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<a href="lax__der__privatekey__parsing_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) 2014, 2015 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="comment">/****</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * Please do not link this file directly. It is not part of the libsecp256k1</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * project and does not promise any stability in its API, functionality or</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * presence. Projects which use this code should instead copy this header</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * and its accompanying .c file directly into their codebase.</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> ****/</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">/* This file contains code snippets that parse DER private keys with</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * various errors and violations. This is not a part of the library</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * itself, because the allowed violations are chosen arbitrarily and</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * do not follow or establish any standard.</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> *</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * It also contains code to serialize private keys in a compatible</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * manner.</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> *</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * These functions are meant for compatibility with applications</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * that require BER encoded keys. When working with secp256k1-specific</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> * code, the simple 32-byte private keys normally used by the</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * library are sufficient.</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> */</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#ifndef _SECP256K1_CONTRIB_BER_PRIVATEKEY_H_</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#define _SECP256K1_CONTRIB_BER_PRIVATEKEY_H_</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <<a class="code" href="secp256k1_8h.html">secp256k1.h</a>></span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor"># ifdef __cplusplus</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor"># endif</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <a class="code" href="secp256k1_8h.html#aebd5ca8fbfcbb0ba0754a46115143c2c">SECP256K1_WARN_UNUSED_RESULT</a> <span class="keywordtype">int</span> <a class="code" href="lax__der__privatekey__parsing_8h.html#ab0172ae6ae0adcf65b3d94960ece8e31">ec_privkey_export_der</a>(</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keyword">const</span> <a class="code" href="structsecp256k1__context__struct.html">secp256k1_context</a>* <a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>,</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *privkey,</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordtype">size_t</span> *privkeylen,</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *seckey,</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordtype">int</span> compressed</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> ) <a class="code" href="secp256k1_8h.html#a03c194d8fa91b9b66758b36c91e0b5cb">SECP256K1_ARG_NONNULL</a>(1) <a class="code" href="secp256k1_8h.html#a03c194d8fa91b9b66758b36c91e0b5cb">SECP256K1_ARG_NONNULL</a>(2) <a class="code" href="secp256k1_8h.html#a03c194d8fa91b9b66758b36c91e0b5cb">SECP256K1_ARG_NONNULL</a>(3) <a class="code" href="secp256k1_8h.html#a03c194d8fa91b9b66758b36c91e0b5cb">SECP256K1_ARG_NONNULL</a>(4);</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <a class="code" href="secp256k1_8h.html#aebd5ca8fbfcbb0ba0754a46115143c2c">SECP256K1_WARN_UNUSED_RESULT</a> <span class="keywordtype">int</span> <a class="code" href="lax__der__privatekey__parsing_8h.html#a73106d5c4a234faa276659a29efe11d3">ec_privkey_import_der</a>(</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  const <a class="code" href="structsecp256k1__context__struct.html">secp256k1_context</a>* <a class="code" href="tests_8c.html#a06a3e29ada83211a695a49e8f7405842">ctx</a>,</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *seckey,</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  const <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *privkey,</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordtype">size_t</span> privkeylen</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> ) <a class="code" href="secp256k1_8h.html#a03c194d8fa91b9b66758b36c91e0b5cb">SECP256K1_ARG_NONNULL</a>(1) <a class="code" href="secp256k1_8h.html#a03c194d8fa91b9b66758b36c91e0b5cb">SECP256K1_ARG_NONNULL</a>(2) <a class="code" href="secp256k1_8h.html#a03c194d8fa91b9b66758b36c91e0b5cb">SECP256K1_ARG_NONNULL</a>(3);</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> }</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="secp256k1_8h_html_aebd5ca8fbfcbb0ba0754a46115143c2c"><div class="ttname"><a href="secp256k1_8h.html#aebd5ca8fbfcbb0ba0754a46115143c2c">SECP256K1_WARN_UNUSED_RESULT</a></div><div class="ttdeci">#define SECP256K1_WARN_UNUSED_RESULT</div><div class="ttdef"><b>Definition:</b> <a href="secp256k1_8h_source.html#l00142">secp256k1.h:142</a></div></div>
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<div class="ttc" id="lax__der__privatekey__parsing_8h_html_a73106d5c4a234faa276659a29efe11d3"><div class="ttname"><a href="lax__der__privatekey__parsing_8h.html#a73106d5c4a234faa276659a29efe11d3">ec_privkey_import_der</a></div><div class="ttdeci">SECP256K1_WARN_UNUSED_RESULT int ec_privkey_import_der(const secp256k1_context *ctx, unsigned char *seckey, const unsigned char *privkey, size_t privkeylen) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3)</div><div class="ttdef"><b>Definition:</b> <a href="lax__der__privatekey__parsing_8c_source.html#l00012">lax_der_privatekey_parsing.c:12</a></div></div>
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<div class="ttc" id="structsecp256k1__context__struct_html"><div class="ttname"><a href="structsecp256k1__context__struct.html">secp256k1_context_struct</a></div><div class="ttdef"><b>Definition:</b> <a href="secp256k1_8c_source.html#l00053">secp256k1.c:53</a></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="secp256k1_8h_html_a03c194d8fa91b9b66758b36c91e0b5cb"><div class="ttname"><a href="secp256k1_8h.html#a03c194d8fa91b9b66758b36c91e0b5cb">SECP256K1_ARG_NONNULL</a></div><div class="ttdeci">#define SECP256K1_ARG_NONNULL(_x)</div><div class="ttdef"><b>Definition:</b> <a href="secp256k1_8h_source.html#l00147">secp256k1.h:147</a></div></div>
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<div class="ttc" id="secp256k1_8h_html"><div class="ttname"><a href="secp256k1_8h.html">secp256k1.h</a></div></div>
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<div class="ttc" id="lax__der__privatekey__parsing_8h_html_ab0172ae6ae0adcf65b3d94960ece8e31"><div class="ttname"><a href="lax__der__privatekey__parsing_8h.html#ab0172ae6ae0adcf65b3d94960ece8e31">ec_privkey_export_der</a></div><div class="ttdeci">SECP256K1_WARN_UNUSED_RESULT int ec_privkey_export_der(const secp256k1_context *ctx, unsigned char *privkey, size_t *privkeylen, const unsigned char *seckey, int compressed) 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="lax__der__privatekey__parsing_8c_source.html#l00056">lax_der_privatekey_parsing.c:56</a></div></div>
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