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<a href="ecmult_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/**********************************************************************</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (c) 2013, 2014 Pieter Wuille *</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Distributed under the MIT software license, see the accompanying *</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * file COPYING or http://www.opensource.org/licenses/mit-license.php.*</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> **********************************************************************/</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> </div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#ifndef _SECP256K1_ECMULT_</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#define _SECP256K1_ECMULT_</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "<a class="code" href="num_8h.html">num.h</a>"</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "<a class="code" href="group_8h.html">group.h</a>"</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="line"><a name="l00013"></a><span class="lineno"><a class="line" href="structsecp256k1__ecmult__context.html"> 13</a></span> <span class="keyword">typedef</span> <span class="keyword">struct </span>{</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>  <span class="comment">/* For accelerating the computation of a*P + b*G: */</span></div><div class="line"><a name="l00015"></a><span class="lineno"><a class="line" href="structsecp256k1__ecmult__context.html#ac517c6e7e4f131328f395123fe4cb536"> 15</a></span>  <a class="code" href="structsecp256k1__ge__storage.html">secp256k1_ge_storage</a> (*pre_g)[]; <span class="comment">/* odd multiples of the generator */</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#ifdef USE_ENDOMORPHISM</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  <a class="code" href="structsecp256k1__ge__storage.html">secp256k1_ge_storage</a> (*pre_g_128)[]; <span class="comment">/* odd multiples of 2^128*generator */</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> } <a class="code" href="structsecp256k1__ecmult__context.html">secp256k1_ecmult_context</a>;</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="ecmult_8h.html#a3d2b8a81ffed27e7eca0058eb65831b5">secp256k1_ecmult_context_init</a>(<a class="code" href="structsecp256k1__ecmult__context.html">secp256k1_ecmult_context</a> *<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>);</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="ecmult_8h.html#acc2494f319c79f6cc15982f43e7a6f00">secp256k1_ecmult_context_build</a>(<a class="code" href="structsecp256k1__ecmult__context.html">secp256k1_ecmult_context</a> *<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, <span class="keyword">const</span> <a class="code" href="structsecp256k1__callback.html">secp256k1_callback</a> *cb);</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="ecmult_8h.html#a95a3e0c69a07d94a248cdb06328966f6">secp256k1_ecmult_context_clone</a>(<a class="code" href="structsecp256k1__ecmult__context.html">secp256k1_ecmult_context</a> *dst,</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="keyword">const</span> <a class="code" href="structsecp256k1__ecmult__context.html">secp256k1_ecmult_context</a> *src, <span class="keyword">const</span> <a class="code" href="structsecp256k1__callback.html">secp256k1_callback</a> *cb);</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="ecmult_8h.html#a0e60dbc86c237360d13ac9433caa13af">secp256k1_ecmult_context_clear</a>(<a class="code" href="structsecp256k1__ecmult__context.html">secp256k1_ecmult_context</a> *<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>);</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="ecmult_8h.html#aa4f6f213989d3ec35850c40c8f1b313b">secp256k1_ecmult_context_is_built</a>(<span class="keyword">const</span> <a class="code" href="structsecp256k1__ecmult__context.html">secp256k1_ecmult_context</a> *<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>);</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="ecmult_8h.html#aacf8b6ba48671daf24d549adb176366c">secp256k1_ecmult</a>(<span class="keyword">const</span> <a class="code" href="structsecp256k1__ecmult__context.html">secp256k1_ecmult_context</a> *<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, <a class="code" href="structsecp256k1__gej.html">secp256k1_gej</a> *r, <span class="keyword">const</span> <a class="code" href="structsecp256k1__gej.html">secp256k1_gej</a> *a, <span class="keyword">const</span> <a class="code" href="structsecp256k1__scalar.html">secp256k1_scalar</a> *na, <span class="keyword">const</span> <a class="code" href="structsecp256k1__scalar.html">secp256k1_scalar</a> *ng);</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="ecmult_8h_html_aa4f6f213989d3ec35850c40c8f1b313b"><div class="ttname"><a href="ecmult_8h.html#aa4f6f213989d3ec35850c40c8f1b313b">secp256k1_ecmult_context_is_built</a></div><div class="ttdeci">static int secp256k1_ecmult_context_is_built(const secp256k1_ecmult_context *ctx)</div></div>
