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<a href="field__impl_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/**********************************************************************</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (c) 2013, 2014 Pieter Wuille *</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Distributed under the MIT software license, see the accompanying *</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * file COPYING or http://www.opensource.org/licenses/mit-license.php.*</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> </div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#ifndef _SECP256K1_FIELD_IMPL_H_</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#define _SECP256K1_FIELD_IMPL_H_</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#if defined HAVE_CONFIG_H</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "<a class="code" href="libsecp256k1-config_8h.html">libsecp256k1-config.h</a>"</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#endif</span></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> <span class="preprocessor">#include "<a class="code" href="secp256k1_2src_2util_8h.html">util.h</a>"</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#if defined(USE_FIELD_10X26)</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include "<a class="code" href="field__10x26__impl_8h.html">field_10x26_impl.h</a>"</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#elif defined(USE_FIELD_5X52)</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "<a class="code" href="field__5x52__impl_8h.html">field_5x52_impl.h</a>"</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#error "Please select field implementation"</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#endif</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"><a class="line" href="field__impl_8h.html#a33b925095ff0c60cd468d5a91d3ec788"> 24</a></span> <a class="code" href="secp256k1_8h.html#a7ddc487fd46aee88f21cabedb7268b1e">SECP256K1_INLINE</a> <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="field__impl_8h.html#a33b925095ff0c60cd468d5a91d3ec788">secp256k1_fe_equal_var</a>(<span class="keyword">const</span> <a class="code" href="structsecp256k1__fe.html">secp256k1_fe</a> *a, <span class="keyword">const</span> <a class="code" href="structsecp256k1__fe.html">secp256k1_fe</a> *b) {</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <a class="code" href="structsecp256k1__fe.html">secp256k1_fe</a> na;</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <a class="code" href="field_8h.html#a4543ff08a66fc870acd56c921f2b30f7">secp256k1_fe_negate</a>(&na, a, 1);</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <a class="code" href="field_8h.html#a7512f80b60598e4af89c004890880fc7">secp256k1_fe_add</a>(&na, b);</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keywordflow">return</span> <a class="code" href="field_8h.html#a67adb176b8e6efd2d2475a9d0a199e18">secp256k1_fe_normalizes_to_zero_var</a>(&na);</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> }</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="field__impl_8h.html#adeed9551ce946187f98c5e3d789e9575"> 31</a></span> <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="field__impl_8h.html#adeed9551ce946187f98c5e3d789e9575">secp256k1_fe_sqrt_var</a>(<a class="code" href="structsecp256k1__fe.html">secp256k1_fe</a> *r, <span class="keyword">const</span> <a class="code" href="structsecp256k1__fe.html">secp256k1_fe</a> *a) {</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <a class="code" href="structsecp256k1__fe.html">secp256k1_fe</a> x2, x3, x6, x9, x11, x22, x44, x88, x176, x220, x223, t1;</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordtype">int</span> j;</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <a class="code" href="field_8h.html#a6cbe550ca5eb35e683b1c8d68d8de26b">secp256k1_fe_sqr</a>(&x2, a);</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <a class="code" href="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a>(&x2, &x2, a);</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <a class="code" href="field_8h.html#a6cbe550ca5eb35e683b1c8d68d8de26b">secp256k1_fe_sqr</a>(&x3, &x2);</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <a class="code" href="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a>(&x3, &x3, a);</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>  x6 = x3;</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">for</span> (j=0; j<3; j++) {</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <a class="code" href="field_8h.html#a6cbe550ca5eb35e683b1c8d68d8de26b">secp256k1_fe_sqr</a>(&x6, &x6);</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>  <a class="code" href="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a>(&x6, &x6, &x3);</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  x9 = x6;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">for</span> (j=0; j<3; j++) {</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <a class="code" href="field_8h.html#a6cbe550ca5eb35e683b1c8d68d8de26b">secp256k1_fe_sqr</a>(&x9, &x9);</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  }</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <a class="code" href="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a>(&x9, &x9, &x3);</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>  