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<div class="title">AES.h</div> </div>
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<div class="contents">
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (C) 2015 Southern Storm Software, Pty Ltd.</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * copy of this software and associated documentation files (the "Software"),</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * to deal in the Software without restriction, including without limitation</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * the rights to use, copy, modify, merge, publish, distribute, sublicense,</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * and/or sell copies of the Software, and to permit persons to whom the</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * Software is furnished to do so, subject to the following conditions:</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * The above copyright notice and this permission notice shall be included</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * in all copies or substantial portions of the Software.</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * DEALINGS IN THE SOFTWARE.</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#ifndef CRYPTO_AES_h</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span><span class="preprocessor">#define CRYPTO_AES_h</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "BlockCipher.h"</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div>
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<div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="classAESCommon.html"> 28</a></span> <span class="keyword">class </span><a class="code" href="classAESCommon.html">AESCommon</a> : <span class="keyword">public</span> <a class="code" href="classBlockCipher.html">BlockCipher</a></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> {</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keyword">virtual</span> <a class="code" href="classAESCommon.html#a8f67970c86c23affb0297fc1bb10fad8">~AESCommon</a>();</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keywordtype">size_t</span> <a class="code" href="classAESCommon.html#ae26afdcc6d18e8888974acae16df1413">blockSize</a>() <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordtype">void</span> <a class="code" href="classAESCommon.html#a2d95f6159abfcd92b5841f9018e44296">encryptBlock</a>(uint8_t *output, <span class="keyword">const</span> uint8_t *input);</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordtype">void</span> <a class="code" href="classAESCommon.html#a95a806adf42f975765ff62907efdc639">decryptBlock</a>(uint8_t *output, <span class="keyword">const</span> uint8_t *input);</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordtype">void</span> <a class="code" href="classAESCommon.html#a83e43f7d07e31d90fd7b768a93ecfce6">clear</a>();</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">protected</span>:</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <a class="code" href="classAESCommon.html#acf224a392659429bac80dc68c7471b21">AESCommon</a>();</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  uint8_t rounds;</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  uint8_t *schedule;</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordtype">void</span> keyScheduleCore(uint8_t *output, <span class="keyword">const</span> uint8_t *input, uint8_t iteration);</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordtype">void</span> applySbox(uint8_t *output, <span class="keyword">const</span> uint8_t *input);</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> };</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div>
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<div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="classAES128.html"> 52</a></span> <span class="keyword">class </span><a class="code" href="classAES128.html">AES128</a> : <span class="keyword">public</span> <a class="code" href="classAESCommon.html">AESCommon</a></div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> {</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="classAES128.html#af826ce33301767919bb60f27ad3ff693">AES128</a>();</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keyword">virtual</span> ~<a class="code" href="classAES128.html">AES128</a>();</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordtype">size_t</span> <a class="code" href="classAES128.html#aa871832a156f0ea61b964e489670ae9d">keySize</a>() <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordtype">bool</span> <a class="code" href="classAES128.html#a42d7548eb5084a2c3e2d5aa5f6f98ba4">setKey</a>(<span class="keyword">const</span> uint8_t *key, <span class="keywordtype">size_t</span> len);</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  uint8_t sched[176];</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> };</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div>
