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<a href="ecdsa_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="l00012"></a><span class="lineno"> 12</span> <span class="comment">/*</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * Copyright (C) 2006-2018, Arm Limited (or its affiliates), All Rights Reserved</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * SPDX-License-Identifier: Apache-2.0</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * Licensed under the Apache License, Version 2.0 (the "License"); you may</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * not use this file except in compliance with the License.</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * You may obtain a copy of the License at</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> *</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</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"> * Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * limitations under the License.</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> *</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * This file is part of Mbed TLS (https://tls.mbed.org)</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> </div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#ifndef MBEDTLS_ECDSA_H</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#define MBEDTLS_ECDSA_H</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include "<a class="code" href="ecp_8h.html">ecp.h</a>"</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include "<a class="code" href="md_8h.html">md.h</a>"</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">/*</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> * RFC-4492 page 20:</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> *</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> * Ecdsa-Sig-Value ::= SEQUENCE {</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> * r INTEGER,</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> * s INTEGER</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> * }</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> *</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> * Size is at most</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> * 1 (tag) + 1 (len) + 1 (initial 0) + ECP_MAX_BYTES for each of r and s,</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> * twice that + 1 (tag) + 2 (len) for the sequence</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> * (assuming ECP_MAX_BYTES is less than 126 for r and s,</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"> * and less than 124 (total len <= 255) for the sequence)</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"> */</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#if MBEDTLS_ECP_MAX_BYTES > 124</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#error "MBEDTLS_ECP_MAX_BYTES bigger than expected, please fix MBEDTLS_ECDSA_MAX_LEN"</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="ecdsa_8h.html#aeb07d11aef4d847c5cc5cfba49547136"> 55</a></span> <span class="preprocessor">#define MBEDTLS_ECDSA_MAX_LEN ( 3 + 2 * ( 3 + MBEDTLS_ECP_MAX_BYTES ) )</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div><div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="ecdsa_8h.html#a86ad4c743272c83310c20585ec7a182f"> 60</a></span> <span class="keyword">typedef</span> <a class="code" href="structmbedtls__ecp__keypair.html">mbedtls_ecp_keypair</a> <a class="code" href="ecdsa_8h.html#a86ad4c743272c83310c20585ec7a182f">mbedtls_ecdsa_context</a>;</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="keywordtype">int</span> <a class="code" href="ecdsa_8h.html#af10f6fda2169862871d0ac07555c8641">mbedtls_ecdsa_sign</a>( <a class="code" href="structmbedtls__ecp__group.html">mbedtls_ecp_group</a> *grp, <a class="code" href="structmbedtls__mpi.html">mbedtls_mpi</a> *r, <a class="code" href="structmbedtls__mpi.html">mbedtls_mpi</a> *s,</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">const</span> <a class="code" href="structmbedtls__mpi.html">mbedtls_mpi</a> *d, <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="l00094"></a><span class="lineno"> 94</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>), <span class="keywordtype">void</span> *p_rng );</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="preprocessor">#if