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<a href="recovery_2tests__impl_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">/**********************************************************************</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment"> * Copyright (c) 2013-2015 Pieter Wuille *</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<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>&#160;<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>&#160;<span class="comment"> **********************************************************************/</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;</div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="preprocessor">#ifndef _SECP256K1_MODULE_RECOVERY_TESTS_</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="preprocessor">#define _SECP256K1_MODULE_RECOVERY_TESTS_</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;</div><div class="line"><a name="l00010"></a><span class="lineno"><a class="line" href="recovery_2tests__impl_8h.html#a70649882936497184992dfaa06b1106f"> 10</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="recovery_2tests__impl_8h.html#a70649882936497184992dfaa06b1106f">test_ecdsa_recovery_end_to_end</a>(<span class="keywordtype">void</span>) {</div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> extra[32] = {0x00};</div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> privkey[32];</div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> message[32];</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160; <a class="code" href="structsecp256k1__ecdsa__signature.html">secp256k1_ecdsa_signature</a> signature[5];</div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160; <a class="code" href="structsecp256k1__ecdsa__recoverable__signature.html">secp256k1_ecdsa_recoverable_signature</a> rsignature[5];</div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> sig[74];</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160; <a class="code" href="structsecp256k1__pubkey.html">secp256k1_pubkey</a> pubkey;</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160; <a class="code" href="structsecp256k1__pubkey.html">secp256k1_pubkey</a> recpubkey;</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; <span class="keywordtype">int</span> recid = 0;</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160; <span class="comment">/* Generate a random key and message. */</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160; {</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160; <a class="code" href="structsecp256k1__scalar.html">secp256k1_scalar</a> <a class="code" href="namespacezmq__sub.html#ab82b53c595929ff5ab2d30ec91fd539a">msg</a>, <a class="code" href="namespaceextract__strings__qt.html#a1b7a78cde0039f63310f11692b713dca">key</a>;</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160; <a class="code" href="tests_8c.html#a51e09e6745e0afdb0d596ee0f4b3c3f7">random_scalar_order_test</a>(&amp;<a class="code" href="namespacezmq__sub.html#ab82b53c595929ff5ab2d30ec91fd539a">msg</a>);</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160; <a class="code" href="tests_8c.html#a51e09e6745e0afdb0d596ee0f4b3c3f7">random_scalar_order_test</a>(&amp;<a class="code" href="namespaceextract__strings__qt.html#a1b7a78cde0039f63310f11692b713dca">key</a>);</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; <a class="code" href="scalar_8h.html#a4fa08f8af5a23f505b44c9ef1bec1831">secp256k1_scalar_get_b32</a>(privkey, &amp;<a class="code" href="namespaceextract__strings__qt.html#a1b7a78cde0039f63310f11692b713dca">key</a>);</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; <a class="code" href="scalar_8h.html#a4fa08f8af5a23f505b44c9ef1bec1831">secp256k1_scalar_get_b32</a>(message, &amp;<a class="code" href="namespacezmq__sub.html#ab82b53c595929ff5ab2d30ec91fd539a">msg</a>);</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; }</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; <span class="comment">/* Construct and verify corresponding public key. */</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1_8h.html#a366f922fc0c787351e82ff8e3a95f652">secp256k1_ec_seckey_verify</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, privkey) == 1);</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1_8h.html#a7438071aa8a6dc4697abe4f4659f2161">secp256k1_ec_pubkey_create</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;pubkey, privkey) == 1);</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; <span class="comment">/* Serialize/parse compact and verify/recover. */</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; extra[0] = 0;</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1__recovery_8h.html#a1b1f4423a232f681e90e5f9d28f3d148">secp256k1_ecdsa_sign_recoverable</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;rsignature[0], message, privkey, NULL, NULL) == 1);</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1_8h.html#a691c048f3a3b4e7f51417c57ec058be7">secp256k1_ecdsa_sign</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;signature[0], message, privkey, NULL, NULL) == 1);</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1__recovery_8h.html#a1b1f4423a232f681e90e5f9d28f3d148">secp256k1_ecdsa_sign_recoverable</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;rsignature[4], message, privkey, NULL, NULL) == 1);</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1__recovery_8h.html#a1b1f4423a232f681e90e5f9d28f3d148">secp256k1_ecdsa_sign_recoverable</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;rsignature[1], message, privkey, NULL, extra) == 