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<a href="ecdh_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> </div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">/*</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * Copyright (C) 2006-2018, Arm Limited (or its affiliates), All Rights Reserved</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * SPDX-License-Identifier: Apache-2.0</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> *</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * Licensed under the Apache License, Version 2.0 (the "License"); you may</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * not use this file except in compliance with the License.</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * You may obtain a copy of the License at</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"> * http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> *</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> * Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * limitations under the License.</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> *</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> * This file is part of Mbed TLS (https://tls.mbed.org)</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> */</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">#ifndef MBEDTLS_ECDH_H</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#define MBEDTLS_ECDH_H</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include "<a class="code" href="ecp_8h.html">ecp.h</a>"</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div><div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="ecdh_8h.html#ae5df12f2068df09a102e05e02fb1e39c"> 47</a></span> <span class="keyword">typedef</span> <span class="keyword">enum</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> {</div><div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="ecdh_8h.html#ae5df12f2068df09a102e05e02fb1e39ca28e1b43484f53d02de24809228780703"> 49</a></span>  <a class="code" href="ecdh_8h.html#ae5df12f2068df09a102e05e02fb1e39ca28e1b43484f53d02de24809228780703">MBEDTLS_ECDH_OURS</a>,</div><div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="ecdh_8h.html#ae5df12f2068df09a102e05e02fb1e39caee83a43a270657fc7dc2f26c91d2addb"> 50</a></span>  <a class="code" href="ecdh_8h.html#ae5df12f2068df09a102e05e02fb1e39caee83a43a270657fc7dc2f26c91d2addb">MBEDTLS_ECDH_THEIRS</a>,</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> } <a class="code" href="ecdh_8h.html#ae5df12f2068df09a102e05e02fb1e39c">mbedtls_ecdh_side</a>;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="structmbedtls__ecdh__context.html"> 56</a></span> <span class="keyword">typedef</span> <span class="keyword">struct</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> {</div><div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="structmbedtls__ecdh__context.html#a9fd1b03576203de87a92a2d49a4d20ed"> 58</a></span>  <a class="code" href="structmbedtls__ecp__group.html">mbedtls_ecp_group</a> <a class="code" href="structmbedtls__ecdh__context.html#a9fd1b03576203de87a92a2d49a4d20ed">grp</a>; </div><div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="structmbedtls__ecdh__context.html#a22e51b2ea7d4728e48e8897535831cf4"> 59</a></span>  <a class="code" href="structmbedtls__mpi.html">mbedtls_mpi</a> <a class="code" href="structmbedtls__ecdh__context.html#a22e51b2ea7d4728e48e8897535831cf4">d</a>; </div><div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="structmbedtls__ecdh__context.html#af2657e12e87be5b3e73bcf1ea2941d0b"> 60</a></span>  <a class="code" href="structmbedtls__ecp__point.html">mbedtls_ecp_point</a> <a