defined(MBEDTLS_ECDSA_DETERMINISTIC)</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="keywordtype">int</span> <a class="code" href="ecdsa_8h.html#a381af8cc9ab0146a4cf1ba5226c81a8f">mbedtls_ecdsa_sign_det</a>( <a class="code" href="structmbedtls__ecp__group.html">mbedtls_ecp_group</a> *grp, <a class="code" href="structmbedtls__mpi.html">mbedtls_mpi</a> *r, <a class="code" href="structmbedtls__mpi.html">mbedtls_mpi</a> *s,</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keyword">const</span> <a class="code" href="structmbedtls__mpi.html">mbedtls_mpi</a> *d, <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="l00126"></a><span class="lineno"> 126</span>  <a class="code" href="md_8h.html#a219313cb40503ec3e34a857ab98b2296">mbedtls_md_type_t</a> md_alg );</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="preprocessor">#endif </span><span class="comment">/* MBEDTLS_ECDSA_DETERMINISTIC */</span><span class="preprocessor"></span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="keywordtype">int</span> <a class="code" href="ecdsa_8h.html#a2292032f359fda59a7fd14911cc56f38">mbedtls_ecdsa_verify</a>( <a class="code" href="structmbedtls__ecp__group.html">mbedtls_ecp_group</a> *grp,</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</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="l00155"></a><span class="lineno"> 155</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> *r, <span class="keyword">const</span> <a class="code" href="structmbedtls__mpi.html">mbedtls_mpi</a> *s);</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="keywordtype">int</span> <a class="code" href="ecdsa_8h.html#a76da70289de1f746ad9cce1eadf7b135">mbedtls_ecdsa_write_signature</a>( <a class="code" href="structmbedtls__ecp__keypair.html">mbedtls_ecdsa_context</a> *ctx, <a class="code" href="md_8h.html#a219313cb40503ec3e34a857ab98b2296">mbedtls_md_type_t</a> md_alg,</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *hash, <span class="keywordtype">size_t</span> hlen,</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *sig, <span class="keywordtype">size_t</span> *slen,</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</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="l00202"></a><span class="lineno"> 202</span>  <span class="keywordtype">void</span> *p_rng );</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span> </div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="preprocessor">#if defined(MBEDTLS_ECDSA_DETERMINISTIC)</span></div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="preprocessor">#if ! defined(MBEDTLS_DEPRECATED_REMOVED)</span></div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="preprocessor">#if defined(MBEDTLS_DEPRECATED_WARNING)</span></div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="preprocessor">#define MBEDTLS_DEPRECATED __attribute__((deprecated))</span></div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00209"></a><span class="lineno"><a class="line" href="ecdsa_8h.html#aa9f53b232ef244efb301233d111930dc"> 209</a></span> <span class="preprocessor">#define MBEDTLS_DEPRECATED</span></div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span> </div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="keywordtype">int</span> <a class="code" href="ecdsa_8h.html#a3827a7cf6502530e831e0bb1fcfdd5d8">mbedtls_ecdsa_write_signature_det</a>( <a class="code" href="structmbedtls__ecp__keypair.html">mbedtls_ecdsa_context</a> *ctx,</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *hash, <span class="keywordtype">size_t</span> hlen,</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *sig, <span class="keywordtype">size_t</span> *slen,</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <a class="code" href="md_8h.html#a219313cb40503ec3e34a857ab98b2296">mbedtls_md_type_t</a> md_alg ) <a class="code" href="ecdsa_8h.html#aa9f53b232ef244efb301233d111930dc">MBEDTLS_DEPRECATED</a>;</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="preprocessor">#undef MBEDTLS_DEPRECATED</span></div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="preprocessor">#endif </span><span class="comment">/* MBEDTLS_DEPRECATED_REMOVED */</span><span class="preprocessor"></span></div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="preprocessor">#endif </span><span class="comment">/* MBEDTLS_ECDSA_DETERMINISTIC */</span><span