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<li class="navelem"><a class="el" href="dir_90ffdbabf412cfdffe6b2193e0ce938a.html">libxrpl</a></li><li class="navelem"><a class="el" href="dir_4cb643486f27a568a0d40f174f670f35.html">protocol</a></li> </ul>
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<div class="headertitle"><div class="title">PublicKey.cpp</div></div>
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="preprocessor">#include &lt;xrpl/basics/Slice.h&gt;</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="preprocessor">#include &lt;xrpl/basics/base_uint.h&gt;</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="preprocessor">#include &lt;xrpl/basics/contract.h&gt;</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="preprocessor">#include &lt;xrpl/basics/strHex.h&gt;</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="preprocessor">#include &lt;xrpl/protocol/KeyType.h&gt;</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="preprocessor">#include &lt;xrpl/protocol/PublicKey.h&gt;</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="preprocessor">#include &lt;xrpl/protocol/UintTypes.h&gt;</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="preprocessor">#include &lt;xrpl/protocol/detail/secp256k1.h&gt;</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#include &lt;xrpl/protocol/digest.h&gt;</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="preprocessor">#include &lt;xrpl/protocol/tokens.h&gt;</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span> </div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#include &lt;boost/multiprecision/fwd.hpp&gt;</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="preprocessor">#include &lt;boost/multiprecision/number.hpp&gt;</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span> </div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="preprocessor">#include &lt;ed25519.h&gt;</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> </div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/algorithm.html">algorithm</a>&gt;</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/cstdint.html">cstdint</a>&gt;</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/cstring.html">cstring</a>&gt;</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/optional.html">optional</a>&gt;</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/ostream.html">ostream</a>&gt;</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/string.html">string</a>&gt;</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespacexrpl.html">xrpl</a> {</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> </div>
<div class="foldopen" id="foldopen00026" data-start="{" data-end="}">
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"><a class="line" href="namespacexrpl.html#a6be9cc21ac562e64de64f01d8a835b3d"> 26</a></span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::ostream</a>&amp;</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><a class="code hl_function" href="namespacexrpl.html#a588b222bb4a0e8eb023bcb778d479cf9">operator&lt;&lt;</a>(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::ostream</a>&amp; os, <a class="code hl_class" href="classxrpl_1_1PublicKey.html">PublicKey</a> <span class="keyword">const</span>&amp; pk)</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span>{</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> os &lt;&lt; <a class="code hl_function" href="namespacexrpl.html#a36b95700599f590017b5912e220baf5b">strHex</a>(pk);</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> <span class="keywordflow">return</span> os;</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span>}</div>
</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="keyword">template</span> &lt;&gt;</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;PublicKey&gt;</a></div>
<div class="foldopen" id="foldopen00035" data-start="{" data-end="}">
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"><a class="line" href="namespacexrpl.html#a81d8bd2beb7af96aeb5419194345a771"> 35</a></span><a class="code hl_function" href="namespacexrpl.html#a2d92828416e0caeb8fa2755a55199a2d">parseBase58</a>(<a class="code hl_enumeration" href="namespacexrpl.html#ab0ad02fb9cdef90852b93f1b57aacdc1">TokenType</a> type, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> <span class="keyword">const</span>&amp; s)</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span>{</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">auto</span> <span class="keyword">const</span> result = <a class="code hl_function" href="namespacexrpl.html#aec03e7a86f99a0504b1c70d3c3cb6174">decodeBase58Token</a>(s, type);</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">auto</span> <span class="keyword">const</span> pks = <a class="code hl_function" href="namespacexrpl.html#ade06aea604ced5ef1fd3c94ab573b646">makeSlice</a>(result);</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="namespacexrpl.html#a7629062ffff8edd500f4b66d3440ac47">publicKeyType</a>(pks))</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> <span class="keywordflow">return</span> <a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::nullopt</a>;</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classxrpl_1_1PublicKey.html">PublicKey</a>(pks);</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span>}</div>
</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> </div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span><span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> </div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span><span class="comment">// Parse a length-prefixed number</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span><span class="comment">// Format: 0x02 &lt;length-byte&gt; &lt;number&gt;</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span><span class="keyword">static</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;Slice&gt;</a></div>
<div class="foldopen" id="foldopen00049" data-start="{" data-end="}">