1);</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; extra[31] = 1;</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1__recovery_8h.html#a1b1f4423a232f681e90e5f9d28f3d148">secp256k1_ecdsa_sign_recoverable</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;rsignature[2], message, privkey, NULL, extra) == 1);</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; extra[31] = 0;</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; extra[0] = 1;</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1__recovery_8h.html#a1b1f4423a232f681e90e5f9d28f3d148">secp256k1_ecdsa_sign_recoverable</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;rsignature[3], message, privkey, NULL, extra) == 1);</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1__recovery_8h.html#a12f08c89ceb61949c6a4ec6eb2511185">secp256k1_ecdsa_recoverable_signature_serialize_compact</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, sig, &amp;recid, &amp;rsignature[4]) == 1);</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1__recovery_8h.html#ad7a20c9f7ccd9fc6d75a19a3b4195aa5">secp256k1_ecdsa_recoverable_signature_convert</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;signature[4], &amp;rsignature[4]) == 1);</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(memcmp(&amp;signature[4], &amp;signature[0], 64) == 0);</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1_8h.html#a41065390f9039c4140ec04999724987d">secp256k1_ecdsa_verify</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;signature[4], message, &amp;pubkey) == 1);</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; memset(&amp;rsignature[4], 0, <span class="keyword">sizeof</span>(rsignature[4]));</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1__recovery_8h.html#a6699b45dc75be70f028ac7d8ffaba46e">secp256k1_ecdsa_recoverable_signature_parse_compact</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;rsignature[4], sig, recid) == 1);</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1__recovery_8h.html#ad7a20c9f7ccd9fc6d75a19a3b4195aa5">secp256k1_ecdsa_recoverable_signature_convert</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;signature[4], &amp;rsignature[4]) == 1);</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1_8h.html#a41065390f9039c4140ec04999724987d">secp256k1_ecdsa_verify</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;signature[4], message, &amp;pubkey) == 1);</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <span class="comment">/* Parse compact (with recovery id) and recover. */</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1__recovery_8h.html#a6699b45dc75be70f028ac7d8ffaba46e">secp256k1_ecdsa_recoverable_signature_parse_compact</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;rsignature[4], sig, recid) == 1);</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1__recovery_8h.html#a7e156c6f4be24b07f4a563210dcb1a2e">secp256k1_ecdsa_recover</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;recpubkey, &amp;rsignature[4], message) == 1);</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(memcmp(&amp;pubkey, &amp;recpubkey, <span class="keyword">sizeof</span>(pubkey)) == 0);</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="comment">/* Serialize/destroy/parse signature and verify again. */</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1__recovery_8h.html#a12f08c89ceb61949c6a4ec6eb2511185">secp256k1_ecdsa_recoverable_signature_serialize_compact</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, sig, &amp;recid, &amp;rsignature[4]) == 1);</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; sig[<a class="code" href="testrand_8h.html#a70a3e97a30b94a77f4a59807ba01e6ba">secp256k1_rand_bits</a>(6)] += 1 + <a class="code" href="testrand_8h.html#a2e2064cdf87588f68f4ba3131f5d9353">secp256k1_rand_int</a>(255);</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1__recovery_8h.html#a6699b45dc75be70f028ac7d8ffaba46e">secp256k1_ecdsa_recoverable_signature_parse_compact</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;rsignature[4], sig, recid) == 1);</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1__recovery_8h.html#ad7a20c9f7ccd9fc6d75a19a3b4195aa5">secp256k1_ecdsa_recoverable_signature_convert</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;signature[4], &amp;rsignature[4]) == 1);</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1_8h.html#a41065390f9039c4140ec04999724987d">secp256k1_ecdsa_verify</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;signature[4], message, &amp;pubkey) == 0);</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="comment">/* Recover again */</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1__recovery_8h.html#a7e156c6f4be24b07f4a563210dcb1a2e">secp256k1_ecdsa_recover</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;recpubkey, &amp;rsignature[4], message) == 0 ||</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; memcmp(&amp;pubkey, &amp;recpubkey, <span class="keyword">sizeof</span>(pubkey)) != 0);</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;}</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;<span class="comment">/* Tests several edge cases. */</span></div><div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="recovery_2tests__impl_8h.html#ad6d3138600637a7c940bc40a22795e46"> 69</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="recovery_2tests__impl_8h.html#ad6d3138600637a7c940bc40a22795e46">test_ecdsa_recovery_edge_cases</a>(<span