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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">SecretKey.cpp</div></div>
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<div class="contents">
<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="preprocessor">#include &lt;xrpl/basics/Buffer.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/Slice.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/base_uint.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/contract.h&gt;</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="preprocessor">#include &lt;xrpl/basics/strHex.h&gt;</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="preprocessor">#include &lt;xrpl/beast/utility/rngfill.h&gt;</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="preprocessor">#include &lt;xrpl/crypto/csprng.h&gt;</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="preprocessor">#include &lt;xrpl/crypto/secure_erase.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/KeyType.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/PublicKey.h&gt;</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#include &lt;xrpl/protocol/SecretKey.h&gt;</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#include &lt;xrpl/protocol/Seed.h&gt;</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="preprocessor">#include &lt;xrpl/protocol/detail/secp256k1.h&gt;</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include &lt;xrpl/protocol/digest.h&gt;</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="preprocessor">#include &lt;xrpl/protocol/tokens.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;boost/utility/string_view.hpp&gt;</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> </div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include &lt;ed25519.h&gt;</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include &lt;secp256k1.h&gt;</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</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/algorithm.html">algorithm</a>&gt;</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/array.html">array</a>&gt;</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</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="l00025" name="l00025"></a><span class="lineno"> 25</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="l00026" name="l00026"></a><span class="lineno"> 26</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="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/stdexcept.html">stdexcept</a>&gt;</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/utility.html">utility</a>&gt;</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> </div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceripple.html">ripple</a> {</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> </div>
<div class="foldopen" id="foldopen00032" data-start="{" data-end="}">
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"><a class="line" href="classripple_1_1SecretKey.html#aa5a985e1abc6503c7102c7f6529b0108"> 32</a></span><a class="code hl_function" href="classripple_1_1SecretKey.html#aa5a985e1abc6503c7102c7f6529b0108">SecretKey::~SecretKey</a>()</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span>{</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> <a class="code hl_function" href="namespaceripple.html#afce562bec88f81bc110dbdc1794eadcd">secure_erase</a>(<a class="code hl_variable" href="classripple_1_1SecretKey.html#ae507097e2c8e87bbb2f8fd23141524e6">buf_</a>, <span class="keyword">sizeof</span>(<a class="code hl_variable" href="classripple_1_1SecretKey.html#ae507097e2c8e87bbb2f8fd23141524e6">buf_</a>));</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span>}</div>
</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="foldopen" id="foldopen00037" data-start="{" data-end="}">
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"><a class="line" href="classripple_1_1SecretKey.html#a871ebdefeb39da279ca47aa11ed74931"> 37</a></span><a class="code hl_function" href="classripple_1_1SecretKey.html#ae5357e1ab209a7e982ce4ce8346e46e0">SecretKey::SecretKey</a>(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/array.html">std::array&lt;std::uint8_t, 32&gt;</a> <span class="keyword">const</span>&amp; key)</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span>{</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</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="classripple_1_1SecretKey.html#ae507097e2c8e87bbb2f8fd23141524e6">buf_</a>, key.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/array/data.html">data</a>(), key.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/array/size.html">size</a>());</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span>}</div>
</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="foldopen" id="foldopen00042" data-start="{" data-end="}">
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"><a class="line" href="classripple_1_1SecretKey.html#a7f1f02e8faf3e8e479a41be26c0f0949"> 42</a></span><a class="code hl_function" href="classripple_1_1SecretKey.html#ae5357e1ab209a7e982ce4ce8346e46e0">SecretKey::SecretKey</a>(<a class="code hl_class" href="classripple_1_1Slice.html">Slice</a> <span class="keyword">const</span>&amp; slice)</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="keywordflow">if</span> (slice.<a class="code hl_function" href="classripple_1_1Slice.html#aa6faa586508e0f849d4591d807353825">size</a>() != <span class="keyword">sizeof</span>(<a class="code hl_variable" href="classripple_1_1SecretKey.html#ae507097e2c8e87bbb2f8fd23141524e6">buf_</a>))</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">&quot;SecretKey::SecretKey: invalid size&quot;</span>);</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</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="classripple_1_1SecretKey.html#ae507097e2c8e87bbb2f8fd23141524e6">buf_</a>, slice.<a class="code hl_function" href="classripple_1_1Slice.html#a86b04f444930887410acd22b367efc8c">data</a>(), <span class="keyword">sizeof</span>(<a class="code hl_variable" href="classripple_1_1SecretKey.html#ae507097e2c8e87bbb2f8fd23141524e6">buf_</a>));</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span>}</div>
</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> </div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</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="foldopen00050" data-start="{" data-end="}">
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"><a class="line" href="classripple_1_1SecretKey.html#af1b7f3319d5daefd2f94ca4c3ac8fc1c"> 50</a></span><a class="code hl_function" href="classripple_1_1SecretKey.html#af1b7f3319d5daefd2f94ca4c3ac8fc1c">SecretKey::to_string</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceripple.html#a86e358ce3f06ff049af13c2342791cf8">strHex</a>(*<span class="keyword">this</span>);</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span>}</div>
</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> </div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span><span class="keyword">namespace </span>detail {</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> </div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span><span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00058" data-start="{" data-end="}">
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"><a class="line" href="namespaceripple_1_1detail.html#a68243c57c7d8b97e81f46e46bc9d1823"> 58</a></span><a class="code hl_function" href="namespaceripple_1_1detail.html#a68243c57c7d8b97e81f46e46bc9d1823">copy_uint32</a>(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a>* <a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> v)</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span>{</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> *<a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>++ = v &gt;&gt; 24;</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> *<a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>++ = (v &gt;&gt; 16) &amp; 0xff;</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> *<a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a>++ = (v &gt;&gt; 8) &amp; 0xff;</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> *<a class="code hl_enumvalue" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">out</a> = v &amp; 0xff;</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span>}</div>
</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> </div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span><a class="code hl_class" href="classripple_1_1base__uint.html">uint256</a></div>
<div class="foldopen" id="foldopen00067" data-start="{" data-end="}">
