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<div id="projectname">libaaruformat<span id="projectnumber">&#160;1.0</span>
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<div id="projectbrief">Aaru Data Preservation Suite - Format Library</div>
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<a href="aes128_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/*</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> * This file is part of the Aaru Data Preservation Suite.</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> * Copyright (c) 2019-2026 Natalia Portillo.</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> *</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> * This library is free software; you can redistribute it and/or modify</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> * it under the terms of the GNU Lesser General Public License as</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> * published by the Free Software Foundation; version 2.1 of the License.</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> *</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment"> * This library is distributed in the hope that it will be useful, but</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment"> * Lesser General Public License for more details.</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment"> *</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment"> * You should have received a copy of the GNU Lesser General Public</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="comment"> * License along with this library; if not, see</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="comment"> * &lt;https://www.gnu.org/licenses/&gt;.</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="comment"> *</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="comment"> * AES-128 CBC encrypt/decrypt implementation.</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="comment"> * Derived from public domain tiny-AES-c by kokke.</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="comment"> */</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> </div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include &lt;stdint.h&gt;</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include &lt;string.h&gt;</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include &quot;<a class="code" href="aes128_8h.html">aes128.h</a>&quot;</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> </div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"><a class="line" href="aes128_8c.html#af19ab913a847ad1e91c5291215116de1"> 27</a></span><span class="preprocessor">#define AES_BLOCK_SIZE 16</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"><a class="line" href="aes128_8c.html#a00dbdeb2d4320b60f33b916176932d60"> 28</a></span><span class="preprocessor">#define AES_KEY_SIZE 16</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"><a class="line" href="aes128_8c.html#a86df36e7b5d2343e1ecf6a56585b30f7"> 29</a></span><span class="preprocessor">#define AES_NUM_ROUNDS 10</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"><a class="line" href="aes128_8c.html#a089ff1ad87c1dc8583da9cfdf02d011e"> 30</a></span><span class="preprocessor">#define AES_KEY_EXP_SIZE 176 </span><span class="comment">/* 16 * (10 + 1) */</span><span class="preprocessor"></span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> </div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="comment">/* S-box */</span></div>
<div class="foldopen" id="foldopen00033" data-start="{" data-end="};">
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"><a class="line" href="aes128_8c.html#adc15aeb43c81de1162045eedf437f407"> 33</a></span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t <a class="code hl_variable" href="aes128_8c.html#adc15aeb43c81de1162045eedf437f407">sbox</a>[256] = {</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76, 0xca, 0x82, 0xc9,</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f,</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07,</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75, 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3,</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> 0x29, 0xe3, 0x2f, 0x84, 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58,</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> 0xcf, 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8, 0x51, 0xa3,</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, 0xcd, 0x0c, 0x13, 0xec, 0x5f,</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88,</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb, 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac,</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> 0x62, 0x91, 0x95, 0xe4, 0x79, 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a,</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> 0xae, 0x08, 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a, 0x70,</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, 0xe1, 0xf8, 0x98, 0x11,</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42,</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16};</div>
</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> </div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span><span class="comment">/* Inverse S-box */</span></div>
<div class="foldopen" id="foldopen00050" data-start="{" data-end="};">
