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<a href="#define-members">Macros</a> &#124;
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<div class="title">ecdh_BLS381.h File Reference</div> </div>
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<p>ECDH Header file for implementation of standard EC protocols.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include &quot;<a class="el" href="ecp__BLS381_8h_source.html">ecp_BLS381.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="ecdh__support_8h_source.html">ecdh_support.h</a>&quot;</code><br />
</div>
<p><a href="ecdh__BLS381_8h_source.html">Go to the source code of this file.</a></p>
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Macros</h2></td></tr>
<tr class="memitem:a1c15c18e7db69cff6e8b6c75c0fa6acf"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ecdh__BLS381_8h.html#a1c15c18e7db69cff6e8b6c75c0fa6acf">EGS_BLS381</a>&#160;&#160;&#160;<a class="el" href="config__big__384__58_8h.html#a231158cd33825cff286c2406336e0224">MODBYTES_384_58</a></td></tr>
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<tr class="memitem:a4b4df9df98e090f5b1d19cc935b020d5"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ecdh__BLS381_8h.html#a4b4df9df98e090f5b1d19cc935b020d5">EFS_BLS381</a>&#160;&#160;&#160;<a class="el" href="config__big__384__58_8h.html#a231158cd33825cff286c2406336e0224">MODBYTES_384_58</a></td></tr>
<tr class="separator:a4b4df9df98e090f5b1d19cc935b020d5"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a5e4fc0adee12585028a804f1aac76ab7"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ecdh__BLS381_8h.html#a5e4fc0adee12585028a804f1aac76ab7">ECDH_OK</a>&#160;&#160;&#160;0</td></tr>
<tr class="separator:a5e4fc0adee12585028a804f1aac76ab7"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a502f0271978e099226b78f6a46ca0c2a"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ecdh__BLS381_8h.html#a502f0271978e099226b78f6a46ca0c2a">ECDH_INVALID_PUBLIC_KEY</a>&#160;&#160;&#160;-2</td></tr>
<tr class="separator:a502f0271978e099226b78f6a46ca0c2a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a03b1165b7bda022b0da1cb6ec950d0b1"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ecdh__BLS381_8h.html#a03b1165b7bda022b0da1cb6ec950d0b1">ECDH_ERROR</a>&#160;&#160;&#160;-3</td></tr>
<tr class="separator:a03b1165b7bda022b0da1cb6ec950d0b1"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa0f4488c6e3ace660471b4d2c8c8da9a"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ecdh__BLS381_8h.html#aa0f4488c6e3ace660471b4d2c8c8da9a">ECDH_INVALID</a>&#160;&#160;&#160;-4</td></tr>
<tr class="separator:aa0f4488c6e3ace660471b4d2c8c8da9a"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a8e4fded6efde3462418822e551504733"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ecdh__BLS381_8h.html#a8e4fded6efde3462418822e551504733">ECP_BLS381_KEY_PAIR_GENERATE</a> (<a class="el" href="structcsprng.html">csprng</a> *R, <a class="el" href="structoctet.html">octet</a> *s, <a class="el" href="structoctet.html">octet</a> *W)</td></tr>
<tr class="memdesc:a8e4fded6efde3462418822e551504733"><td class="mdescLeft">&#160;</td><td class="mdescRight">Generate an ECC public/private key pair. <a href="#a8e4fded6efde3462418822e551504733">More...</a><br /></td></tr>
<tr class="separator:a8e4fded6efde3462418822e551504733"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aab29c5a110e32e019fabac150fb1386a"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ecdh__BLS381_8h.html#aab29c5a110e32e019fabac150fb1386a">ECP_BLS381_PUBLIC_KEY_VALIDATE</a> (<a class="el" href="structoctet.html">octet</a> *W)</td></tr>
<tr class="memdesc:aab29c5a110e32e019fabac150fb1386a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Validate an ECC public key. <a href="#aab29c5a110e32e019fabac150fb1386a">More...</a><br /></td></tr>
<tr class="separator:aab29c5a110e32e019fabac150fb1386a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a68024405d3df84389f8850cf9079c272"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ecdh__BLS381_8h.html#a68024405d3df84389f8850cf9079c272">ECP_BLS381_SVDP_DH</a> (<a class="el" href="structoctet.html">octet</a> *s, <a class="el" href="structoctet.html">octet</a> *W, <a class="el" href="structoctet.html">octet</a> *K)</td></tr>