class="keywordtype">void</span>) {</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> msg32[32] = {</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <span class="charliteral">&#39;T&#39;</span>, <span class="charliteral">&#39;h&#39;</span>, <span class="charliteral">&#39;i&#39;</span>, <span class="charliteral">&#39;s&#39;</span>, <span class="charliteral">&#39; &#39;</span>, <span class="charliteral">&#39;i&#39;</span>, <span class="charliteral">&#39;s&#39;</span>, <span class="charliteral">&#39; &#39;</span>,</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <span class="charliteral">&#39;a&#39;</span>, <span class="charliteral">&#39; &#39;</span>, <span class="charliteral">&#39;v&#39;</span>, <span class="charliteral">&#39;e&#39;</span>, <span class="charliteral">&#39;r&#39;</span>, <span class="charliteral">&#39;y&#39;</span>, <span class="charliteral">&#39; &#39;</span>, <span class="charliteral">&#39;s&#39;</span>,</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <span class="charliteral">&#39;e&#39;</span>, <span class="charliteral">&#39;c&#39;</span>, <span class="charliteral">&#39;r&#39;</span>, <span class="charliteral">&#39;e&#39;</span>, <span class="charliteral">&#39;t&#39;</span>, <span class="charliteral">&#39; &#39;</span>, <span class="charliteral">&#39;m&#39;</span>, <span class="charliteral">&#39;e&#39;</span>,</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <span class="charliteral">&#39;s&#39;</span>, <span class="charliteral">&#39;s&#39;</span>, <span class="charliteral">&#39;a&#39;</span>, <span class="charliteral">&#39;g&#39;</span>, <span class="charliteral">&#39;e&#39;</span>, <span class="charliteral">&#39;.&#39;</span>, <span class="charliteral">&#39;.&#39;</span>, <span class="charliteral">&#39;.&#39;</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; };</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> sig64[64] = {</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="comment">/* Generated by signing the above message with nonce &#39;This is the nonce we will use...&#39;</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;<span class="comment"> * and secret key 0 (which is not valid), resulting in recid 0. */</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; 0x67, 0xCB, 0x28, 0x5F, 0x9C, 0xD1, 0x94, 0xE8,</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; 0x40, 0xD6, 0x29, 0x39, 0x7A, 0xF5, 0x56, 0x96,</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; 0x62, 0xFD, 0xE4, 0x46, 0x49, 0x99, 0x59, 0x63,</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; 0x17, 0x9A, 0x7D, 0xD1, 0x7B, 0xD2, 0x35, 0x32,</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; 0x4B, 0x1B, 0x7D, 0xF3, 0x4C, 0xE1, 0xF6, 0x8E,</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; 0x69, 0x4F, 0xF6, 0xF1, 0x1A, 0xC7, 0x51, 0xDD,</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; 0x7D, 0xD7, 0x3E, 0x38, 0x7E, 0xE4, 0xFC, 0x86,</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; 0x6E, 0x1B, 0xE8, 0xEC, 0xC7, 0xDD, 0x95, 0x57</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; };</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; <a class="code" href="structsecp256k1__pubkey.html">secp256k1_pubkey</a> pubkey;</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <span class="comment">/* signature (r,s) = (4,4), which can be recovered with all 4 recids. */</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> sigb64[64] = {</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04,</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04,</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; };</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <a class="code" href="structsecp256k1__pubkey.html">secp256k1_pubkey</a> pubkeyb;</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <a class="code" href="structsecp256k1__ecdsa__recoverable__signature.html">secp256k1_ecdsa_recoverable_signature</a> rsig;</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; <a class="code" href="structsecp256k1__ecdsa__signature.html">secp256k1_ecdsa_signature</a> sig;</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; <span class="keywordtype">int</span> recid;</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160;</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1__recovery_8h.html#a6699b45dc75be70f028ac7d8ffaba46e">secp256k1_ecdsa_recoverable_signature_parse_compact</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;rsig, sig64, 0));</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(!<a class="code" href="secp256k1__recovery_8h.html#a7e156c6f4be24b07f4a563210dcb1a2e">secp256k1_ecdsa_recover</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;pubkey, &amp;rsig, msg32));</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1__recovery_8h.html#a6699b45dc75be70f028ac7d8ffaba46e">secp256k1_ecdsa_recoverable_signature_parse_compact</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;rsig, sig64, 1));</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1__recovery_8h.html#a7e156c6f4be24b07f4a563210dcb1a2e">secp256k1_ecdsa_recover</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;pubkey, &amp;rsig, msg32));</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1__recovery_8h.html#a6699b45dc75be70f028ac7d8ffaba46e">secp256k1_ecdsa_recoverable_signature_parse_compact</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;rsig, sig64, 2));</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(!