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<div id="projectname">SemiDrive SSDK Appication Program Interface<span id="projectnumber"> PTG3.0</span>
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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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<div class="headertitle"><div class="title">x25519.h</div></div>
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<a href="x25519_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>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> *</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> *</span></div>
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<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>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> *Software License Agreement</span></div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> *</span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> ******************************************************************************</span></div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> */</span></div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#ifndef X25519_H</span></div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="preprocessor">#define X25519_H</span></div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span> </div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#ifdef __cplusplus</span></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#endif</span></div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include <<a class="code" href="pke_8h.html">pke.h</a>></span></div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span> </div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="keyword">extern</span> <span class="keyword">const</span> <a class="code hl_struct" href="structmont__curve__t.html">mont_curve_t</a> <a class="code hl_variable" href="x25519_8h.html#aa4b134ec03708d9d69b75b8e95ea46f9">c25519</a>[1];</div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> </div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="comment">/*X25519 return code*/</span></div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="keyword">enum</span> {</div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"><a class="line" href="x25519_8h.html#a385c44f6fb256e5716a2302a5b940388a54be2bf3b68de3138f34ac885591a493"> 22</a></span> <a class="code hl_enumvalue" href="x25519_8h.html#a385c44f6fb256e5716a2302a5b940388a54be2bf3b68de3138f34ac885591a493">X25519_SUCCESS</a> = <a class="code hl_enumvalue" href="pke_8h.html#a5200cbc0ef73fc8f9d0fd0628efccfffa842fd1b426331e8f7f80bcfc07e4de5c">PKE_SUCCESS</a>,</div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"><a class="line" href="x25519_8h.html#a385c44f6fb256e5716a2302a5b940388af80c8101f233c22b49bd41b94ba6d947"> 23</a></span> <a class="code hl_enumvalue" href="x25519_8h.html#a385c44f6fb256e5716a2302a5b940388af80c8101f233c22b49bd41b94ba6d947">X25519_POINTER_NULL</a> = <a class="code hl_enumvalue" href="pke_8h.html#a5200cbc0ef73fc8f9d0fd0628efccfffa842fd1b426331e8f7f80bcfc07e4de5c">PKE_SUCCESS</a> + 0x70,</div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"><a class="line" href="x25519_8h.html#a385c44f6fb256e5716a2302a5b940388a8adeec3b36952f0b1f36c6326d8d7875"> 24</a></span> <a class="code hl_enumvalue" href="x25519_8h.html#a385c44f6fb256e5716a2302a5b940388a8adeec3b36952f0b1f36c6326d8d7875">X25519_ZERO_ALL</a>,</div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"><a class="line" href="x25519_8h.html#a385c44f6fb256e5716a2302a5b940388ae49590a4e1971b6fc93e76589e425a1b"> 25</a></span> <a class="code hl_enumvalue" href="x25519_8h.html#a385c44f6fb256e5716a2302a5b940388ae49590a4e1971b6fc93e76589e425a1b">X25519_INVALID_INPUT</a>,</div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"><a class="line" href="x25519_8h.html#a385c44f6fb256e5716a2302a5b940388ac4f9060ee8e12bf28f707c61372b9573"> 26</a></span> <a class="code hl_enumvalue" href="x25519_8h.html#a385c44f6fb256e5716a2302a5b940388ac4f9060ee8e12bf28f707c61372b9573">X25519_INVALID_OUTPUT</a>,</div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span>};</div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> </div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"><a class="line" href="x25519_8h.html#ab8851266a3b95ab0c6c7c0d9b5d231dd"> 29</a></span>uint32_t <a class="code hl_function" href="x25519_8h.html#ab8851266a3b95ab0c6c7c0d9b5d231dd">x25519_get_pubkey_from_prikey</a>(uint8_t prikey[32], uint8_t pubkey[32]);</div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> </div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"><a class="line" href="x25519_8h.html#a78429dd0b8502349ca36cf7e163e7f2b"> 31</a></span>uint32_t <a class="code hl_function" href="x25519_8h.html#a78429dd0b8502349ca36cf7e163e7f2b">x25519_getkey</a>(uint8_t prikey[32], uint8_t pubkey[32]);</div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> </div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"><a class="line" href="x25519_8h.html#a4107e03abaa7fb1ec767ea0a7561b4cb"> 33</a></span>uint32_t <a class="code hl_function" href="x25519_8h.html#a4107e03abaa7fb1ec767ea0a7561b4cb">x25519_compute_key</a>(uint8_t local_prikey[32], uint8_t peer_pubkey[32],</div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> uint8_t *key, uint32_t keyByteLen, <a class="code hl_typedef" href="pke_8h.html#aa8cd2ede32f5ffca6c7f4d449facb24f">KDF_FUNC</a> kdf);</div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> </div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"><a class="line" href="x25519_8h.html#a4c28e5e77b625135f0d4b2c333466303"> 36</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="x25519_8h.html#a4c28e5e77b625135f0d4b2c333466303">x25519_decode_scalar</a>(uint8_t *k, uint8_t *out, uint32_t bytes);</div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="preprocessor">#ifdef __cplusplus</span></div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span>}</div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="preprocessor">#endif</span></div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> </div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span><span class="preprocessor">#endif</span></div>
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<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>
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<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>
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<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>
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<div class="ttc" id="astructmont__curve__t_html"><div class="ttname"><a href="structmont__curve__t.html">mont_curve_t</a></div><div class="ttdef"><b>Definition:</b> eccp_curve.h:76</div></div>
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<div class="ttc" id="ax25519_8h_html_a385c44f6fb256e5716a2302a5b940388a54be2bf3b68de3138f34ac885591a493"><div class="ttname"><a href="x25519_8h.html#a385c44f6fb256e5716a2302a5b940388a54be2bf3b68de3138f34ac885591a493">X25519_SUCCESS</a></div><div class="ttdeci">@ X25519_SUCCESS</div><div class="ttdef"><b>Definition:</b> x25519.h:22</div></div>
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<div class="ttc" id="ax25519_8h_html_a385c44f6fb256e5716a2302a5b940388a8adeec3b36952f0b1f36c6326d8d7875"><div class="ttname"><a href="x25519_8h.html#a385c44f6fb256e5716a2302a5b940388a8adeec3b36952f0b1f36c6326d8d7875">X25519_ZERO_ALL</a></div><div class="ttdeci">@ X25519_ZERO_ALL</div><div class="ttdef"><b>Definition:</b> x25519.h:24</div></div>
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<div class="ttc" id="ax25519_8h_html_a385c44f6fb256e5716a2302a5b940388ac4f9060ee8e12bf28f707c61372b9573"><div class="ttname"><a href="x25519_8h.html#a385c44f6fb256e5716a2302a5b940388ac4f9060ee8e12bf28f707c61372b9573">X25519_INVALID_OUTPUT</a></div><div class="ttdeci">@ X25519_INVALID_OUTPUT</div><div class="ttdef"><b>Definition:</b> x25519.h:26</div></div>
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<div class="ttc" id="ax25519_8h_html_a385c44f6fb256e5716a2302a5b940388ae49590a4e1971b6fc93e76589e425a1b"><div class="ttname"><a href="x25519_8h.html#a385c44f6fb256e5716a2302a5b940388ae49590a4e1971b6fc93e76589e425a1b">X25519_INVALID_INPUT</a></div><div class="ttdeci">@ X25519_INVALID_INPUT</div><div class="ttdef"><b>Definition:</b> x25519.h:25</div></div>
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<div class="ttc" id="ax25519_8h_html_a385c44f6fb256e5716a2302a5b940388af80c8101f233c22b49bd41b94ba6d947"><div class="ttname"><a href="x25519_8h.html#a385c44f6fb256e5716a2302a5b940388af80c8101f233c22b49bd41b94ba6d947">X25519_POINTER_NULL</a></div><div class="ttdeci">@ X25519_POINTER_NULL</div><div class="ttdef"><b>Definition:</b> x25519.h:23</div></div>
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<div class="ttc" id="ax25519_8h_html_a4107e03abaa7fb1ec767ea0a7561b4cb"><div class="ttname"><a href="x25519_8h.html#a4107e03abaa7fb1ec767ea0a7561b4cb">x25519_compute_key</a></div><div class="ttdeci">uint32_t x25519_compute_key(uint8_t local_prikey[32], uint8_t peer_pubkey[32], uint8_t *key, uint32_t keyByteLen, KDF_FUNC kdf)</div></div>
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<div class="ttc" id="ax25519_8h_html_a4c28e5e77b625135f0d4b2c333466303"><div class="ttname"><a href="x25519_8h.html#a4c28e5e77b625135f0d4b2c333466303">x25519_decode_scalar</a></div><div class="ttdeci">void x25519_decode_scalar(uint8_t *k, uint8_t *out, uint32_t bytes)</div></div>
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<div class="ttc" id="ax25519_8h_html_a78429dd0b8502349ca36cf7e163e7f2b"><div class="ttname"><a href="x25519_8h.html#a78429dd0b8502349ca36cf7e163e7f2b">x25519_getkey</a></div><div class="ttdeci">uint32_t x25519_getkey(uint8_t prikey[32], uint8_t pubkey[32])</div></div>
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<div class="ttc" id="ax25519_8h_html_aa4b134ec03708d9d69b75b8e95ea46f9"><div class="ttname"><a href="x25519_8h.html#aa4b134ec03708d9d69b75b8e95ea46f9">c25519</a></div><div class="ttdeci">const mont_curve_t c25519[1]</div></div>
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<div class="ttc" id="ax25519_8h_html_ab8851266a3b95ab0c6c7c0d9b5d231dd"><div class="ttname"><a href="x25519_8h.html#ab8851266a3b95ab0c6c7c0d9b5d231dd">x25519_get_pubkey_from_prikey</a></div><div class="ttdeci">uint32_t x25519_get_pubkey_from_prikey(uint8_t prikey[32], uint8_t pubkey[32])</div></div>
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