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<div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="classAES192.html"> 66</a></span> <span class="keyword">class </span><a class="code" href="classAES192.html">AES192</a> : <span class="keyword">public</span> <a class="code" href="classAESCommon.html">AESCommon</a></div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> {</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <a class="code" href="classAES192.html#a6f8e457cfffdc12f7dd829e3ac4585ce">AES192</a>();</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keyword">virtual</span> ~<a class="code" href="classAES192.html">AES192</a>();</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordtype">size_t</span> <a class="code" href="classAES192.html#ade28843e51e262b30eb55791c83fd791">keySize</a>() <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordtype">bool</span> <a class="code" href="classAES192.html#a4ab37cff19fb05ceef1533ebc5e37cde">setKey</a>(<span class="keyword">const</span> uint8_t *key, <span class="keywordtype">size_t</span> len);</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  uint8_t sched[208];</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> };</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div>
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<div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="classAES256.html"> 80</a></span> <span class="keyword">class </span><a class="code" href="classAES256.html">AES256</a> : <span class="keyword">public</span> <a class="code" href="classAESCommon.html">AESCommon</a></div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> {</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <a class="code" href="classAES256.html#a3b2cbe56f03a87ec4260be4f8914fb02">AES256</a>();</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keyword">virtual</span> ~<a class="code" href="classAES256.html">AES256</a>();</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordtype">size_t</span> <a class="code" href="classAES256.html#af8ed6412bae6fc78274f60344899366a">keySize</a>() <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordtype">bool</span> <a class="code" href="classAES256.html#a6af085d2d6a730ff1e025f982121bbda">setKey</a>(<span class="keyword">const</span> uint8_t *key, <span class="keywordtype">size_t</span> len);</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  uint8_t sched[240];</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> };</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="preprocessor">#endif</span></div>
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<div class="ttc" id="classAESCommon_html_a95a806adf42f975765ff62907efdc639"><div class="ttname"><a href="classAESCommon.html#a95a806adf42f975765ff62907efdc639">AESCommon::decryptBlock</a></div><div class="ttdeci">void decryptBlock(uint8_t *output, const uint8_t *input)</div><div class="ttdoc">Decrypts a single block using this cipher. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00295">AESCommon.cpp:295</a></div></div>
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<div class="ttc" id="classAES256_html"><div class="ttname"><a href="classAES256.html">AES256</a></div><div class="ttdoc">AES block cipher with 256-bit keys. </div><div class="ttdef"><b>Definition:</b> <a href="AES_8h_source.html#l00080">AES.h:80</a></div></div>
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<div class="ttc" id="classBlockCipher_html"><div class="ttname"><a href="classBlockCipher.html">BlockCipher</a></div><div class="ttdoc">Abstract base class for block ciphers. </div><div class="ttdef"><b>Definition:</b> <a href="BlockCipher_8h_source.html#l00029">BlockCipher.h:29</a></div></div>
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<div class="ttc" id="classAESCommon_html_acf224a392659429bac80dc68c7471b21"><div class="ttname"><a href="classAESCommon.html#acf224a392659429bac80dc68c7471b21">AESCommon::AESCommon</a></div><div class="ttdeci">AESCommon()</div><div class="ttdoc">Constructs an AES block cipher object. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00125">AESCommon.cpp:125</a></div></div>
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<div class="ttc" id="classAES128_html_aa871832a156f0ea61b964e489670ae9d"><div class="ttname"><a href="classAES128.html#aa871832a156f0ea61b964e489670ae9d">AES128::keySize</a></div><div class="ttdeci">size_t keySize() const </div><div class="ttdoc">Size of a 128-bit AES key in bytes. </div><div class="ttdef"><b>Definition:</b> <a href="AES128_8cpp_source.html#l00055">AES128.cpp:55</a></div></div>
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<div class="ttc" id="classAES192_html_a4ab37cff19fb05ceef1533ebc5e37cde"><div class="ttname"><a href="classAES192.html#a4ab37cff19fb05ceef1533ebc5e37cde">AES192::setKey</a></div><div class="ttdeci">bool setKey(const uint8_t *key, size_t len)</div><div class="ttdoc">Sets the key to use for future encryption and decryption operations. </div><div class="ttdef"><b>Definition:</b> <a href="AES192_8cpp_source.html#l00060">AES192.cpp:60</a></div></div>
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<div class="ttc" id="classAESCommon_html_ae26afdcc6d18e8888974acae16df1413"><div class="ttname"><a href="classAESCommon.html#ae26afdcc6d18e8888974acae16df1413">AESCommon::blockSize</a></div><div class="ttdeci">size_t blockSize() const </div><div class="ttdoc">Size of an AES block in bytes. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00142">AESCommon.cpp:142</a></div></div>
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<div class="ttc" id="classAESCommon_html_a8f67970c86c23affb0297fc1bb10fad8"><div class="ttname"><a href="classAESCommon.html#a8f67970c86c23affb0297fc1bb10fad8">AESCommon::~AESCommon</a></div><div class="ttdeci">virtual ~AESCommon()</div><div class="ttdoc">Destroys this AES block cipher object after clearing sensitive information. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00134">AESCommon.cpp:134</a></div></div>