x11 = x9;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">for</span> (j=0; j<2; j++) {</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <a class="code" href="field_8h.html#a6cbe550ca5eb35e683b1c8d68d8de26b">secp256k1_fe_sqr</a>(&x11, &x11);</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>  <a class="code" href="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a>(&x11, &x11, &x2);</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>  x22 = x11;</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">for</span> (j=0; j<11; j++) {</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <a class="code" href="field_8h.html#a6cbe550ca5eb35e683b1c8d68d8de26b">secp256k1_fe_sqr</a>(&x22, &x22);</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="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a>(&x22, &x22, &x11);</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>  x44 = x22;</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">for</span> (j=0; j<22; j++) {</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <a class="code" href="field_8h.html#a6cbe550ca5eb35e683b1c8d68d8de26b">secp256k1_fe_sqr</a>(&x44, &x44);</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>  <a class="code" href="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a>(&x44, &x44, &x22);</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  x88 = x44;</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">for</span> (j=0; j<44; j++) {</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <a class="code" href="field_8h.html#a6cbe550ca5eb35e683b1c8d68d8de26b">secp256k1_fe_sqr</a>(&x88, &x88);</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>  <a class="code" href="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a>(&x88, &x88, &x44);</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  x176 = x88;</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">for</span> (j=0; j<88; j++) {</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <a class="code" href="field_8h.html#a6cbe550ca5eb35e683b1c8d68d8de26b">secp256k1_fe_sqr</a>(&x176, &x176);</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>  <a class="code" href="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a>(&x176, &x176, &x88);</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  x220 = x176;</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">for</span> (j=0; j<44; j++) {</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <a class="code" href="field_8h.html#a6cbe550ca5eb35e683b1c8d68d8de26b">secp256k1_fe_sqr</a>(&x220, &x220);</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  }</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <a class="code" href="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a>(&x220, &x220, &x44);</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>  x223 = x220;</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">for</span> (j=0; j<3; j++) {</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <a class="code" href="field_8h.html#a6cbe550ca5eb35e683b1c8d68d8de26b">secp256k1_fe_sqr</a>(&x223, &x223);</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>  <a class="code" href="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a>(&x223, &x223, &x3);</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="comment">/* The final result is then assembled using a sliding window over the blocks. */</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  t1 = x223;</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">for</span> (j=0; j<23; j++) {</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <a class="code" href="field_8h.html#a6cbe550ca5eb35e683b1c8d68d8de26b">secp256k1_fe_sqr</a>(&t1, &t1);</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  }</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <a class="code" href="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a>(&t1, &t1, &x22);</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">for</span> (j=0; j<6; j++) {</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <a class="code" href="field_8h.html#a6cbe550ca5eb35e683b1c8d68d8de26b">secp256k1_fe_sqr</a>(&t1, &t1);</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  }</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <a class="code" href="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a>(&t1, &t1, &x2);</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <a class="code" href="field_8h.html#a6cbe550ca5eb35e683b1c8d68d8de26b">secp256k1_fe_sqr</a>(&t1, &t1);</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <a class="code" href="field_8h.html#a6cbe550ca5eb35e683b1c8d68d8de26b">secp256k1_fe_sqr</a>(r, &t1);</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="comment">/* Check that a square root was actually calculated */</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <a class="code" href="field_8h.html#a6cbe550ca5eb35e683b1c8d68d8de26b">secp256k1_fe_sqr</a>(&t1, r);</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">return</span> <a class="code" href="field__impl_8h.html#a33b925095ff0c60cd468d5a91d3ec788">secp256k1_fe_equal_var</a>(&t1, a);</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> }</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div><div class="line"><a name="l00129"></a><span class="lineno"><a class="line" href="field__impl_8h.html#a3a071aa04ce0d88003b059c0a8ee0c0e"> 