<!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 v2.7.6: arc4.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 v2.7.6 </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">arc4.h</div> </div> </div><!--header--> <div class="contents"> <a href="arc4_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="l00009"></a><span class="lineno"> 9</span> <span class="comment">/*</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * SPDX-License-Identifier: Apache-2.0</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"> * Licensed under the Apache License, Version 2.0 (the "License"); you may</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * not use this file except in compliance with the License.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * You may obtain a copy of the License at</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> *</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> *</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * limitations under the License.</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> *</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * This file is part of mbed TLS (https://tls.mbed.org)</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> *</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="preprocessor">#ifndef MBEDTLS_ARC4_H</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#define MBEDTLS_ARC4_H</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">#if !defined(MBEDTLS_CONFIG_FILE)</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "<a class="code" href="config_8h.html">config.h</a>"</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include MBEDTLS_CONFIG_FILE</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#endif</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="preprocessor">#include <stddef.h></span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="arc4_8h.html#a8dc53076b58b94fa82cd9a76b39f0e78"> 39</a></span> <span class="preprocessor">#define MBEDTLS_ERR_ARC4_HW_ACCEL_FAILED -0x0019 </span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#if !defined(MBEDTLS_ARC4_ALT)</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment">// Regular implementation</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> </div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="structmbedtls__arc4__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__arc4__context.html#a35ada04bd0e0ebb3c91fe0a7be91d62c"> 58</a></span>  <span class="keywordtype">int</span> <a class="code" href="structmbedtls__arc4__context.html#a35ada04bd0e0ebb3c91fe0a7be91d62c">x</a>; </div><div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="structmbedtls__arc4__context.html#a53d6a6d70c2b3ef5cd4467ae32e21429"> 59</a></span>  <span class="keywordtype">int</span> <a class="code" href="structmbedtls__arc4__context.html#a53d6a6d70c2b3ef5cd4467ae32e21429">y</a>; </div><div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="structmbedtls__arc4__context.html#a18aed220cbc1645d368721b380354688"> 60</a></span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> m[256]; </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> <a class="code" href="structmbedtls__arc4__context.html">mbedtls_arc4_context</a>;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="keywordtype">void</span> <a class="code" href="arc4_8h.html#a7795c92c7a8a4b9cf715da081665ccfd">mbedtls_arc4_init</a>( <a class="code" href="structmbedtls__arc4__context.html">mbedtls_arc4_context</a> *ctx );</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="keywordtype">void</span> <a class="code" href="arc4_8h.html#a888a4167caf8503e9e82a132c7b89313">mbedtls_arc4_free</a>( <a class="code" href="structmbedtls__arc4__context.html">mbedtls_arc4_context</a> *ctx );</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="keywordtype">void</span> <a class="code" href="arc4_8h.html#a6a689a989cb433e41181caef8d8bf4ba">mbedtls_arc4_setup</a>( <a class="code" href="structmbedtls__arc4__context.html">mbedtls_arc4_context</a> *ctx, <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *key,</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> keylen );</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="keywordtype">int</span> <a class="code" href="arc4_8h.html#a51d378246f0c277a68352cdac782e8fb">mbedtls_arc4_crypt</a>( <a class="code" href="structmbedtls__arc4__context.html">mbedtls_arc4_context</a> *ctx, <span class="keywordtype">size_t</span> length, <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *input,</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *output );</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> }</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="preprocessor">#else </span><span class="comment">/* MBEDTLS_ARC4_ALT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="preprocessor">#include "arc4_alt.h"</span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="preprocessor">#endif </span><span class="comment">/* MBEDTLS_ARC4_ALT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="keywordtype">int</span> <a class="code" href="arc4_8h.html#aba830fee9057fa1c63dcc38c7caf7730">mbedtls_arc4_self_test</a>( <span class="keywordtype">int</span> verbose );</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> }</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="preprocessor">#endif </span><span class="comment">/* arc4.h */</span><span class="preprocessor"></span></div><div class="ttc" id="arc4_8h_html_a51d378246f0c277a68352cdac782e8fb"><div class="ttname"><a href="arc4_8h.html#a51d378246f0c277a68352cdac782e8fb">mbedtls_arc4_crypt</a></div><div class="ttdeci">int mbedtls_arc4_crypt(mbedtls_arc4_context *ctx, size_t length, const unsigned char *input, unsigned char *output)</div><div class="ttdoc">ARC4 cipher function. </div></div> <div class="ttc" id="config_8h_html"><div class="ttname"><a href="config_8h.html">config.h</a></div><div class="ttdoc">Configuration options (set of defines) </div></div> <div class="ttc" id="arc4_8h_html_a7795c92c7a8a4b9cf715da081665ccfd"><div class="ttname"><a href="arc4_8h.html#a7795c92c7a8a4b9cf715da081665ccfd">mbedtls_arc4_init</a></div><div class="ttdeci">void mbedtls_arc4_init(mbedtls_arc4_context *ctx)</div><div class="ttdoc">Initialize ARC4 context. </div></div> <div class="ttc" id="structmbedtls__arc4__context_html_a35ada04bd0e0ebb3c91fe0a7be91d62c"><div class="ttname"><a href="structmbedtls__arc4__context.html#a35ada04bd0e0ebb3c91fe0a7be91d62c">mbedtls_arc4_context::x</a></div><div class="ttdeci">int x</div><div class="ttdef"><b>Definition:</b> <a href="arc4_8h_source.html#l00058">arc4.h:58</a></div></div> <div class="ttc" id="structmbedtls__arc4__context_html"><div class="ttname"><a href="structmbedtls__arc4__context.html">mbedtls_arc4_context</a></div><div class="ttdoc">ARC4 context structure. </div><div class="ttdef"><b>Definition:</b> <a href="arc4_8h_source.html#l00056">arc4.h:56</a></div></div> <div class="ttc" id="arc4_8h_html_a888a4167caf8503e9e82a132c7b89313"><div class="ttname"><a href="arc4_8h.html#a888a4167caf8503e9e82a132c7b89313">mbedtls_arc4_free</a></div><div class="ttdeci">void mbedtls_arc4_free(mbedtls_arc4_context *ctx)</div><div class="ttdoc">Clear ARC4 context. </div></div> <div class="ttc" id="arc4_8h_html_a6a689a989cb433e41181caef8d8bf4ba"><div class="ttname"><a href="arc4_8h.html#a6a689a989cb433e41181caef8d8bf4ba">mbedtls_arc4_setup</a></div><div class="ttdeci">void mbedtls_arc4_setup(mbedtls_arc4_context *ctx, const unsigned char *key, unsigned int keylen)</div><div class="ttdoc">ARC4 key schedule. </div></div> <div class="ttc" id="arc4_8h_html_aba830fee9057fa1c63dcc38c7caf7730"><div class="ttname"><a href="arc4_8h.html#aba830fee9057fa1c63dcc38c7caf7730">mbedtls_arc4_self_test</a></div><div class="ttdeci">int mbedtls_arc4_self_test(int verbose)</div><div class="ttdoc">Checkup routine. </div></div> <div class="ttc" id="structmbedtls__arc4__context_html_a53d6a6d70c2b3ef5cd4467ae32e21429"><div class="ttname"><a href="structmbedtls__arc4__context.html#a53d6a6d70c2b3ef5cd4467ae32e21429">mbedtls_arc4_context::y</a></div><div class="ttdeci">int y</div><div class="ttdef"><b>Definition:</b> <a href="arc4_8h_source.html#l00059">arc4.h:59</a></div></div> </div><!-- fragment --></div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated on Fri Oct 12 2018 20:26:59 for mbed TLS v2.7.6 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>