class="code" href="structmbedtls__ecdh__context.html#af2657e12e87be5b3e73bcf1ea2941d0b">Q</a>; </div><div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="structmbedtls__ecdh__context.html#a64ecde7d95dcc725d6af5f8e3ce542ca"> 61</a></span>  <a class="code" href="structmbedtls__ecp__point.html">mbedtls_ecp_point</a> <a class="code" href="structmbedtls__ecdh__context.html#a64ecde7d95dcc725d6af5f8e3ce542ca">Qp</a>; </div><div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="structmbedtls__ecdh__context.html#abfd253d99f23c57cbeafc41985db764c"> 62</a></span>  <a class="code" href="structmbedtls__mpi.html">mbedtls_mpi</a> <a class="code" href="structmbedtls__ecdh__context.html#abfd253d99f23c57cbeafc41985db764c">z</a>; </div><div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="structmbedtls__ecdh__context.html#ae7ae7b0231e898b0d973df360aea8f17"> 63</a></span>  <span class="keywordtype">int</span> <a class="code" href="structmbedtls__ecdh__context.html#ae7ae7b0231e898b0d973df360aea8f17">point_format</a>; </div><div class="line"><a name="l00064"></a><span class="lineno"><a class="line" href="structmbedtls__ecdh__context.html#a6e374b0be49dce0fb02ca8ccfbfe1fee"> 64</a></span>  <a class="code" href="structmbedtls__ecp__point.html">mbedtls_ecp_point</a> <a class="code" href="structmbedtls__ecdh__context.html#a6e374b0be49dce0fb02ca8ccfbfe1fee">Vi</a>; </div><div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="structmbedtls__ecdh__context.html#a2ee12052791b2f212047a16b4e0dcc77"> 65</a></span>  <a class="code" href="structmbedtls__ecp__point.html">mbedtls_ecp_point</a> <a class="code" href="structmbedtls__ecdh__context.html#a2ee12052791b2f212047a16b4e0dcc77">Vf</a>; </div><div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="structmbedtls__ecdh__context.html#af5412a43eb79b11a6cc13c3a9af55e13"> 66</a></span>  <a class="code" href="structmbedtls__mpi.html">mbedtls_mpi</a> <a class="code" href="structmbedtls__ecdh__context.html#af5412a43eb79b11a6cc13c3a9af55e13">_d</a>; </div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> }</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <a class="code" href="structmbedtls__ecdh__context.html">mbedtls_ecdh_context</a>;</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="keywordtype">int</span> <a class="code" href="ecdh_8h.html#a403a5d7363b6219a2017b837b665c354">mbedtls_ecdh_gen_public</a>( <a class="code" href="structmbedtls__ecp__group.html">mbedtls_ecp_group</a> *grp, <a class="code" href="structmbedtls__mpi.html">mbedtls_mpi</a> *d, <a class="code" href="structmbedtls__ecp__point.html">mbedtls_ecp_point</a> *Q,</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordtype">int</span> (*f_rng)(<span class="keywordtype">void</span> *, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *, <span class="keywordtype">size_t</span>),</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordtype">void</span> *p_rng );</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="keywordtype">int</span> <a class="code" href="ecdh_8h.html#aca0670e79f3002a218d6da8c8dee61e1">mbedtls_ecdh_compute_shared</a>( <a class="code" href="structmbedtls__ecp__group.html">mbedtls_ecp_group</a> *grp, <a class="code" href="structmbedtls__mpi.html">mbedtls_mpi</a> *z,</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keyword">const</span> <a class="code" href="structmbedtls__ecp__point.html">mbedtls_ecp_point</a> *Q, <span class="keyword">const</span> <a class="code" href="structmbedtls__mpi.html">mbedtls_mpi</a> *d,</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordtype">int</span> (*f_rng)(<span class="keywordtype">void</span> *, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *, <span