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"><a class="line" href="namespacexrpl.html#aa328db67eeba5bbcb43ebba0e4f89b66"> 49</a></span><a class="code hl_function" href="namespacexrpl.html#aa328db67eeba5bbcb43ebba0e4f89b66">sigPart</a>(<a class="code hl_class" href="classxrpl_1_1Slice.html">Slice</a>&amp; buf)</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span>{</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keywordflow">if</span> (buf.<a class="code hl_function" href="classxrpl_1_1Slice.html#a31f62df306959ff27eb9c5aeaa0265a8">size</a>() &lt; 3 || buf[0] != 0x02)</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keywordflow">return</span> <a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::nullopt</a>;</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keyword">auto</span> <span class="keyword">const</span> len = buf[1];</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> buf += 2;</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <span class="keywordflow">if</span> (len &gt; buf.<a class="code hl_function" href="classxrpl_1_1Slice.html#a31f62df306959ff27eb9c5aeaa0265a8">size</a>() || len &lt; 1 || len &gt; 33)</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="keywordflow">return</span> <a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::nullopt</a>;</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="comment">// Can&#39;t be negative</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="keywordflow">if</span> ((buf[0] &amp; 0x80) != 0)</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <span class="keywordflow">return</span> <a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::nullopt</a>;</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="keywordflow">if</span> (buf[0] == 0)</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> {</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="comment">// Can&#39;t be zero</span></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keywordflow">if</span> (len == 1)</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keywordflow">return</span> <a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::nullopt</a>;</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <span class="comment">// Can&#39;t be padded</span></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordflow">if</span> ((buf[1] &amp; 0x80) == 0)</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="keywordflow">return</span> <a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::nullopt</a>;</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> }</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;Slice&gt;</a> number = <a class="code hl_class" href="classxrpl_1_1Slice.html">Slice</a>(buf.<a class="code hl_function" href="classxrpl_1_1Slice.html#a14f9d0bcdbcdc33d275d40a71505c07a">data</a>(), len);</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> buf += len;</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="keywordflow">return</span> number;</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span>}</div>
</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> </div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span><span class="keyword">static</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div>
<div class="foldopen" id="foldopen00075" data-start="{" data-end="}">
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"><a class="line" href="namespacexrpl.html#ab156a3d312075fd8fd1659542b68136f"> 75</a></span><a class="code hl_function" href="namespacexrpl.html#ab156a3d312075fd8fd1659542b68136f">sliceToHex</a>(<a class="code hl_class" href="classxrpl_1_1Slice.html">Slice</a> <span class="keyword">const</span>&amp; slice)</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span>{</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> s;</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="keywordflow">if</span> (slice[0] &amp; 0x80)</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> {</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> s.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/string/basic_string/reserve.html">reserve</a>(2 * (slice.<a class="code hl_function" href="classxrpl_1_1Slice.html#a31f62df306959ff27eb9c5aeaa0265a8">size</a>() + 2));</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> s = <span class="stringliteral">&quot;0x00&quot;</span>;</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> }</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> {</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> s.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/string/basic_string/reserve.html">reserve</a>(2 * (slice.<a class="code hl_function" href="classxrpl_1_1Slice.html#a31f62df306959ff27eb9c5aeaa0265a8">size</a>() + 1));</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> s = <span class="stringliteral">&quot;0x&quot;</span>;</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> }</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; slice.<a class="code hl_function" href="classxrpl_1_1Slice.html#a31f62df306959ff27eb9c5aeaa0265a8">size</a>(); ++i)</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> {</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keyword">constexpr</span> <span class="keywordtype">char</span> hex[] = <span class="stringliteral">&quot;0123456789ABCDEF&quot;</span>;</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> s += hex[((slice[i] &amp; 0xf0) &gt;&gt; 4)];</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> s += hex[((slice[i] &amp; 0x0f) &gt;&gt; 0)];</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> }</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="keywordflow">return</span> s;</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span>}</div>
</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> </div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;ECDSACanonicality&gt;</a></div>
<div class="foldopen" id="foldopen00110" data-start="{" data-end="}">
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"><a class="line" href="namespacexrpl.html#a5230d8000cd8b985741c824dd779ab01"> 110</a></span><a class="code hl_function" href="namespacexrpl.html#a5230d8000cd8b985741c824dd779ab01">ecdsaCanonicality</a>(<a class="code hl_class" href="classxrpl_1_1Slice.html">Slice</a> <span class="keyword">const</span>&amp; sig)</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span>{</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="keyword">using </span>uint264 = boost::multiprecision::number&lt;</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> boost::multiprecision::</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> cpp_int_backend&lt;264, 264, boost::multiprecision::signed_magnitude, boost::multiprecision::unchecked, void&gt;&gt;;</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> </div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="keyword">static</span> uint264 <span class="keyword">const</span> G(<span class="stringliteral">&quot;0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141&quot;</span>);</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> </div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="comment">// The format of a signature should be:</span></div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="comment">// &lt;30&gt; &lt;len&gt; [ &lt;02&gt; &lt;lenR&gt; &lt;R&gt; ] [ &lt;02&gt; &lt;lenS&gt; &lt;S&gt; ]</span></div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="keywordflow">if</span> ((sig.<a class="code hl_function" href="classxrpl_1_1Slice.html#a31f62df306959ff27eb9c5aeaa0265a8">size</a>() &lt; 8) || (sig.