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"><a class="line" href="namespaceripple_1_1detail.html#aecc1aa4944a6cc802ab85597b012a2de"> 67</a></span><a class="code hl_function" href="namespaceripple_1_1detail.html#aecc1aa4944a6cc802ab85597b012a2de">deriveDeterministicRootKey</a>(<a class="code hl_class" href="classripple_1_1Seed.html">Seed</a> <span class="keyword">const</span>&amp; seed)</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> <span class="comment">// We fill this buffer with the seed and append a 32-bit &quot;counter&quot;</span></div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="comment">// that counts how many attempts we&#39;ve had to make to generate a</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="comment">// non-zero key that&#39;s less than the curve&#39;s order:</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="comment">//</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="comment">// 1 2</span></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="comment">// 0 6 0</span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="comment">// buf |----------------|----|</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="comment">// | seed | seq|</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> </div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/array.html">std::array&lt;std::uint8_t, 20&gt;</a> buf;</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/copy.html">std::copy</a>(seed.<a class="code hl_function" href="classripple_1_1Seed.html#af5a995ff9bc1cacad1ce2e699931088f">begin</a>(), seed.<a class="code hl_function" href="classripple_1_1Seed.html#a729078612030f02d5dd6a09be0ff47be">end</a>(), buf.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/array/begin.html">begin</a>());</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> </div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="comment">// The odds that this loop executes more than once are neglible</span></div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="comment">// but *just* in case someone managed to generate a key that required</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="comment">// more iterations loop a few times.</span></div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keywordflow">for</span> (<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> seq = 0; seq != 128; ++seq)</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> {</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <a class="code hl_function" href="namespaceripple_1_1detail.html#a68243c57c7d8b97e81f46e46bc9d1823">copy_uint32</a>(buf.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/array/data.html">data</a>() + 16, seq);</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="keyword">auto</span> <span class="keyword">const</span> ret = <a class="code hl_function" href="namespaceripple.html#ae3f5bc352766a1a8dbf5270eb7dbc2e7">sha512Half</a>(buf);</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="keywordflow">if</span> (secp256k1_ec_seckey_verify(<a class="code hl_function" href="namespaceripple.html#a00e18a10d625a1dd7c5fff26960a6d16">secp256k1Context</a>(), ret.data()) == 1)</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> {</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <a class="code hl_function" href="namespaceripple.html#afce562bec88f81bc110dbdc1794eadcd">secure_erase</a>(buf.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/array/data.html">data</a>(), buf.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/array/size.html">size</a>());</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="keywordflow">return</span> ret;</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> }</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> }</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> </div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> Throw&lt;std::runtime_error&gt;(<span class="stringliteral">&quot;Unable to derive generator from seed&quot;</span>);</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span>}</div>
</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> </div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span><span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="foldopen" id="foldopen00119" data-start="{" data-end="};">
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"><a class="line" href="classripple_1_1detail_1_1Generator.html"> 119</a></span><span class="keyword">class </span><a class="code hl_class" href="classripple_1_1detail_1_1Generator.html">Generator</a></div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span>{</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"><a class="line" href="classripple_1_1detail_1_1Generator.html#a5a47d648fed09ef1067300e95d6d833f"> 122</a></span> <a class="code hl_class" href="classripple_1_1base__uint.html">uint256</a> <a class="code hl_variable" href="classripple_1_1detail_1_1Generator.html#a5a47d648fed09ef1067300e95d6d833f">root_</a>;</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"><a class="line" href="classripple_1_1detail_1_1Generator.html#a7cbb4f3a78a09e2fb110c6726e24d859"> 123</a></span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/array.html">std::array&lt;std::uint8_t, 33&gt;</a> <a class="code hl_variable" href="classripple_1_1detail_1_1Generator.html#a7cbb4f3a78a09e2fb110c6726e24d859">generator_</a>;</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> </div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <a class="code hl_class" href="classripple_1_1base__uint.html">uint256</a></div>
<div class="foldopen" id="foldopen00126" data-start="{" data-end="}">
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"><a class="line" href="classripple_1_1detail_1_1Generator.html#a034ba31059edc745a9ef73de617c1c1f"> 126</a></span> <a class="code hl_function" href="classripple_1_1detail_1_1Generator.html#a034ba31059edc745a9ef73de617c1c1f">calculateTweak</a>(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> seq)<span class="keyword"> const</span></div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <span class="comment">// We fill the buffer with the generator, the provided sequence</span></div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="comment">// and a 32-bit counter tracking the number of attempts we have</span></div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <span class="comment">// already made looking for a non-zero key that&#39;s less than the</span></div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="comment">// curve&#39;s order:</span></div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="comment">// 3 3 4</span></div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="comment">// 0 pubGen 3 7 1</span></div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="comment">// buf |---------------------------------|----|----|</span></div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="comment">// | generator | seq| cnt|</span></div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> </div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/array.html">std::array&lt;std::uint8_t, 41&gt;</a> buf;</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/copy.html">std::copy</a>(<a class="code hl_variable" href="classripple_1_1detail_1_1Generator.html#a7cbb4f3a78a09e2fb110c6726e24d859">generator_</a>.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/array/begin.html">begin</a>(), <a class="code hl_variable" href="classripple_1_1detail_1_1Generator.html#a7cbb4f3a78a09e2fb110c6726e24d859">generator_</a>.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/array/end.html">end</a>(), buf.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/array/begin.html">begin</a>());</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <a class="code hl_function" href="namespaceripple_1_1detail.html#a68243c57c7d8b97e81f46e46bc9d1823">copy_uint32</a>(buf.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/array/data.html">data</a>() + 33, seq);</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> </div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="comment">// The odds that this loop executes more than once are neglible</span></div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="comment">// but we impose a maximum limit just in case.</span></div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="keywordflow">for</span> (<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> subseq = 0; subseq != 128; ++subseq)</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> {</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <a class="code hl_function" href="namespaceripple_1_1detail.html#a68243c57c7d8b97e81f46e46bc9d1823">copy_uint32</a>(buf.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/array/data.html">data</a>() + 37, subseq);</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> </div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keyword">auto</span> <span class="keyword">const</span> ret = <a class="code hl_function" href="namespaceripple.html#a050978987394e98cc85b0c5a15964799">sha512Half_s</a>(buf);</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> (secp256k1_ec_seckey_verify(<a class="code hl_function" href="namespaceripple.html#a00e18a10d625a1dd7c5fff26960a6d16">secp256k1Context</a>(), ret.data()) == 1)</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> {</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> <a class="code hl_function" href="namespaceripple.html#afce562bec88f81bc110dbdc1794eadcd">secure_erase</a>(buf.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/array/data.html">data</a>(), buf.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/array/size.html">size</a>());</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="keywordflow">return</span> ret;</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> }</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> }</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> Throw&lt;std::runtime_error&gt;(<span class="stringliteral">&quot;Unable to derive generator from seed&quot;</span>);</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> }</div>