class="keywordtype">size_t</span>),</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordtype">void</span> *p_rng );</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="keywordtype">void</span> <a class="code" href="ecdh_8h.html#a97e787a12f7aae180ab9828303199dca">mbedtls_ecdh_init</a>( <a class="code" href="structmbedtls__ecdh__context.html">mbedtls_ecdh_context</a> *ctx );</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="keywordtype">void</span> <a class="code" href="ecdh_8h.html#a89cc40dc92fbbaf0275ea9a6184a5e71">mbedtls_ecdh_free</a>( <a class="code" href="structmbedtls__ecdh__context.html">mbedtls_ecdh_context</a> *ctx );</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="keywordtype">int</span> <a class="code" href="ecdh_8h.html#a784e56d5eea12e38374e9ce028692940">mbedtls_ecdh_make_params</a>( <a class="code" href="structmbedtls__ecdh__context.html">mbedtls_ecdh_context</a> *ctx, <span class="keywordtype">size_t</span> *olen,</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *buf, <span class="keywordtype">size_t</span> blen,</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordtype">int</span> (*f_rng)(<span class="keywordtype">void</span> *, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *, <span class="keywordtype">size_t</span>),</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordtype">void</span> *p_rng );</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="keywordtype">int</span> <a class="code" href="ecdh_8h.html#af07326ad0017bf6fcfb9f93e43641254">mbedtls_ecdh_read_params</a>( <a class="code" href="structmbedtls__ecdh__context.html">mbedtls_ecdh_context</a> *ctx,</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> **buf, <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *end );</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="keywordtype">int</span> <a class="code" href="ecdh_8h.html#a3c03b82213c39abd90a5bd4b1646441d">mbedtls_ecdh_get_params</a>( <a class="code" href="structmbedtls__ecdh__context.html">mbedtls_ecdh_context</a> *ctx, <span class="keyword">const</span> <a class="code" href="structmbedtls__ecp__keypair.html">mbedtls_ecp_keypair</a> *key,</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  mbedtls_ecdh_side side );</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="keywordtype">int</span> <a class="code" href="ecdh_8h.html#a417fd45ce78adb1b52027f995fa5ee57">mbedtls_ecdh_make_public</a>( <a class="code" href="structmbedtls__ecdh__context.html">mbedtls_ecdh_context</a> *ctx, <span class="keywordtype">size_t</span> *olen,</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *buf, <span class="keywordtype">size_t</span> blen,</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordtype">int</span> (*f_rng)(<span class="keywordtype">void</span> *, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *, <span class="keywordtype">size_t</span>),</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordtype">void</span> *p_rng );</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span> </div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="keywordtype">int</span> <a class="code" href="ecdh_8h.html#a9f417d90797b109d3036feb288e33207">mbedtls_ecdh_read_public</a>( <a class="code" href="structmbedtls__ecdh__context.html">mbedtls_ecdh_context</a> *ctx,</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *buf, <span class="keywordtype">size_t</span> blen );</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span> </div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="keywordtype">int</span> <a class="code" href="ecdh_8h.html#a423fee27a0c8603bba336cbfe6dadcaa">mbedtls_ecdh_calc_secret</a>( <a