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<li class="navelem"><a class="el" href="dir_14bc92f4b96c8519b376567118ac28b3.html">drivers</a></li><li class="navelem"><a class="el" href="dir_ee023d43c33bfccc31aa50a48a76892b.html">include</a></li><li class="navelem"><a class="el" href="dir_e08589e132e001d864753e5516cdc279.html">crypto</a></li><li class="navelem"><a class="el" href="dir_610f8d7993e1efb130988b94d1ce0406.html">cacc</a></li><li class="navelem"><a class="el" href="dir_5d0a9f542d396d1efa3a380bc8406556.html">pke</a></li> </ul>
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<a href="ecdh_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/*****************************************************************************</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> *</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> *</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> *Copyright (c) 2021-2029 Semidrive Incorporated. All rights reserved.</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> *Software License Agreement</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> *</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> ******************************************************************************</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> */</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#ifndef ECDH_H</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="preprocessor">#define ECDH_H</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span> </div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="keyword">extern</span> <span class="stringliteral">&quot;C&quot;</span> {</div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include &lt;<a class="code" href="eccp__curve_8h.html">eccp_curve.h</a>&gt;</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include &lt;<a class="code" href="pke_8h.html">pke.h</a>&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="comment">/*ECDH return code*/</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"><a class="line" href="ecdh_8h.html#a4982b1b1eeefe0ed210bd5d0491207c6"> 20</a></span><span class="keyword">enum</span> <a class="code hl_enumeration" href="ecdh_8h.html#a4982b1b1eeefe0ed210bd5d0491207c6">ECDH_RET_CODE</a> {</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"><a class="line" href="ecdh_8h.html#a4982b1b1eeefe0ed210bd5d0491207c6aa3ba83c84bd7c611cae2df03991539af"> 21</a></span> <a class="code hl_enumvalue" href="ecdh_8h.html#a4982b1b1eeefe0ed210bd5d0491207c6aa3ba83c84bd7c611cae2df03991539af">ECDH_SUCCESS</a> = <a class="code hl_enumvalue" href="pke_8h.html#a5200cbc0ef73fc8f9d0fd0628efccfffa842fd1b426331e8f7f80bcfc07e4de5c">PKE_SUCCESS</a>,</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"><a class="line" href="ecdh_8h.html#a4982b1b1eeefe0ed210bd5d0491207c6a3a50626f230a15205981cae44bc8ee12"> 22</a></span> <a class="code hl_enumvalue" href="ecdh_8h.html#a4982b1b1eeefe0ed210bd5d0491207c6a3a50626f230a15205981cae44bc8ee12">ECDH_POINTOR_NULL</a> = <a class="code hl_enumvalue" href="pke_8h.html#a5200cbc0ef73fc8f9d0fd0628efccfffa842fd1b426331e8f7f80bcfc07e4de5c">PKE_SUCCESS</a> + 0x60,</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"><a class="line" href="ecdh_8h.html#a4982b1b1eeefe0ed210bd5d0491207c6abfead764a33180aed5bf5cf703535388"> 23</a></span> <a class="code hl_enumvalue" href="ecdh_8h.html#a4982b1b1eeefe0ed210bd5d0491207c6abfead764a33180aed5bf5cf703535388">ECDH_INVALID_INPUT</a>,</div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span>};</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> </div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"><a class="line" href="ecdh_8h.html#a6bc5884a4468f45e2778b75f942e30f0"> 26</a></span>uint32_t <a class="code hl_function" href="ecdh_8h.html#a6bc5884a4468f45e2778b75f942e30f0">ecdh_compute_key</a>(<a class="code hl_struct" href="structeccp__curve__t.html">eccp_curve_t</a> *curve, uint8_t *local_prikey,</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> uint8_t *peer_pubkey, uint8_t *key,</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> uint32_t keyByteLen, <a class="code hl_typedef" href="pke_8h.html#aa8cd2ede32f5ffca6c7f4d449facb24f">KDF_FUNC</a> kdf);</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="preprocessor">#ifdef