</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> </div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span><span class="keyword">public</span>:</div>
<div class="foldopen" id="foldopen00160" data-start="{" data-end="}">
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"><a class="line" href="classripple_1_1detail_1_1Generator.html#ae11becc70b55539d04194b61ffe035c3"> 160</a></span> <span class="keyword">explicit</span> <a class="code hl_function" href="classripple_1_1detail_1_1Generator.html#ae11becc70b55539d04194b61ffe035c3">Generator</a>(<a class="code hl_class" href="classripple_1_1Seed.html">Seed</a> <span class="keyword">const</span>&amp; seed)</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> : <a class="code hl_variable" href="classripple_1_1detail_1_1Generator.html#a5a47d648fed09ef1067300e95d6d833f">root_</a>(<a class="code hl_function" href="namespaceripple_1_1detail.html#aecc1aa4944a6cc802ab85597b012a2de">deriveDeterministicRootKey</a>(seed))</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> {</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> secp256k1_pubkey pubkey;</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> <span class="keywordflow">if</span> (secp256k1_ec_pubkey_create(</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> <a class="code hl_function" href="namespaceripple.html#a00e18a10d625a1dd7c5fff26960a6d16">secp256k1Context</a>(), &amp;pubkey, <a class="code hl_variable" href="classripple_1_1detail_1_1Generator.html#a5a47d648fed09ef1067300e95d6d833f">root_</a>.<a class="code hl_function" href="classripple_1_1base__uint.html#a5342507fe2fb5ac55d578e7e98863f70">data</a>()) != 1)</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">&quot;derivePublicKey: secp256k1_ec_pubkey_create failed&quot;</span>);</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> </div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> <span class="keyword">auto</span> len = <a class="code hl_variable" href="classripple_1_1detail_1_1Generator.html#a7cbb4f3a78a09e2fb110c6726e24d859">generator_</a>.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/array/size.html">size</a>();</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> </div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <span class="keywordflow">if</span> (secp256k1_ec_pubkey_serialize(</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <a class="code hl_function" href="namespaceripple.html#a00e18a10d625a1dd7c5fff26960a6d16">secp256k1Context</a>(),</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <a class="code hl_variable" href="classripple_1_1detail_1_1Generator.html#a7cbb4f3a78a09e2fb110c6726e24d859">generator_</a>.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/array/data.html">data</a>(),</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> &amp;len,</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> &amp;pubkey,</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> SECP256K1_EC_COMPRESSED) != 1)</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">&quot;derivePublicKey: secp256k1_ec_pubkey_serialize failed&quot;</span>);</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="classripple_1_1detail_1_1Generator.html#aeeba66b5e9f8d3786bf3d23f108277ce"> 179</a></span> <a class="code hl_function" href="classripple_1_1detail_1_1Generator.html#aeeba66b5e9f8d3786bf3d23f108277ce">~Generator</a>()</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_function" href="namespaceripple.html#afce562bec88f81bc110dbdc1794eadcd">secure_erase</a>(<a class="code hl_variable" href="classripple_1_1detail_1_1Generator.html#a5a47d648fed09ef1067300e95d6d833f">root_</a>.<a class="code hl_function" href="classripple_1_1base__uint.html#a5342507fe2fb5ac55d578e7e98863f70">data</a>(), <a class="code hl_variable" href="classripple_1_1detail_1_1Generator.html#a5a47d648fed09ef1067300e95d6d833f">root_</a>.<a class="code hl_function" href="classripple_1_1base__uint.html#a64d93405f8d7ba89f0a406b32015758f">size</a>());</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> <a class="code hl_function" href="namespaceripple.html#afce562bec88f81bc110dbdc1794eadcd">secure_erase</a>(<a class="code hl_variable" href="classripple_1_1detail_1_1Generator.html#a7cbb4f3a78a09e2fb110c6726e24d859">generator_</a>.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/array/data.html">data</a>(), <a class="code hl_variable" href="classripple_1_1detail_1_1Generator.html#a7cbb4f3a78a09e2fb110c6726e24d859">generator_</a>.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/array/size.html">size</a>());</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> }</div>
</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> </div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;PublicKey, SecretKey&gt;</a></div>
<div class="foldopen" id="foldopen00187" data-start="{" data-end="}">
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"><a class="line" href="classripple_1_1detail_1_1Generator.html#a9a74354edbac88be7fc0fbcff8cfdd12"> 187</a></span> <a class="code hl_function" href="classripple_1_1detail_1_1Generator.html#a9a74354edbac88be7fc0fbcff8cfdd12">operator()</a>(<a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> ordinal)<span class="keyword"> const</span></div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <span class="comment">// Generates Nth secret key:</span></div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> <span class="keyword">auto</span> gsk = [<span class="keyword">this</span>, tweak = <a class="code hl_function" href="classripple_1_1detail_1_1Generator.html#a034ba31059edc745a9ef73de617c1c1f">calculateTweak</a>(ordinal)]() {</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> <span class="keyword">auto</span> rpk = <a class="code hl_variable" href="classripple_1_1detail_1_1Generator.html#a5a47d648fed09ef1067300e95d6d833f">root_</a>;</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> </div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="keywordflow">if</span> (secp256k1_ec_seckey_tweak_add(</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <a class="code hl_function" href="namespaceripple.html#a00e18a10d625a1dd7c5fff26960a6d16">secp256k1Context</a>(), rpk.data(), tweak.data()) == 1)</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> {</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <a class="code hl_class" href="classripple_1_1SecretKey.html">SecretKey</a> sk{<a class="code hl_class" href="classripple_1_1Slice.html">Slice</a>{rpk.<a class="code hl_function" href="classripple_1_1Slice.html#a86b04f444930887410acd22b367efc8c">data</a>(), rpk.size()}};</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <a class="code hl_function" href="namespaceripple.html#afce562bec88f81bc110dbdc1794eadcd">secure_erase</a>(rpk.data(), rpk.size());</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> <span class="keywordflow">return</span> sk;</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> </div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">&quot;Unable to add a tweak!&quot;</span>);</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> }();</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> </div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> <span class="keywordflow">return</span> {<a class="code hl_function" href="namespaceripple.html#a701ede864bf93a008a22a2a7fee9bfb3">derivePublicKey</a>(<a class="code hl_enumvalue" href="namespaceripple.html#a9de744cfdefe1132969eb982e57e4ddea82c2b7829b8129e5a2d53665ba4b4757">KeyType::secp256k1</a>, gsk), gsk};</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> }</div>
</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span>};</div>
</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>} <span class="comment">// namespace detail</span></div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> </div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span>Buffer</div>
<div class="foldopen" id="foldopen00211" data-start="{" data-end="}">
