"><a href="class_x_t_r___d_h.html#ae3f6c87695d27b57f218daa0a7a19a6b">XTR_DH::PrivateKeyLength</a></div><div class="ttdeci">unsigned int PrivateKeyLength() const</div><div class="ttdoc">Provides the size of the private key. </div><div class="ttdef"><b>Definition:</b> <a href="xtrcrypt_8h_source.html#l00031">xtrcrypt.h:31</a></div></div>
<div class="ttc" id="integer_8h_html"><div class="ttname"><a href="integer_8h.html">integer.h</a></div><div class="ttdoc">Multiple precision integer with arithmetic operations. </div></div>
<div class="ttc" id="class_integer_html_a19b7e6d48b1b57bd4846160ea2928175"><div class="ttname"><a href="class_integer.html#a19b7e6d48b1b57bd4846160ea2928175">Integer::Zero</a></div><div class="ttdeci">static const Integer & Zero()</div><div class="ttdoc">Integer representing 0. </div><div class="ttdef"><b>Definition:</b> <a href="integer_8cpp_source.html#l04812">integer.cpp:4812</a></div></div>
<div class="ttc" id="class_integer_html_a810fc0382f8928893fe192ab79b1972c"><div class="ttname"><a href="class_integer.html#a810fc0382f8928893fe192ab79b1972c">Integer::BERDecode</a></div><div class="ttdeci">void BERDecode(const byte *input, size_t inputLen)</div><div class="ttdoc">Decode from BER format. </div><div class="ttdef"><b>Definition:</b> <a href="integer_8cpp_source.html#l03412">integer.cpp:3412</a></div></div>
<div class="ttc" id="modarith_8h_html"><div class="ttname"><a href="modarith_8h.html">modarith.h</a></div><div class="ttdoc">Class file for performing modular arithmetic. </div></div>
<div class="ttc" id="namespace_crypto_p_p_html"><div class="ttname"><a href="namespace_crypto_p_p.html">CryptoPP</a></div><div class="ttdoc">Crypto++ library namespace. </div></div>
<div class="ttc" id="class_g_f_p2___o_n_b_html"><div class="ttname"><a href="class_g_f_p2___o_n_b.html">GFP2_ONB</a></div><div class="ttdoc">GF(p^2), optimal normal basis. </div><div class="ttdef"><b>Definition:</b> <a href="xtr_8h_source.html#l00046">xtr.h:46</a></div></div>
<div class="ttc" id="namespace_name_html_a888cb347b5762b9b0fa41f21945b4699"><div class="ttname"><a href="namespace_name.html#a888cb347b5762b9b0fa41f21945b4699">Name::SubgroupOrder</a></div><div class="ttdeci">const char * SubgroupOrder()</div><div class="ttdoc">Integer. </div><div class="ttdef"><b>Definition:</b> <a href="argnames_8h_source.html#l00037">argnames.h:37</a></div></div>
<div class="ttc" id="xtr_8h_html_a23d746486b6db0723743846ee363f82c"><div class="ttname"><a href="xtr_8h.html#a23d746486b6db0723743846ee363f82c">XTR_FindPrimesAndGenerator</a></div><div class="ttdeci">void XTR_FindPrimesAndGenerator(RandomNumberGenerator &rng, Integer &p, Integer &q, GFP2Element &g, unsigned int pbits, unsigned int qbits)</div><div class="ttdoc">Creates primes p,q and generator g for XTR. </div><div class="ttdef"><b>Definition:</b> <a href="xtr_8cpp_source.html#l00019">xtr.cpp:19</a></div></div>
<div class="ttc" id="class_integer_html_aed4bb7208a18b986ef3e1a7d92e06d1d"><div class="ttname"><a href="class_integer.html#aed4bb7208a18b986ef3e1a7d92e06d1d">Integer::IsOdd</a></div><div class="ttdeci">bool IsOdd() const</div><div class="ttdoc">Determines if the Integer is odd parity. </div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00351">integer.h:351</a></div></div>
<div class="ttc" id="class_name_value_pairs_html"><div class="ttname"><a href="class_name_value_pairs.html">NameValuePairs</a></div><div class="ttdoc">Interface for retrieving values given their names. </div><div class="ttdef"><b>Definition:</b> <a href="cryptlib_8h_source.html#l00290">cryptlib.h:290</a></div></div>
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