129</a></span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="field__impl_8h.html#a3a071aa04ce0d88003b059c0a8ee0c0e">secp256k1_fe_inv</a>(<a class="code" href="structsecp256k1__fe.html">secp256k1_fe</a> *r, <span class="keyword">const</span> <a class="code" href="structsecp256k1__fe.html">secp256k1_fe</a> *a) {</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <a class="code" href="structsecp256k1__fe.html">secp256k1_fe</a> x2, x3, x6, x9, x11, x22, x44, x88, x176, x220, x223, t1;</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordtype">int</span> j;</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <a class="code" href="field_8h.html#a6cbe550ca5eb35e683b1c8d68d8de26b">secp256k1_fe_sqr</a>(&x2, a);</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <a class="code" href="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a>(&x2, &x2, a);</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <a class="code" href="field_8h.html#a6cbe550ca5eb35e683b1c8d68d8de26b">secp256k1_fe_sqr</a>(&x3, &x2);</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <a class="code" href="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a>(&x3, &x3, a);</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  x6 = x3;</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">for</span> (j=0; j<3; j++) {</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <a class="code" href="field_8h.html#a6cbe550ca5eb35e683b1c8d68d8de26b">secp256k1_fe_sqr</a>(&x6, &x6);</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  }</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <a class="code" href="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a>(&x6, &x6, &x3);</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  x9 = x6;</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">for</span> (j=0; j<3; j++) {</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <a class="code" href="field_8h.html#a6cbe550ca5eb35e683b1c8d68d8de26b">secp256k1_fe_sqr</a>(&x9, &x9);</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  }</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <a class="code" href="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a>(&x9, &x9, &x3);</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  x11 = x9;</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">for</span> (j=0; j<2; j++) {</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <a class="code" href="field_8h.html#a6cbe550ca5eb35e683b1c8d68d8de26b">secp256k1_fe_sqr</a>(&x11, &x11);</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  }</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <a class="code" href="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a>(&x11, &x11, &x2);</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> </div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  x22 = x11;</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">for</span> (j=0; j<11; j++) {</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <a class="code" href="field_8h.html#a6cbe550ca5eb35e683b1c8d68d8de26b">secp256k1_fe_sqr</a>(&x22, &x22);</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  }</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <a class="code" href="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a>(&x22, &x22, &x11);</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> </div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  x44 = x22;</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">for</span> (j=0; j<22; j++) {</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <a class="code" href="field_8h.html#a6cbe550ca5eb35e683b1c8d68d8de26b">secp256k1_fe_sqr</a>(&x44, &x44);</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  }</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <a class="code" href="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a>(&x44, &x44, &x22);</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> </div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  x88 = x44;</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">for</span> (j=0; j<44; j++) {</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <a class="code" href="field_8h.html#a6cbe550ca5eb35e683b1c8d68d8de26b">secp256k1_fe_sqr</a>(&x88, &x88);</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  }</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <a class="code" href="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a>(&x88, &x88, &x44);</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span> </div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  x176 = x88;</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">for</span> (j=0; j<88; j++) {</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <a class="code" href="field_8h.html#a6cbe550ca5eb35e683b1c8d68d8de26b">secp256k1_fe_sqr</a>(&x176, &x176);</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  }</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <a class="code" href="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a>(&x176, &x176, &x88);</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span> </div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  x220 = x176;</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordflow">for</span> (j=0; j<44; j++) {</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <a class="code" href="field_8h.html#a6cbe550ca5eb35e683b1c8d68d8de26b">secp256k1_fe_sqr</a>(&x220, &x220);</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  }</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <a class="code" href="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a>(&x220, &x220, &x44);</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> </div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  x223 = x220;</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">for</span> (j=0; j<3; j++) {</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <a class="code" href="field_8h.html#a6cbe550ca5eb35e683b1c8d68d8de26b">secp256k1_fe_sqr</a>(&x223, &x223);</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  }</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <a class="code" href="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a>(&x223, &x223, &x3);</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span> </div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="comment">/* The final result is then assembled using a sliding window over the blocks. */</span></div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span> </div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  t1 = x223;</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordflow">for</span> (j=0; j<23; j++) {</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <a class="code" href="field_8h.html#a6cbe550ca5eb35e683b1c8d68d8de26b">secp256k1_fe_sqr</a>(&t1, &t1);</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  }</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <a class="code" href="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a>(&t1, &t1, &x22);</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">for</span> (j=0; j<5; j++) {</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <a class="code" href="field_8h.html#a6cbe550ca5eb35e683b1c8d68d8de26b">secp256k1_fe_sqr</a>(&t1, &t1);</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  }</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <a class="code" href="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a>(&t1, &t1, a);</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordflow">for</span> (j=0; j<3; j++) {</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <a class="code" href="field_8h.html#a6cbe550ca5eb35e683b1c8d68d8de26b">secp256k1_fe_sqr</a>(&t1, &t1);</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  }</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <a class="code" href="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a>(&t1, &t1, &x2);</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">for</span> (j=0; j<2; j++) {</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <a class="code" href="field_8h.html#a6cbe550ca5eb35e683b1c8d68d8de26b">secp256k1_fe_sqr</a>(&t1, &t1);</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  }</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <a class="code" href="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a>(r, a, &t1);</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span> }</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span> </div><div class="line"><a name="l00219"></a><span class="lineno"><a class="line" href="field__impl_8h.html#a0090ecfb39b34a8965cc16ae1feca5aa"> 219</a></span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="field__impl_8h.html#a0090ecfb39b34a8965cc16ae1feca5aa">secp256k1_fe_inv_var</a>(<a class="code" href="structsecp256k1__fe.html">secp256k1_fe</a> *r, <span class="keyword">const</span> <a class="code" href="structsecp256k1__fe.html">secp256k1_fe</a> *a) {</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="preprocessor">#if defined(USE_FIELD_INV_BUILTIN)</span></div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <a class="code" href="field__impl_8h.html#a3a071aa04ce0d88003b059c0a8ee0c0e">secp256k1_fe_inv</a>(r, a);</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="preprocessor">#elif defined(USE_FIELD_INV_NUM)</span></div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <a class="code" href="structsecp256k1__num.html">secp256k1_num</a> <a class="code" href="namespacefix-copyright-headers.html#aed10e06fbf20b2e50f73ff2d61f59e45">n</a>, <a class="code" href="namespacelinearize-data.html#af01cfbce273b138c21938509627f15aa">m</a>;</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="structsecp256k1__fe.html">secp256k1_fe</a> negone = <a class="code" href="field__10x26_8h.html#a8c00ba3d97ea0d9b0d461463e890de15">SECP256K1_FE_CONST</a>(</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  0xFFFFFFFFUL, 0xFFFFFFFFUL, 0xFFFFFFFFUL, 0xFFFFFFFFUL,</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  0xFFFFFFFFUL, 0xFFFFFFFFUL, 0xFFFFFFFEUL, 0xFFFFFC2EUL</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  );</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="comment">/* secp256k1 field prime, value p defined in "Standards for Efficient Cryptography" (SEC2) 2.7.1. */</span></div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> prime[32] = {</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  0xFF,0xFF,0xFF,0xFE,0xFF,0xFF,0xFC,0x2F</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  };</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> b[32];</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordtype">int</span> res;</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <a class="code" href="structsecp256k1__fe.html">secp256k1_fe</a> c = *a;</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <a class="code" href="field_8h.html#a2d45c987537eadb2923c93aa3af9db71">secp256k1_fe_normalize_var</a>(&c);</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <a class="code" href="field_8h.html#abb1017649be14b9ac1823be3c573e542">secp256k1_fe_get_b32</a>(b, &c);</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <a class="code" href="num_8h.html#a4a7f500a93d330df44bbe3adda388868">secp256k1_num_set_bin</a>(&<a class="code" href="namespacefix-copyright-headers.html#aed10e06fbf20b2e50f73ff2d61f59e45">n</a>, b, 32);</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <a class="code" href="num_8h.html#a4a7f500a93d330df44bbe3adda388868">secp256k1_num_set_bin</a>(&<a class="code" href="namespacelinearize-data.html#af01cfbce273b138c21938509627f15aa">m</a>, prime, 32);</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <a class="code" href="num_8h.html#a96a66a341ddf203e7dbf85d1cca1c178">secp256k1_num_mod_inverse</a>(&<a class="code" href="namespacefix-copyright-headers.html#aed10e06fbf20b2e50f73ff2d61f59e45">n</a>, &<a class="code" href="namespacefix-copyright-headers.html#aed10e06fbf20b2e50f73ff2d61f59e45">n</a>, &<a class="code" href="namespacelinearize-data.html#af01cfbce273b138c21938509627f15aa">m</a>);</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <a class="code" href="num_8h.html#aada7ead84b86388284323f31b9d05bca">secp256k1_num_get_bin</a>(b, 32, &<a class="code" href="namespacefix-copyright-headers.html#aed10e06fbf20b2e50f73ff2d61f59e45">n</a>);</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  res = <a class="code" href="field_8h.html#a5c86a65052e3b135919c00fe2233a43d">secp256k1_fe_set_b32</a>(r, b);</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  (void)res;</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <a class="code" href="secp256k1_2src_2util_8h.html#aca8ac5ae73fd966db106de59160a178b">VERIFY_CHECK</a>(res);</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="comment">/* Verify the result is the (unique) valid inverse using non-GMP code. */</span></div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <a class="code" href="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a>(&c, &c, r);</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <a class="code" href="field_8h.html#a7512f80b60598e4af89c004890880fc7">secp256k1_fe_add</a>(&c, &negone);</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="field_8h.html#a67adb176b8e6efd2d2475a9d0a199e18">secp256k1_fe_normalizes_to_zero_var</a>(&c));</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="preprocessor">#error "Please select field inverse implementation"</span></div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span> }</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span> </div><div class="line"><a name="l00256"></a><span class="lineno"><a class="line" href="field__impl_8h.html#a728a757d8960973603be6f3b2aa13f4e"> 256</a></span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="field__impl_8h.html#a728a757d8960973603be6f3b2aa13f4e">secp256k1_fe_inv_all_var</a>(<span class="keywordtype">size_t</span> len, <a class="code" href="structsecp256k1__fe.html">secp256k1_fe</a> *r, <span class="keyword">const</span> <a class="code" href="structsecp256k1__fe.html">secp256k1_fe</a> *a) {</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <a class="code" href="structsecp256k1__fe.html">secp256k1_fe</a> u;</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordtype">size_t</span> i;</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keywordflow">if</span> (len < 1) {</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  }</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span> </div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <a class="code" href="secp256k1_2src_2util_8h.html#aca8ac5ae73fd966db106de59160a178b">VERIFY_CHECK</a>((r + len <= a) || (a + len <= r));</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span> </div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  r[0] = a[0];</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span> </div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  i = 0;</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keywordflow">while</span> (++i < len) {</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <a class="code" href="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a>(&r[i], &r[i - 1], &a[i]);</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  }</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span> </div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <a class="code" href="field__impl_8h.html#a0090ecfb39b34a8965cc16ae1feca5aa">secp256k1_fe_inv_var</a>(&u, &r[--i]);</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span> </div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keywordflow">while</span> (i > 0) {</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordtype">size_t</span> j = i--;</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <a class="code" href="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a>(&r[j], &r[i], &u);</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <a class="code" href="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a>(&u, &u, &a[j]);</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  }</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span> </div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  r[0] = u;</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span> }</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span> </div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="secp256k1_2src_2util_8h_html_aca8ac5ae73fd966db106de59160a178b"><div class="ttname"><a href="secp256k1_2src_2util_8h.html#aca8ac5ae73fd966db106de59160a178b">VERIFY_CHECK</a></div><div class="ttdeci">#define VERIFY_CHECK(cond)</div><div class="ttdef"><b>Definition:</b> <a href="secp256k1_2src_2util_8h_source.html#l00064">util.h:64</a></div></div>