<a class="code hl_function" href="classxrpl_1_1Slice.html#a31f62df306959ff27eb9c5aeaa0265a8">size</a>() &gt; 72))</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="keywordflow">return</span> <a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::nullopt</a>;</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="keywordflow">if</span> ((sig[0] != 0x30) || (sig[1] != (sig.<a class="code hl_function" href="classxrpl_1_1Slice.html#a31f62df306959ff27eb9c5aeaa0265a8">size</a>() - 2)))</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <span class="keywordflow">return</span> <a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::nullopt</a>;</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <a class="code hl_class" href="classxrpl_1_1Slice.html">Slice</a> p = sig + 2;</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <span class="keyword">auto</span> r = <a class="code hl_function" href="namespacexrpl.html#aa328db67eeba5bbcb43ebba0e4f89b66">sigPart</a>(p);</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="keyword">auto</span> s = <a class="code hl_function" href="namespacexrpl.html#aa328db67eeba5bbcb43ebba0e4f89b66">sigPart</a>(p);</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <span class="keywordflow">if</span> (!r || !s || !p.<a class="code hl_function" href="classxrpl_1_1Slice.html#a0851b18f2ad69c44907757ae8513819f">empty</a>())</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <span class="keywordflow">return</span> <a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::nullopt</a>;</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> </div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> uint264 R(<a class="code hl_function" href="namespacexrpl.html#ab156a3d312075fd8fd1659542b68136f">sliceToHex</a>(*r));</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="keywordflow">if</span> (R &gt;= G)</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="keywordflow">return</span> <a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::nullopt</a>;</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> </div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> uint264 S(<a class="code hl_function" href="namespacexrpl.html#ab156a3d312075fd8fd1659542b68136f">sliceToHex</a>(*s));</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="keywordflow">if</span> (S &gt;= G)</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <span class="keywordflow">return</span> <a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::nullopt</a>;</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> </div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <span class="comment">// (R,S) and (R,G-S) are canonical,</span></div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <span class="comment">// but is fully canonical when S &lt;= G-S</span></div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keyword">auto</span> <span class="keyword">const</span> Sp = G - S;</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="keywordflow">if</span> (S &gt; Sp)</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacexrpl.html#acb1a9b1647370fa776aaad063944ea17a9f3fda2fef6dda85970e12ce9a9b8cbe">ECDSACanonicality::canonical</a>;</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacexrpl.html#acb1a9b1647370fa776aaad063944ea17a3e23eeda3fe3fb70d1e274eab59199d1">ECDSACanonicality::fullyCanonical</a>;</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span>}</div>
</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> </div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span><span class="keyword">static</span> <span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen00147" data-start="{" data-end="}">
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"><a class="line" href="namespacexrpl.html#a27a2f8bc1231a655aaa7a65a0aa5af53"> 147</a></span><a class="code hl_function" href="namespacexrpl.html#a27a2f8bc1231a655aaa7a65a0aa5af53">ed25519Canonical</a>(<a class="code hl_class" href="classxrpl_1_1Slice.html">Slice</a> <span class="keyword">const</span>&amp; sig)</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span>{</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> <span class="keywordflow">if</span> (sig.<a class="code hl_function" href="classxrpl_1_1Slice.html#a31f62df306959ff27eb9c5aeaa0265a8">size</a>() != 64)</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> <span class="comment">// Big-endian Order, the Ed25519 subgroup order</span></div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a> <span class="keyword">const</span> Order[] = {</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> 0x14, 0xDE, 0xF9, 0xDE, 0xA2, 0xF7, 0x9C, 0xD6, 0x58, 0x12, 0x63, 0x1A, 0x5C, 0xF5, 0xD3, 0xED,</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> };</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="comment">// Take the second half of signature</span></div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="comment">// and byte-reverse it to big-endian.</span></div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <span class="keyword">auto</span> <span class="keyword">const</span> le = sig.<a class="code hl_function" href="classxrpl_1_1Slice.html#a14f9d0bcdbcdc33d275d40a71505c07a">data</a>() + 32;</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a> S[32];</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/reverse_copy.html">std::reverse_copy</a>(le, le + 32, S);</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> <span class="comment">// Must be less than Order</span></div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <span class="keywordflow">return</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/lexicographical_compare.html">std::lexicographical_compare</a>(S, S + 32, Order, Order + 32);</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span>}</div>
</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> </div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span><span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> </div>
<div class="foldopen" id="foldopen00167" data-start="{" data-end="}">