<a class="code" href="secp256k1__recovery_8h.html#a7e156c6f4be24b07f4a563210dcb1a2e">secp256k1_ecdsa_recover</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;pubkey, &amp;rsig, msg32));</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1__recovery_8h.html#a6699b45dc75be70f028ac7d8ffaba46e">secp256k1_ecdsa_recoverable_signature_parse_compact</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;rsig, sig64, 3));</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(!<a class="code" href="secp256k1__recovery_8h.html#a7e156c6f4be24b07f4a563210dcb1a2e">secp256k1_ecdsa_recover</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;pubkey, &amp;rsig, msg32));</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160;</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; <span class="keywordflow">for</span> (recid = 0; recid &lt; 4; recid++) {</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; <span class="keywordtype">int</span> i;</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <span class="keywordtype">int</span> recid2;</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <span class="comment">/* (4,4) encoded in DER. */</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> sigbder[8] = {0x30, 0x06, 0x02, 0x01, 0x04, 0x02, 0x01, 0x04};</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> sigcder_zr[7] = {0x30, 0x05, 0x02, 0x00, 0x02, 0x01, 0x01};</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> sigcder_zs[7] = {0x30, 0x05, 0x02, 0x01, 0x01, 0x02, 0x00};</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> sigbderalt1[39] = {</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; 0x30, 0x25, 0x02, 0x20, 0x00, 0x00, 0x00, 0x00,</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; 0x00, 0x00, 0x00, 0x04, 0x02, 0x01, 0x04,</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; };</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> sigbderalt2[39] = {</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; 0x30, 0x25, 0x02, 0x01, 0x04, 0x02, 0x20, 0x00,</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04,</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; };</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> sigbderalt3[40] = {</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; 0x30, 0x26, 0x02, 0x21, 0x00, 0x00, 0x00, 0x00,</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; 0x00, 0x00, 0x00, 0x00, 0x04, 0x02, 0x01, 0x04,</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; };</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> sigbderalt4[40] = {</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; 0x30, 0x26, 0x02, 0x01, 0x04, 0x02, 0x21, 0x00,</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04,</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; };</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; <span class="comment">/* (order + r,4) encoded in DER. */</span></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> sigbderlong[40] = {</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; 0x30, 0x26, 0x02, 0x21, 0x00, 0xFF, 0xFF, 0xFF,</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; 0xFF, 0xFF, 0xFF, 0xFF, 0xFE, 0xBA, 0xAE, 0xDC,</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; 0xE6, 0xAF, 0x48, 0xA0, 0x3B, 0xBF, 0xD2, 0x5E,</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; 0x8C, 0xD0, 0x36, 0x41, 0x45, 0x02, 0x01, 0x04</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; };</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1__recovery_8h.html#a6699b45dc75be70f028ac7d8ffaba46e">secp256k1_ecdsa_recoverable_signature_parse_compact</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;rsig, sigb64, recid) == 1);</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1__recovery_8h.html#a7e156c6f4be24b07f4a563210dcb1a2e">secp256k1_ecdsa_recover</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;pubkeyb, &amp;rsig, msg32) == 1);</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1_8h.html#a57d390dd5baa54855b0cb20628034b90">secp256k1_ecdsa_signature_parse_der</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;sig, sigbder, <span class="keyword">sizeof</span>(sigbder)) == 1);</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1_8h.html#a41065390f9039c4140ec04999724987d">secp256k1_ecdsa_verify</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;sig, msg32, &amp;pubkeyb) == 1);</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; <span class="keywordflow">for</span> (recid2 = 0; recid2 &lt; 4; recid2++) {</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; <a class="code" href="structsecp256k1__pubkey.html">secp256k1_pubkey</a> pubkey2b;</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1__recovery_8h.html#a6699b45dc75be70f028ac7d8ffaba46e">secp256k1_ecdsa_recoverable_signature_parse_compact</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;rsig, sigb64, recid2) == 1);</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1__recovery_8h.html#a7e156c6f4be24b07f4a563210dcb1a2e">secp256k1_ecdsa_recover</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;pubkey2b, &amp;rsig, msg32) == 1);</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; <span class="comment">/* Verifying with (order + r,4) should always fail. */</span></div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1_8h.html#a57d390dd5baa54855b0cb20628034b90">secp256k1_ecdsa_signature_parse_der</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;sig, sigbderlong, <span class="keyword">sizeof</span>(sigbderlong)) == 