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<div class="ttc" id="structsecp256k1__fe_html"><div class="ttname"><a href="structsecp256k1__fe.html">secp256k1_fe</a></div><div class="ttdef"><b>Definition:</b> <a href="field__10x26_8h_source.html#l00012">field_10x26.h:12</a></div></div>
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<div class="ttc" id="field_8h_html_a542b97d2574d9687c563d002587cf9a2"><div class="ttname"><a href="field_8h.html#a542b97d2574d9687c563d002587cf9a2">secp256k1_fe_mul</a></div><div class="ttdeci">static void secp256k1_fe_mul(secp256k1_fe *r, const secp256k1_fe *a, const secp256k1_fe *SECP256K1_RESTRICT b)</div></div>
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<div class="ttc" id="field_8h_html_a2d45c987537eadb2923c93aa3af9db71"><div class="ttname"><a href="field_8h.html#a2d45c987537eadb2923c93aa3af9db71">secp256k1_fe_normalize_var</a></div><div class="ttdeci">static void secp256k1_fe_normalize_var(secp256k1_fe *r)</div></div>
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<div class="ttc" id="num_8h_html_a4a7f500a93d330df44bbe3adda388868"><div class="ttname"><a href="num_8h.html#a4a7f500a93d330df44bbe3adda388868">secp256k1_num_set_bin</a></div><div class="ttdeci">static void secp256k1_num_set_bin(secp256k1_num *r, const unsigned char *a, unsigned int alen)</div></div>
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<div class="ttc" id="libsecp256k1-config_8h_html"><div class="ttname"><a href="libsecp256k1-config_8h.html">libsecp256k1-config.h</a></div></div>
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<div class="ttc" id="field_8h_html_a4543ff08a66fc870acd56c921f2b30f7"><div class="ttname"><a href="field_8h.html#a4543ff08a66fc870acd56c921f2b30f7">secp256k1_fe_negate</a></div><div class="ttdeci">static void secp256k1_fe_negate(secp256k1_fe *r, const secp256k1_fe *a, int m)</div></div>
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<div class="ttc" id="field__impl_8h_html_a33b925095ff0c60cd468d5a91d3ec788"><div class="ttname"><a href="field__impl_8h.html#a33b925095ff0c60cd468d5a91d3ec788">secp256k1_fe_equal_var</a></div><div class="ttdeci">static SECP256K1_INLINE int secp256k1_fe_equal_var(const secp256k1_fe *a, const secp256k1_fe *b)</div><div class="ttdef"><b>Definition:</b> <a href="field__impl_8h_source.html#l00024">field_impl.h:24</a></div></div>
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<div class="ttc" id="num_8h_html_a96a66a341ddf203e7dbf85d1cca1c178"><div class="ttname"><a href="num_8h.html#a96a66a341ddf203e7dbf85d1cca1c178">secp256k1_num_mod_inverse</a></div><div class="ttdeci">static void secp256k1_num_mod_inverse(secp256k1_num *r, const secp256k1_num *a, const secp256k1_num *m)</div></div>
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<div class="ttc" id="field__10x26_8h_html_a8c00ba3d97ea0d9b0d461463e890de15"><div class="ttname"><a href="field__10x26_8h.html#a8c00ba3d97ea0d9b0d461463e890de15">SECP256K1_FE_CONST</a></div><div class="ttdeci">#define SECP256K1_FE_CONST(d7, d6, d5, d4, d3, d2, d1, d0)</div><div class="ttdef"><b>Definition:</b> <a href="field__10x26_8h_source.html#l00038">field_10x26.h:38</a></div></div>
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<div class="ttc" id="field_8h_html_a7512f80b60598e4af89c004890880fc7"><div class="ttname"><a href="field_8h.html#a7512f80b60598e4af89c004890880fc7">secp256k1_fe_add</a></div><div class="ttdeci">static void secp256k1_fe_add(secp256k1_fe *r, const secp256k1_fe *a)</div></div>
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<div class="ttc" id="namespacelinearize-data_html_af01cfbce273b138c21938509627f15aa"><div class="ttname"><a href="namespacelinearize-data.html#af01cfbce273b138c21938509627f15aa">linearize-data.m</a></div><div class="ttdeci">m</div><div class="ttdef"><b>Definition:</b> <a href="linearize-data_8py_source.html#l00260">linearize-data.py:260</a></div></div>
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<div class="ttc" id="namespacefix-copyright-headers_html_aed10e06fbf20b2e50f73ff2d61f59e45"><div class="ttname"><a href="namespacefix-copyright-headers.html#aed10e06fbf20b2e50f73ff2d61f59e45">fix-copyright-headers.n</a></div><div class="ttdeci">int n</div><div class="ttdef"><b>Definition:</b> <a href="fix-copyright-headers_8py_source.html#l00046">fix-copyright-headers.py:46</a></div></div>
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<div class="ttc" id="secp256k1_8h_html_a7ddc487fd46aee88f21cabedb7268b1e"><div class="ttname"><a href="secp256k1_8h.html#a7ddc487fd46aee88f21cabedb7268b1e">SECP256K1_INLINE</a></div><div class="ttdeci">#define SECP256K1_INLINE</div><div class="ttdef"><b>Definition:</b> <a href="secp256k1_8h_source.html#l00116">secp256k1.h:116</a></div></div>