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"><a class="line" href="namespaceripple.html#aa1eec4457e3eaa67a2532f9da71fe4be"> 211</a></span><a class="code hl_function" href="namespaceripple.html#aa1eec4457e3eaa67a2532f9da71fe4be">signDigest</a>(<a class="code hl_class" href="classripple_1_1PublicKey.html">PublicKey</a> <span class="keyword">const</span>&amp; pk, <a class="code hl_class" href="classripple_1_1SecretKey.html">SecretKey</a> <span class="keyword">const</span>&amp; sk, <a class="code hl_class" href="classripple_1_1base__uint.html">uint256</a> <span class="keyword">const</span>&amp; <a class="code hl_function" href="namespaceripple.html#a91e9fe7a4e92dba79c3812fd3edcaacc">digest</a>)</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span>{</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespaceripple.html#a798e187ba7443d8f951b810a12d50976">publicKeyType</a>(pk.<a class="code hl_function" href="classripple_1_1PublicKey.html#ae0bcc607176a440ec63a86bae5767036">slice</a>()) != <a class="code hl_enumvalue" href="namespaceripple.html#a9de744cfdefe1132969eb982e57e4ddea82c2b7829b8129e5a2d53665ba4b4757">KeyType::secp256k1</a>)</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">&quot;sign: secp256k1 required for digest signing&quot;</span>);</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> </div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> BOOST_ASSERT(sk.<a class="code hl_function" href="classripple_1_1SecretKey.html#ad7c79a6193e24bdba977f7929dcbe49f">size</a>() == 32);</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> secp256k1_ecdsa_signature sig_imp;</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> <span class="keywordflow">if</span> (secp256k1_ecdsa_sign(</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> <a class="code hl_function" href="namespaceripple.html#a00e18a10d625a1dd7c5fff26960a6d16">secp256k1Context</a>(),</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> &amp;sig_imp,</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> <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="namespaceripple.html#a91e9fe7a4e92dba79c3812fd3edcaacc">digest</a>.data()),</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> <span class="keyword">reinterpret_cast&lt;</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> const*<span class="keyword">&gt;</span>(sk.<a class="code hl_function" href="classripple_1_1SecretKey.html#a274497da0aecd89a15b1a2fb5782c79a">data</a>()),</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> secp256k1_nonce_function_rfc6979,</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> <span class="keyword">nullptr</span>) != 1)</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">&quot;sign: secp256k1_ecdsa_sign failed&quot;</span>);</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> </div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> sig[72];</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> <span class="keywordtype">size_t</span> len = <span class="keyword">sizeof</span>(sig);</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> <span class="keywordflow">if</span> (secp256k1_ecdsa_signature_serialize_der(</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> <a class="code hl_function" href="namespaceripple.html#a00e18a10d625a1dd7c5fff26960a6d16">secp256k1Context</a>(), sig, &amp;len, &amp;sig_imp) != 1)</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">&quot;sign: secp256k1_ecdsa_signature_serialize_der failed&quot;</span>);</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> </div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classripple_1_1Buffer.html">Buffer</a>{sig, len};</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span>}</div>
</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> </div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span>Buffer</div>
<div class="foldopen" id="foldopen00237" data-start="{" data-end="}">
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"><a class="line" href="namespaceripple.html#a72ab42f87d2351b89ba8f47f5cfa70ba"> 237</a></span><a class="code hl_function" href="namespaceripple.html#a72ab42f87d2351b89ba8f47f5cfa70ba">sign</a>(<a class="code hl_class" href="classripple_1_1PublicKey.html">PublicKey</a> <span class="keyword">const</span>&amp; pk, <a class="code hl_class" href="classripple_1_1SecretKey.html">SecretKey</a> <span class="keyword">const</span>&amp; sk, <a class="code hl_class" href="classripple_1_1Slice.html">Slice</a> <span class="keyword">const</span>&amp; m)</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span>{</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> <span class="keyword">auto</span> <span class="keyword">const</span> type = <a class="code hl_function" href="namespaceripple.html#a798e187ba7443d8f951b810a12d50976">publicKeyType</a>(pk.<a class="code hl_function" href="classripple_1_1PublicKey.html#ae0bcc607176a440ec63a86bae5767036">slice</a>());</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> <span class="keywordflow">if</span> (!type)</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">&quot;sign: invalid type&quot;</span>);</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> <span class="keywordflow">switch</span> (*type)</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">case</span> <a class="code hl_enumvalue" href="namespaceripple.html#a9de744cfdefe1132969eb982e57e4ddea8183aa2c95dc1385c8f58bf1917fcb0b">KeyType::ed25519</a>: {</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> <a class="code hl_class" href="classripple_1_1Buffer.html">Buffer</a> b(64);</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> ed25519_sign(</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> m.<a class="code hl_function" href="classripple_1_1Slice.html#a86b04f444930887410acd22b367efc8c">data</a>(), m.<a class="code hl_function" href="classripple_1_1Slice.html#aa6faa586508e0f849d4591d807353825">size</a>(), sk.<a class="code hl_function" href="classripple_1_1SecretKey.html#a274497da0aecd89a15b1a2fb5782c79a">data</a>(), pk.<a class="code hl_function" href="classripple_1_1PublicKey.html#a0d1f7d8cc234d4bd69b0a6c529d12518">data</a>() + 1, b.<a class="code hl_function" href="classripple_1_1Buffer.html#afacfc9c6af70702429653e85073ce5a4">data</a>());</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> <span class="keywordflow">return</span> b;</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> }</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="namespaceripple.html#a9de744cfdefe1132969eb982e57e4ddea82c2b7829b8129e5a2d53665ba4b4757">KeyType::secp256k1</a>: {</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> <a class="code hl_struct" href="structripple_1_1detail_1_1basic__sha512__half__hasher.html">sha512_half_hasher</a> h;</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> h(m.<a class="code hl_function" href="classripple_1_1Slice.html#a86b04f444930887410acd22b367efc8c">data</a>(), m.<a class="code hl_function" href="classripple_1_1Slice.html#aa6faa586508e0f849d4591d807353825">size</a>());</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> <span class="keyword">auto</span> <span class="keyword">const</span> <a class="code hl_function" href="namespaceripple.html#a91e9fe7a4e92dba79c3812fd3edcaacc">digest</a> = <a class="code hl_typedef" href="structripple_1_1detail_1_1basic__sha512__half__hasher.html#a4f98fec6df2ce719160379880ee1414b">sha512_half_hasher::result_type</a>(h);</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> secp256k1_ecdsa_signature sig_imp;</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> <span class="keywordflow">if</span> (secp256k1_ecdsa_sign(</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> <a class="code hl_function" href="namespaceripple.html#a00e18a10d625a1dd7c5fff26960a6d16">secp256k1Context</a>(),</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> &amp;sig_imp,</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> <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="namespaceripple.html#a91e9fe7a4e92dba79c3812fd3edcaacc">digest</a>.data()),</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> <span class="keyword">reinterpret_cast&lt;</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> const*<span class="keyword">&gt;</span>(sk.<a class="code hl_function" href="classripple_1_1SecretKey.html#a274497da0aecd89a15b1a2fb5782c79a">data</a>()),</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> secp256k1_nonce_function_rfc6979,</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> <span class="keyword">nullptr</span>) != 1)</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">&quot;sign: secp256k1_ecdsa_sign failed&quot;</span>);</div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> </div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> sig[72];</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> <span class="keywordtype">size_t</span> len = <span class="keyword">sizeof</span>(sig);</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> <span class="keywordflow">if</span> (secp256k1_ecdsa_signature_serialize_der(</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <a class="code hl_function" href="namespaceripple.html#a00e18a10d625a1dd7c5fff26960a6d16">secp256k1Context</a>(), sig, &amp;len, &amp;sig_imp) != 1)</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> <span class="stringliteral">&quot;sign: secp256k1_ecdsa_signature_serialize_der failed&quot;</span>);</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> <span class="keywordflow">return</span> <a class="code hl_class" href="classripple_1_1Buffer.html">Buffer</a>{sig, len};</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> }</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> <span class="keywordflow">default</span>:</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">&quot;sign: invalid type&quot;</span>);</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>}</div>
</div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> </div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span>SecretKey</div>
<div class="foldopen" id="foldopen00280" data-start="{" data-end="}">
