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<a href="xtea_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="l00006"></a><span class="lineno"> 6</span> <span class="comment">/*</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * SPDX-License-Identifier: Apache-2.0</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"> * Licensed under the Apache License, Version 2.0 (the "License"); you may</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * not use this file except in compliance with the License.</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * You may obtain a copy of the License at</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> *</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * http://www.apache.org/licenses/LICENSE-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"> * Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * limitations under the License.</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"> * This file is part of mbed TLS (https://tls.mbed.org)</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="preprocessor">#ifndef MBEDTLS_XTEA_H</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#define MBEDTLS_XTEA_H</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#if !defined(MBEDTLS_CONFIG_FILE)</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "<a class="code" href="config_8h.html">config.h</a>"</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include MBEDTLS_CONFIG_FILE</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#endif</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">#include <stddef.h></span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <stdint.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"><a class="line" href="xtea_8h.html#a52a8e7d7e042c6d11541312838130069"> 36</a></span> <span class="preprocessor">#define MBEDTLS_XTEA_ENCRYPT 1</span></div><div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="xtea_8h.html#af5ddb7bfc34c65a4b48926f087ab5c26"> 37</a></span> <span class="preprocessor">#define MBEDTLS_XTEA_DECRYPT 0</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="xtea_8h.html#addf91fc82370cb27115b725ceb261b3d"> 39</a></span> <span class="preprocessor">#define MBEDTLS_ERR_XTEA_INVALID_INPUT_LENGTH -0x0028 </span></div><div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="xtea_8h.html#a5e7745d85886bc0564338f562f83c059"> 40</a></span> <span class="preprocessor">#define MBEDTLS_ERR_XTEA_HW_ACCEL_FAILED -0x0029 </span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#if !defined(MBEDTLS_XTEA_ALT)</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment">// Regular implementation</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> </div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div><div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="structmbedtls__xtea__context.html"> 53</a></span> <span class="keyword">typedef</span> <span class="keyword">struct</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="structmbedtls__xtea__context.html#a3deb125da7fe64c36a22030bf19af98f"> 55</a></span>  uint32_t k[4]; </div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> }</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <a class="code" href="structmbedtls__xtea__context.html">mbedtls_xtea_context</a>;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="keywordtype">void</span> <a class="code" href="xtea_8h.html#ade30d4f60411e181757ffab0da902e75">mbedtls_xtea_init</a>( <a class="code" href="structmbedtls__xtea__context.html">mbedtls_xtea_context</a> *ctx );</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="keywordtype">void</span> <a class="code" href="xtea_8h.html#a55eea1f415f3ed5dbf488fa0d9fb5cab">mbedtls_xtea_free</a>( <a class="code" href="structmbedtls__xtea__context.html">mbedtls_xtea_context</a> *ctx );</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="keywordtype">void</span> <a class="code" href="xtea_8h.html#a3de8a424080f233f2a71c76b93bab130">mbedtls_xtea_setup</a>( <a class="code" href="structmbedtls__xtea__context.html">mbedtls_xtea_context</a> *ctx, <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> key[16] );</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="keywordtype">int</span> <a class="code" href="xtea_8h.html#a73a0ce1ac62aa079107736ef2aa4b21d">mbedtls_xtea_crypt_ecb</a>( <a class="code" href="structmbedtls__xtea__context.html">mbedtls_xtea_context</a> *ctx,</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordtype">int</span> mode,</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> input[8],</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> output[8] );</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_CIPHER_MODE_CBC)</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="keywordtype">int</span> <a class="code" href="xtea_8h.html#ad0458b0fba8f223b9343e06e714f50e9">mbedtls_xtea_crypt_cbc</a>( <a class="code" href="structmbedtls__xtea__context.html">mbedtls_xtea_context</a> *ctx,</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordtype">int</span> mode,</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordtype">size_t</span> length,</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> iv[8],</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *input,</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *output);</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="preprocessor">#endif </span><span class="comment">/* MBEDTLS_CIPHER_MODE_CBC */</span><span class="preprocessor"></span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> }</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="preprocessor">#else </span><span class="comment">/* MBEDTLS_XTEA_ALT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="preprocessor">#include "xtea_alt.h"</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="preprocessor">#endif </span><span class="comment">/* MBEDTLS_XTEA_ALT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="keywordtype">int</span> <a class="code" href="xtea_8h.html#ac9684542d55cc9d81ea8260f70a4a239">mbedtls_xtea_self_test</a>( <span class="keywordtype">int</span> verbose );</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> }</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="preprocessor">#endif </span><span class="comment">/* xtea.h */</span><span class="preprocessor"></span></div><div class="ttc" id="xtea_8h_html_a73a0ce1ac62aa079107736ef2aa4b21d"><div class="ttname"><a href="xtea_8h.html#a73a0ce1ac62aa079107736ef2aa4b21d">mbedtls_xtea_crypt_ecb</a></div><div class="ttdeci">int mbedtls_xtea_crypt_ecb(mbedtls_xtea_context *ctx, int mode, const unsigned char input[8], unsigned char output[8])</div><div class="ttdoc">XTEA cipher function. </div></div>
<div class="ttc" id="xtea_8h_html_ad0458b0fba8f223b9343e06e714f50e9"><div class="ttname"><a href="xtea_8h.html#ad0458b0fba8f223b9343e06e714f50e9">mbedtls_xtea_crypt_cbc</a></div><div class="ttdeci">int mbedtls_xtea_crypt_cbc(mbedtls_xtea_context *ctx, int mode, size_t length, unsigned char iv[8], const unsigned char *input, unsigned char *output)</div><div class="ttdoc">XTEA CBC cipher function. </div></div>
<div class="ttc" id="xtea_8h_html_a55eea1f415f3ed5dbf488fa0d9fb5cab"><div class="ttname"><a href="xtea_8h.html#a55eea1f415f3ed5dbf488fa0d9fb5cab">mbedtls_xtea_free</a></div><div class="ttdeci">void mbedtls_xtea_free(mbedtls_xtea_context *ctx)</div><div class="ttdoc">Clear XTEA context. </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="xtea_8h_html_ade30d4f60411e181757ffab0da902e75"><div class="ttname"><a href="xtea_8h.html#ade30d4f60411e181757ffab0da902e75">mbedtls_xtea_init</a></div><div class="ttdeci">void mbedtls_xtea_init(mbedtls_xtea_context *ctx)</div><div class="ttdoc">Initialize XTEA context. </div></div>
<div class="ttc" id="xtea_8h_html_a3de8a424080f233f2a71c76b93bab130"><div class="ttname"><a href="xtea_8h.html#a3de8a424080f233f2a71c76b93bab130">mbedtls_xtea_setup</a></div><div class="ttdeci">void mbedtls_xtea_setup(mbedtls_xtea_context *ctx, const unsigned char key[16])</div><div class="ttdoc">XTEA key schedule. </div></div>
<div class="ttc" id="xtea_8h_html_ac9684542d55cc9d81ea8260f70a4a239"><div class="ttname"><a href="xtea_8h.html#ac9684542d55cc9d81ea8260f70a4a239">mbedtls_xtea_self_test</a></div><div class="ttdeci">int mbedtls_xtea_self_test(int verbose)</div><div class="ttdoc">Checkup routine. </div></div>
<div class="ttc" id="structmbedtls__xtea__context_html"><div class="ttname"><a href="structmbedtls__xtea__context.html">mbedtls_xtea_context</a></div><div class="ttdoc">XTEA context structure. </div><div class="ttdef"><b>Definition:</b> <a href="xtea_8h_source.html#l00053">xtea.h:53</a></div></div>
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