<tr class="memdesc:a68024405d3df84389f8850cf9079c272"><td class="mdescLeft">&#160;</td><td class="mdescRight">Generate Diffie-Hellman shared key. <a href="#a68024405d3df84389f8850cf9079c272">More...</a><br /></td></tr>
<tr class="separator:a68024405d3df84389f8850cf9079c272"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a620b48f1e68f716c937de02431288b90"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ecdh__BLS381_8h.html#a620b48f1e68f716c937de02431288b90">ECP_BLS381_ECIES_ENCRYPT</a> (int h, <a class="el" href="structoctet.html">octet</a> *P1, <a class="el" href="structoctet.html">octet</a> *P2, <a class="el" href="structcsprng.html">csprng</a> *R, <a class="el" href="structoctet.html">octet</a> *W, <a class="el" href="structoctet.html">octet</a> *M, int len, <a class="el" href="structoctet.html">octet</a> *V, <a class="el" href="structoctet.html">octet</a> *C, <a class="el" href="structoctet.html">octet</a> *T)</td></tr>
<tr class="memdesc:a620b48f1e68f716c937de02431288b90"><td class="mdescLeft">&#160;</td><td class="mdescRight">ECIES Encryption. <a href="#a620b48f1e68f716c937de02431288b90">More...</a><br /></td></tr>
<tr class="separator:a620b48f1e68f716c937de02431288b90"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa9deff93c6a21354958278c58e8b15d8"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ecdh__BLS381_8h.html#aa9deff93c6a21354958278c58e8b15d8">ECP_BLS381_ECIES_DECRYPT</a> (int h, <a class="el" href="structoctet.html">octet</a> *P1, <a class="el" href="structoctet.html">octet</a> *P2, <a class="el" href="structoctet.html">octet</a> *V, <a class="el" href="structoctet.html">octet</a> *C, <a class="el" href="structoctet.html">octet</a> *T, <a class="el" href="structoctet.html">octet</a> *U, <a class="el" href="structoctet.html">octet</a> *M)</td></tr>
<tr class="memdesc:aa9deff93c6a21354958278c58e8b15d8"><td class="mdescLeft">&#160;</td><td class="mdescRight">ECIES Decryption. <a href="#aa9deff93c6a21354958278c58e8b15d8">More...</a><br /></td></tr>
<tr class="separator:aa9deff93c6a21354958278c58e8b15d8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6295d26e0b8bcdbaf4cdbad9f68f399f"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ecdh__BLS381_8h.html#a6295d26e0b8bcdbaf4cdbad9f68f399f">ECP_BLS381_SP_DSA</a> (int h, <a class="el" href="structcsprng.html">csprng</a> *R, <a class="el" href="structoctet.html">octet</a> *k, <a class="el" href="structoctet.html">octet</a> *s, <a class="el" href="structoctet.html">octet</a> *M, <a class="el" href="structoctet.html">octet</a> *c, <a class="el" href="structoctet.html">octet</a> *d)</td></tr>
<tr class="memdesc:a6295d26e0b8bcdbaf4cdbad9f68f399f"><td class="mdescLeft">&#160;</td><td class="mdescRight">ECDSA Signature. <a href="#a6295d26e0b8bcdbaf4cdbad9f68f399f">More...</a><br /></td></tr>
<tr class="separator:a6295d26e0b8bcdbaf4cdbad9f68f399f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:af328885e1d0ef09895523c422e1729bb"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ecdh__BLS381_8h.html#af328885e1d0ef09895523c422e1729bb">ECP_BLS381_VP_DSA</a> (int h, <a class="el" href="structoctet.html">octet</a> *W, <a class="el" href="structoctet.html">octet</a> *M, <a class="el" href="structoctet.html">octet</a> *c, <a class="el" href="structoctet.html">octet</a> *d)</td></tr>
<tr class="memdesc:af328885e1d0ef09895523c422e1729bb"><td class="mdescLeft">&#160;</td><td class="mdescRight">ECDSA Signature Verification. <a href="#af328885e1d0ef09895523c422e1729bb">More...</a><br /></td></tr>
<tr class="separator:af328885e1d0ef09895523c422e1729bb"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><dl class="section author"><dt>Author</dt><dd>Mike Scott </dd></dl>
</div><h2 class="groupheader">Macro Definition Documentation</h2>
<a id="a03b1165b7bda022b0da1cb6ec950d0b1"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a03b1165b7bda022b0da1cb6ec950d0b1">&#9670;&nbsp;</a></span>ECDH_ERROR</h2>
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<tr>
<td class="memname">#define ECDH_ERROR&#160;&#160;&#160;-3</td>
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</div><div class="memdoc">
<p>ECDH Internal Error </p>
</div>
</div>
<a id="aa0f4488c6e3ace660471b4d2c8c8da9a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aa0f4488c6e3ace660471b4d2c8c8da9a">&#9670;&nbsp;</a></span>ECDH_INVALID</h2>
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<div class="memproto">