1);</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1_8h.html#a41065390f9039c4140ec04999724987d">secp256k1_ecdsa_verify</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;sig, msg32, &amp;pubkeyb) == 0);</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; }</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; <span class="comment">/* DER parsing tests. */</span></div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; <span class="comment">/* Zero length r/s. */</span></div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1_8h.html#a57d390dd5baa54855b0cb20628034b90">secp256k1_ecdsa_signature_parse_der</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;sig, sigcder_zr, <span class="keyword">sizeof</span>(sigcder_zr)) == 0);</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1_8h.html#a57d390dd5baa54855b0cb20628034b90">secp256k1_ecdsa_signature_parse_der</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;sig, sigcder_zs, <span class="keyword">sizeof</span>(sigcder_zs)) == 0);</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; <span class="comment">/* Leading zeros. */</span></div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1_8h.html#a57d390dd5baa54855b0cb20628034b90">secp256k1_ecdsa_signature_parse_der</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;sig, sigbderalt1, <span class="keyword">sizeof</span>(sigbderalt1)) == 0);</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1_8h.html#a57d390dd5baa54855b0cb20628034b90">secp256k1_ecdsa_signature_parse_der</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;sig, sigbderalt2, <span class="keyword">sizeof</span>(sigbderalt2)) == 0);</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1_8h.html#a57d390dd5baa54855b0cb20628034b90">secp256k1_ecdsa_signature_parse_der</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;sig, sigbderalt3, <span class="keyword">sizeof</span>(sigbderalt3)) == 0);</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1_8h.html#a57d390dd5baa54855b0cb20628034b90">secp256k1_ecdsa_signature_parse_der</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;sig, sigbderalt4, <span class="keyword">sizeof</span>(sigbderalt4)) == 0);</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; sigbderalt3[4] = 1;</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1_8h.html#a57d390dd5baa54855b0cb20628034b90">secp256k1_ecdsa_signature_parse_der</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;sig, sigbderalt3, <span class="keyword">sizeof</span>(sigbderalt3)) == 1);</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1_8h.html#a41065390f9039c4140ec04999724987d">secp256k1_ecdsa_verify</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;sig, msg32, &amp;pubkeyb) == 0);</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; sigbderalt4[7] = 1;</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1_8h.html#a57d390dd5baa54855b0cb20628034b90">secp256k1_ecdsa_signature_parse_der</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;sig, sigbderalt4, <span class="keyword">sizeof</span>(sigbderalt4)) == 1);</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1_8h.html#a41065390f9039c4140ec04999724987d">secp256k1_ecdsa_verify</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;sig, msg32, &amp;pubkeyb) == 0);</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; <span class="comment">/* Damage signature. */</span></div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; sigbder[7]++;</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1_8h.html#a57d390dd5baa54855b0cb20628034b90">secp256k1_ecdsa_signature_parse_der</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;sig, sigbder, <span class="keyword">sizeof</span>(sigbder)) == 1);</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1_8h.html#a41065390f9039c4140ec04999724987d">secp256k1_ecdsa_verify</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;sig, msg32, &amp;pubkeyb) == 0);</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; sigbder[7]--;</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1_8h.html#a57d390dd5baa54855b0cb20628034b90">secp256k1_ecdsa_signature_parse_der</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;sig, sigbder, 6) == 0);</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1_8h.html#a57d390dd5baa54855b0cb20628034b90">secp256k1_ecdsa_signature_parse_der</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;sig, sigbder, <span class="keyword">sizeof</span>(sigbder) - 1) == 0);</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; <span class="keywordflow">for</span>(i = 0; i &lt; 8; i++) {</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; <span class="keywordtype">int</span> c;</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> orig = sigbder[i];</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; <span class="comment">/*Try every single-byte change.