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"><a class="line" href="namespaceripple.html#a962f446a4782087cfa554c9c926681f8"> 280</a></span><a class="code hl_function" href="namespaceripple.html#a962f446a4782087cfa554c9c926681f8">randomSecretKey</a>()</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> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a> buf[32];</div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> <a class="code hl_function" href="namespacebeast.html#ad4d3145468ad564a92ac41b9812274a0">beast::rngfill</a>(buf, <span class="keyword">sizeof</span>(buf), <a class="code hl_function" href="namespaceripple.html#a64faabbdff83da8b7fd7aaafbb937867">crypto_prng</a>());</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> <a class="code hl_class" href="classripple_1_1SecretKey.html">SecretKey</a> sk(<a class="code hl_class" href="classripple_1_1Slice.html">Slice</a>{buf, <span class="keyword">sizeof</span>(buf)});</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> <a class="code hl_function" href="namespaceripple.html#afce562bec88f81bc110dbdc1794eadcd">secure_erase</a>(buf, <span class="keyword">sizeof</span>(buf));</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> <span class="keywordflow">return</span> sk;</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span>}</div>
</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> </div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span>SecretKey</div>
<div class="foldopen" id="foldopen00290" data-start="{" data-end="}">
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"><a class="line" href="namespaceripple.html#a71e61a96c4e0813a7b69b53f4b1d986f"> 290</a></span><a class="code hl_function" href="namespaceripple.html#a71e61a96c4e0813a7b69b53f4b1d986f">generateSecretKey</a>(<a class="code hl_enumeration" href="namespaceripple.html#a9de744cfdefe1132969eb982e57e4dde">KeyType</a> type, <a class="code hl_class" href="classripple_1_1Seed.html">Seed</a> <span class="keyword">const</span>&amp; seed)</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span>{</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> <span class="keywordflow">if</span> (type == <a class="code hl_enumvalue" href="namespaceripple.html#a9de744cfdefe1132969eb982e57e4ddea8183aa2c95dc1385c8f58bf1917fcb0b">KeyType::ed25519</a>)</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> {</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> <span class="keyword">auto</span> key = <a class="code hl_function" href="namespaceripple.html#a050978987394e98cc85b0c5a15964799">sha512Half_s</a>(<a class="code hl_class" href="classripple_1_1Slice.html">Slice</a>(seed.<a class="code hl_function" href="classripple_1_1Seed.html#af68c71670f8c0b4408e30e21c0672931">data</a>(), seed.<a class="code hl_function" href="classripple_1_1Seed.html#a2e19b7361ad3d037cd240b82eb947440">size</a>()));</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> <a class="code hl_class" href="classripple_1_1SecretKey.html">SecretKey</a> sk{<a class="code hl_class" href="classripple_1_1Slice.html">Slice</a>{key.<a class="code hl_function" href="classripple_1_1Slice.html#a86b04f444930887410acd22b367efc8c">data</a>(), key.size()}};</div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> <a class="code hl_function" href="namespaceripple.html#afce562bec88f81bc110dbdc1794eadcd">secure_erase</a>(key.data(), key.size());</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> <span class="keywordflow">return</span> sk;</div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> }</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> </div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> <span class="keywordflow">if</span> (type == <a class="code hl_enumvalue" href="namespaceripple.html#a9de744cfdefe1132969eb982e57e4ddea82c2b7829b8129e5a2d53665ba4b4757">KeyType::secp256k1</a>)</div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> {</div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> <span class="keyword">auto</span> key = <a class="code hl_function" href="namespaceripple_1_1detail.html#aecc1aa4944a6cc802ab85597b012a2de">detail::deriveDeterministicRootKey</a>(seed);</div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> <a class="code hl_class" href="classripple_1_1SecretKey.html">SecretKey</a> sk{<a class="code hl_class" href="classripple_1_1Slice.html">Slice</a>{key.<a class="code hl_function" href="classripple_1_1Slice.html#a86b04f444930887410acd22b367efc8c">data</a>(), key.size()}};</div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> <a class="code hl_function" href="namespaceripple.html#afce562bec88f81bc110dbdc1794eadcd">secure_erase</a>(key.data(), key.size());</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> <span class="keywordflow">return</span> sk;</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> }</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> </div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">&quot;generateSecretKey: unknown key type&quot;</span>);</div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span>}</div>
</div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> </div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span>PublicKey</div>
<div class="foldopen" id="foldopen00312" data-start="{" data-end="}">
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"><a class="line" href="namespaceripple.html#a701ede864bf93a008a22a2a7fee9bfb3"> 312</a></span><a class="code hl_function" href="namespaceripple.html#a701ede864bf93a008a22a2a7fee9bfb3">derivePublicKey</a>(<a class="code hl_enumeration" href="namespaceripple.html#a9de744cfdefe1132969eb982e57e4dde">KeyType</a> type, <a class="code hl_class" href="classripple_1_1SecretKey.html">SecretKey</a> <span class="keyword">const</span>&amp; sk)</div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span>{</div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> <span class="keywordflow">switch</span> (type)</div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> {</div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="namespaceripple.html#a9de744cfdefe1132969eb982e57e4ddea82c2b7829b8129e5a2d53665ba4b4757">KeyType::secp256k1</a>: {</div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> secp256k1_pubkey pubkey_imp;</div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> <span class="keywordflow">if</span> (secp256k1_ec_pubkey_create(</div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> <a class="code hl_function" href="namespaceripple.html#a00e18a10d625a1dd7c5fff26960a6d16">secp256k1Context</a>(),</div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> &amp;pubkey_imp,</div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> <span class="keyword">reinterpret_cast&lt;</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> const*<span class="keyword">&gt;</span>(sk.<a class="code hl_function" href="classripple_1_1SecretKey.html#a274497da0aecd89a15b1a2fb5782c79a">data</a>())) != 1)</div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(</div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> <span class="stringliteral">&quot;derivePublicKey: secp256k1_ec_pubkey_create failed&quot;</span>);</div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> </div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> pubkey[33];</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> len = <span class="keyword">sizeof</span>(pubkey);</div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> <span class="keywordflow">if</span> (secp256k1_ec_pubkey_serialize(</div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> <a class="code hl_function" href="namespaceripple.html#a00e18a10d625a1dd7c5fff26960a6d16">secp256k1Context</a>(),</div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> pubkey,</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> &amp;len,</div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> &amp;pubkey_imp,</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> SECP256K1_EC_COMPRESSED) != 1)</div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(</div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> <span class="stringliteral">&quot;derivePublicKey: secp256k1_ec_pubkey_serialize failed&quot;</span>);</div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> </div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classripple_1_1PublicKey.html">PublicKey</a>{<a class="code hl_class" href="classripple_1_1Slice.html">Slice</a>{pubkey, len}};</div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> }</div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="namespaceripple.html#a9de744cfdefe1132969eb982e57e4ddea8183aa2c95dc1385c8f58bf1917fcb0b">KeyType::ed25519</a>: {</div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> buf[33];</div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> buf[0] = 0xED;</div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> ed25519_publickey(sk.<a class="code hl_function" href="classripple_1_1SecretKey.html#a274497da0aecd89a15b1a2fb5782c79a">data</a>(), &amp;buf[1]);</div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classripple_1_1PublicKey.html">PublicKey</a>(<a class="code hl_class" href="classripple_1_1Slice.html">Slice</a>{buf, <span class="keyword">sizeof</span>(buf)});</div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> }</div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> <span class="keywordflow">default</span>:</div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> <a class="code hl_function" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">&quot;derivePublicKey: bad key type&quot;</span>);</div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> };</div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span>}</div>