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<tr>
<td class="memname">#define ECDH_INVALID&#160;&#160;&#160;-4</td>
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</div><div class="memdoc">
<p>ECDH Internal Error </p>
</div>
</div>
<a id="a502f0271978e099226b78f6a46ca0c2a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a502f0271978e099226b78f6a46ca0c2a">&#9670;&nbsp;</a></span>ECDH_INVALID_PUBLIC_KEY</h2>
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<td class="memname">#define ECDH_INVALID_PUBLIC_KEY&#160;&#160;&#160;-2</td>
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<p>Public Key is Invalid </p>
</div>
</div>
<a id="a5e4fc0adee12585028a804f1aac76ab7"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a5e4fc0adee12585028a804f1aac76ab7">&#9670;&nbsp;</a></span>ECDH_OK</h2>
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<td class="memname">#define ECDH_OK&#160;&#160;&#160;0</td>
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<p>Function completed without error </p>
</div>
</div>
<a id="a4b4df9df98e090f5b1d19cc935b020d5"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a4b4df9df98e090f5b1d19cc935b020d5">&#9670;&nbsp;</a></span>EFS_BLS381</h2>
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<td class="memname">#define EFS_BLS381&#160;&#160;&#160;<a class="el" href="config__big__384__58_8h.html#a231158cd33825cff286c2406336e0224">MODBYTES_384_58</a></td>
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</table>
</div><div class="memdoc">
<p>ECC Field Size in bytes </p>
</div>
</div>
<a id="a1c15c18e7db69cff6e8b6c75c0fa6acf"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a1c15c18e7db69cff6e8b6c75c0fa6acf">&#9670;&nbsp;</a></span>EGS_BLS381</h2>
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<td class="memname">#define EGS_BLS381&#160;&#160;&#160;<a class="el" href="config__big__384__58_8h.html#a231158cd33825cff286c2406336e0224">MODBYTES_384_58</a></td>
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</table>
</div><div class="memdoc">
<p>ECC Group Size in bytes </p>
</div>
</div>
<h2 class="groupheader">Function Documentation</h2>
<a id="aa9deff93c6a21354958278c58e8b15d8"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aa9deff93c6a21354958278c58e8b15d8">&#9670;&nbsp;</a></span>ECP_BLS381_ECIES_DECRYPT()</h2>
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<td class="memname">int ECP_BLS381_ECIES_DECRYPT </td>
<td>(</td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>h</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structoctet.html">octet</a> *&#160;</td>
<td class="paramname"><em>P1</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structoctet.html">octet</a> *&#160;</td>
<td class="paramname"><em>P2</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structoctet.html">octet</a> *&#160;</td>
<td class="paramname"><em>V</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structoctet.html">octet</a> *&#160;</td>
<td class="paramname"><em>C</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structoctet.html">octet</a> *&#160;</td>
<td class="paramname"><em>T</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structoctet.html">octet</a> *&#160;</td>
<td class="paramname"><em>U</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structoctet.html">octet</a> *&#160;</td>
<td class="paramname"><em>M</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p>IEEE-1363 ECIES Decryption </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">h</td><td>is the hash type </td></tr>
<tr><td class="paramname">P1</td><td>input Key Derivation parameters </td></tr>
<tr><td class="paramname">P2</td><td>input Encoding parameters </td></tr>
<tr><td class="paramname">V</td><td>component of the input ciphertext </td></tr>
<tr><td class="paramname">C</td><td>the input ciphertext </td></tr>
<tr><td class="paramname">T</td><td>the input HMAC tag, part of the ciphertext </td></tr>
<tr><td class="paramname">U</td><td>the input private key for decryption </td></tr>
<tr><td class="paramname">M</td><td>the output plaintext message </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>1 if successful, else 0 </dd></dl>
</div>
</div>
<a id="a620b48f1e68f716c937de02431288b90"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a620b48f1e68f716c937de02431288b90">&#9670;&nbsp;</a></span>ECP_BLS381_ECIES_ENCRYPT()</h2>
