<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.13"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>mbed TLS v2.7.3: gcm.h Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td id="projectalign" style="padding-left: 0.5em;">
<div id="projectname">mbed TLS v2.7.3
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.13 -->
<script type="text/javascript" src="menudata.js"></script>
<script type="text/javascript" src="menu.js"></script>
<script type="text/javascript">
$(function() {
initMenu('',false,false,'search.php','Search');
});
</script>
<div id="main-nav"></div>
<div id="nav-path" class="navpath">
<ul>
<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_b4d146e9a6d8dd56ed4afb2480a97fd3.html">mbedtls</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="headertitle">
<div class="title">gcm.h</div> </div>
</div><!--header-->
<div class="contents">
<a href="gcm_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_GCM_H</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#define MBEDTLS_GCM_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="cipher_8h.html">cipher.h</a>"</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 <stdint.h></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"><a class="line" href="gcm_8h.html#a023326dceb6d25c6d0c8a383f8748e86"> 38</a></span> <span class="preprocessor">#define MBEDTLS_GCM_ENCRYPT 1</span></div><div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="gcm_8h.html#a792b42066d6fac0a85d547f5c9c5636a"> 39</a></span> <span class="preprocessor">#define MBEDTLS_GCM_DECRYPT 0</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="gcm_8h.html#a4ed179bbaac5f312fb1235d33db3f6c4"> 41</a></span> <span class="preprocessor">#define MBEDTLS_ERR_GCM_AUTH_FAILED -0x0012 </span></div><div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="gcm_8h.html#a75cad431fcb968f799f6aec5ebdbdc7f"> 42</a></span> <span class="preprocessor">#define MBEDTLS_ERR_GCM_HW_ACCEL_FAILED -0x0013 </span></div><div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="gcm_8h.html#a77153ba10a2c9d428bdb1fb02076429e"> 43</a></span> <span class="preprocessor">#define MBEDTLS_ERR_GCM_BAD_INPUT -0x0014 </span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#if !defined(MBEDTLS_GCM_ALT)</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div><div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="structmbedtls__gcm__context.html"> 54</a></span> <span class="keyword">typedef</span> <span class="keyword">struct </span>{</div><div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="structmbedtls__gcm__context.html#a3687a336bb05c025fb3861ca99cd945d"> 55</a></span>  <a class="code" href="structmbedtls__cipher__context__t.html">mbedtls_cipher_context_t</a> <a class="code" href="structmbedtls__gcm__context.html#a3687a336bb05c025fb3861ca99cd945d">cipher_ctx</a>; </div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="structmbedtls__gcm__context.html#af5731ab9002f0b1b913e66071e1138fc"> 56</a></span>  uint64_t HL[16]; </div><div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="structmbedtls__gcm__context.html#a5935337c8028cc6fec0c5b9c7d0d4fd8"> 57</a></span>  uint64_t HH[16]; </div><div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="structmbedtls__gcm__context.html#a7ca348b10a75f1ab46f7c5067c1ab6e7"> 58</a></span>  uint64_t <a class="code" href="structmbedtls__gcm__context.html#a7ca348b10a75f1ab46f7c5067c1ab6e7">len</a>; </div><div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="structmbedtls__gcm__context.html#aabc65285117dd4b35998a328648faa20"> 59</a></span>  uint64_t <a class="code" href="structmbedtls__gcm__context.html#aabc65285117dd4b35998a328648faa20">add_len</a>; </div><div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="structmbedtls__gcm__context.html#a0ad9a8fb116959218c800b0bc3caeaba"> 60</a></span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> base_ectr[16]; </div><div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="structmbedtls__gcm__context.html#a1a7eb48ed5911aeb2dd983da6cfd32bb"> 61</a></span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> y[16]; </div><div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="structmbedtls__gcm__context.html#a772f2b1c947e9a3631f55b241c421aca"> 62</a></span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> buf[16]; </div><div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="structmbedtls__gcm__context.html#a48f2fbbac9f7bb46411fea24ac433628"> 