class="code" href="structmbedtls__ecdh__context.html">mbedtls_ecdh_context</a> *ctx, <span class="keywordtype">size_t</span> *olen,</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *buf, <span class="keywordtype">size_t</span> blen,</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordtype">int</span> (*f_rng)(<span class="keywordtype">void</span> *, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *, <span class="keywordtype">size_t</span>),</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordtype">void</span> *p_rng );</div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span> </div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span> }</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span> </div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="preprocessor">#endif </span><span class="comment">/* ecdh.h */</span><span class="preprocessor"></span></div><div class="ttc" id="ecdh_8h_html_a784e56d5eea12e38374e9ce028692940"><div class="ttname"><a href="ecdh_8h.html#a784e56d5eea12e38374e9ce028692940">mbedtls_ecdh_make_params</a></div><div class="ttdeci">int mbedtls_ecdh_make_params(mbedtls_ecdh_context *ctx, size_t *olen, unsigned char *buf, size_t blen, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng)</div><div class="ttdoc">This function generates a public key and a TLS ServerKeyExchange payload. </div></div>
<div class="ttc" id="structmbedtls__ecdh__context_html_abfd253d99f23c57cbeafc41985db764c"><div class="ttname"><a href="structmbedtls__ecdh__context.html#abfd253d99f23c57cbeafc41985db764c">mbedtls_ecdh_context::z</a></div><div class="ttdeci">mbedtls_mpi z</div><div class="ttdef"><b>Definition:</b> <a href="ecdh_8h_source.html#l00062">ecdh.h:62</a></div></div>
<div class="ttc" id="ecp_8h_html"><div class="ttname"><a href="ecp_8h.html">ecp.h</a></div><div class="ttdoc">Elliptic curves over GF(p) </div></div>
<div class="ttc" id="structmbedtls__ecdh__context_html_a22e51b2ea7d4728e48e8897535831cf4"><div class="ttname"><a href="structmbedtls__ecdh__context.html#a22e51b2ea7d4728e48e8897535831cf4">mbedtls_ecdh_context::d</a></div><div class="ttdeci">mbedtls_mpi d</div><div class="ttdef"><b>Definition:</b> <a href="ecdh_8h_source.html#l00059">ecdh.h:59</a></div></div>
<div class="ttc" id="ecdh_8h_html_a417fd45ce78adb1b52027f995fa5ee57"><div class="ttname"><a href="ecdh_8h.html#a417fd45ce78adb1b52027f995fa5ee57">mbedtls_ecdh_make_public</a></div><div class="ttdeci">int mbedtls_ecdh_make_public(mbedtls_ecdh_context *ctx, size_t *olen, unsigned char *buf, size_t blen, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng)</div><div class="ttdoc">This function generates a public key and a TLS ClientKeyExchange payload. </div></div>
<div class="ttc" id="structmbedtls__ecp__keypair_html"><div class="ttname"><a href="structmbedtls__ecp__keypair.html">mbedtls_ecp_keypair</a></div><div class="ttdoc">ECP key pair structure. </div><div class="ttdef"><b>Definition:</b> <a href="ecp_8h_source.html#l00167">ecp.h:167</a></div></div>
<div class="ttc" id="ecdh_8h_html_ae5df12f2068df09a102e05e02fb1e39ca28e1b43484f53d02de24809228780703"><div class="ttname"><a href="ecdh_8h.html#ae5df12f2068df09a102e05e02fb1e39ca28e1b43484f53d02de24809228780703">MBEDTLS_ECDH_OURS</a></div><div class="ttdef"><b>Definition:</b> <a href="ecdh_8h_source.html#l00049">ecdh.h:49</a></div></div>
<div class="ttc" id="ecdh_8h_html_a89cc40dc92fbbaf0275ea9a6184a5e71"><div class="ttname"><a href="ecdh_8h.html#a89cc40dc92fbbaf0275ea9a6184a5e71">mbedtls_ecdh_free</a></div><div class="ttdeci">void mbedtls_ecdh_free(mbedtls_ecdh_context *ctx)</div><div class="ttdoc">This function frees a context. </div></div>