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"><a class="line" href="aes128_8c.html#a5fb4523234538d83676ef33a45b18fd1"> 50</a></span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t <a class="code hl_variable" href="aes128_8c.html#a5fb4523234538d83676ef33a45b18fd1">rsbox</a>[256] = {</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb, 0x7c, 0xe3, 0x39,</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> 0x82, 0x9b, 0x2f, 0xff, 0x87, 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb, 0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2,</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e, 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76,</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25, 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xd4, 0xa4, 0x5c, 0xcc,</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> 0x5d, 0x65, 0xb6, 0x92, 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d,</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> 0x84, 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06, 0xd0, 0x2c,</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b, 0x3a, 0x91, 0x11, 0x41, 0x4f,</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73, 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85,</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e, 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, 0x6f, 0xb7, 0x62,</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> 0x0e, 0xaa, 0x18, 0xbe, 0x1b, 0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd,</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> 0x5a, 0xf4, 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f, 0x60,</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef, 0xa0, 0xe0, 0x3b, 0x4d,</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61, 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6,</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> 0x26, 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d};</div>
</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> </div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span><span class="comment">/* Round constant */</span></div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"><a class="line" href="aes128_8c.html#add2b5f5401bbc561b20744b04a14862d"> 67</a></span><span class="keyword">static</span> <span class="keyword">const</span> uint8_t <a class="code hl_variable" href="aes128_8c.html#add2b5f5401bbc561b20744b04a14862d">rcon</a>[11] = {0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36};</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> </div>
<div class="foldopen" id="foldopen00069" data-start="{" data-end="};">
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"><a class="line" href="structaes128__ctx.html"> 69</a></span><span class="keyword">typedef</span> <span class="keyword">struct</span></div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span>{</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"><a class="line" href="structaes128__ctx.html#a7fac3e15d563fc3c9162b5845950a15a"> 71</a></span> uint8_t <a class="code hl_variable" href="structaes128__ctx.html#a7fac3e15d563fc3c9162b5845950a15a">round_key</a>[<a class="code hl_define" href="aes128_8c.html#a089ff1ad87c1dc8583da9cfdf02d011e">AES_KEY_EXP_SIZE</a>];</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span>} <a class="code hl_struct" href="structaes128__ctx.html">aes128_ctx</a>;</div>
</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> </div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"><a class="line" href="aes128_8c.html#a6a04d27e5fba818ef334a77ef130f1b8"> 74</a></span><span class="keyword">static</span> uint8_t <a class="code hl_function" href="aes128_8c.html#a6a04d27e5fba818ef334a77ef130f1b8">xtime</a>(uint8_t x) { <span class="keywordflow">return</span> (uint8_t)((x &lt;&lt; 1) ^ (((x &gt;&gt; 7) &amp; 1) * 0x1b)); }</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> </div>
<div class="foldopen" id="foldopen00076" data-start="{" data-end="}">
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"><a class="line" href="aes128_8c.html#a4e3c7a1f94f266e41821589537d814af"> 76</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="aes128_8c.html#a4e3c7a1f94f266e41821589537d814af">key_expansion</a>(<a class="code hl_struct" href="structaes128__ctx.html">aes128_ctx</a> *ctx, <span class="keyword">const</span> uint8_t key[16])</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span>{</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> uint8_t tempa[4];</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> </div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> memcpy(ctx-&gt;<a class="code hl_variable" href="structaes128__ctx.html#a7fac3e15d563fc3c9162b5845950a15a">round_key</a>, key, <a class="code hl_define" href="aes128_8c.html#a00dbdeb2d4320b60f33b916176932d60">AES_KEY_SIZE</a>);</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> </div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 4; i &lt; 4 * (<a class="code hl_define" href="aes128_8c.html#a86df36e7b5d2343e1ecf6a56585b30f7">AES_NUM_ROUNDS</a> + 1); i++)</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> {</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keywordtype">int</span> k = (i - 1) * 4;</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> </div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> tempa[0] = ctx-&gt;<a class="code hl_variable" href="structaes128__ctx.html#a7fac3e15d563fc3c9162b5845950a15a">round_key</a>[k + 0];</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> tempa[1] = ctx-&gt;<a class="code hl_variable" href="structaes128__ctx.html#a7fac3e15d563fc3c9162b5845950a15a">round_key</a>[k + 1];</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> tempa[2] = ctx-&gt;<a class="code hl_variable" href="structaes128__ctx.html#a7fac3e15d563fc3c9162b5845950a15a">round_key</a>[k + 2];</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> tempa[3] = ctx-&gt;<a class="code hl_variable" href="structaes128__ctx.html#a7fac3e15d563fc3c9162b5845950a15a">round_key</a>[k + 3];</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> </div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="keywordflow">if</span>(i % 4 == 0)</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> {</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="comment">/* RotWord */</span></div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> uint8_t u8tmp = tempa[0];</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> tempa[0] = tempa[1];</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> tempa[1] = tempa[2];</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> tempa[2] = tempa[3];</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> tempa[3] = u8tmp;</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> </div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="comment">/* SubWord */</span></div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> tempa[0] = <a class="code hl_variable" href="aes128_8c.html#adc15aeb43c81de1162045eedf437f407">sbox</a>[tempa[0]];</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> tempa[1] = <a class="code hl_variable" href="aes128_8c.html#adc15aeb43c81de1162045eedf437f407">sbox</a>[tempa[1]];</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> tempa[2] = <a class="code hl_variable" href="aes128_8c.html#adc15aeb43c81de1162045eedf437f407">sbox</a>[tempa[2]];</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> tempa[3] = <a class="code hl_variable" href="aes128_8c.html#adc15aeb43c81de1162045eedf437f407">sbox</a>[tempa[3]];</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> </div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> tempa[0] ^= <a class="code hl_variable" href="aes128_8c.html#add2b5f5401bbc561b20744b04a14862d">rcon</a>[i / 4];</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> }</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> </div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="keywordtype">int</span> j = i * 4;</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <span class="keywordtype">int</span> m = (i - 4) * 4;</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> ctx-&gt;<a class="code hl_variable" href="structaes128__ctx.html#a7fac3e15d563fc3c9162b5845950a15a">round_key</a>[j + 0] = ctx-&gt;<a class="code hl_variable" href="structaes128__ctx.html#a7fac3e15d563fc3c9162b5845950a15a">round_key</a>[m + 0] ^ tempa[0];</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> ctx-&gt;<a class="code hl_variable" href="structaes128__ctx.html#a7fac3e15d563fc3c9162b5845950a15a">round_key</a>[j + 1] = ctx-&gt;<a class="code hl_variable" href="structaes128__ctx.html#a7fac3e15d563fc3c9162b5845950a15a">round_key</a>[m + 1] ^ tempa[1];</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> ctx-&gt;<a class="code hl_variable" href="structaes128__ctx.html#a7fac3e15d563fc3c9162b5845950a15a">round_key</a>[j + 2] = ctx-&gt;<a class="code hl_variable" href="structaes128__ctx.html#a7fac3e15d563fc3c9162b5845950a15a">round_key</a>[m + 2] ^ tempa[2];</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> ctx-&gt;<a class="code hl_variable" href="structaes128__ctx.html#a7fac3e15d563fc3c9162b5845950a15a">round_key</a>[j + 3] = ctx-&gt;<a class="code hl_variable" href="structaes128__ctx.html#a7fac3e15d563fc3c9162b5845950a15a">round_key</a>[m + 3] ^ tempa[3];</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> }</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span>}</div>
</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> </div>
<div class="foldopen" id="foldopen00118" data-start="{" data-end="}">
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"><a class="line" href="aes128_8c.html#aef409ec13ca9df085cef611f917cab54"> 118</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="aes128_8c.html#aef409ec13ca9df085cef611f917cab54">add_round_key</a>(uint8_t round, uint8_t state[4][4], <span class="keyword">const</span> uint8_t *round_key)</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span>{</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt; 4; i++)</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="keywordflow">for</span>(<span class="keywordtype">int</span> j = 0; j &lt; 4; j++) state[i][j] ^= round_key[(round * 16) + (i * 4) + j];</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span>}</div>
</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> </div>
<div class="foldopen" id="foldopen00124" data-start="{" data-end="}">
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"><a class="line" href="aes128_8c.html#a97496be14ca25015cc2a21834fe56a22"> 124</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="aes128_8c.html#a97496be14ca25015cc2a21834fe56a22">sub_bytes</a>(uint8_t state[4][4])</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span>{</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt; 4; i++)</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <span class="keywordflow">for</span>(<span class="keywordtype">int</span> j = 0; j &lt; 4; j++) state[j][i] = <a class="code hl_variable" href="aes128_8c.html#adc15aeb43c81de1162045eedf437f407">sbox</a>[state[j][i]];</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span>}</div>
</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> </div>
<div class="foldopen" id="foldopen00130" data-start="{" data-end="}">
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"><a class="line" href="aes128_8c.html#aa90b3996efe9b0cdc73f9dfc4437db08"> 130</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="aes128_8c.html#aa90b3996efe9b0cdc73f9dfc4437db08">inv_sub_bytes</a>(uint8_t state[4][4])</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span>{</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt; 4; i++)</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="keywordflow">for</span>(<span class="keywordtype">int</span> j = 0; j &lt; 4; j++) state[j][i] = <a class="code hl_variable" href="aes128_8c.html#a5fb4523234538d83676ef33a45b18fd1">rsbox</a>[state[j][i]];</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span>}</div>