PKE_SEC</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> </div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="preprocessor">#define ECDH_SEC</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="preprocessor">#ifdef ECDH_SEC</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> </div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="keyword">enum</span> ECDH_RET_CODE_S { ECDH_SUCCESS_S = 0x8B9BC1E1, ECDH_ERROR_S = 0xCBC192A3 };</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span>uint32_t ecdh_compute_key_s(<a class="code hl_struct" href="structeccp__curve__t.html">eccp_curve_t</a> *curve, uint8_t *local_prikey,</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> uint8_t *peer_pubkey, uint8_t *key,</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> uint32_t keyByteLen, <a class="code hl_typedef" href="pke_8h.html#aa8cd2ede32f5ffca6c7f4d449facb24f">KDF_FUNC</a> kdf);</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> </div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span><span class="preprocessor">#endif</span></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="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span>}</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> </div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span><span class="preprocessor">#endif</span></div>
<div class="ttc" id="aeccp__curve_8h_html"><div class="ttname"><a href="eccp__curve_8h.html">eccp_curve.h</a></div><div class="ttdoc">Semidrive CRYPTO eccp_curve header file.</div></div>
<div class="ttc" id="aecdh_8h_html_a4982b1b1eeefe0ed210bd5d0491207c6"><div class="ttname"><a href="ecdh_8h.html#a4982b1b1eeefe0ed210bd5d0491207c6">ECDH_RET_CODE</a></div><div class="ttdeci">ECDH_RET_CODE</div><div class="ttdef"><b>Definition:</b> ecdh.h:20</div></div>
<div class="ttc" id="aecdh_8h_html_a4982b1b1eeefe0ed210bd5d0491207c6a3a50626f230a15205981cae44bc8ee12"><div class="ttname"><a href="ecdh_8h.html#a4982b1b1eeefe0ed210bd5d0491207c6a3a50626f230a15205981cae44bc8ee12">ECDH_POINTOR_NULL</a></div><div class="ttdeci">@ ECDH_POINTOR_NULL</div><div class="ttdef"><b>Definition:</b> ecdh.h:22</div></div>
<div class="ttc" id="aecdh_8h_html_a4982b1b1eeefe0ed210bd5d0491207c6aa3ba83c84bd7c611cae2df03991539af"><div class="ttname"><a href="ecdh_8h.html#a4982b1b1eeefe0ed210bd5d0491207c6aa3ba83c84bd7c611cae2df03991539af">ECDH_SUCCESS</a></div><div class="ttdeci">@ ECDH_SUCCESS</div><div class="ttdef"><b>Definition:</b> ecdh.h:21</div></div>
<div class="ttc" id="aecdh_8h_html_a4982b1b1eeefe0ed210bd5d0491207c6abfead764a33180aed5bf5cf703535388"><div class="ttname"><a href="ecdh_8h.html#a4982b1b1eeefe0ed210bd5d0491207c6abfead764a33180aed5bf5cf703535388">ECDH_INVALID_INPUT</a></div><div class="ttdeci">@ ECDH_INVALID_INPUT</div><div class="ttdef"><b>Definition:</b> ecdh.h:23</div></div>
<div class="ttc" id="aecdh_8h_html_a6bc5884a4468f45e2778b75f942e30f0"><div class="ttname"><a href="ecdh_8h.html#a6bc5884a4468f45e2778b75f942e30f0">ecdh_compute_key</a></div><div class="ttdeci">uint32_t ecdh_compute_key(eccp_curve_t *curve, uint8_t *local_prikey, uint8_t *peer_pubkey, uint8_t *key, uint32_t keyByteLen, KDF_FUNC kdf)</div></div>
<div class="ttc" id="apke_8h_html"><div class="ttname"><a href="pke_8h.html">pke.h</a></div><div class="ttdoc">Semidrive CRYPTO pke header file.</div></div>
<div class="ttc" id="apke_8h_html_a5200cbc0ef73fc8f9d0fd0628efccfffa842fd1b426331e8f7f80bcfc07e4de5c"><div class="ttname"><a href="pke_8h.html#a5200cbc0ef73fc8f9d0fd0628efccfffa842fd1b426331e8f7f80bcfc07e4de5c">PKE_SUCCESS</a></div><div class="ttdeci">@ PKE_SUCCESS</div><div class="ttdef"><b>Definition:</b> pke.h:101</div></div>
<div class="ttc" id="apke_8h_html_aa8cd2ede32f5ffca6c7f4d449facb24f"><div class="ttname"><a href="pke_8h.html#aa8cd2ede32f5ffca6c7f4d449facb24f">KDF_FUNC</a></div><div class="ttdeci">void *(* KDF_FUNC)(const void *input, uint32_t bytelen, uint8_t *key, uint32_t keybytelen)</div><div class="ttdef"><b>Definition:</b> pke.h:112</div></div>
<div class="ttc" id="astructeccp__curve__t_html"><div class="ttname"><a href="structeccp__curve__t.html">eccp_curve_t</a></div><div class="ttdef"><b>Definition:</b> eccp_curve.h:32</div></div>
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