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"><a class="line" href="classxrpl_1_1PublicKey.html#a1b549b1896f1bf294109ffdb49b13ab2"> 167</a></span><a class="code hl_function" href="classxrpl_1_1PublicKey.html#ae4c23e5c267cf0b356a4226650090b56">PublicKey::PublicKey</a>(<a class="code hl_class" href="classxrpl_1_1Slice.html">Slice</a> <span class="keyword">const</span>&amp; slice)</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span>{</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="classxrpl_1_1PublicKey.html#ad46f4b490287a7d6df68780c82509d68">slice</a>.<a class="code hl_function" href="classxrpl_1_1Slice.html#a31f62df306959ff27eb9c5aeaa0265a8">size</a>() &lt; <a class="code hl_variable" href="classxrpl_1_1PublicKey.html#aecdb0d783dfda874a7f07fc5e900d24d">size_</a>)</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <a class="code hl_function" href="namespacexrpl.html#a16550239e117c441e0e17bd1c67beeba">LogicError</a>(</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <span class="stringliteral">&quot;PublicKey::PublicKey - Input slice cannot be an undersized &quot;</span></div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <span class="stringliteral">&quot;buffer&quot;</span>);</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> </div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="namespacexrpl.html#a7629062ffff8edd500f4b66d3440ac47">publicKeyType</a>(<a class="code hl_function" href="classxrpl_1_1PublicKey.html#ad46f4b490287a7d6df68780c82509d68">slice</a>))</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <a class="code hl_function" href="namespacexrpl.html#a16550239e117c441e0e17bd1c67beeba">LogicError</a>(<span class="stringliteral">&quot;PublicKey::PublicKey invalid type&quot;</span>);</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/string/byte/memcpy.html">std::memcpy</a>(<a class="code hl_variable" href="classxrpl_1_1PublicKey.html#a814568699551b7f3a2d49993d5673ef7">buf_</a>, <a class="code hl_function" href="classxrpl_1_1PublicKey.html#ad46f4b490287a7d6df68780c82509d68">slice</a>.<a class="code hl_function" href="classxrpl_1_1Slice.html#a14f9d0bcdbcdc33d275d40a71505c07a">data</a>(), <a class="code hl_variable" href="classxrpl_1_1PublicKey.html#aecdb0d783dfda874a7f07fc5e900d24d">size_</a>);</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span>}</div>
</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> </div>
<div class="foldopen" id="foldopen00179" data-start="{" data-end="}">
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"><a class="line" href="classxrpl_1_1PublicKey.html#aabb627fa9cb740462b1066a3dff9bf83"> 179</a></span><a class="code hl_function" href="classxrpl_1_1PublicKey.html#ae4c23e5c267cf0b356a4226650090b56">PublicKey::PublicKey</a>(<a class="code hl_class" href="classxrpl_1_1PublicKey.html">PublicKey</a> <span class="keyword">const</span>&amp; other)</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span>{</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/string/byte/memcpy.html">std::memcpy</a>(<a class="code hl_variable" href="classxrpl_1_1PublicKey.html#a814568699551b7f3a2d49993d5673ef7">buf_</a>, other.<a class="code hl_variable" href="classxrpl_1_1PublicKey.html#a814568699551b7f3a2d49993d5673ef7">buf_</a>, <a class="code hl_variable" href="classxrpl_1_1PublicKey.html#aecdb0d783dfda874a7f07fc5e900d24d">size_</a>);</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span>}</div>
</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> </div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span><a class="code hl_class" href="classxrpl_1_1PublicKey.html">PublicKey</a>&amp;</div>
<div class="foldopen" id="foldopen00185" data-start="{" data-end="}">
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"><a class="line" href="classxrpl_1_1PublicKey.html#ae9cdde8c9bfa406e9143bdb1a1084646"> 185</a></span><a class="code hl_function" href="classxrpl_1_1PublicKey.html#ae9cdde8c9bfa406e9143bdb1a1084646">PublicKey::operator=</a>(<a class="code hl_class" href="classxrpl_1_1PublicKey.html">PublicKey</a> <span class="keyword">const</span>&amp; other)</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span>{</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> <span class="keywordflow">if</span> (<span class="keyword">this</span> != &amp;other)</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> {</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/string/byte/memcpy.html">std::memcpy</a>(<a class="code hl_variable" href="classxrpl_1_1PublicKey.html#a814568699551b7f3a2d49993d5673ef7">buf_</a>, other.<a class="code hl_variable" href="classxrpl_1_1PublicKey.html#a814568699551b7f3a2d49993d5673ef7">buf_</a>, <a class="code hl_variable" href="classxrpl_1_1PublicKey.html#aecdb0d783dfda874a7f07fc5e900d24d">size_</a>);</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> }</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> </div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span>}</div>
</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> </div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span><span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> </div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;KeyType&gt;</a></div>
<div class="foldopen" id="foldopen00198" data-start="{" data-end="}">
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"><a class="line" href="namespacexrpl.html#a7629062ffff8edd500f4b66d3440ac47"> 198</a></span><a class="code hl_function" href="namespacexrpl.html#a7629062ffff8edd500f4b66d3440ac47">publicKeyType</a>(<a class="code hl_class" href="classxrpl_1_1Slice.html">Slice</a> <span class="keyword">const</span>&amp; slice)</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span>{</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <span class="keywordflow">if</span> (slice.<a class="code hl_function" href="classxrpl_1_1Slice.html#a31f62df306959ff27eb9c5aeaa0265a8">size</a>() == 33)</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> {</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <span class="keywordflow">if</span> (slice[0] == 0xED)</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacexrpl.html#a0b0d50fcc4520f33b4417f1b74eee591a8183aa2c95dc1385c8f58bf1917fcb0b">KeyType::ed25519</a>;</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> </div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <span class="keywordflow">if</span> (slice[0] == 0x02 || slice[0] == 0x03)</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespacexrpl.html#a0b0d50fcc4520f33b4417f1b74eee591a82c2b7829b8129e5a2d53665ba4b4757">KeyType::secp256k1</a>;</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> }</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> </div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> <span class="keywordflow">return</span> <a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::nullopt</a>;</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span>}</div>
</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> </div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span><span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen00213" data-start="{" data-end="}">