</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> </div>
<div class="foldopen" id="foldopen00136" data-start="{" data-end="}">
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"><a class="line" href="aes128_8c.html#a15a36f069a888bd10906ebbe01aab806"> 136</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="aes128_8c.html#a15a36f069a888bd10906ebbe01aab806">shift_rows</a>(uint8_t state[4][4])</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span>{</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> uint8_t temp;</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> </div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="comment">/* Row 1: shift left by 1 */</span></div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> temp = state[0][1];</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> state[0][1] = state[1][1];</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> state[1][1] = state[2][1];</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> state[2][1] = state[3][1];</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> state[3][1] = temp;</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> </div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="comment">/* Row 2: shift left by 2 */</span></div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> temp = state[0][2];</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> state[0][2] = state[2][2];</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> state[2][2] = temp;</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> temp = state[1][2];</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> state[1][2] = state[3][2];</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> state[3][2] = temp;</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> </div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="comment">/* Row 3: shift left by 3 */</span></div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> temp = state[0][3];</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> state[0][3] = state[3][3];</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> state[3][3] = state[2][3];</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> state[2][3] = state[1][3];</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> state[1][3] = temp;</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span>}</div>
</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> </div>
<div class="foldopen" id="foldopen00163" data-start="{" data-end="}">
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"><a class="line" href="aes128_8c.html#adb23ec4791c39415364c4ac358cda104"> 163</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="aes128_8c.html#adb23ec4791c39415364c4ac358cda104">inv_shift_rows</a>(uint8_t state[4][4])</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span>{</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> uint8_t temp;</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> </div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> <span class="comment">/* Row 1: shift right by 1 */</span></div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> temp = state[3][1];</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> state[3][1] = state[2][1];</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> state[2][1] = state[1][1];</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> state[1][1] = state[0][1];</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> state[0][1] = temp;</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> </div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> <span class="comment">/* Row 2: shift right by 2 */</span></div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> temp = state[0][2];</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> state[0][2] = state[2][2];</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> state[2][2] = temp;</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> temp = state[1][2];</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> state[1][2] = state[3][2];</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> state[3][2] = temp;</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> </div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> <span class="comment">/* Row 3: shift right by 3 */</span></div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> temp = state[0][3];</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> state[0][3] = state[1][3];</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> state[1][3] = state[2][3];</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> state[2][3] = state[3][3];</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> state[3][3] = temp;</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span>}</div>
</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> </div>
<div class="foldopen" id="foldopen00190" data-start="{" data-end="}">