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<div class="ttc" id="classAESCommon_html_a83e43f7d07e31d90fd7b768a93ecfce6"><div class="ttname"><a href="classAESCommon.html#a83e43f7d07e31d90fd7b768a93ecfce6">AESCommon::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears all security-sensitive state from this block cipher. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00326">AESCommon.cpp:326</a></div></div>
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<div class="ttc" id="classAES128_html_a42d7548eb5084a2c3e2d5aa5f6f98ba4"><div class="ttname"><a href="classAES128.html#a42d7548eb5084a2c3e2d5aa5f6f98ba4">AES128::setKey</a></div><div class="ttdeci">bool setKey(const uint8_t *key, size_t len)</div><div class="ttdoc">Sets the key to use for future encryption and decryption operations. </div><div class="ttdef"><b>Definition:</b> <a href="AES128_8cpp_source.html#l00060">AES128.cpp:60</a></div></div>
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<div class="ttc" id="classAES192_html_ade28843e51e262b30eb55791c83fd791"><div class="ttname"><a href="classAES192.html#ade28843e51e262b30eb55791c83fd791">AES192::keySize</a></div><div class="ttdeci">size_t keySize() const </div><div class="ttdoc">Size of a 192-bit AES key in bytes. </div><div class="ttdef"><b>Definition:</b> <a href="AES192_8cpp_source.html#l00055">AES192.cpp:55</a></div></div>
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<div class="ttc" id="classAESCommon_html_a2d95f6159abfcd92b5841f9018e44296"><div class="ttname"><a href="classAESCommon.html#a2d95f6159abfcd92b5841f9018e44296">AESCommon::encryptBlock</a></div><div class="ttdeci">void encryptBlock(uint8_t *output, const uint8_t *input)</div><div class="ttdoc">Encrypts a single block using this cipher. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00264">AESCommon.cpp:264</a></div></div>
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<div class="ttc" id="classAES256_html_a3b2cbe56f03a87ec4260be4f8914fb02"><div class="ttname"><a href="classAES256.html#a3b2cbe56f03a87ec4260be4f8914fb02">AES256::AES256</a></div><div class="ttdeci">AES256()</div><div class="ttdoc">Constructs an AES 256-bit block cipher with no initial key. </div><div class="ttdef"><b>Definition:</b> <a href="AES256_8cpp_source.html#l00040">AES256.cpp:40</a></div></div>
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<div class="ttc" id="classAESCommon_html"><div class="ttname"><a href="classAESCommon.html">AESCommon</a></div><div class="ttdoc">Abstract base class for AES block ciphers. </div><div class="ttdef"><b>Definition:</b> <a href="AES_8h_source.html#l00028">AES.h:28</a></div></div>
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<div class="ttc" id="classAES256_html_a6af085d2d6a730ff1e025f982121bbda"><div class="ttname"><a href="classAES256.html#a6af085d2d6a730ff1e025f982121bbda">AES256::setKey</a></div><div class="ttdeci">bool setKey(const uint8_t *key, size_t len)</div><div class="ttdoc">Sets the key to use for future encryption and decryption operations. </div><div class="ttdef"><b>Definition:</b> <a href="AES256_8cpp_source.html#l00060">AES256.cpp:60</a></div></div>
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<div class="ttc" id="classAES128_html"><div class="ttname"><a href="classAES128.html">AES128</a></div><div class="ttdoc">AES block cipher with 128-bit keys. </div><div class="ttdef"><b>Definition:</b> <a href="AES_8h_source.html#l00052">AES.h:52</a></div></div>
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<div class="ttc" id="classAES256_html_af8ed6412bae6fc78274f60344899366a"><div class="ttname"><a href="classAES256.html#af8ed6412bae6fc78274f60344899366a">AES256::keySize</a></div><div class="ttdeci">size_t keySize() const </div><div class="ttdoc">Size of a 256-bit AES key in bytes. </div><div class="ttdef"><b>Definition:</b> <a href="AES256_8cpp_source.html#l00055">AES256.cpp:55</a></div></div>
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<div class="ttc" id="classAES128_html_af826ce33301767919bb60f27ad3ff693"><div class="ttname"><a href="classAES128.html#af826ce33301767919bb60f27ad3ff693">AES128::AES128</a></div><div class="ttdeci">AES128()</div><div class="ttdoc">Constructs an AES 128-bit block cipher with no initial key. </div><div class="ttdef"><b>Definition:</b> <a href="AES128_8cpp_source.html#l00040">AES128.cpp:40</a></div></div>
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<div class="ttc" id="classAES192_html"><div class="ttname"><a href="classAES192.html">AES192</a></div><div class="ttdoc">AES block cipher with 192-bit keys. </div><div class="ttdef"><b>Definition:</b> <a href="AES_8h_source.html#l00066">AES.h:66</a></div></div>
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<div class="ttc" id="classAES192_html_a6f8e457cfffdc12f7dd829e3ac4585ce"><div class="ttname"><a href="classAES192.html#a6f8e457cfffdc12f7dd829e3ac4585ce">AES192::AES192</a></div><div class="ttdeci">AES192()</div><div class="ttdoc">Constructs an AES 192-bit block cipher with no initial key. </div><div class="ttdef"><b>Definition:</b> <a href="AES192_8cpp_source.html#l00040">AES192.cpp:40</a></div></div>
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