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"><a class="line" href="namespacexrpl.html#a2b5a0c8a1ab7f108aadf14effc57bada"> 213</a></span><a class="code hl_function" href="namespacexrpl.html#a2b5a0c8a1ab7f108aadf14effc57bada">verifyDigest</a>(<a class="code hl_class" href="classxrpl_1_1PublicKey.html">PublicKey</a> <span class="keyword">const</span>&amp; publicKey, <a class="code hl_class" href="classxrpl_1_1base__uint.html">uint256</a> <span class="keyword">const</span>&amp; <a class="code hl_function" href="namespacexrpl.html#a253464fb8098fbe2438ad1badcf26565">digest</a>, <a class="code hl_class" href="classxrpl_1_1Slice.html">Slice</a> <span class="keyword">const</span>&amp; sig, <span class="keywordtype">bool</span> mustBeFullyCanonical) <span class="keyword">noexcept</span></div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span>{</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespacexrpl.html#a7629062ffff8edd500f4b66d3440ac47">publicKeyType</a>(publicKey) != <a class="code hl_enumvalue" href="namespacexrpl.html#a0b0d50fcc4520f33b4417f1b74eee591a82c2b7829b8129e5a2d53665ba4b4757">KeyType::secp256k1</a>)</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <a class="code hl_function" href="namespacexrpl.html#a16550239e117c441e0e17bd1c67beeba">LogicError</a>(<span class="stringliteral">&quot;sign: secp256k1 required for digest signing&quot;</span>);</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> <span class="keyword">auto</span> <span class="keyword">const</span> canonicality = <a class="code hl_function" href="namespacexrpl.html#a5230d8000cd8b985741c824dd779ab01">ecdsaCanonicality</a>(sig);</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> <span class="keywordflow">if</span> (!canonicality)</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> <span class="keywordflow">if</span> (mustBeFullyCanonical &amp;&amp; (*canonicality != <a class="code hl_enumvalue" href="namespacexrpl.html#acb1a9b1647370fa776aaad063944ea17a3e23eeda3fe3fb70d1e274eab59199d1">ECDSACanonicality::fullyCanonical</a>))</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> </div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> secp256k1_pubkey pubkey_imp;</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> <span class="keywordflow">if</span> (secp256k1_ec_pubkey_parse(</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> <a class="code hl_function" href="namespacexrpl.html#aa8c7f46eae8d74c40bfc3b547ab601be">secp256k1Context</a>(),</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> &amp;pubkey_imp,</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <span class="keyword">reinterpret_cast&lt;</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> const*<span class="keyword">&gt;</span>(publicKey.data()),</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> publicKey.size()) != 1)</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> </div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> secp256k1_ecdsa_signature sig_imp;</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> <span class="keywordflow">if</span> (secp256k1_ecdsa_signature_parse_der(</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> <a class="code hl_function" href="namespacexrpl.html#aa8c7f46eae8d74c40bfc3b547ab601be">secp256k1Context</a>(), &amp;sig_imp, <span class="keyword">reinterpret_cast&lt;</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> const*<span class="keyword">&gt;</span>(sig.data()), sig.size()) != 1)</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> <span class="keywordflow">if</span> (*canonicality != <a class="code hl_enumvalue" href="namespacexrpl.html#acb1a9b1647370fa776aaad063944ea17a3e23eeda3fe3fb70d1e274eab59199d1">ECDSACanonicality::fullyCanonical</a>)</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> {</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> secp256k1_ecdsa_signature sig_norm;</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> <span class="keywordflow">if</span> (secp256k1_ecdsa_signature_normalize(<a class="code hl_function" href="namespacexrpl.html#aa8c7f46eae8d74c40bfc3b547ab601be">secp256k1Context</a>(), &amp;sig_norm, &amp;sig_imp) != 1)</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> <span class="keywordflow">return</span> secp256k1_ecdsa_verify(</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> <a class="code hl_function" href="namespacexrpl.html#aa8c7f46eae8d74c40bfc3b547ab601be">secp256k1Context</a>(), &amp;sig_norm, <span class="keyword">reinterpret_cast&lt;</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> const*<span class="keyword">&gt;</span>(<a class="code hl_function" href="namespacexrpl.html#a253464fb8098fbe2438ad1badcf26565">digest</a>.data()), &amp;pubkey_imp) ==</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> 1;</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> }</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> <span class="keywordflow">return</span> secp256k1_ecdsa_verify(</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> <a class="code hl_function" href="namespacexrpl.html#aa8c7f46eae8d74c40bfc3b547ab601be">secp256k1Context</a>(), &amp;sig_imp, <span class="keyword">reinterpret_cast&lt;</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> const*<span class="keyword">&gt;</span>(<a class="code hl_function" href="namespacexrpl.html#a253464fb8098fbe2438ad1badcf26565">digest</a>.data()), &amp;pubkey_imp) == 1;</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span>}</div>
</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> </div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span><span class="keywordtype">bool</span></div>
<div class="foldopen" id="foldopen00249" data-start="{" data-end="}">
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"><a class="line" href="namespacexrpl.html#a4947b0f613ec6e52fe87414063255880"> 249</a></span><a class="code hl_function" href="namespacexrpl.html#a4947b0f613ec6e52fe87414063255880">verify</a>(<a class="code hl_class" href="classxrpl_1_1PublicKey.html">PublicKey</a> <span class="keyword">const</span>&amp; publicKey, <a class="code hl_class" href="classxrpl_1_1Slice.html">Slice</a> <span class="keyword">const</span>&amp; m, <a class="code hl_class" href="classxrpl_1_1Slice.html">Slice</a> <span class="keyword">const</span>&amp; sig) <span class="keyword">noexcept</span></div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span>{</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> type = <a class="code hl_function" href="namespacexrpl.html#a7629062ffff8edd500f4b66d3440ac47">publicKeyType</a>(publicKey))</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> {</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> <span class="keywordflow">if</span> (*type == <a class="code hl_enumvalue" href="namespacexrpl.html#a0b0d50fcc4520f33b4417f1b74eee591a82c2b7829b8129e5a2d53665ba4b4757">KeyType::secp256k1</a>)</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> {</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespacexrpl.html#a2b5a0c8a1ab7f108aadf14effc57bada">verifyDigest</a>(publicKey, <a class="code hl_function" href="namespacexrpl.html#a2bf1136970cad3731cf6d24f054e119f">sha512Half</a>(m), sig);</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> }</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (*type == <a class="code hl_enumvalue" href="namespacexrpl.html#a0b0d50fcc4520f33b4417f1b74eee591a8183aa2c95dc1385c8f58bf1917fcb0b">KeyType::ed25519</a>)</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> {</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="namespacexrpl.html#a27a2f8bc1231a655aaa7a65a0aa5af53">ed25519Canonical</a>(sig))</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> </div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> <span class="comment">// We internally prefix Ed25519 keys with a 0xED</span></div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> <span class="comment">// byte to distinguish them from secp256k1 keys</span></div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> <span class="comment">// so when verifying the signature, we need to</span></div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> <span class="comment">// first strip that prefix.