</div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> </div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;PublicKey, SecretKey&gt;</a></div>
<div class="foldopen" id="foldopen00350" data-start="{" data-end="}">
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"><a class="line" href="namespaceripple.html#a32e911b97d6debe8943c81e6fdf59573"> 350</a></span><a class="code hl_function" href="namespaceripple.html#a32e911b97d6debe8943c81e6fdf59573">generateKeyPair</a>(<a class="code hl_enumeration" href="namespaceripple.html#a9de744cfdefe1132969eb982e57e4dde">KeyType</a> type, <a class="code hl_class" href="classripple_1_1Seed.html">Seed</a> <span class="keyword">const</span>&amp; seed)</div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span>{</div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> <span class="keywordflow">switch</span> (type)</div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> {</div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="namespaceripple.html#a9de744cfdefe1132969eb982e57e4ddea82c2b7829b8129e5a2d53665ba4b4757">KeyType::secp256k1</a>: {</div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> <a class="code hl_class" href="classripple_1_1detail_1_1Generator.html">detail::Generator</a> g(seed);</div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> <span class="keywordflow">return</span> g(0);</div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> }</div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> <span class="keywordflow">default</span>:</div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="namespaceripple.html#a9de744cfdefe1132969eb982e57e4ddea8183aa2c95dc1385c8f58bf1917fcb0b">KeyType::ed25519</a>: {</div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span> <span class="keyword">auto</span> <span class="keyword">const</span> sk = <a class="code hl_function" href="namespaceripple.html#a71e61a96c4e0813a7b69b53f4b1d986f">generateSecretKey</a>(type, seed);</div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span> <span class="keywordflow">return</span> {<a class="code hl_function" href="namespaceripple.html#a701ede864bf93a008a22a2a7fee9bfb3">derivePublicKey</a>(type, sk), sk};</div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span> }</div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> }</div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span>}</div>
</div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span> </div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair&lt;PublicKey, SecretKey&gt;</a></div>
<div class="foldopen" id="foldopen00367" data-start="{" data-end="}">
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"><a class="line" href="namespaceripple.html#ac52a0a522fc11bdd47fce39bd29f97bc"> 367</a></span><a class="code hl_function" href="namespaceripple.html#ac52a0a522fc11bdd47fce39bd29f97bc">randomKeyPair</a>(<a class="code hl_enumeration" href="namespaceripple.html#a9de744cfdefe1132969eb982e57e4dde">KeyType</a> type)</div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span>{</div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> <span class="keyword">auto</span> <span class="keyword">const</span> sk = <a class="code hl_function" href="namespaceripple.html#a962f446a4782087cfa554c9c926681f8">randomSecretKey</a>();</div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span> <span class="keywordflow">return</span> {<a class="code hl_function" href="namespaceripple.html#a701ede864bf93a008a22a2a7fee9bfb3">derivePublicKey</a>(type, sk), sk};</div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span>}</div>
</div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> </div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span><span class="keyword">template</span> &lt;&gt;</div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;SecretKey&gt;</a></div>
<div class="foldopen" id="foldopen00375" data-start="{" data-end="}">
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"><a class="line" href="namespaceripple.html#a3485cccb2d06199b8c79dbcfe35b0e62"> 375</a></span><a class="code hl_function" href="namespaceripple.html#a2d4b11b177a0b78f80727d7800399ff6">parseBase58</a>(<a class="code hl_enumeration" href="namespaceripple.html#a1bf8df553d36589191c8057c136cce03">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="l00376" name="l00376"></a><span class="lineno"> 376</span>{</div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span> <span class="keyword">auto</span> <span class="keyword">const</span> result = <a class="code hl_function" href="namespaceripple.html#a791e5b51e5921b1070bc195ba2959f3e">decodeBase58Token</a>(s, type);</div>
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> <span class="keywordflow">if</span> (result.empty())</div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</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="l00380" name="l00380"></a><span class="lineno"> 380</span> <span class="keywordflow">if</span> (result.size() != 32)</div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</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="l00382" name="l00382"></a><span class="lineno"> 382</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classripple_1_1SecretKey.html">SecretKey</a>(<a class="code hl_function" href="namespaceripple.html#a93f2333b362ee67694b78f55eadf7805">makeSlice</a>(result));</div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span>}</div>
</div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> </div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span>} <span class="comment">// namespace ripple</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/header/array.html">array</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="abegin_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/array/begin.html">std::array::begin</a></div><div class="ttdeci">T begin(T... args)</div></div>
<div class="ttc" id="aclassripple_1_1Buffer_html"><div class="ttname"><a href="classripple_1_1Buffer.html">ripple::Buffer</a></div><div class="ttdoc">Like std::vector&lt;char&gt; but better.</div><div class="ttdef"><b>Definition</b> <a href="Buffer_8h_source.html#l00016">Buffer.h:17</a></div></div>
<div class="ttc" id="aclassripple_1_1Buffer_html_afacfc9c6af70702429653e85073ce5a4"><div class="ttname"><a href="classripple_1_1Buffer.html#afacfc9c6af70702429653e85073ce5a4">ripple::Buffer::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="Buffer_8h_source.html#l00132">Buffer.h:132</a></div></div>
<div class="ttc" id="aclassripple_1_1PublicKey_html"><div class="ttname"><a href="classripple_1_1PublicKey.html">ripple::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="aclassripple_1_1PublicKey_html_a0d1f7d8cc234d4bd69b0a6c529d12518"><div class="ttname"><a href="classripple_1_1PublicKey.html#a0d1f7d8cc234d4bd69b0a6c529d12518">ripple::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="aclassripple_1_1PublicKey_html_ae0bcc607176a440ec63a86bae5767036"><div class="ttname"><a href="classripple_1_1PublicKey.html#ae0bcc607176a440ec63a86bae5767036">ripple::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="aclassripple_1_1SecretKey_html"><div class="ttname"><a href="classripple_1_1SecretKey.html">ripple::SecretKey</a></div><div class="ttdoc">A secret key.</div><div class="ttdef"><b>Definition</b> <a href="SecretKey_8h_source.html#l00018">SecretKey.h:19</a></div></div>
<div class="ttc" id="aclassripple_1_1SecretKey_html_a274497da0aecd89a15b1a2fb5782c79a"><div class="ttname"><a href="classripple_1_1SecretKey.html#a274497da0aecd89a15b1a2fb5782c79a">ripple::SecretKey::data</a></div><div class="ttdeci">std::uint8_t const * data() const</div><div class="ttdef"><b>Definition</b> <a href="SecretKey_8h_source.html#l00037">SecretKey.h:37</a></div></div>
<div class="ttc" id="aclassripple_1_1SecretKey_html_aa5a985e1abc6503c7102c7f6529b0108"><div class="ttname"><a href="classripple_1_1SecretKey.html#aa5a985e1abc6503c7102c7f6529b0108">ripple::SecretKey::~SecretKey</a></div><div class="ttdeci">~SecretKey()</div><div class="ttdef"><b>Definition</b> <a href="SecretKey_8cpp_source.html#l00032">SecretKey.cpp:32</a></div></div>
<div class="ttc" id="aclassripple_1_1SecretKey_html_ad7c79a6193e24bdba977f7929dcbe49f"><div class="ttname"><a href="classripple_1_1SecretKey.html#ad7c79a6193e24bdba977f7929dcbe49f">ripple::SecretKey::size</a></div><div class="ttdeci">std::size_t size() const</div><div class="ttdef"><b>Definition</b> <a href="SecretKey_8h_source.html#l00043">SecretKey.h:43</a></div></div>
<div class="ttc" id="aclassripple_1_1SecretKey_html_ae507097e2c8e87bbb2f8fd23141524e6"><div class="ttname"><a href="classripple_1_1SecretKey.html#ae507097e2c8e87bbb2f8fd23141524e6">ripple::SecretKey::buf_</a></div><div class="ttdeci">std::uint8_t buf_[32]</div><div class="ttdef"><b>Definition</b> <a href="SecretKey_8h_source.html#l00021">SecretKey.h:21</a></div></div>