63</a></span>  <span class="keywordtype">int</span> <a class="code" href="structmbedtls__gcm__context.html#a48f2fbbac9f7bb46411fea24ac433628">mode</a>; </div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> }</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <a class="code" href="structmbedtls__gcm__context.html">mbedtls_gcm_context</a>;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="keywordtype">void</span> <a class="code" href="gcm_8h.html#ac3f60a663c6b01ef6d977ac06aac57df">mbedtls_gcm_init</a>( <a class="code" href="structmbedtls__gcm__context.html">mbedtls_gcm_context</a> *ctx );</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="keywordtype">int</span> <a class="code" href="gcm_8h.html#ae87d2c58882a11976fdc6a30f6f0ae6f">mbedtls_gcm_setkey</a>( <a class="code" href="structmbedtls__gcm__context.html">mbedtls_gcm_context</a> *ctx,</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <a class="code" href="cipher_8h.html#af5b069ffd0b2ad31225e42ee4ee29b1b">mbedtls_cipher_id_t</a> cipher,</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *key,</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> keybits );</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="keywordtype">int</span> <a class="code" href="gcm_8h.html#a3ad456f90f60211f72005dc815b808b5">mbedtls_gcm_crypt_and_tag</a>( <a class="code" href="structmbedtls__gcm__context.html">mbedtls_gcm_context</a> *ctx,</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordtype">int</span> mode,</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordtype">size_t</span> length,</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *iv,</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordtype">size_t</span> iv_len,</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *add,</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordtype">size_t</span> add_len,</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *input,</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *output,</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordtype">size_t</span> tag_len,</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *tag );</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="keywordtype">int</span> <a class="code" href="gcm_8h.html#af264b64b26c4720188b530cfccddb4ef">mbedtls_gcm_auth_decrypt</a>( <a class="code" href="structmbedtls__gcm__context.html">mbedtls_gcm_context</a> *ctx,</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordtype">size_t</span> length,</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *iv,</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordtype">size_t</span> iv_len,</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *add,</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordtype">size_t</span> add_len,</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *tag,</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordtype">size_t</span> tag_len,</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *input,</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *output );</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="keywordtype">int</span> <a class="code" href="gcm_8h.html#a1fc3a11f761e37d515e013d8c8f8975f">mbedtls_gcm_starts</a>( <a class="code" href="structmbedtls__gcm__context.html">mbedtls_gcm_context</a> *ctx,</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordtype">int</span> mode,</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *iv,</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordtype">size_t</span> iv_len,</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *add,</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordtype">size_t</span> add_len );</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span> </div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="keywordtype">int</span> <a class="code" href="gcm_8h.html#a922addfa5c93fa08b6e9da134d5d8f2d">mbedtls_gcm_update</a>( <a class="code" href="structmbedtls__gcm__context.html">mbedtls_gcm_context</a> *ctx,</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordtype">size_t</span> length,</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *input,</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *output );</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span> </div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="keywordtype">int</span> <a