</span></div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> <span class="keywordflow">return</span> ed25519_sign_open(m.data(), m.size(), publicKey.data() + 1, sig.data()) == 0;</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> }</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> }</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span>}</div>
</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> </div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span><a class="code hl_typedef" href="namespacexrpl.html#a0aa0d0ac27a5d89351c5ce1b7b8ebc8a">NodeID</a></div>
<div class="foldopen" id="foldopen00273" data-start="{" data-end="}">
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"><a class="line" href="namespacexrpl.html#a9abe678bd054e982027565fca94794d2"> 273</a></span><a class="code hl_function" href="namespacexrpl.html#a9abe678bd054e982027565fca94794d2">calcNodeID</a>(<a class="code hl_class" href="classxrpl_1_1PublicKey.html">PublicKey</a> <span class="keyword">const</span>&amp; pk)</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span>{</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> <span class="keyword">static_assert</span>(<a class="code hl_variable" href="classxrpl_1_1base__uint.html#ae3e477069233fe118d7fcda37a13ad34">NodeID::bytes</a> == <span class="keyword">sizeof</span>(<a class="code hl_typedef" href="structxrpl_1_1ripesha__hasher.html#ae05e854b34e622a46b891772c2eadfe9">ripesha_hasher::result_type</a>));</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> </div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> <a class="code hl_struct" href="structxrpl_1_1ripesha__hasher.html">ripesha_hasher</a> h;</div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> h(pk.<a class="code hl_function" href="classxrpl_1_1PublicKey.html#a54b802ef3ad9a99bcb95abdeaec36f33">data</a>(), pk.<a class="code hl_function" href="classxrpl_1_1PublicKey.html#a5d9f615e7b56e4de26c1891a891c4a7a">size</a>());</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classxrpl_1_1base__uint.html">NodeID</a>{<span class="keyword">static_cast&lt;</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/array.html">ripesha_hasher::result_type</a><span class="keyword">&gt;</span>(h)};</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span>}</div>
</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> </div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span>} <span class="comment">// namespace xrpl</span></div>
<div class="ttc" id="aalgorithm_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/algorithm.html">algorithm</a></div></div>
<div class="ttc" id="aarray_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/array.html">std::array</a></div></div>
<div class="ttc" id="abasic_ostream_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::ostream</a></div></div>
<div class="ttc" id="abasic_string_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div></div>
<div class="ttc" id="aclassxrpl_1_1PublicKey_html"><div class="ttname"><a href="classxrpl_1_1PublicKey.html">xrpl::PublicKey</a></div><div class="ttdoc">A public key.</div><div class="ttdef"><b>Definition</b> <a href="PublicKey_8h_source.html#l00042">PublicKey.h:43</a></div></div>
<div class="ttc" id="aclassxrpl_1_1PublicKey_html_a54b802ef3ad9a99bcb95abdeaec36f33"><div class="ttname"><a href="classxrpl_1_1PublicKey.html#a54b802ef3ad9a99bcb95abdeaec36f33">xrpl::PublicKey::data</a></div><div class="ttdeci">std::uint8_t const * data() const noexcept</div><div class="ttdef"><b>Definition</b> <a href="PublicKey_8h_source.html#l00068">PublicKey.h:68</a></div></div>
<div class="ttc" id="aclassxrpl_1_1PublicKey_html_a5d9f615e7b56e4de26c1891a891c4a7a"><div class="ttname"><a href="classxrpl_1_1PublicKey.html#a5d9f615e7b56e4de26c1891a891c4a7a">xrpl::PublicKey::size</a></div><div class="ttdeci">std::size_t size() const noexcept</div><div class="ttdef"><b>Definition</b> <a href="PublicKey_8h_source.html#l00074">PublicKey.h:74</a></div></div>
<div class="ttc" id="aclassxrpl_1_1PublicKey_html_a814568699551b7f3a2d49993d5673ef7"><div class="ttname"><a href="classxrpl_1_1PublicKey.html#a814568699551b7f3a2d49993d5673ef7">xrpl::PublicKey::buf_</a></div><div class="ttdeci">std::uint8_t buf_[size_]</div><div class="ttdef"><b>Definition</b> <a href="PublicKey_8h_source.html#l00048">PublicKey.h:48</a></div></div>
<div class="ttc" id="aclassxrpl_1_1PublicKey_html_ad46f4b490287a7d6df68780c82509d68"><div class="ttname"><a href="classxrpl_1_1PublicKey.html#ad46f4b490287a7d6df68780c82509d68">xrpl::PublicKey::slice</a></div><div class="ttdeci">Slice slice() const noexcept</div><div class="ttdef"><b>Definition</b> <a href="PublicKey_8h_source.html#l00104">PublicKey.h:104</a></div></div>
<div class="ttc" id="aclassxrpl_1_1PublicKey_html_ae4c23e5c267cf0b356a4226650090b56"><div class="ttname"><a href="classxrpl_1_1PublicKey.html#ae4c23e5c267cf0b356a4226650090b56">xrpl::PublicKey::PublicKey</a></div><div class="ttdeci">PublicKey()=delete</div></div>
<div class="ttc" id="aclassxrpl_1_1PublicKey_html_ae9cdde8c9bfa406e9143bdb1a1084646"><div class="ttname"><a href="classxrpl_1_1PublicKey.html#ae9cdde8c9bfa406e9143bdb1a1084646">xrpl::PublicKey::operator=</a></div><div class="ttdeci">PublicKey &amp; operator=(PublicKey const &amp;other)</div><div class="ttdef"><b>Definition</b> <a href="PublicKey_8cpp_source.html#l00185">PublicKey.cpp:185</a></div></div>
<div class="ttc" id="aclassxrpl_1_1PublicKey_html_aecdb0d783dfda874a7f07fc5e900d24d"><div class="ttname"><a href="classxrpl_1_1PublicKey.html#aecdb0d783dfda874a7f07fc5e900d24d">xrpl::PublicKey::size_</a></div><div class="ttdeci">static constexpr std::size_t size_</div><div class="ttdef"><b>Definition</b> <a href="PublicKey_8h_source.html#l00047">PublicKey.h:47</a></div></div>
<div class="ttc" id="aclassxrpl_1_1Slice_html"><div class="ttname"><a href="classxrpl_1_1Slice.html">xrpl::Slice</a></div><div class="ttdoc">An immutable linear range of bytes.</div><div class="ttdef"><b>Definition</b> <a href="Slice_8h_source.html#l00026">Slice.h:27</a></div></div>