<div class="ttc" id="aclassripple_1_1SecretKey_html_ae5357e1ab209a7e982ce4ce8346e46e0"><div class="ttname"><a href="classripple_1_1SecretKey.html#ae5357e1ab209a7e982ce4ce8346e46e0">ripple::SecretKey::SecretKey</a></div><div class="ttdeci">SecretKey()=delete</div></div>
<div class="ttc" id="aclassripple_1_1SecretKey_html_af1b7f3319d5daefd2f94ca4c3ac8fc1c"><div class="ttname"><a href="classripple_1_1SecretKey.html#af1b7f3319d5daefd2f94ca4c3ac8fc1c">ripple::SecretKey::to_string</a></div><div class="ttdeci">std::string to_string() const</div><div class="ttdoc">Convert the secret key to a hexadecimal string.</div><div class="ttdef"><b>Definition</b> <a href="SecretKey_8cpp_source.html#l00050">SecretKey.cpp:50</a></div></div>
<div class="ttc" id="aclassripple_1_1Seed_html"><div class="ttname"><a href="classripple_1_1Seed.html">ripple::Seed</a></div><div class="ttdoc">Seeds are used to generate deterministic secret keys.</div><div class="ttdef"><b>Definition</b> <a href="Seed_8h_source.html#l00014">Seed.h:15</a></div></div>
<div class="ttc" id="aclassripple_1_1Seed_html_a2e19b7361ad3d037cd240b82eb947440"><div class="ttname"><a href="classripple_1_1Seed.html#a2e19b7361ad3d037cd240b82eb947440">ripple::Seed::size</a></div><div class="ttdeci">std::size_t size() const</div><div class="ttdef"><b>Definition</b> <a href="Seed_8h_source.html#l00046">Seed.h:46</a></div></div>
<div class="ttc" id="aclassripple_1_1Seed_html_a729078612030f02d5dd6a09be0ff47be"><div class="ttname"><a href="classripple_1_1Seed.html#a729078612030f02d5dd6a09be0ff47be">ripple::Seed::end</a></div><div class="ttdeci">const_iterator end() const noexcept</div><div class="ttdef"><b>Definition</b> <a href="Seed_8h_source.html#l00064">Seed.h:64</a></div></div>
<div class="ttc" id="aclassripple_1_1Seed_html_af5a995ff9bc1cacad1ce2e699931088f"><div class="ttname"><a href="classripple_1_1Seed.html#af5a995ff9bc1cacad1ce2e699931088f">ripple::Seed::begin</a></div><div class="ttdeci">const_iterator begin() const noexcept</div><div class="ttdef"><b>Definition</b> <a href="Seed_8h_source.html#l00052">Seed.h:52</a></div></div>
<div class="ttc" id="aclassripple_1_1Seed_html_af68c71670f8c0b4408e30e21c0672931"><div class="ttname"><a href="classripple_1_1Seed.html#af68c71670f8c0b4408e30e21c0672931">ripple::Seed::data</a></div><div class="ttdeci">std::uint8_t const * data() const</div><div class="ttdef"><b>Definition</b> <a href="Seed_8h_source.html#l00040">Seed.h:40</a></div></div>
<div class="ttc" id="aclassripple_1_1Slice_html"><div class="ttname"><a href="classripple_1_1Slice.html">ripple::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="aclassripple_1_1Slice_html_a86b04f444930887410acd22b367efc8c"><div class="ttname"><a href="classripple_1_1Slice.html#a86b04f444930887410acd22b367efc8c">ripple::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#l00079">Slice.h:79</a></div></div>
<div class="ttc" id="aclassripple_1_1Slice_html_aa6faa586508e0f849d4591d807353825"><div class="ttname"><a href="classripple_1_1Slice.html#aa6faa586508e0f849d4591d807353825">ripple::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#l00062">Slice.h:62</a></div></div>
<div class="ttc" id="aclassripple_1_1base__uint_html"><div class="ttname"><a href="classripple_1_1base__uint.html">ripple::base_uint&lt; 256 &gt;</a></div></div>
<div class="ttc" id="aclassripple_1_1base__uint_html_a5342507fe2fb5ac55d578e7e98863f70"><div class="ttname"><a href="classripple_1_1base__uint.html#a5342507fe2fb5ac55d578e7e98863f70">ripple::base_uint::data</a></div><div class="ttdeci">pointer data()</div><div class="ttdef"><b>Definition</b> <a href="base__uint_8h_source.html#l00106">base_uint.h:106</a></div></div>
<div class="ttc" id="aclassripple_1_1base__uint_html_a64d93405f8d7ba89f0a406b32015758f"><div class="ttname"><a href="classripple_1_1base__uint.html#a64d93405f8d7ba89f0a406b32015758f">ripple::base_uint::size</a></div><div class="ttdeci">static constexpr std::size_t size()</div><div class="ttdef"><b>Definition</b> <a href="base__uint_8h_source.html#l00507">base_uint.h:507</a></div></div>
<div class="ttc" id="aclassripple_1_1detail_1_1Generator_html"><div class="ttname"><a href="classripple_1_1detail_1_1Generator.html">ripple::detail::Generator</a></div><div class="ttdoc">Produces a sequence of secp256k1 key pairs.</div><div class="ttdef"><b>Definition</b> <a href="SecretKey_8cpp_source.html#l00119">SecretKey.cpp:120</a></div></div>
<div class="ttc" id="aclassripple_1_1detail_1_1Generator_html_a034ba31059edc745a9ef73de617c1c1f"><div class="ttname"><a href="classripple_1_1detail_1_1Generator.html#a034ba31059edc745a9ef73de617c1c1f">ripple::detail::Generator::calculateTweak</a></div><div class="ttdeci">uint256 calculateTweak(std::uint32_t seq) const</div><div class="ttdef"><b>Definition</b> <a href="SecretKey_8cpp_source.html#l00126">SecretKey.cpp:126</a></div></div>
<div class="ttc" id="aclassripple_1_1detail_1_1Generator_html_a5a47d648fed09ef1067300e95d6d833f"><div class="ttname"><a href="classripple_1_1detail_1_1Generator.html#a5a47d648fed09ef1067300e95d6d833f">ripple::detail::Generator::root_</a></div><div class="ttdeci">uint256 root_</div><div class="ttdef"><b>Definition</b> <a href="SecretKey_8cpp_source.html#l00122">SecretKey.cpp:122</a></div></div>
<div class="ttc" id="aclassripple_1_1detail_1_1Generator_html_a7cbb4f3a78a09e2fb110c6726e24d859"><div class="ttname"><a href="classripple_1_1detail_1_1Generator.html#a7cbb4f3a78a09e2fb110c6726e24d859">ripple::detail::Generator::generator_</a></div><div class="ttdeci">std::array&lt; std::uint8_t, 33 &gt; generator_</div><div class="ttdef"><b>Definition</b> <a href="SecretKey_8cpp_source.html#l00123">SecretKey.cpp:123</a></div></div>
<div class="ttc" id="aclassripple_1_1detail_1_1Generator_html_a9a74354edbac88be7fc0fbcff8cfdd12"><div class="ttname"><a href="classripple_1_1detail_1_1Generator.html#a9a74354edbac88be7fc0fbcff8cfdd12">ripple::detail::Generator::operator()</a></div><div class="ttdeci">std::pair&lt; PublicKey, SecretKey &gt; operator()(std::size_t ordinal) const</div><div class="ttdoc">Generate the nth key pair.</div><div class="ttdef"><b>Definition</b> <a href="SecretKey_8cpp_source.html#l00187">SecretKey.cpp:187</a></div></div>
<div class="ttc" id="aclassripple_1_1detail_1_1Generator_html_ae11becc70b55539d04194b61ffe035c3"><div class="ttname"><a href="classripple_1_1detail_1_1Generator.html#ae11becc70b55539d04194b61ffe035c3">ripple::detail::Generator::Generator</a></div><div class="ttdeci">Generator(Seed const &amp;seed)</div><div class="ttdef"><b>Definition</b> <a href="SecretKey_8cpp_source.html#l00160">SecretKey.cpp:160</a></div></div>
<div class="ttc" id="aclassripple_1_1detail_1_1Generator_html_aeeba66b5e9f8d3786bf3d23f108277ce"><div class="ttname"><a href="classripple_1_1detail_1_1Generator.html#aeeba66b5e9f8d3786bf3d23f108277ce">ripple::detail::Generator::~Generator</a></div><div class="ttdeci">~Generator()</div><div class="ttdef"><b>Definition</b> <a href="SecretKey_8cpp_source.html#l00179">SecretKey.cpp:179</a></div></div>
<div class="ttc" id="acopy_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/copy.html">std::copy</a></div><div class="ttdeci">T copy(T... args)</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="adata_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/array/data.html">std::array::data</a></div><div class="ttdeci">T data(T... args)</div></div>
<div class="ttc" id="aend_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/array/end.html">std::array::end</a></div><div class="ttdeci">T end(T... args)</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="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="anamespacebeast_html_ad4d3145468ad564a92ac41b9812274a0"><div class="ttname"><a href="namespacebeast.html#ad4d3145468ad564a92ac41b9812274a0">beast::rngfill</a></div><div class="ttdeci">void rngfill(void *const buffer, std::size_t const bytes, Generator &amp;g)</div><div class="ttdef"><b>Definition</b> <a href="rngfill_8h_source.html#l00015">rngfill.h:15</a></div></div>
<div class="ttc" id="anamespaceripple_1_1detail_html_a68243c57c7d8b97e81f46e46bc9d1823"><div class="ttname"><a href="namespaceripple_1_1detail.html#a68243c57c7d8b97e81f46e46bc9d1823">ripple::detail::copy_uint32</a></div><div class="ttdeci">void copy_uint32(std::uint8_t *out, std::uint32_t v)</div><div class="ttdef"><b>Definition</b> <a href="SecretKey_8cpp_source.html#l00058">SecretKey.cpp:58</a></div></div>
<div class="ttc" id="anamespaceripple_1_1detail_html_aecc1aa4944a6cc802ab85597b012a2de"><div class="ttname"><a href="namespaceripple_1_1detail.html#aecc1aa4944a6cc802ab85597b012a2de">ripple::detail::deriveDeterministicRootKey</a></div><div class="ttdeci">uint256 deriveDeterministicRootKey(Seed const &amp;seed)</div><div class="ttdef"><b>Definition</b> <a href="SecretKey_8cpp_source.html#l00067">SecretKey.cpp:67</a></div></div>
<div class="ttc" id="anamespaceripple_html"><div class="ttname"><a href="namespaceripple.html">ripple</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="anamespaceripple_html_a00e18a10d625a1dd7c5fff26960a6d16"><div class="ttname"><a href="namespaceripple.html#a00e18a10d625a1dd7c5fff26960a6d16">ripple::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="anamespaceripple_html_a050978987394e98cc85b0c5a15964799"><div class="ttname"><a href="namespaceripple.html#a050978987394e98cc85b0c5a15964799">ripple::sha512Half_s</a></div><div class="ttdeci">sha512_half_hasher_s::result_type sha512Half_s(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#l00221">digest.h:221</a></div></div>