*/</span></div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; <span class="keywordflow">for</span> (c = 0; c &lt; 256; c++) {</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; <span class="keywordflow">if</span> (c == orig ) {</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; <span class="keywordflow">continue</span>;</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; }</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; sigbder[i] = c;</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1_8h.html#a57d390dd5baa54855b0cb20628034b90">secp256k1_ecdsa_signature_parse_der</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;sig, sigbder, <span class="keyword">sizeof</span>(sigbder)) == 0 || <a class="code" href="secp256k1_8h.html#a41065390f9039c4140ec04999724987d">secp256k1_ecdsa_verify</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;sig, msg32, &amp;pubkeyb) == 0);</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; }</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; sigbder[i] = orig;</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; }</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; }</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160;</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; <span class="comment">/* Test r/s equal to zero */</span></div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; {</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; <span class="comment">/* (1,1) encoded in DER. */</span></div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> sigcder[8] = {0x30, 0x06, 0x02, 0x01, 0x01, 0x02, 0x01, 0x01};</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> sigc64[64] = {</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; };</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; <a class="code" href="structsecp256k1__pubkey.html">secp256k1_pubkey</a> pubkeyc;</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1__recovery_8h.html#a6699b45dc75be70f028ac7d8ffaba46e">secp256k1_ecdsa_recoverable_signature_parse_compact</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;rsig, sigc64, 0) == 1);</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1__recovery_8h.html#a7e156c6f4be24b07f4a563210dcb1a2e">secp256k1_ecdsa_recover</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;pubkeyc, &amp;rsig, msg32) == 1);</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1_8h.html#a57d390dd5baa54855b0cb20628034b90">secp256k1_ecdsa_signature_parse_der</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;sig, sigcder, <span class="keyword">sizeof</span>(sigcder)) == 1);</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1_8h.html#a41065390f9039c4140ec04999724987d">secp256k1_ecdsa_verify</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;sig, msg32, &amp;pubkeyc) == 1);</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; sigcder[4] = 0;</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160; sigc64[31] = 0;</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1__recovery_8h.html#a6699b45dc75be70f028ac7d8ffaba46e">secp256k1_ecdsa_recoverable_signature_parse_compact</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;rsig, sigc64, 0) == 1);</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1__recovery_8h.html#a7e156c6f4be24b07f4a563210dcb1a2e">secp256k1_ecdsa_recover</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;pubkeyb, &amp;rsig, msg32) == 0);</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1_8h.html#a57d390dd5baa54855b0cb20628034b90">secp256k1_ecdsa_signature_parse_der</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;sig, sigcder, <span class="keyword">sizeof</span>(sigcder)) == 1);</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1_8h.html#a41065390f9039c4140ec04999724987d">secp256k1_ecdsa_verify</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;sig, msg32, &amp;pubkeyc) == 0);</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160; sigcder[4] = 1;</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160; sigcder[7] = 0;</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160; sigc64[31] = 1;</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160; sigc64[63] = 0;</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1__recovery_8h.html#a6699b45dc75be70f028ac7d8ffaba46e">secp256k1_ecdsa_recoverable_signature_parse_compact</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;rsig, sigc64, 0) == 1);</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1__recovery_8h.html#a7e156c6f4be24b07f4a563210dcb1a2e">secp256k1_ecdsa_recover</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;pubkeyb, &amp;rsig, msg32) == 0);</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1_8h.html#a57d390dd5baa54855b0cb20628034b90">secp256k1_ecdsa_signature_parse_der</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;sig, sigcder, <span class="keyword">sizeof</span>(sigcder)) == 1);</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>&#160; <a class="code" href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a>(<a class="code" href="secp256k1_8h.html#a41065390f9039c4140ec04999724987d">secp256k1_ecdsa_verify</a>(<a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>, &amp;sig, msg32, &amp;pubkeyc) == 0);</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160; }</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160;}</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>&#160;</div><div class="line"><a name="l00242"></a><span class="lineno"><a class="line" href="recovery_2tests__impl_8h.html#a3a06f71955483e9502f3c408857407f2"> 242</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="recovery_2tests__impl_8h.html#a3a06f71955483e9502f3c408857407f2">run_recovery_tests</a>(<span class="keywordtype">void</span>) {</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>&#160; <span class="keywordtype">int</span> i;</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160; <span class="keywordflow">for</span> (i = 0; i &lt; 64*<a class="code" href="tests_8c.html#ad43c3812e6d13e0518d9f8b8f463ffcf">count</a>; i++) {</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160; <a class="code" href="recovery_2tests__impl_8h.html#a70649882936497184992dfaa06b1106f">test_ecdsa_recovery_end_to_end</a>();</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160; }</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160; <a