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<td class="memname">void ECP_BLS381_ECIES_ENCRYPT </td>
<td>(</td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>h</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structoctet.html">octet</a> *&#160;</td>
<td class="paramname"><em>P1</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structoctet.html">octet</a> *&#160;</td>
<td class="paramname"><em>P2</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structcsprng.html">csprng</a> *&#160;</td>
<td class="paramname"><em>R</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structoctet.html">octet</a> *&#160;</td>
<td class="paramname"><em>W</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structoctet.html">octet</a> *&#160;</td>
<td class="paramname"><em>M</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>len</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structoctet.html">octet</a> *&#160;</td>
<td class="paramname"><em>V</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structoctet.html">octet</a> *&#160;</td>
<td class="paramname"><em>C</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structoctet.html">octet</a> *&#160;</td>
<td class="paramname"><em>T</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p>IEEE-1363 ECIES Encryption </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">h</td><td>is the hash type </td></tr>
<tr><td class="paramname">P1</td><td>input Key Derivation parameters </td></tr>
<tr><td class="paramname">P2</td><td>input Encoding parameters </td></tr>
<tr><td class="paramname">R</td><td>is a pointer to a cryptographically secure random number generator </td></tr>
<tr><td class="paramname">W</td><td>the input public key of the recieving party </td></tr>
<tr><td class="paramname">M</td><td>is the plaintext message to be encrypted </td></tr>
<tr><td class="paramname">len</td><td>the length of the HMAC tag </td></tr>
<tr><td class="paramname">V</td><td>component of the output ciphertext </td></tr>
<tr><td class="paramname">C</td><td>the output ciphertext </td></tr>
<tr><td class="paramname">T</td><td>the output HMAC tag, part of the ciphertext </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a id="a8e4fded6efde3462418822e551504733"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a8e4fded6efde3462418822e551504733">&#9670;&nbsp;</a></span>ECP_BLS381_KEY_PAIR_GENERATE()</h2>
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<td class="memname">int ECP_BLS381_KEY_PAIR_GENERATE </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structcsprng.html">csprng</a> *&#160;</td>
<td class="paramname"><em>R</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structoctet.html">octet</a> *&#160;</td>
<td class="paramname"><em>s</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structoctet.html">octet</a> *&#160;</td>
<td class="paramname"><em>W</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
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<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">R</td><td>is a pointer to a cryptographically secure random number generator </td></tr>
<tr><td class="paramname">s</td><td>the private key, an output internally randomly generated if R!=NULL, otherwise must be provided as an input </td></tr>
<tr><td class="paramname">W</td><td>the output public key, which is s.G, where G is a fixed generator </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 or an error code </dd></dl>
</div>
</div>
<a id="aab29c5a110e32e019fabac150fb1386a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aab29c5a110e32e019fabac150fb1386a">&#9670;&nbsp;</a></span>ECP_BLS381_PUBLIC_KEY_VALIDATE()</h2>
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<td class="memname">int ECP_BLS381_PUBLIC_KEY_VALIDATE </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structoctet.html">octet</a> *&#160;</td>
<td class="paramname"><em>W</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">W</td><td>the input public key to be validated </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 if public key is OK, or an error code </dd></dl>
</div>
</div>
<a id="a6295d26e0b8bcdbaf4cdbad9f68f399f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a6295d26e0b8bcdbaf4cdbad9f68f399f">&#9670;&nbsp;</a></span>ECP_BLS381_SP_DSA()</h2>