<div class="ttc" id="structmbedtls__ecdh__context_html_af5412a43eb79b11a6cc13c3a9af55e13"><div class="ttname"><a href="structmbedtls__ecdh__context.html#af5412a43eb79b11a6cc13c3a9af55e13">mbedtls_ecdh_context::_d</a></div><div class="ttdeci">mbedtls_mpi _d</div><div class="ttdef"><b>Definition:</b> <a href="ecdh_8h_source.html#l00066">ecdh.h:66</a></div></div>
<div class="ttc" id="ecdh_8h_html_a9f417d90797b109d3036feb288e33207"><div class="ttname"><a href="ecdh_8h.html#a9f417d90797b109d3036feb288e33207">mbedtls_ecdh_read_public</a></div><div class="ttdeci">int mbedtls_ecdh_read_public(mbedtls_ecdh_context *ctx, const unsigned char *buf, size_t blen)</div><div class="ttdoc">This function parses and processes a TLS ClientKeyExchange payload. </div></div>
<div class="ttc" id="structmbedtls__ecp__group_html"><div class="ttname"><a href="structmbedtls__ecp__group.html">mbedtls_ecp_group</a></div><div class="ttdoc">ECP group structure. </div><div class="ttdef"><b>Definition:</b> <a href="ecp_8h_source.html#l00140">ecp.h:140</a></div></div>
<div class="ttc" id="ecdh_8h_html_aca0670e79f3002a218d6da8c8dee61e1"><div class="ttname"><a href="ecdh_8h.html#aca0670e79f3002a218d6da8c8dee61e1">mbedtls_ecdh_compute_shared</a></div><div class="ttdeci">int mbedtls_ecdh_compute_shared(mbedtls_ecp_group *grp, mbedtls_mpi *z, const mbedtls_ecp_point *Q, const mbedtls_mpi *d, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng)</div><div class="ttdoc">This function computes the shared secret. </div></div>
<div class="ttc" id="structmbedtls__ecdh__context_html_a6e374b0be49dce0fb02ca8ccfbfe1fee"><div class="ttname"><a href="structmbedtls__ecdh__context.html#a6e374b0be49dce0fb02ca8ccfbfe1fee">mbedtls_ecdh_context::Vi</a></div><div class="ttdeci">mbedtls_ecp_point Vi</div><div class="ttdef"><b>Definition:</b> <a href="ecdh_8h_source.html#l00064">ecdh.h:64</a></div></div>
<div class="ttc" id="structmbedtls__ecdh__context_html_a9fd1b03576203de87a92a2d49a4d20ed"><div class="ttname"><a href="structmbedtls__ecdh__context.html#a9fd1b03576203de87a92a2d49a4d20ed">mbedtls_ecdh_context::grp</a></div><div class="ttdeci">mbedtls_ecp_group grp</div><div class="ttdef"><b>Definition:</b> <a href="ecdh_8h_source.html#l00058">ecdh.h:58</a></div></div>
<div class="ttc" id="ecdh_8h_html_a97e787a12f7aae180ab9828303199dca"><div class="ttname"><a href="ecdh_8h.html#a97e787a12f7aae180ab9828303199dca">mbedtls_ecdh_init</a></div><div class="ttdeci">void mbedtls_ecdh_init(mbedtls_ecdh_context *ctx)</div><div class="ttdoc">This function initializes an ECDH context. </div></div>
<div class="ttc" id="ecdh_8h_html_a403a5d7363b6219a2017b837b665c354"><div class="ttname"><a href="ecdh_8h.html#a403a5d7363b6219a2017b837b665c354">mbedtls_ecdh_gen_public</a></div><div class="ttdeci">int mbedtls_ecdh_gen_public(mbedtls_ecp_group *grp, mbedtls_mpi *d, mbedtls_ecp_point *Q, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng)</div><div class="ttdoc">This function generates an ECDH keypair on an elliptic curve. </div></div>
<div class="ttc" id="ecdh_8h_html_ae5df12f2068df09a102e05e02fb1e39c"><div class="ttname"><a href="ecdh_8h.html#ae5df12f2068df09a102e05e02fb1e39c">mbedtls_ecdh_side</a></div><div class="ttdeci">mbedtls_ecdh_side</div><div class="ttdef"><b>Definition:</b> <a href="ecdh_8h_source.html#l00047">ecdh.h:47</a></div></div>
<div class="ttc" id="ecdh_8h_html_af07326ad0017bf6fcfb9f93e43641254"><div class="ttname"><a href="ecdh_8h.html#af07326ad0017bf6fcfb9f93e43641254">mbedtls_ecdh_read_params</a></div><div class="ttdeci">int mbedtls_ecdh_read_params(mbedtls_ecdh_context *ctx, const unsigned char **buf, const unsigned char *end)</div><div class="ttdoc">This function parses and processes a TLS ServerKeyExhange payload. </div></div>