class="code" href="recovery_2tests__impl_8h.html#ad6d3138600637a7c940bc40a22795e46">test_ecdsa_recovery_edge_cases</a>();</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160;}</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160;</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160;<span class="preprocessor">#endif</span></div><div class="ttc" id="secp256k1__recovery_8h_html_a6699b45dc75be70f028ac7d8ffaba46e"><div class="ttname"><a href="secp256k1__recovery_8h.html#a6699b45dc75be70f028ac7d8ffaba46e">secp256k1_ecdsa_recoverable_signature_parse_compact</a></div><div class="ttdeci">SECP256K1_API int secp256k1_ecdsa_recoverable_signature_parse_compact(const secp256k1_context *ctx, secp256k1_ecdsa_recoverable_signature *sig, const unsigned char *input64, int recid) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3)</div><div class="ttdef"><b>Definition:</b> <a href="recovery_2main__impl_8h_source.html#l00038">main_impl.h:38</a></div></div>
<div class="ttc" id="recovery_2tests__impl_8h_html_a70649882936497184992dfaa06b1106f"><div class="ttname"><a href="recovery_2tests__impl_8h.html#a70649882936497184992dfaa06b1106f">test_ecdsa_recovery_end_to_end</a></div><div class="ttdeci">void test_ecdsa_recovery_end_to_end(void)</div><div class="ttdef"><b>Definition:</b> <a href="recovery_2tests__impl_8h_source.html#l00010">tests_impl.h:10</a></div></div>
<div class="ttc" id="structsecp256k1__ecdsa__recoverable__signature_html"><div class="ttname"><a href="structsecp256k1__ecdsa__recoverable__signature.html">secp256k1_ecdsa_recoverable_signature</a></div><div class="ttdef"><b>Definition:</b> <a href="secp256k1__recovery_8h_source.html#l00024">secp256k1_recovery.h:24</a></div></div>
<div class="ttc" id="secp256k1__recovery_8h_html_ad7a20c9f7ccd9fc6d75a19a3b4195aa5"><div class="ttname"><a href="secp256k1__recovery_8h.html#ad7a20c9f7ccd9fc6d75a19a3b4195aa5">secp256k1_ecdsa_recoverable_signature_convert</a></div><div class="ttdeci">SECP256K1_API int secp256k1_ecdsa_recoverable_signature_convert(const secp256k1_context *ctx, secp256k1_ecdsa_signature *sig, const secp256k1_ecdsa_recoverable_signature *sigin) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3)</div><div class="ttdef"><b>Definition:</b> <a href="recovery_2main__impl_8h_source.html#l00074">main_impl.h:74</a></div></div>
<div class="ttc" id="testrand_8h_html_a2e2064cdf87588f68f4ba3131f5d9353"><div class="ttname"><a href="testrand_8h.html#a2e2064cdf87588f68f4ba3131f5d9353">secp256k1_rand_int</a></div><div class="ttdeci">static uint32_t secp256k1_rand_int(uint32_t range)</div></div>
<div class="ttc" id="secp256k1_8h_html_a7438071aa8a6dc4697abe4f4659f2161"><div class="ttname"><a href="secp256k1_8h.html#a7438071aa8a6dc4697abe4f4659f2161">secp256k1_ec_pubkey_create</a></div><div class="ttdeci">SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ec_pubkey_create(const secp256k1_context *ctx, secp256k1_pubkey *pubkey, const unsigned char *seckey) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3)</div><div class="ttdef"><b>Definition:</b> <a href="secp256k1_8c_source.html#l00409">secp256k1.c:409</a></div></div>
<div class="ttc" id="recovery_2tests__impl_8h_html_ad6d3138600637a7c940bc40a22795e46"><div class="ttname"><a href="recovery_2tests__impl_8h.html#ad6d3138600637a7c940bc40a22795e46">test_ecdsa_recovery_edge_cases</a></div><div class="ttdeci">void test_ecdsa_recovery_edge_cases(void)</div><div class="ttdef"><b>Definition:</b> <a href="recovery_2tests__impl_8h_source.html#l00069">tests_impl.h:69</a></div></div>
<div class="ttc" id="secp256k1_8h_html_a366f922fc0c787351e82ff8e3a95f652"><div class="ttname"><a href="secp256k1_8h.html#a366f922fc0c787351e82ff8e3a95f652">secp256k1_ec_seckey_verify</a></div><div class="ttdeci">SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ec_seckey_verify(const secp256k1_context *ctx, const unsigned char *seckey) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2)</div><div class="ttdef"><b>Definition:</b> <a href="secp256k1_8c_source.html#l00395">secp256k1.c:395</a></div></div>
<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>
<div class="ttc" id="secp256k1_8h_html_a691c048f3a3b4e7f51417c57ec058be7"><div class="ttname"><a href="secp256k1_8h.html#a691c048f3a3b4e7f51417c57ec058be7">secp256k1_ecdsa_sign</a></div><div class="ttdeci">SECP256K1_API int secp256k1_ecdsa_sign(const secp256k1_context *ctx, secp256k1_ecdsa_signature *sig, const unsigned char *msg32, const unsigned char *seckey, secp256k1_nonce_function noncefp, const void *ndata) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4)</div><div class="ttdef"><b>Definition:</b> <a href="secp256k1_8c_source.html#l00349">secp256k1.c:349</a></div></div>
<div class="ttc" id="secp256k1__recovery_8h_html_a1b1f4423a232f681e90e5f9d28f3d148"><div class="ttname"><a href="secp256k1__recovery_8h.html#a1b1f4423a232f681e90e5f9d28f3d148">secp256k1_ecdsa_sign_recoverable</a></div><div class="ttdeci">SECP256K1_API int secp256k1_ecdsa_sign_recoverable(const secp256k1_context *ctx, secp256k1_ecdsa_recoverable_signature *sig, const unsigned char *msg32, const unsigned char *seckey, secp256k1_nonce_function noncefp, const void *ndata) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4)</div><div class="ttdef"><b>Definition:</b> <a href="recovery_2main__impl_8h_source.html#l00123">main_impl.h:123</a></div></div>