<div class="ttc" id="aclassxrpl_1_1Slice_html_a0851b18f2ad69c44907757ae8513819f"><div class="ttname"><a href="classxrpl_1_1Slice.html#a0851b18f2ad69c44907757ae8513819f">xrpl::Slice::empty</a></div><div class="ttdeci">bool empty() const noexcept</div><div class="ttdoc">Return true if the byte range is empty.</div><div class="ttdef"><b>Definition</b> <a href="Slice_8h_source.html#l00050">Slice.h:50</a></div></div>
<div class="ttc" id="aclassxrpl_1_1Slice_html_a14f9d0bcdbcdc33d275d40a71505c07a"><div class="ttname"><a href="classxrpl_1_1Slice.html#a14f9d0bcdbcdc33d275d40a71505c07a">xrpl::Slice::data</a></div><div class="ttdeci">std::uint8_t const * data() const noexcept</div><div class="ttdoc">Return a pointer to beginning of the storage.</div><div class="ttdef"><b>Definition</b> <a href="Slice_8h_source.html#l00078">Slice.h:78</a></div></div>
<div class="ttc" id="aclassxrpl_1_1Slice_html_a31f62df306959ff27eb9c5aeaa0265a8"><div class="ttname"><a href="classxrpl_1_1Slice.html#a31f62df306959ff27eb9c5aeaa0265a8">xrpl::Slice::size</a></div><div class="ttdeci">std::size_t size() const noexcept</div><div class="ttdoc">Returns the number of bytes in the storage.</div><div class="ttdef"><b>Definition</b> <a href="Slice_8h_source.html#l00061">Slice.h:61</a></div></div>
<div class="ttc" id="aclassxrpl_1_1base__uint_html"><div class="ttname"><a href="classxrpl_1_1base__uint.html">xrpl::base_uint&lt; 256 &gt;</a></div></div>
<div class="ttc" id="aclassxrpl_1_1base__uint_html_ae3e477069233fe118d7fcda37a13ad34"><div class="ttname"><a href="classxrpl_1_1base__uint.html#ae3e477069233fe118d7fcda37a13ad34">xrpl::base_uint&lt; 160, detail::NodeIDTag &gt;::bytes</a></div><div class="ttdeci">static std::size_t constexpr bytes</div><div class="ttdef"><b>Definition</b> <a href="base__uint_8h_source.html#l00085">base_uint.h:85</a></div></div>
<div class="ttc" id="acstdint_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/cstdint.html">cstdint</a></div></div>
<div class="ttc" id="acstring_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/cstring.html">cstring</a></div></div>
<div class="ttc" id="ainteger_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a></div></div>
<div class="ttc" id="ais_same_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/is_same.html">std::is_same_v</a></div><div class="ttdeci">T is_same_v</div></div>
<div class="ttc" id="alexicographical_compare_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/lexicographical_compare.html">std::lexicographical_compare</a></div><div class="ttdeci">T lexicographical_compare(T... args)</div></div>
<div class="ttc" id="amemcpy_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/byte/memcpy.html">std::memcpy</a></div><div class="ttdeci">T memcpy(T... args)</div></div>
<div class="ttc" id="anamespacexrpl_html"><div class="ttname"><a href="namespacexrpl.html">xrpl</a></div><div class="ttdoc">Use hash_* containers for keys that do not need a cryptographically secure hashing algorithm.</div><div class="ttdef"><b>Definition</b> <a href="algorithm_8h_source.html#l00006">algorithm.h:6</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a0aa0d0ac27a5d89351c5ce1b7b8ebc8a"><div class="ttname"><a href="namespacexrpl.html#a0aa0d0ac27a5d89351c5ce1b7b8ebc8a">xrpl::NodeID</a></div><div class="ttdeci">base_uint&lt; 160, detail::NodeIDTag &gt; NodeID</div><div class="ttdoc">NodeID is a 160-bit hash representing one node.</div><div class="ttdef"><b>Definition</b> <a href="UintTypes_8h_source.html#l00040">UintTypes.h:40</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a0b0d50fcc4520f33b4417f1b74eee591a8183aa2c95dc1385c8f58bf1917fcb0b"><div class="ttname"><a href="namespacexrpl.html#a0b0d50fcc4520f33b4417f1b74eee591a8183aa2c95dc1385c8f58bf1917fcb0b">xrpl::KeyType::ed25519</a></div><div class="ttdeci">@ ed25519</div></div>
<div class="ttc" id="anamespacexrpl_html_a0b0d50fcc4520f33b4417f1b74eee591a82c2b7829b8129e5a2d53665ba4b4757"><div class="ttname"><a href="namespacexrpl.html#a0b0d50fcc4520f33b4417f1b74eee591a82c2b7829b8129e5a2d53665ba4b4757">xrpl::KeyType::secp256k1</a></div><div class="ttdeci">@ secp256k1</div></div>
<div class="ttc" id="anamespacexrpl_html_a16550239e117c441e0e17bd1c67beeba"><div class="ttname"><a href="namespacexrpl.html#a16550239e117c441e0e17bd1c67beeba">xrpl::LogicError</a></div><div class="ttdeci">void LogicError(std::string const &amp;how) noexcept</div><div class="ttdoc">Called when faulty logic causes a broken invariant.</div><div class="ttdef"><b>Definition</b> <a href="libxrpl_2basics_2contract_8cpp_source.html#l00018">libxrpl/basics/contract.cpp:18</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a253464fb8098fbe2438ad1badcf26565"><div class="ttname"><a href="namespacexrpl.html#a253464fb8098fbe2438ad1badcf26565">xrpl::digest</a></div><div class="ttdeci">static Hasher::result_type digest(void const *data, std::size_t size) noexcept</div><div class="ttdef"><b>Definition</b> <a href="tokens_8cpp_source.html#l00137">tokens.cpp:137</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a27a2f8bc1231a655aaa7a65a0aa5af53"><div class="ttname"><a href="namespacexrpl.html#a27a2f8bc1231a655aaa7a65a0aa5af53">xrpl::ed25519Canonical</a></div><div class="ttdeci">static bool ed25519Canonical(Slice const &amp;sig)</div><div class="ttdef"><b>Definition</b> <a href="PublicKey_8cpp_source.html#l00147">PublicKey.cpp:147</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a2b5a0c8a1ab7f108aadf14effc57bada"><div class="ttname"><a href="namespacexrpl.html#a2b5a0c8a1ab7f108aadf14effc57bada">xrpl::verifyDigest</a></div><div class="ttdeci">bool verifyDigest(PublicKey const &amp;publicKey, uint256 const &amp;digest, Slice const &amp;sig, bool mustBeFullyCanonical=true) noexcept</div><div class="ttdoc">Verify a secp256k1 signature on the digest of a message.</div><div class="ttdef"><b>Definition</b> <a href="PublicKey_8cpp_source.html#l00213">PublicKey.cpp:213</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a2bf1136970cad3731cf6d24f054e119f"><div class="ttname"><a href="namespacexrpl.html#a2bf1136970cad3731cf6d24f054e119f">xrpl::sha512Half</a></div><div class="ttdeci">sha512_half_hasher::result_type sha512Half(Args const &amp;... args)</div><div class="ttdoc">Returns the SHA512-Half of a series of objects.</div><div class="ttdef"><b>Definition</b> <a href="digest_8h_source.html#l00205">digest.h:205</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a2d92828416e0caeb8fa2755a55199a2d"><div class="ttname"><a href="namespacexrpl.html#a2d92828416e0caeb8fa2755a55199a2d">xrpl::parseBase58</a></div><div class="ttdeci">std::optional&lt; AccountID &gt; parseBase58(std::string const &amp;s)</div><div class="ttdoc">Parse AccountID from checked, base58 string.