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<a href="ecdh__support_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"> Licensed to the Apache Software Foundation (ASF) under one</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> or more contributor license agreements. See the NOTICE file</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> distributed with this work for additional information</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> regarding copyright ownership. The ASF licenses this file</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> to you under the Apache License, Version 2.0 (the</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> &quot;License&quot;); you may not use this file except in compliance</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"> with the License. You may obtain a copy of the License at</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment"> http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"> Unless required by applicable law or agreed to in writing,</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment"> software distributed under the License is distributed on an</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment"> &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> KIND, either express or implied. See the License for the</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment"> specific language governing permissions and limitations</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment"> under the License.</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment">*/</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor">#ifndef ECC_SUPPORT_H</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="preprocessor">#define ECC_SUPPORT_H</span></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="preprocessor">#include &quot;amcl.h&quot;</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="comment">/* Auxiliary Functions */</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">void</span> <a class="code" href="ecdh__support_8h.html#a3078495b62c35ca843d7be428075787d">ehashit</a>(<span class="keywordtype">int</span> sha,<a class="code" href="structoctet.html">octet</a> *p,<span class="keywordtype">int</span> n,<a class="code" href="structoctet.html">octet</a> *x,<a class="code" href="structoctet.html">octet</a> *w,<span class="keywordtype">int</span> pad);</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">void</span> <a class="code" href="ecdh__support_8h.html#ae844e6528280a189a41b8095b8d41502">HASH</a>(<span class="keywordtype">int</span> h,<a class="code" href="structoctet.html">octet</a> *I,<a class="code" href="structoctet.html">octet</a> *O);</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">int</span> <a class="code" href="ecdh__support_8h.html#a3f914310b794e24aed3b14958579c246">HMAC</a>(<span class="keywordtype">int</span> h,<a class="code" href="structoctet.html">octet</a> *M,<a class="code" href="structoctet.html">octet</a> *K,<span class="keywordtype">int</span> len,<a class="code" href="structoctet.html">octet</a> *tag);</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;<span class="comment">/*extern void KDF1(octet *,int,octet *);*/</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">void</span> <a class="code" href="ecdh__support_8h.html#af451b083058dddf1aa794a20f636793b">KDF2</a>(<span class="keywordtype">int</span> h,<a class="code" href="structoctet.html">octet</a> *Z,<a class="code" href="structoctet.html">octet</a> *P,<span class="keywordtype">int</span> len,<a class="code" href="structoctet.html">octet</a> *K);</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">void</span> <a class="code" href="ecdh__support_8h.html#a62c536a5dc88eb2f318773d6461f9759">PBKDF2</a>(<span class="keywordtype">int</span> h,<a class="code" href="structoctet.html">octet</a> *P,<a class="code" href="structoctet.html">octet</a> *S,<span class="keywordtype">int</span> rep,<span class="keywordtype">int</span> len,<a class="code" href="structoctet.html">octet</a> *K);</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">void</span> <a class="code" href="ecdh__support_8h.html#afa50c2b84fbb255a8484dc0f1ccb4e93">AES_CBC_IV0_ENCRYPT</a>(<a class="code" href="structoctet.html">octet</a> *K,<a class="code" href="structoctet.html">octet</a> *P,<a class="code" href="structoctet.html">octet</a> *C);</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">int</span> <a class="code" href="ecdh__support_8h.html#a8828699bae266bf22a61ce901e49e0bc">AES_CBC_IV0_DECRYPT</a>(<a class="code" href="structoctet.html">octet</a> *K,<a class="code" href="structoctet.html">octet</a> *C,<a class="code" href="structoctet.html">octet</a> *P);</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;<span class="comment">/* ECDH primitives - support functions */</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160;<span class="preprocessor">#endif</span></div><div class="ttc" id="ecdh__support_8h_html_a3f914310b794e24aed3b14958579c246"><div class="ttname"><a href="ecdh__support_8h.html#a3f914310b794e24aed3b14958579c246">HMAC</a></div><div class="ttdeci">int HMAC(int h, octet *M, octet *K, int len, octet *tag)</div><div class="ttdoc">HMAC of message M using key K to create tag of length len in octet tag.</div><div class="ttdef"><b>Definition:</b> ecdh_support.c:147</div></div>
<div class="ttc" id="ecdh__support_8h_html_a8828699bae266bf22a61ce901e49e0bc"><div class="ttname"><a href="ecdh__support_8h.html#a8828699bae266bf22a61ce901e49e0bc">AES_CBC_IV0_DECRYPT</a></div><div class="ttdeci">int AES_CBC_IV0_DECRYPT(octet *K, octet *C, octet *P)</div><div class="ttdoc">AES encrypts a plaintext to a ciphtertext.</div><div class="ttdef"><b>Definition:</b> ecdh_support.c:282</div></div>
<div class="ttc" id="structoctet_html"><div class="ttname"><a href="structoctet.html">octet</a></div><div class="ttdoc">Portable representation of a big positive number.</div><div class="ttdef"><b>Definition:</b> amcl.h:209</div></div>
<div class="ttc" id="ecdh__support_8h_html_a62c536a5dc88eb2f318773d6461f9759"><div class="ttname"><a href="ecdh__support_8h.html#a62c536a5dc88eb2f318773d6461f9759">PBKDF2</a></div><div class="ttdeci">void PBKDF2(int h, octet *P, octet *S, int rep, int len, octet *K)</div><div class="ttdoc">Password Based Key Derivation Function - generates key K from password, salt and repeat counter.</div><div class="ttdef"><b>Definition:</b> ecdh_support.c:206</div></div>
<div class="ttc" id="ecdh__support_8h_html_afa50c2b84fbb255a8484dc0f1ccb4e93"><div class="ttname"><a href="ecdh__support_8h.html#afa50c2b84fbb255a8484dc0f1ccb4e93">AES_CBC_IV0_ENCRYPT</a></div><div class="ttdeci">void AES_CBC_IV0_ENCRYPT(octet *K, octet *P, octet *C)</div><div class="ttdoc">AES encrypts a plaintext to a ciphtertext.</div><div class="ttdef"><b>Definition:</b> ecdh_support.c:236</div></div>
<div class="ttc" id="ecdh__support_8h_html_a3078495b62c35ca843d7be428075787d"><div class="ttname"><a href="ecdh__support_8h.html#a3078495b62c35ca843d7be428075787d">ehashit</a></div><div class="ttdeci">void ehashit(int sha, octet *p, int n, octet *x, octet *w, int pad)</div><div class="ttdoc">general purpose hash function w=hash(p|n|x|y)</div><div class="ttdef"><b>Definition:</b> ecdh_support.c:33</div></div>
<div class="ttc" id="ecdh__support_8h_html_af451b083058dddf1aa794a20f636793b"><div class="ttname"><a href="ecdh__support_8h.html#af451b083058dddf1aa794a20f636793b">KDF2</a></div><div class="ttdeci">void KDF2(int h, octet *Z, octet *P, int len, octet *K)</div><div class="ttdoc">Key Derivation Function - generates key K from inputs Z and P.</div><div class="ttdef"><b>Definition:</b> ecdh_support.c:182</div></div>
<div class="ttc" id="ecdh__support_8h_html_ae844e6528280a189a41b8095b8d41502"><div class="ttname"><a href="ecdh__support_8h.html#ae844e6528280a189a41b8095b8d41502">HASH</a></div><div class="ttdeci">void HASH(int h, octet *I, octet *O)</div><div class="ttdoc">hash an octet into another octet</div><div class="ttdef"><b>Definition:</b> ecdh_support.c:141</div></div>
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