<div class="ttc" id="anamespaceripple_html_a1bf8df553d36589191c8057c136cce03"><div class="ttname"><a href="namespaceripple.html#a1bf8df553d36589191c8057c136cce03">ripple::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="anamespaceripple_html_a2d4b11b177a0b78f80727d7800399ff6"><div class="ttname"><a href="namespaceripple.html#a2d4b11b177a0b78f80727d7800399ff6">ripple::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#l00105">AccountID.cpp:105</a></div></div>
<div class="ttc" id="anamespaceripple_html_a32e911b97d6debe8943c81e6fdf59573"><div class="ttname"><a href="namespaceripple.html#a32e911b97d6debe8943c81e6fdf59573">ripple::generateKeyPair</a></div><div class="ttdeci">std::pair&lt; PublicKey, SecretKey &gt; generateKeyPair(KeyType type, Seed const &amp;seed)</div><div class="ttdoc">Generate a key pair deterministically.</div><div class="ttdef"><b>Definition</b> <a href="SecretKey_8cpp_source.html#l00350">SecretKey.cpp:350</a></div></div>
<div class="ttc" id="anamespaceripple_html_a64faabbdff83da8b7fd7aaafbb937867"><div class="ttname"><a href="namespaceripple.html#a64faabbdff83da8b7fd7aaafbb937867">ripple::crypto_prng</a></div><div class="ttdeci">csprng_engine &amp; crypto_prng()</div><div class="ttdoc">The default cryptographically secure PRNG.</div><div class="ttdef"><b>Definition</b> <a href="libxrpl_2crypto_2csprng_8cpp_source.html#l00084">libxrpl/crypto/csprng.cpp:84</a></div></div>
<div class="ttc" id="anamespaceripple_html_a701ede864bf93a008a22a2a7fee9bfb3"><div class="ttname"><a href="namespaceripple.html#a701ede864bf93a008a22a2a7fee9bfb3">ripple::derivePublicKey</a></div><div class="ttdeci">PublicKey derivePublicKey(KeyType type, SecretKey const &amp;sk)</div><div class="ttdoc">Derive the public key from a secret key.</div><div class="ttdef"><b>Definition</b> <a href="SecretKey_8cpp_source.html#l00312">SecretKey.cpp:312</a></div></div>
<div class="ttc" id="anamespaceripple_html_a71e61a96c4e0813a7b69b53f4b1d986f"><div class="ttname"><a href="namespaceripple.html#a71e61a96c4e0813a7b69b53f4b1d986f">ripple::generateSecretKey</a></div><div class="ttdeci">SecretKey generateSecretKey(KeyType type, Seed const &amp;seed)</div><div class="ttdoc">Generate a new secret key deterministically.</div><div class="ttdef"><b>Definition</b> <a href="SecretKey_8cpp_source.html#l00290">SecretKey.cpp:290</a></div></div>
<div class="ttc" id="anamespaceripple_html_a72ab42f87d2351b89ba8f47f5cfa70ba"><div class="ttname"><a href="namespaceripple.html#a72ab42f87d2351b89ba8f47f5cfa70ba">ripple::sign</a></div><div class="ttdeci">Buffer sign(PublicKey const &amp;pk, SecretKey const &amp;sk, Slice const &amp;message)</div><div class="ttdoc">Generate a signature for a message.</div><div class="ttdef"><b>Definition</b> <a href="SecretKey_8cpp_source.html#l00237">SecretKey.cpp:237</a></div></div>
<div class="ttc" id="anamespaceripple_html_a791e5b51e5921b1070bc195ba2959f3e"><div class="ttname"><a href="namespaceripple.html#a791e5b51e5921b1070bc195ba2959f3e">ripple::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#l00191">tokens.cpp:191</a></div></div>
<div class="ttc" id="anamespaceripple_html_a798e187ba7443d8f951b810a12d50976"><div class="ttname"><a href="namespaceripple.html#a798e187ba7443d8f951b810a12d50976">ripple::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#l00205">PublicKey.cpp:205</a></div></div>
<div class="ttc" id="anamespaceripple_html_a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275"><div class="ttname"><a href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569fedac68271a63ddbc431c307beb7d2918275">ripple::QualityDirection::out</a></div><div class="ttdeci">@ out</div></div>
<div class="ttc" id="anamespaceripple_html_a86e358ce3f06ff049af13c2342791cf8"><div class="ttname"><a href="namespaceripple.html#a86e358ce3f06ff049af13c2342791cf8">ripple::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="anamespaceripple_html_a91e9fe7a4e92dba79c3812fd3edcaacc"><div class="ttname"><a href="namespaceripple.html#a91e9fe7a4e92dba79c3812fd3edcaacc">ripple::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#l00138">tokens.cpp:138</a></div></div>
<div class="ttc" id="anamespaceripple_html_a93f2333b362ee67694b78f55eadf7805"><div class="ttname"><a href="namespaceripple.html#a93f2333b362ee67694b78f55eadf7805">ripple::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#l00225">Slice.h:225</a></div></div>
<div class="ttc" id="anamespaceripple_html_a962f446a4782087cfa554c9c926681f8"><div class="ttname"><a href="namespaceripple.html#a962f446a4782087cfa554c9c926681f8">ripple::randomSecretKey</a></div><div class="ttdeci">SecretKey randomSecretKey()</div><div class="ttdoc">Create a secret key using secure random numbers.</div><div class="ttdef"><b>Definition</b> <a href="SecretKey_8cpp_source.html#l00280">SecretKey.cpp:280</a></div></div>
<div class="ttc" id="anamespaceripple_html_a9de744cfdefe1132969eb982e57e4dde"><div class="ttname"><a href="namespaceripple.html#a9de744cfdefe1132969eb982e57e4dde">ripple::KeyType</a></div><div class="ttdeci">KeyType</div><div class="ttdef"><b>Definition</b> <a href="KeyType_8h_source.html#l00009">KeyType.h:9</a></div></div>
<div class="ttc" id="anamespaceripple_html_a9de744cfdefe1132969eb982e57e4ddea8183aa2c95dc1385c8f58bf1917fcb0b"><div class="ttname"><a href="namespaceripple.html#a9de744cfdefe1132969eb982e57e4ddea8183aa2c95dc1385c8f58bf1917fcb0b">ripple::KeyType::ed25519</a></div><div class="ttdeci">@ ed25519</div></div>
<div class="ttc" id="anamespaceripple_html_a9de744cfdefe1132969eb982e57e4ddea82c2b7829b8129e5a2d53665ba4b4757"><div class="ttname"><a href="namespaceripple.html#a9de744cfdefe1132969eb982e57e4ddea82c2b7829b8129e5a2d53665ba4b4757">ripple::KeyType::secp256k1</a></div><div class="ttdeci">@ secp256k1</div></div>
<div class="ttc" id="anamespaceripple_html_aa1eec4457e3eaa67a2532f9da71fe4be"><div class="ttname"><a href="namespaceripple.html#aa1eec4457e3eaa67a2532f9da71fe4be">ripple::signDigest</a></div><div class="ttdeci">Buffer signDigest(PublicKey const &amp;pk, SecretKey const &amp;sk, uint256 const &amp;digest)</div><div class="ttdoc">Generate a signature for a message digest.</div><div class="ttdef"><b>Definition</b> <a href="SecretKey_8cpp_source.html#l00211">SecretKey.cpp:211</a></div></div>
<div class="ttc" id="anamespaceripple_html_ac52a0a522fc11bdd47fce39bd29f97bc"><div class="ttname"><a href="namespaceripple.html#ac52a0a522fc11bdd47fce39bd29f97bc">ripple::randomKeyPair</a></div><div class="ttdeci">std::pair&lt; PublicKey, SecretKey &gt; randomKeyPair(KeyType type)</div><div class="ttdoc">Create a key pair using secure random numbers.</div><div class="ttdef"><b>Definition</b> <a href="SecretKey_8cpp_source.html#l00367">SecretKey.cpp:367</a></div></div>
<div class="ttc" id="anamespaceripple_html_ae3f5bc352766a1a8dbf5270eb7dbc2e7"><div class="ttname"><a href="namespaceripple.html#ae3f5bc352766a1a8dbf5270eb7dbc2e7">ripple::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="anamespaceripple_html_aefd2f77338ce3c9a2fffc4f0b289b483"><div class="ttname"><a href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">ripple::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="anamespaceripple_html_afce562bec88f81bc110dbdc1794eadcd"><div class="ttname"><a href="namespaceripple.html#afce562bec88f81bc110dbdc1794eadcd">ripple::secure_erase</a></div><div class="ttdeci">void secure_erase(void *dest, std::size_t bytes)</div><div class="ttdoc">Attempts to clear the given blob of memory.</div><div class="ttdef"><b>Definition</b> <a href="secure__erase_8cpp_source.html#l00010">secure_erase.cpp:10</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="apair_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/pair.html">std::pair</a></div></div>
<div class="ttc" id="asize_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/array/size.html">std::array::size</a></div><div class="ttdeci">T size(T... args)</div></div>
<div class="ttc" id="asize_t_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a></div></div>
<div class="ttc" id="astdexcept_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/stdexcept.html">stdexcept</a></div></div>
<div class="ttc" id="astructripple_1_1detail_1_1basic__sha512__half__hasher_html"><div class="ttname"><a href="structripple_1_1detail_1_1basic__sha512__half__hasher.html">ripple::detail::basic_sha512_half_hasher</a></div><div class="ttdoc">Returns the SHA512-Half digest of a message.</div><div class="ttdef"><b>Definition</b> <a href="digest_8h_source.html#l00152">digest.h:153</a></div></div>
<div class="ttc" id="astructripple_1_1detail_1_1basic__sha512__half__hasher_html_a4f98fec6df2ce719160379880ee1414b"><div class="ttname"><a href="structripple_1_1detail_1_1basic__sha512__half__hasher.html#a4f98fec6df2ce719160379880ee1414b">ripple::detail::basic_sha512_half_hasher::result_type</a></div><div class="ttdeci">uint256 result_type</div><div class="ttdef"><b>Definition</b> <a href="digest_8h_source.html#l00160">digest.h:160</a></div></div>
<div class="ttc" id="autility_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/utility.html">utility</a></div></div>
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