<div class="ttc" id="structmbedtls__ecdh__context_html_ae7ae7b0231e898b0d973df360aea8f17"><div class="ttname"><a href="structmbedtls__ecdh__context.html#ae7ae7b0231e898b0d973df360aea8f17">mbedtls_ecdh_context::point_format</a></div><div class="ttdeci">int point_format</div><div class="ttdef"><b>Definition:</b> <a href="ecdh_8h_source.html#l00063">ecdh.h:63</a></div></div>
<div class="ttc" id="structmbedtls__ecdh__context_html"><div class="ttname"><a href="structmbedtls__ecdh__context.html">mbedtls_ecdh_context</a></div><div class="ttdoc">The ECDH context structure. </div><div class="ttdef"><b>Definition:</b> <a href="ecdh_8h_source.html#l00056">ecdh.h:56</a></div></div>
<div class="ttc" id="structmbedtls__ecdh__context_html_a64ecde7d95dcc725d6af5f8e3ce542ca"><div class="ttname"><a href="structmbedtls__ecdh__context.html#a64ecde7d95dcc725d6af5f8e3ce542ca">mbedtls_ecdh_context::Qp</a></div><div class="ttdeci">mbedtls_ecp_point Qp</div><div class="ttdef"><b>Definition:</b> <a href="ecdh_8h_source.html#l00061">ecdh.h:61</a></div></div>
<div class="ttc" id="structmbedtls__ecdh__context_html_af2657e12e87be5b3e73bcf1ea2941d0b"><div class="ttname"><a href="structmbedtls__ecdh__context.html#af2657e12e87be5b3e73bcf1ea2941d0b">mbedtls_ecdh_context::Q</a></div><div class="ttdeci">mbedtls_ecp_point Q</div><div class="ttdef"><b>Definition:</b> <a href="ecdh_8h_source.html#l00060">ecdh.h:60</a></div></div>
<div class="ttc" id="structmbedtls__ecdh__context_html_a2ee12052791b2f212047a16b4e0dcc77"><div class="ttname"><a href="structmbedtls__ecdh__context.html#a2ee12052791b2f212047a16b4e0dcc77">mbedtls_ecdh_context::Vf</a></div><div class="ttdeci">mbedtls_ecp_point Vf</div><div class="ttdef"><b>Definition:</b> <a href="ecdh_8h_source.html#l00065">ecdh.h:65</a></div></div>
<div class="ttc" id="structmbedtls__mpi_html"><div class="ttname"><a href="structmbedtls__mpi.html">mbedtls_mpi</a></div><div class="ttdoc">MPI structure. </div><div class="ttdef"><b>Definition:</b> <a href="bignum_8h_source.html#l00180">bignum.h:180</a></div></div>
<div class="ttc" id="ecdh_8h_html_a423fee27a0c8603bba336cbfe6dadcaa"><div class="ttname"><a href="ecdh_8h.html#a423fee27a0c8603bba336cbfe6dadcaa">mbedtls_ecdh_calc_secret</a></div><div class="ttdeci">int mbedtls_ecdh_calc_secret(mbedtls_ecdh_context *ctx, size_t *olen, unsigned char *buf, size_t blen, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng)</div><div class="ttdoc">This function derives and exports the shared secret. </div></div>
<div class="ttc" id="structmbedtls__ecp__point_html"><div class="ttname"><a href="structmbedtls__ecp__point.html">mbedtls_ecp_point</a></div><div class="ttdoc">ECP point structure (jacobian coordinates) </div><div class="ttdef"><b>Definition:</b> <a href="ecp_8h_source.html#l00108">ecp.h:108</a></div></div>
<div class="ttc" id="ecdh_8h_html_a3c03b82213c39abd90a5bd4b1646441d"><div class="ttname"><a href="ecdh_8h.html#a3c03b82213c39abd90a5bd4b1646441d">mbedtls_ecdh_get_params</a></div><div class="ttdeci">int mbedtls_ecdh_get_params(mbedtls_ecdh_context *ctx, const mbedtls_ecp_keypair *key, mbedtls_ecdh_side side)</div><div class="ttdoc">This function sets up an ECDH context from an EC key. </div></div>
<div class="ttc" id="ecdh_8h_html_ae5df12f2068df09a102e05e02fb1e39caee83a43a270657fc7dc2f26c91d2addb"><div class="ttname"><a href="ecdh_8h.html#ae5df12f2068df09a102e05e02fb1e39caee83a43a270657fc7dc2f26c91d2addb">MBEDTLS_ECDH_THEIRS</a></div><div class="ttdef"><b>Definition:</b> <a href="ecdh_8h_source.html#l00050">ecdh.h:50</a></div></div>
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