class="preprocessor"></span></div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span> </div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="keywordtype">int</span> <a class="code" href="ecdsa_8h.html#a8085ade3e127118aa615f65cb1d393d5">mbedtls_ecdsa_read_signature</a>( <a class="code" href="structmbedtls__ecp__keypair.html">mbedtls_ecdsa_context</a> *ctx,</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *hash, <span class="keywordtype">size_t</span> hlen,</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *sig, <span class="keywordtype">size_t</span> slen );</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span> </div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span> <span class="keywordtype">int</span> <a class="code" href="ecdsa_8h.html#ab909bd06650e761e9fd176a86bd1ce17">mbedtls_ecdsa_genkey</a>( <a class="code" href="structmbedtls__ecp__keypair.html">mbedtls_ecdsa_context</a> *ctx, <a class="code" href="ecp_8h.html#af79e530ea8f8416480f805baa20b1a2d">mbedtls_ecp_group_id</a> gid,</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</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>), <span class="keywordtype">void</span> *p_rng );</div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span> </div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span> <span class="keywordtype">int</span> <a class="code" href="ecdsa_8h.html#a6de8efd872cfe1bc2ee93b4a5584226c">mbedtls_ecdsa_from_keypair</a>( <a class="code" href="structmbedtls__ecp__keypair.html">mbedtls_ecdsa_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="l00315"></a><span class="lineno"> 315</span> </div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span> <span class="keywordtype">void</span> <a class="code" href="ecdsa_8h.html#aca644ee02921388fdc42eb06377f4b62">mbedtls_ecdsa_init</a>( <a class="code" href="structmbedtls__ecp__keypair.html">mbedtls_ecdsa_context</a> *ctx );</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span> </div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span> <span class="keywordtype">void</span> <a class="code" href="ecdsa_8h.html#a28dd93cb376a51cce39f062858c1c186">mbedtls_ecdsa_free</a>( <a class="code" href="structmbedtls__ecp__keypair.html">mbedtls_ecdsa_context</a> *ctx );</div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span> </div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span> }</div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span> </div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span> <span class="preprocessor">#endif </span><span class="comment">/* ecdsa.h */</span><span class="preprocessor"></span></div><div class="ttc" id="ecdsa_8h_html_a28dd93cb376a51cce39f062858c1c186"><div class="ttname"><a href="ecdsa_8h.html#a28dd93cb376a51cce39f062858c1c186">mbedtls_ecdsa_free</a></div><div class="ttdeci">void mbedtls_ecdsa_free(mbedtls_ecdsa_context *ctx)</div><div class="ttdoc">This function frees an ECDSA context. </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__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="ecdsa_8h_html_aca644ee02921388fdc42eb06377f4b62"><div class="ttname"><a href="ecdsa_8h.html#aca644ee02921388fdc42eb06377f4b62">mbedtls_ecdsa_init</a></div><div class="ttdeci">void mbedtls_ecdsa_init(mbedtls_ecdsa_context *ctx)</div><div class="ttdoc">This function initializes an ECDSA context. </div></div>
<div class="ttc" id="ecdsa_8h_html_a2292032f359fda59a7fd14911cc56f38"><div class="ttname"><a href="ecdsa_8h.html#a2292032f359fda59a7fd14911cc56f38">mbedtls_ecdsa_verify</a></div><div class="ttdeci">int mbedtls_ecdsa_verify(mbedtls_ecp_group *grp, const unsigned char *buf, size_t blen, const mbedtls_ecp_point *Q, const mbedtls_mpi *r, const mbedtls_mpi *s)</div><div class="ttdoc">This function verifies the ECDSA signature of a previously-hashed message. </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="ecdsa_8h_html_af10f6fda2169862871d0ac07555c8641"><div class="ttname"><a href="ecdsa_8h.html#af10f6fda2169862871d0ac07555c8641">mbedtls_ecdsa_sign</a></div><div class="ttdeci">int mbedtls_ecdsa_sign(mbedtls_ecp_group *grp, mbedtls_mpi *r, mbedtls_mpi *s, const mbedtls_mpi *d, const unsigned char *buf, size_t blen, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng)</div><div class="ttdoc">This function computes the ECDSA signature of a previously-hashed message. </div></div>