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"><a class="line" href="aes128_8c.html#a057d2a148db6795301af13e9a70c3779"> 190</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="aes128_8c.html#a057d2a148db6795301af13e9a70c3779">mix_columns</a>(uint8_t state[4][4])</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span>{</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt; 4; i++)</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> {</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> uint8_t t = state[i][0];</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> uint8_t tmp = state[i][0] ^ state[i][1] ^ state[i][2] ^ state[i][3];</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> </div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> uint8_t tm = state[i][0] ^ state[i][1];</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> tm = <a class="code hl_function" href="aes128_8c.html#a6a04d27e5fba818ef334a77ef130f1b8">xtime</a>(tm);</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> state[i][0] ^= tm ^ tmp;</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> </div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> tm = state[i][1] ^ state[i][2];</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> tm = <a class="code hl_function" href="aes128_8c.html#a6a04d27e5fba818ef334a77ef130f1b8">xtime</a>(tm);</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> state[i][1] ^= tm ^ tmp;</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> </div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> tm = state[i][2] ^ state[i][3];</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> tm = <a class="code hl_function" href="aes128_8c.html#a6a04d27e5fba818ef334a77ef130f1b8">xtime</a>(tm);</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> state[i][2] ^= tm ^ tmp;</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> </div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> tm = state[i][3] ^ t;</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> tm = <a class="code hl_function" href="aes128_8c.html#a6a04d27e5fba818ef334a77ef130f1b8">xtime</a>(tm);</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> state[i][3] ^= tm ^ tmp;</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> }</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span>}</div>
</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> </div>
<div class="foldopen" id="foldopen00215" data-start="" data-end="">
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"><a class="line" href="aes128_8c.html#a07cae90d71c41fd293c90e966229da4c"> 215</a></span><span class="preprocessor">#define MULTIPLY(x, y) \</span></div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span><span class="preprocessor"> (((y &amp; 1) * x) ^ ((y &gt;&gt; 1 &amp; 1) * xtime(x)) ^ ((y &gt;&gt; 2 &amp; 1) * xtime(xtime(x))) ^ \</span></div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span><span class="preprocessor"> ((y &gt;&gt; 3 &amp; 1) * xtime(xtime(xtime(x)))) ^ ((y &gt;&gt; 4 &amp; 1) * xtime(xtime(xtime(xtime(x))))))</span></div>
</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> </div>
<div class="foldopen" id="foldopen00219" data-start="{" data-end="}">
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"><a class="line" href="aes128_8c.html#a6fe4aba262eac9f74ef0971115f6a2df"> 219</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="aes128_8c.html#a6fe4aba262eac9f74ef0971115f6a2df">inv_mix_columns</a>(uint8_t state[4][4])</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span>{</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt; 4; i++)</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> {</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> uint8_t a = state[i][0];</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> uint8_t b = state[i][1];</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> uint8_t c = state[i][2];</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> uint8_t d = state[i][3];</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> </div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> state[i][0] = <a class="code hl_define" href="aes128_8c.html#a07cae90d71c41fd293c90e966229da4c">MULTIPLY</a>(a, 14) ^ <a class="code hl_define" href="aes128_8c.html#a07cae90d71c41fd293c90e966229da4c">MULTIPLY</a>(b, 11) ^ <a class="code hl_define" href="aes128_8c.html#a07cae90d71c41fd293c90e966229da4c">MULTIPLY</a>(c, 13) ^ <a class="code hl_define" href="aes128_8c.html#a07cae90d71c41fd293c90e966229da4c">MULTIPLY</a>(d, 9);</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> state[i][1] = <a class="code hl_define" href="aes128_8c.html#a07cae90d71c41fd293c90e966229da4c">MULTIPLY</a>(a, 9) ^ <a class="code hl_define" href="aes128_8c.html#a07cae90d71c41fd293c90e966229da4c">MULTIPLY</a>(b, 14) ^ <a class="code hl_define" href="aes128_8c.html#a07cae90d71c41fd293c90e966229da4c">MULTIPLY</a>(c, 11) ^ <a class="code hl_define" href="aes128_8c.html#a07cae90d71c41fd293c90e966229da4c">MULTIPLY</a>(d, 13);</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> state[i][2] = <a class="code hl_define" href="aes128_8c.html#a07cae90d71c41fd293c90e966229da4c">MULTIPLY</a>(a, 13) ^ <a class="code hl_define" href="aes128_8c.html#a07cae90d71c41fd293c90e966229da4c">MULTIPLY</a>(b, 9) ^ <a class="code hl_define" href="aes128_8c.html#a07cae90d71c41fd293c90e966229da4c">MULTIPLY</a>(c, 14) ^ <a class="code hl_define" href="aes128_8c.html#a07cae90d71c41fd293c90e966229da4c">MULTIPLY</a>(d, 11);</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> state[i][3] = <a class="code hl_define" href="aes128_8c.html#a07cae90d71c41fd293c90e966229da4c">MULTIPLY</a>(a, 11) ^ <a class="code hl_define" href="aes128_8c.html#a07cae90d71c41fd293c90e966229da4c">MULTIPLY</a>(b, 13) ^ <a class="code hl_define" href="aes128_8c.html#a07cae90d71c41fd293c90e966229da4c">MULTIPLY</a>(c, 9) ^ <a class="code hl_define" href="aes128_8c.html#a07cae90d71c41fd293c90e966229da4c">MULTIPLY</a>(d, 14);</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> }</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span>}</div>
</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> </div>
<div class="foldopen" id="foldopen00235" data-start="{" data-end="}">