</div><div class="ttdef"><b>Definition</b> <a href="AccountID_8cpp_source.html#l00102">AccountID.cpp:102</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a36b95700599f590017b5912e220baf5b"><div class="ttname"><a href="namespacexrpl.html#a36b95700599f590017b5912e220baf5b">xrpl::strHex</a></div><div class="ttdeci">std::string strHex(FwdIt begin, FwdIt end)</div><div class="ttdef"><b>Definition</b> <a href="strHex_8h_source.html#l00011">strHex.h:11</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a4947b0f613ec6e52fe87414063255880"><div class="ttname"><a href="namespacexrpl.html#a4947b0f613ec6e52fe87414063255880">xrpl::verify</a></div><div class="ttdeci">bool verify(PublicKey const &amp;publicKey, Slice const &amp;m, Slice const &amp;sig) noexcept</div><div class="ttdoc">Verify a signature on a message.</div><div class="ttdef"><b>Definition</b> <a href="PublicKey_8cpp_source.html#l00249">PublicKey.cpp:249</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a5230d8000cd8b985741c824dd779ab01"><div class="ttname"><a href="namespacexrpl.html#a5230d8000cd8b985741c824dd779ab01">xrpl::ecdsaCanonicality</a></div><div class="ttdeci">std::optional&lt; ECDSACanonicality &gt; ecdsaCanonicality(Slice const &amp;sig)</div><div class="ttdoc">Determines the canonicality of a signature.</div><div class="ttdef"><b>Definition</b> <a href="PublicKey_8cpp_source.html#l00110">PublicKey.cpp:110</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a588b222bb4a0e8eb023bcb778d479cf9"><div class="ttname"><a href="namespacexrpl.html#a588b222bb4a0e8eb023bcb778d479cf9">xrpl::operator&lt;&lt;</a></div><div class="ttdeci">std::ostream &amp; operator&lt;&lt;(std::ostream &amp;out, base_uint&lt; Bits, Tag &gt; const &amp;u)</div><div class="ttdef"><b>Definition</b> <a href="base__uint_8h_source.html#l00612">base_uint.h:613</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a7629062ffff8edd500f4b66d3440ac47"><div class="ttname"><a href="namespacexrpl.html#a7629062ffff8edd500f4b66d3440ac47">xrpl::publicKeyType</a></div><div class="ttdeci">std::optional&lt; KeyType &gt; publicKeyType(Slice const &amp;slice)</div><div class="ttdoc">Returns the type of public key.</div><div class="ttdef"><b>Definition</b> <a href="PublicKey_8cpp_source.html#l00198">PublicKey.cpp:198</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a9abe678bd054e982027565fca94794d2"><div class="ttname"><a href="namespacexrpl.html#a9abe678bd054e982027565fca94794d2">xrpl::calcNodeID</a></div><div class="ttdeci">NodeID calcNodeID(PublicKey const &amp;)</div><div class="ttdoc">Calculate the 160-bit node ID from a node public key.</div><div class="ttdef"><b>Definition</b> <a href="PublicKey_8cpp_source.html#l00273">PublicKey.cpp:273</a></div></div>
<div class="ttc" id="anamespacexrpl_html_aa328db67eeba5bbcb43ebba0e4f89b66"><div class="ttname"><a href="namespacexrpl.html#aa328db67eeba5bbcb43ebba0e4f89b66">xrpl::sigPart</a></div><div class="ttdeci">static std::optional&lt; Slice &gt; sigPart(Slice &amp;buf)</div><div class="ttdef"><b>Definition</b> <a href="PublicKey_8cpp_source.html#l00049">PublicKey.cpp:49</a></div></div>
<div class="ttc" id="anamespacexrpl_html_aa8c7f46eae8d74c40bfc3b547ab601be"><div class="ttname"><a href="namespacexrpl.html#aa8c7f46eae8d74c40bfc3b547ab601be">xrpl::secp256k1Context</a></div><div class="ttdeci">secp256k1_context const * secp256k1Context()</div><div class="ttdef"><b>Definition</b> <a href="secp256k1_8h_source.html#l00010">secp256k1.h:10</a></div></div>
<div class="ttc" id="anamespacexrpl_html_ab0ad02fb9cdef90852b93f1b57aacdc1"><div class="ttname"><a href="namespacexrpl.html#ab0ad02fb9cdef90852b93f1b57aacdc1">xrpl::TokenType</a></div><div class="ttdeci">TokenType</div><div class="ttdef"><b>Definition</b> <a href="tokens_8h_source.html#l00019">tokens.h:19</a></div></div>
<div class="ttc" id="anamespacexrpl_html_ab156a3d312075fd8fd1659542b68136f"><div class="ttname"><a href="namespacexrpl.html#ab156a3d312075fd8fd1659542b68136f">xrpl::sliceToHex</a></div><div class="ttdeci">static std::string sliceToHex(Slice const &amp;slice)</div><div class="ttdef"><b>Definition</b> <a href="PublicKey_8cpp_source.html#l00075">PublicKey.cpp:75</a></div></div>
<div class="ttc" id="anamespacexrpl_html_acb1a9b1647370fa776aaad063944ea17a3e23eeda3fe3fb70d1e274eab59199d1"><div class="ttname"><a href="namespacexrpl.html#acb1a9b1647370fa776aaad063944ea17a3e23eeda3fe3fb70d1e274eab59199d1">xrpl::ECDSACanonicality::fullyCanonical</a></div><div class="ttdeci">@ fullyCanonical</div></div>
<div class="ttc" id="anamespacexrpl_html_acb1a9b1647370fa776aaad063944ea17a9f3fda2fef6dda85970e12ce9a9b8cbe"><div class="ttname"><a href="namespacexrpl.html#acb1a9b1647370fa776aaad063944ea17a9f3fda2fef6dda85970e12ce9a9b8cbe">xrpl::ECDSACanonicality::canonical</a></div><div class="ttdeci">@ canonical</div></div>
<div class="ttc" id="anamespacexrpl_html_ade06aea604ced5ef1fd3c94ab573b646"><div class="ttname"><a href="namespacexrpl.html#ade06aea604ced5ef1fd3c94ab573b646">xrpl::makeSlice</a></div><div class="ttdeci">std::enable_if_t&lt; std::is_same&lt; T, char &gt;::value||std::is_same&lt; T, unsigned char &gt;::value, Slice &gt; makeSlice(std::array&lt; T, N &gt; const &amp;a)</div><div class="ttdef"><b>Definition</b> <a href="Slice_8h_source.html#l00214">Slice.h:214</a></div></div>
<div class="ttc" id="anamespacexrpl_html_aec03e7a86f99a0504b1c70d3c3cb6174"><div class="ttname"><a href="namespacexrpl.html#aec03e7a86f99a0504b1c70d3c3cb6174">xrpl::decodeBase58Token</a></div><div class="ttdeci">std::string decodeBase58Token(std::string const &amp;s, TokenType type)</div><div class="ttdef"><b>Definition</b> <a href="tokens_8cpp_source.html#l00186">tokens.cpp:186</a></div></div>
<div class="ttc" id="aoptional_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/optional.html">optional</a></div></div>
<div class="ttc" id="aostream_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/ostream.html">ostream</a></div></div>
<div class="ttc" id="areserve_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string/reserve.html">std::string::reserve</a></div><div class="ttdeci">T reserve(T... args)</div></div>
<div class="ttc" id="areverse_copy_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/reverse_copy.html">std::reverse_copy</a></div><div class="ttdeci">T reverse_copy(T... args)</div></div>
<div class="ttc" id="astring_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/string.html">string</a></div></div>
<div class="ttc" id="astructxrpl_1_1ripesha__hasher_html"><div class="ttname"><a href="structxrpl_1_1ripesha__hasher.html">xrpl::ripesha_hasher</a></div><div class="ttdoc">Returns the RIPEMD-160 digest of the SHA256 hash of the message.</div><div class="ttdef"><b>Definition</b> <a href="digest_8h_source.html#l00116">digest.h:117</a></div></div>
<div class="ttc" id="astructxrpl_1_1ripesha__hasher_html_ae05e854b34e622a46b891772c2eadfe9"><div class="ttname"><a href="structxrpl_1_1ripesha__hasher.html#ae05e854b34e622a46b891772c2eadfe9">xrpl::ripesha_hasher::result_type</a></div><div class="ttdeci">std::array&lt; std::uint8_t, 20 &gt; result_type</div><div class="ttdef"><b>Definition</b> <a href="digest_8h_source.html#l00124">digest.h:124</a></div></div>
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