class="code" href="gcm_8h.html#a3b6fb653c3085e063c9558eb4a05fc4d">mbedtls_gcm_finish</a>( <a class="code" href="structmbedtls__gcm__context.html">mbedtls_gcm_context</a> *ctx,</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *tag,</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordtype">size_t</span> tag_len );</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span> </div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="keywordtype">void</span> <a class="code" href="gcm_8h.html#af09c2638d0ff09880517231df34d346f">mbedtls_gcm_free</a>( <a class="code" href="structmbedtls__gcm__context.html">mbedtls_gcm_context</a> *ctx );</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span> </div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span> }</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span> </div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="preprocessor">#else </span><span class="comment">/* !MBEDTLS_GCM_ALT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="preprocessor">#include "gcm_alt.h"</span></div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="preprocessor">#endif </span><span class="comment">/* !MBEDTLS_GCM_ALT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span> </div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span> </div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="keywordtype">int</span> <a class="code" href="gcm_8h.html#af08f4690bdc542d366494d13422fa7a3">mbedtls_gcm_self_test</a>( <span class="keywordtype">int</span> verbose );</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span> </div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span> }</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span> </div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span> </div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="preprocessor">#endif </span><span class="comment">/* gcm.h */</span><span class="preprocessor"></span></div><div class="ttc" id="gcm_8h_html_ac3f60a663c6b01ef6d977ac06aac57df"><div class="ttname"><a href="gcm_8h.html#ac3f60a663c6b01ef6d977ac06aac57df">mbedtls_gcm_init</a></div><div class="ttdeci">void mbedtls_gcm_init(mbedtls_gcm_context *ctx)</div><div class="ttdoc">This function initializes the specified GCM context, to make references valid, and prepares the conte...</div></div>
<div class="ttc" id="gcm_8h_html_a1fc3a11f761e37d515e013d8c8f8975f"><div class="ttname"><a href="gcm_8h.html#a1fc3a11f761e37d515e013d8c8f8975f">mbedtls_gcm_starts</a></div><div class="ttdeci">int mbedtls_gcm_starts(mbedtls_gcm_context *ctx, int mode, const unsigned char *iv, size_t iv_len, const unsigned char *add, size_t add_len)</div><div class="ttdoc">This function starts a GCM encryption or decryption operation. </div></div>
<div class="ttc" id="gcm_8h_html_af08f4690bdc542d366494d13422fa7a3"><div class="ttname"><a href="gcm_8h.html#af08f4690bdc542d366494d13422fa7a3">mbedtls_gcm_self_test</a></div><div class="ttdeci">int mbedtls_gcm_self_test(int verbose)</div><div class="ttdoc">The GCM checkup routine. </div></div>
<div class="ttc" id="gcm_8h_html_af09c2638d0ff09880517231df34d346f"><div class="ttname"><a href="gcm_8h.html#af09c2638d0ff09880517231df34d346f">mbedtls_gcm_free</a></div><div class="ttdeci">void mbedtls_gcm_free(mbedtls_gcm_context *ctx)</div><div class="ttdoc">This function clears a GCM context and the underlying cipher sub-context. </div></div>
<div class="ttc" id="structmbedtls__cipher__context__t_html"><div class="ttname"><a href="structmbedtls__cipher__context__t.html">mbedtls_cipher_context_t</a></div><div class="ttdef"><b>Definition:</b> <a href="cipher_8h_source.html#l00245">cipher.h:245</a></div></div>
<div class="ttc" id="structmbedtls__gcm__context_html"><div class="ttname"><a href="structmbedtls__gcm__context.html">mbedtls_gcm_context</a></div><div class="ttdoc">The GCM context structure. </div><div class="ttdef"><b>Definition:</b> <a href="gcm_8h_source.html#l00054">gcm.h:54</a></div></div>
<div class="ttc" id="structmbedtls__gcm__context_html_a3687a336bb05c025fb3861ca99cd945d"><div class="ttname"><a href="structmbedtls__gcm__context.html#a3687a336bb05c025fb3861ca99cd945d">mbedtls_gcm_context::cipher_ctx</a></div><div class="ttdeci">mbedtls_cipher_context_t cipher_ctx</div><div class="ttdef"><b>Definition:</b> <a href="gcm_8h_source.html#l00055">gcm.h:55</a></div></div>