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<td class="memname">int ECP_BLS381_SP_DSA </td>
<td>(</td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>h</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structcsprng.html">csprng</a> *&#160;</td>
<td class="paramname"><em>R</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structoctet.html">octet</a> *&#160;</td>
<td class="paramname"><em>k</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structoctet.html">octet</a> *&#160;</td>
<td class="paramname"><em>s</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structoctet.html">octet</a> *&#160;</td>
<td class="paramname"><em>M</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structoctet.html">octet</a> *&#160;</td>
<td class="paramname"><em>c</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structoctet.html">octet</a> *&#160;</td>
<td class="paramname"><em>d</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
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<p>IEEE-1363 ECDSA Signature </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">h</td><td>is the hash type </td></tr>
<tr><td class="paramname">R</td><td>is a pointer to a cryptographically secure random number generator </td></tr>
<tr><td class="paramname">k</td><td>Ephemeral key. This value is used when R=NULL </td></tr>
<tr><td class="paramname">s</td><td>the input private signing key </td></tr>
<tr><td class="paramname">M</td><td>the input message to be signed </td></tr>
<tr><td class="paramname">c</td><td>component of the output signature </td></tr>
<tr><td class="paramname">d</td><td>component of the output signature </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a id="a68024405d3df84389f8850cf9079c272"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a68024405d3df84389f8850cf9079c272">&#9670;&nbsp;</a></span>ECP_BLS381_SVDP_DH()</h2>
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<td class="memname">int ECP_BLS381_SVDP_DH </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structoctet.html">octet</a> *&#160;</td>
<td class="paramname"><em>s</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structoctet.html">octet</a> *&#160;</td>
<td class="paramname"><em>W</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structoctet.html">octet</a> *&#160;</td>
<td class="paramname"><em>K</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>IEEE-1363 Diffie-Hellman shared secret calculation </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">s</td><td>is the input private key, </td></tr>
<tr><td class="paramname">W</td><td>the input public key of the other party </td></tr>
<tr><td class="paramname">K</td><td>the output shared key, in fact the x-coordinate of s.W </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 or an error code </dd></dl>
</div>
</div>
<a id="af328885e1d0ef09895523c422e1729bb"></a>
<h2 class="memtitle"><span class="permalink"><a href="#af328885e1d0ef09895523c422e1729bb">&#9670;&nbsp;</a></span>ECP_BLS381_VP_DSA()</h2>
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<div class="memproto">
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<td class="memname">int ECP_BLS381_VP_DSA </td>
<td>(</td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>h</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structoctet.html">octet</a> *&#160;</td>
<td class="paramname"><em>W</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structoctet.html">octet</a> *&#160;</td>
<td class="paramname"><em>M</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structoctet.html">octet</a> *&#160;</td>
<td class="paramname"><em>c</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structoctet.html">octet</a> *&#160;</td>
<td class="paramname"><em>d</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>IEEE-1363 ECDSA Signature Verification </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">h</td><td>is the hash type </td></tr>
<tr><td class="paramname">W</td><td>the input public key </td></tr>
<tr><td class="paramname">M</td><td>the input message </td></tr>
<tr><td class="paramname">c</td><td>component of the input signature </td></tr>
<tr><td class="paramname">d</td><td>component of the input signature </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 or an error code </dd></dl>
</div>
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