<div class="ttc" id="structsecp256k1__ecdsa__signature_html"><div class="ttname"><a href="structsecp256k1__ecdsa__signature.html">secp256k1_ecdsa_signature</a></div><div class="ttdef"><b>Definition:</b> <a href="secp256k1_8h_source.html#l00072">secp256k1.h:72</a></div></div>
<div class="ttc" id="secp256k1__recovery_8h_html_a12f08c89ceb61949c6a4ec6eb2511185"><div class="ttname"><a href="secp256k1__recovery_8h.html#a12f08c89ceb61949c6a4ec6eb2511185">secp256k1_ecdsa_recoverable_signature_serialize_compact</a></div><div class="ttdeci">SECP256K1_API int secp256k1_ecdsa_recoverable_signature_serialize_compact(const secp256k1_context *ctx, unsigned char *output64, int *recid, const secp256k1_ecdsa_recoverable_signature *sig) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4)</div><div class="ttdef"><b>Definition:</b> <a href="recovery_2main__impl_8h_source.html#l00060">main_impl.h:60</a></div></div>
<div class="ttc" id="secp256k1_2src_2util_8h_html_aba1590ff86288c886c47dc8a27b30467"><div class="ttname"><a href="secp256k1_2src_2util_8h.html#aba1590ff86288c886c47dc8a27b30467">CHECK</a></div><div class="ttdeci">#define CHECK(cond)</div><div class="ttdef"><b>Definition:</b> <a href="secp256k1_2src_2util_8h_source.html#l00052">util.h:52</a></div></div>
<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>
<div class="ttc" id="secp256k1_8h_html_a57d390dd5baa54855b0cb20628034b90"><div class="ttname"><a href="secp256k1_8h.html#a57d390dd5baa54855b0cb20628034b90">secp256k1_ecdsa_signature_parse_der</a></div><div class="ttdeci">SECP256K1_API int secp256k1_ecdsa_signature_parse_der(const secp256k1_context *ctx, secp256k1_ecdsa_signature *sig, const unsigned char *input, size_t inputlen) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3)</div><div class="ttdef"><b>Definition:</b> <a href="secp256k1_8c_source.html#l00216">secp256k1.c:216</a></div></div>
<div class="ttc" id="namespacezmq__sub_html_ab82b53c595929ff5ab2d30ec91fd539a"><div class="ttname"><a href="namespacezmq__sub.html#ab82b53c595929ff5ab2d30ec91fd539a">zmq_sub.msg</a></div><div class="ttdeci">msg</div><div class="ttdef"><b>Definition:</b> <a href="zmq__sub_8py_source.html#l00022">zmq_sub.py:22</a></div></div>
<div class="ttc" id="scalar_8h_html_a4fa08f8af5a23f505b44c9ef1bec1831"><div class="ttname"><a href="scalar_8h.html#a4fa08f8af5a23f505b44c9ef1bec1831">secp256k1_scalar_get_b32</a></div><div class="ttdeci">static void secp256k1_scalar_get_b32(unsigned char *bin, const secp256k1_scalar *a)</div></div>
<div class="ttc" id="secp256k1__recovery_8h_html_a7e156c6f4be24b07f4a563210dcb1a2e"><div class="ttname"><a href="secp256k1__recovery_8h.html#a7e156c6f4be24b07f4a563210dcb1a2e">secp256k1_ecdsa_recover</a></div><div class="ttdeci">SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ecdsa_recover(const secp256k1_context *ctx, secp256k1_pubkey *pubkey, const secp256k1_ecdsa_recoverable_signature *sig, const unsigned char *msg32) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4)</div><div class="ttdef"><b>Definition:</b> <a href="recovery_2main__impl_8h_source.html#l00170">main_impl.h:170</a></div></div>
<div class="ttc" id="tests_8c_html_a51e09e6745e0afdb0d596ee0f4b3c3f7"><div class="ttname"><a href="tests_8c.html#a51e09e6745e0afdb0d596ee0f4b3c3f7">random_scalar_order_test</a></div><div class="ttdeci">void random_scalar_order_test(secp256k1_scalar *num)</div><div class="ttdef"><b>Definition:</b> <a href="tests_8c_source.html#l00110">tests.c:110</a></div></div>
<div class="ttc" id="testrand_8h_html_a70a3e97a30b94a77f4a59807ba01e6ba"><div class="ttname"><a href="testrand_8h.html#a70a3e97a30b94a77f4a59807ba01e6ba">secp256k1_rand_bits</a></div><div class="ttdeci">static uint32_t secp256k1_rand_bits(int bits)</div></div>
<div class="ttc" id="tests_8c_html_ad43c3812e6d13e0518d9f8b8f463ffcf"><div class="ttname"><a href="tests_8c.html#ad43c3812e6d13e0518d9f8b8f463ffcf">count</a></div><div class="ttdeci">static int count</div><div class="ttdef"><b>Definition:</b> <a href="tests_8c_source.html#l00041">tests.c:41</a></div></div>
<div class="ttc" id="recovery_2tests__impl_8h_html_a3a06f71955483e9502f3c408857407f2"><div class="ttname"><a href="recovery_2tests__impl_8h.html#a3a06f71955483e9502f3c408857407f2">run_recovery_tests</a></div><div class="ttdeci">void run_recovery_tests(void)</div><div class="ttdef"><b>Definition:</b> <a href="recovery_2tests__impl_8h_source.html#l00242">tests_impl.h:242</a></div></div>
<div class="ttc" id="namespaceextract__strings__qt_html_a1b7a78cde0039f63310f11692b713dca"><div class="ttname"><a href="namespaceextract__strings__qt.html#a1b7a78cde0039f63310f11692b713dca">extract_strings_qt.key</a></div><div class="ttdeci">key</div><div class="ttdef"><b>Definition:</b> <a href="extract__strings__qt_8py_source.html#l00073">extract_strings_qt.py:73</a></div></div>
<div class="ttc" id="structsecp256k1__pubkey_html"><div class="ttname"><a href="structsecp256k1__pubkey.html">secp256k1_pubkey</a></div><div class="ttdef"><b>Definition:</b> <a href="secp256k1_8h_source.html#l00056">secp256k1.h:56</a></div></div>
<div class="ttc" id="secp256k1_8h_html_a41065390f9039c4140ec04999724987d"><div class="ttname"><a href="secp256k1_8h.html#a41065390f9039c4140ec04999724987d">secp256k1_ecdsa_verify</a></div><div class="ttdeci">SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ecdsa_verify(const secp256k1_context *ctx, const secp256k1_ecdsa_signature *sig, const unsigned char *msg32, const secp256k1_pubkey *pubkey) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4)</div><div class="ttdef"><b>Definition:</b> <a href="secp256k1_8c_source.html#l00297">secp256k1.c:297</a></div></div>
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