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<div class="ttc" id="structsecp256k1__num_html"><div class="ttname"><a href="structsecp256k1__num.html">secp256k1_num</a></div><div class="ttdef"><b>Definition:</b> <a href="num__gmp_8h_source.html#l00014">num_gmp.h:14</a></div></div>
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<div class="ttc" id="field__5x52__impl_8h_html"><div class="ttname"><a href="field__5x52__impl_8h.html">field_5x52_impl.h</a></div></div>
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<div class="ttc" id="field__impl_8h_html_a3a071aa04ce0d88003b059c0a8ee0c0e"><div class="ttname"><a href="field__impl_8h.html#a3a071aa04ce0d88003b059c0a8ee0c0e">secp256k1_fe_inv</a></div><div class="ttdeci">static void secp256k1_fe_inv(secp256k1_fe *r, const secp256k1_fe *a)</div><div class="ttdef"><b>Definition:</b> <a href="field__impl_8h_source.html#l00129">field_impl.h:129</a></div></div>
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<div class="ttc" id="field__impl_8h_html_a0090ecfb39b34a8965cc16ae1feca5aa"><div class="ttname"><a href="field__impl_8h.html#a0090ecfb39b34a8965cc16ae1feca5aa">secp256k1_fe_inv_var</a></div><div class="ttdeci">static void secp256k1_fe_inv_var(secp256k1_fe *r, const secp256k1_fe *a)</div><div class="ttdef"><b>Definition:</b> <a href="field__impl_8h_source.html#l00219">field_impl.h:219</a></div></div>
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<div class="ttc" id="secp256k1_2src_2util_8h_html"><div class="ttname"><a href="secp256k1_2src_2util_8h.html">util.h</a></div></div>
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<div class="ttc" id="secp256k1_2src_2util_8h_html_aba1590ff86288c886c47dc8a27b30467"><div class="ttname"><a href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a></div><div class="ttdeci">#define CHECK(cond)</div><div class="ttdef"><b>Definition:</b> <a href="secp256k1_2src_2util_8h_source.html#l00052">util.h:52</a></div></div>
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<div class="ttc" id="field__10x26__impl_8h_html"><div class="ttname"><a href="field__10x26__impl_8h.html">field_10x26_impl.h</a></div></div>
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<div class="ttc" id="field__impl_8h_html_adeed9551ce946187f98c5e3d789e9575"><div class="ttname"><a href="field__impl_8h.html#adeed9551ce946187f98c5e3d789e9575">secp256k1_fe_sqrt_var</a></div><div class="ttdeci">static int secp256k1_fe_sqrt_var(secp256k1_fe *r, const secp256k1_fe *a)</div><div class="ttdef"><b>Definition:</b> <a href="field__impl_8h_source.html#l00031">field_impl.h:31</a></div></div>
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<div class="ttc" id="field_8h_html_a6cbe550ca5eb35e683b1c8d68d8de26b"><div class="ttname"><a href="field_8h.html#a6cbe550ca5eb35e683b1c8d68d8de26b">secp256k1_fe_sqr</a></div><div class="ttdeci">static void secp256k1_fe_sqr(secp256k1_fe *r, const secp256k1_fe *a)</div></div>
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<div class="ttc" id="field_8h_html_a5c86a65052e3b135919c00fe2233a43d"><div class="ttname"><a href="field_8h.html#a5c86a65052e3b135919c00fe2233a43d">secp256k1_fe_set_b32</a></div><div class="ttdeci">static int secp256k1_fe_set_b32(secp256k1_fe *r, const unsigned char *a)</div></div>
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<div class="ttc" id="field__impl_8h_html_a728a757d8960973603be6f3b2aa13f4e"><div class="ttname"><a href="field__impl_8h.html#a728a757d8960973603be6f3b2aa13f4e">secp256k1_fe_inv_all_var</a></div><div class="ttdeci">static void secp256k1_fe_inv_all_var(size_t len, secp256k1_fe *r, const secp256k1_fe *a)</div><div class="ttdef"><b>Definition:</b> <a href="field__impl_8h_source.html#l00256">field_impl.h:256</a></div></div>
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<div class="ttc" id="field_8h_html_abb1017649be14b9ac1823be3c573e542"><div class="ttname"><a href="field_8h.html#abb1017649be14b9ac1823be3c573e542">secp256k1_fe_get_b32</a></div><div class="ttdeci">static void secp256k1_fe_get_b32(unsigned char *r, const secp256k1_fe *a)</div></div>
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<div class="ttc" id="num_8h_html_aada7ead84b86388284323f31b9d05bca"><div class="ttname"><a href="num_8h.html#aada7ead84b86388284323f31b9d05bca">secp256k1_num_get_bin</a></div><div class="ttdeci">static void secp256k1_num_get_bin(unsigned char *r, unsigned int rlen, const secp256k1_num *a)</div></div>
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<div class="ttc" id="field_8h_html_a67adb176b8e6efd2d2475a9d0a199e18"><div class="ttname"><a href="field_8h.html#a67adb176b8e6efd2d2475a9d0a199e18">secp256k1_fe_normalizes_to_zero_var</a></div><div class="ttdeci">static int secp256k1_fe_normalizes_to_zero_var(secp256k1_fe *r)</div></div>
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</div><!-- fragment --></div><!-- contents -->
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<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_44f34d1e62fda08bdb4ca69ab2d205ae.html">secp256k1</a></li><li class="navelem"><a class="el" href="dir_8db2ef784512d48b2a7d00369dfaac28.html">src</a></li><li class="navelem"><a class="el" href="field__impl_8h.html">field_impl.h</a></li>
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