<div class="ttc" id="ecdsa_8h_html_a6de8efd872cfe1bc2ee93b4a5584226c"><div class="ttname"><a href="ecdsa_8h.html#a6de8efd872cfe1bc2ee93b4a5584226c">mbedtls_ecdsa_from_keypair</a></div><div class="ttdeci">int mbedtls_ecdsa_from_keypair(mbedtls_ecdsa_context *ctx, const mbedtls_ecp_keypair *key)</div><div class="ttdoc">This function sets an ECDSA context from an EC key pair. </div></div>
<div class="ttc" id="ecdsa_8h_html_a381af8cc9ab0146a4cf1ba5226c81a8f"><div class="ttname"><a href="ecdsa_8h.html#a381af8cc9ab0146a4cf1ba5226c81a8f">mbedtls_ecdsa_sign_det</a></div><div class="ttdeci">int mbedtls_ecdsa_sign_det(mbedtls_ecp_group *grp, mbedtls_mpi *r, mbedtls_mpi *s, const mbedtls_mpi *d, const unsigned char *buf, size_t blen, mbedtls_md_type_t md_alg)</div><div class="ttdoc">This function computes the ECDSA signature of a previously-hashed message, deterministic version...</div></div>
<div class="ttc" id="ecdsa_8h_html_a86ad4c743272c83310c20585ec7a182f"><div class="ttname"><a href="ecdsa_8h.html#a86ad4c743272c83310c20585ec7a182f">mbedtls_ecdsa_context</a></div><div class="ttdeci">mbedtls_ecp_keypair mbedtls_ecdsa_context</div><div class="ttdoc">The ECDSA context structure. </div><div class="ttdef"><b>Definition:</b> <a href="ecdsa_8h_source.html#l00060">ecdsa.h:60</a></div></div>
<div class="ttc" id="ecp_8h_html_af79e530ea8f8416480f805baa20b1a2d"><div class="ttname"><a href="ecp_8h.html#af79e530ea8f8416480f805baa20b1a2d">mbedtls_ecp_group_id</a></div><div class="ttdeci">mbedtls_ecp_group_id</div><div class="ttdef"><b>Definition:</b> <a href="ecp_8h_source.html#l00064">ecp.h:64</a></div></div>
<div class="ttc" id="ecdsa_8h_html_ab909bd06650e761e9fd176a86bd1ce17"><div class="ttname"><a href="ecdsa_8h.html#ab909bd06650e761e9fd176a86bd1ce17">mbedtls_ecdsa_genkey</a></div><div class="ttdeci">int mbedtls_ecdsa_genkey(mbedtls_ecdsa_context *ctx, mbedtls_ecp_group_id gid, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng)</div><div class="ttdoc">This function generates an ECDSA keypair on the given curve. </div></div>
<div class="ttc" id="md_8h_html"><div class="ttname"><a href="md_8h.html">md.h</a></div><div class="ttdoc">The generic message-digest wrapper. </div></div>
<div class="ttc" id="ecdsa_8h_html_a3827a7cf6502530e831e0bb1fcfdd5d8"><div class="ttname"><a href="ecdsa_8h.html#a3827a7cf6502530e831e0bb1fcfdd5d8">mbedtls_ecdsa_write_signature_det</a></div><div class="ttdeci">int mbedtls_ecdsa_write_signature_det(mbedtls_ecdsa_context *ctx, const unsigned char *hash, size_t hlen, unsigned char *sig, size_t *slen, mbedtls_md_type_t md_alg) MBEDTLS_DEPRECATED</div><div class="ttdoc">This function computes an ECDSA signature and writes it to a buffer, serialized as defined in RFC-449...</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="ecdsa_8h_html_a8085ade3e127118aa615f65cb1d393d5"><div class="ttname"><a href="ecdsa_8h.html#a8085ade3e127118aa615f65cb1d393d5">mbedtls_ecdsa_read_signature</a></div><div class="ttdeci">int mbedtls_ecdsa_read_signature(mbedtls_ecdsa_context *ctx, const unsigned char *hash, size_t hlen, const unsigned char *sig, size_t slen)</div><div class="ttdoc">This function reads and verifies an ECDSA signature. </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="md_8h_html_a219313cb40503ec3e34a857ab98b2296"><div class="ttname"><a href="md_8h.html#a219313cb40503ec3e34a857ab98b2296">mbedtls_md_type_t</a></div><div class="ttdeci">mbedtls_md_type_t</div><div class="ttdoc">Enumeration of supported message digests. </div><div class="ttdef"><b>Definition:</b> <a href="md_8h_source.html#l00056">md.h:56</a></div></div>
<div class="ttc" id="ecdsa_8h_html_aa9f53b232ef244efb301233d111930dc"><div class="ttname"><a href="ecdsa_8h.html#aa9f53b232ef244efb301233d111930dc">MBEDTLS_DEPRECATED</a></div><div class="ttdeci">#define MBEDTLS_DEPRECATED</div><div class="ttdef"><b>Definition:</b> <a href="ecdsa_8h_source.html#l00209">ecdsa.h:209</a></div></div>
<div class="ttc" id="ecdsa_8h_html_a76da70289de1f746ad9cce1eadf7b135"><div class="ttname"><a href="ecdsa_8h.html#a76da70289de1f746ad9cce1eadf7b135">mbedtls_ecdsa_write_signature</a></div><div class="ttdeci">int mbedtls_ecdsa_write_signature(mbedtls_ecdsa_context *ctx, mbedtls_md_type_t md_alg, const unsigned char *hash, size_t hlen, unsigned char *sig, size_t *slen, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng)</div><div class="ttdoc">This function computes the ECDSA signature and writes it to a buffer, serialized as defined in RFC-44...</div></div>
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