<div class="ttc" id="gcm_8h_html_a922addfa5c93fa08b6e9da134d5d8f2d"><div class="ttname"><a href="gcm_8h.html#a922addfa5c93fa08b6e9da134d5d8f2d">mbedtls_gcm_update</a></div><div class="ttdeci">int mbedtls_gcm_update(mbedtls_gcm_context *ctx, size_t length, const unsigned char *input, unsigned char *output)</div><div class="ttdoc">This function feeds an input buffer into an ongoing GCM encryption or decryption operation. </div></div>
<div class="ttc" id="structmbedtls__gcm__context_html_aabc65285117dd4b35998a328648faa20"><div class="ttname"><a href="structmbedtls__gcm__context.html#aabc65285117dd4b35998a328648faa20">mbedtls_gcm_context::add_len</a></div><div class="ttdeci">uint64_t add_len</div><div class="ttdef"><b>Definition:</b> <a href="gcm_8h_source.html#l00059">gcm.h:59</a></div></div>
<div class="ttc" id="cipher_8h_html_af5b069ffd0b2ad31225e42ee4ee29b1b"><div class="ttname"><a href="cipher_8h.html#af5b069ffd0b2ad31225e42ee4ee29b1b">mbedtls_cipher_id_t</a></div><div class="ttdeci">mbedtls_cipher_id_t</div><div class="ttdoc">An enumeration of supported ciphers. </div><div class="ttdef"><b>Definition:</b> <a href="cipher_8h_source.html#l00078">cipher.h:78</a></div></div>
<div class="ttc" id="cipher_8h_html"><div class="ttname"><a href="cipher_8h.html">cipher.h</a></div><div class="ttdoc">The generic cipher wrapper. </div></div>
<div class="ttc" id="structmbedtls__gcm__context_html_a7ca348b10a75f1ab46f7c5067c1ab6e7"><div class="ttname"><a href="structmbedtls__gcm__context.html#a7ca348b10a75f1ab46f7c5067c1ab6e7">mbedtls_gcm_context::len</a></div><div class="ttdeci">uint64_t len</div><div class="ttdef"><b>Definition:</b> <a href="gcm_8h_source.html#l00058">gcm.h:58</a></div></div>
<div class="ttc" id="gcm_8h_html_ae87d2c58882a11976fdc6a30f6f0ae6f"><div class="ttname"><a href="gcm_8h.html#ae87d2c58882a11976fdc6a30f6f0ae6f">mbedtls_gcm_setkey</a></div><div class="ttdeci">int mbedtls_gcm_setkey(mbedtls_gcm_context *ctx, mbedtls_cipher_id_t cipher, const unsigned char *key, unsigned int keybits)</div><div class="ttdoc">This function associates a GCM context with a cipher algorithm and a key. </div></div>
<div class="ttc" id="gcm_8h_html_a3b6fb653c3085e063c9558eb4a05fc4d"><div class="ttname"><a href="gcm_8h.html#a3b6fb653c3085e063c9558eb4a05fc4d">mbedtls_gcm_finish</a></div><div class="ttdeci">int mbedtls_gcm_finish(mbedtls_gcm_context *ctx, unsigned char *tag, size_t tag_len)</div><div class="ttdoc">This function finishes the GCM operation and generates the authentication tag. </div></div>
<div class="ttc" id="structmbedtls__gcm__context_html_a48f2fbbac9f7bb46411fea24ac433628"><div class="ttname"><a href="structmbedtls__gcm__context.html#a48f2fbbac9f7bb46411fea24ac433628">mbedtls_gcm_context::mode</a></div><div class="ttdeci">int mode</div><div class="ttdef"><b>Definition:</b> <a href="gcm_8h_source.html#l00063">gcm.h:63</a></div></div>
<div class="ttc" id="gcm_8h_html_af264b64b26c4720188b530cfccddb4ef"><div class="ttname"><a href="gcm_8h.html#af264b64b26c4720188b530cfccddb4ef">mbedtls_gcm_auth_decrypt</a></div><div class="ttdeci">int mbedtls_gcm_auth_decrypt(mbedtls_gcm_context *ctx, size_t length, const unsigned char *iv, size_t iv_len, const unsigned char *add, size_t add_len, const unsigned char *tag, size_t tag_len, const unsigned char *input, unsigned char *output)</div><div class="ttdoc">This function performs a GCM authenticated decryption of a buffer. </div></div>
<div class="ttc" id="gcm_8h_html_a3ad456f90f60211f72005dc815b808b5"><div class="ttname"><a href="gcm_8h.html#a3ad456f90f60211f72005dc815b808b5">mbedtls_gcm_crypt_and_tag</a></div><div class="ttdeci">int mbedtls_gcm_crypt_and_tag(mbedtls_gcm_context *ctx, int mode, size_t length, const unsigned char *iv, size_t iv_len, const unsigned char *add, size_t add_len, const unsigned char *input, unsigned char *output, size_t tag_len, unsigned char *tag)</div><div class="ttdoc">This function performs GCM encryption or decryption of a buffer. </div></div>
</div><!-- fragment --></div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated on Tue May 8 2018 21:08:41 for mbed TLS v2.7.3 by  <a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/>
</a> 1.8.13
</small></address>
</body>
</html>
distrib
>
Mageia
>
6
>
x86_64
>
media
>
core-updates
>
by-pkgid
>
f835bee5b8b7ec08e20fae17cab51e63
>
files
>
294