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<div class="ttc" id="group_8h_html"><div class="ttname"><a href="group_8h.html">group.h</a></div></div>
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<div class="ttc" id="ecmult_8h_html_aacf8b6ba48671daf24d549adb176366c"><div class="ttname"><a href="ecmult_8h.html#aacf8b6ba48671daf24d549adb176366c">secp256k1_ecmult</a></div><div class="ttdeci">static void secp256k1_ecmult(const secp256k1_ecmult_context *ctx, secp256k1_gej *r, const secp256k1_gej *a, const secp256k1_scalar *na, const secp256k1_scalar *ng)</div></div>
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<div class="ttc" id="structsecp256k1__gej_html"><div class="ttname"><a href="structsecp256k1__gej.html">secp256k1_gej</a></div><div class="ttdef"><b>Definition:</b> <a href="group_8h_source.html#l00024">group.h:24</a></div></div>
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<div class="ttc" id="structsecp256k1__ge__storage_html"><div class="ttname"><a href="structsecp256k1__ge__storage.html">secp256k1_ge_storage</a></div><div class="ttdef"><b>Definition:</b> <a href="group_8h_source.html#l00034">group.h:34</a></div></div>
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<div class="ttc" id="ecmult_8h_html_a95a3e0c69a07d94a248cdb06328966f6"><div class="ttname"><a href="ecmult_8h.html#a95a3e0c69a07d94a248cdb06328966f6">secp256k1_ecmult_context_clone</a></div><div class="ttdeci">static void secp256k1_ecmult_context_clone(secp256k1_ecmult_context *dst, const secp256k1_ecmult_context *src, const secp256k1_callback *cb)</div></div>
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<div class="ttc" id="tests_8c_html_a06a3e29ada83211a695a49e8f7405842"><div class="ttname"><a href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a></div><div class="ttdeci">static secp256k1_context * ctx</div><div class="ttdef"><b>Definition:</b> <a href="tests_8c_source.html#l00042">tests.c:42</a></div></div>
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<div class="ttc" id="ecmult_8h_html_a3d2b8a81ffed27e7eca0058eb65831b5"><div class="ttname"><a href="ecmult_8h.html#a3d2b8a81ffed27e7eca0058eb65831b5">secp256k1_ecmult_context_init</a></div><div class="ttdeci">static void secp256k1_ecmult_context_init(secp256k1_ecmult_context *ctx)</div></div>
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<div class="ttc" id="structsecp256k1__scalar_html"><div class="ttname"><a href="structsecp256k1__scalar.html">secp256k1_scalar</a></div><div class="ttdef"><b>Definition:</b> <a href="scalar__4x64_8h_source.html#l00013">scalar_4x64.h:13</a></div></div>
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<div class="ttc" id="num_8h_html"><div class="ttname"><a href="num_8h.html">num.h</a></div></div>
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<div class="ttc" id="structsecp256k1__ecmult__context_html"><div class="ttname"><a href="structsecp256k1__ecmult__context.html">secp256k1_ecmult_context</a></div><div class="ttdef"><b>Definition:</b> <a href="ecmult_8h_source.html#l00013">ecmult.h:13</a></div></div>
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<div class="ttc" id="ecmult_8h_html_acc2494f319c79f6cc15982f43e7a6f00"><div class="ttname"><a href="ecmult_8h.html#acc2494f319c79f6cc15982f43e7a6f00">secp256k1_ecmult_context_build</a></div><div class="ttdeci">static void secp256k1_ecmult_context_build(secp256k1_ecmult_context *ctx, const secp256k1_callback *cb)</div></div>
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<div class="ttc" id="structsecp256k1__callback_html"><div class="ttname"><a href="structsecp256k1__callback.html">secp256k1_callback</a></div><div class="ttdef"><b>Definition:</b> <a href="secp256k1_2src_2util_8h_source.html#l00018">util.h:18</a></div></div>
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<div class="ttc" id="ecmult_8h_html_a0e60dbc86c237360d13ac9433caa13af"><div class="ttname"><a href="ecmult_8h.html#a0e60dbc86c237360d13ac9433caa13af">secp256k1_ecmult_context_clear</a></div><div class="ttdeci">static void secp256k1_ecmult_context_clear(secp256k1_ecmult_context *ctx)</div></div>
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