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"><a class="line" href="aes128_8c.html#ac1896bef55548b4713593561e704b7cc"> 235</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="aes128_8c.html#ac1896bef55548b4713593561e704b7cc">cipher</a>(uint8_t state[4][4], <span class="keyword">const</span> uint8_t *round_key)</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span>{</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> <a class="code hl_function" href="aes128_8c.html#aef409ec13ca9df085cef611f917cab54">add_round_key</a>(0, state, round_key);</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> </div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> <span class="keywordflow">for</span>(uint8_t round = 1; round &lt; <a class="code hl_define" href="aes128_8c.html#a86df36e7b5d2343e1ecf6a56585b30f7">AES_NUM_ROUNDS</a>; round++)</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> {</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> <a class="code hl_function" href="aes128_8c.html#a97496be14ca25015cc2a21834fe56a22">sub_bytes</a>(state);</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> <a class="code hl_function" href="aes128_8c.html#a15a36f069a888bd10906ebbe01aab806">shift_rows</a>(state);</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> <a class="code hl_function" href="aes128_8c.html#a057d2a148db6795301af13e9a70c3779">mix_columns</a>(state);</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> <a class="code hl_function" href="aes128_8c.html#aef409ec13ca9df085cef611f917cab54">add_round_key</a>(round, state, round_key);</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> }</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> </div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> <a class="code hl_function" href="aes128_8c.html#a97496be14ca25015cc2a21834fe56a22">sub_bytes</a>(state);</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> <a class="code hl_function" href="aes128_8c.html#a15a36f069a888bd10906ebbe01aab806">shift_rows</a>(state);</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> <a class="code hl_function" href="aes128_8c.html#aef409ec13ca9df085cef611f917cab54">add_round_key</a>(<a class="code hl_define" href="aes128_8c.html#a86df36e7b5d2343e1ecf6a56585b30f7">AES_NUM_ROUNDS</a>, state, round_key);</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span>}</div>
</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> </div>
<div class="foldopen" id="foldopen00252" data-start="{" data-end="}">
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"><a class="line" href="aes128_8c.html#a2dfb0d6b001a1eb19b594db57a6c77e6"> 252</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="aes128_8c.html#a2dfb0d6b001a1eb19b594db57a6c77e6">inv_cipher</a>(uint8_t state[4][4], <span class="keyword">const</span> uint8_t *round_key)</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span>{</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> <a class="code hl_function" href="aes128_8c.html#aef409ec13ca9df085cef611f917cab54">add_round_key</a>(<a class="code hl_define" href="aes128_8c.html#a86df36e7b5d2343e1ecf6a56585b30f7">AES_NUM_ROUNDS</a>, state, round_key);</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> </div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> <span class="keywordflow">for</span>(uint8_t round = <a class="code hl_define" href="aes128_8c.html#a86df36e7b5d2343e1ecf6a56585b30f7">AES_NUM_ROUNDS</a> - 1; round &gt; 0; round--)</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> {</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> <a class="code hl_function" href="aes128_8c.html#adb23ec4791c39415364c4ac358cda104">inv_shift_rows</a>(state);</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> <a class="code hl_function" href="aes128_8c.html#aa90b3996efe9b0cdc73f9dfc4437db08">inv_sub_bytes</a>(state);</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> <a class="code hl_function" href="aes128_8c.html#aef409ec13ca9df085cef611f917cab54">add_round_key</a>(round, state, round_key);</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> <a class="code hl_function" href="aes128_8c.html#a6fe4aba262eac9f74ef0971115f6a2df">inv_mix_columns</a>(state);</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> }</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> </div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> <a class="code hl_function" href="aes128_8c.html#adb23ec4791c39415364c4ac358cda104">inv_shift_rows</a>(state);</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> <a class="code hl_function" href="aes128_8c.html#aa90b3996efe9b0cdc73f9dfc4437db08">inv_sub_bytes</a>(state);</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> <a class="code hl_function" href="aes128_8c.html#aef409ec13ca9df085cef611f917cab54">add_round_key</a>(0, state, round_key);</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span>}</div>
</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> </div>
<div class="foldopen" id="foldopen00269" data-start="{" data-end="}">
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"><a class="line" href="aes128_8c.html#ae183030728b41e102f28755c3d0e53f8"> 269</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="aes128_8c.html#ae183030728b41e102f28755c3d0e53f8">xor_block</a>(uint8_t *buf, <span class="keyword">const</span> uint8_t *xor_val)</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span>{</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt; <a class="code hl_define" href="aes128_8c.html#af19ab913a847ad1e91c5291215116de1">AES_BLOCK_SIZE</a>; i++) buf[i] ^= xor_val[i];</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span>}</div>
</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> </div>
<div class="foldopen" id="foldopen00274" data-start="{" data-end="}">
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"><a class="line" href="aes128_8c.html#ae5b59a027bc443c26cc5626455d77eb9"> 274</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="aes128_8c.html#ae5b59a027bc443c26cc5626455d77eb9">aes128_cbc_encrypt</a>(<span class="keyword">const</span> uint8_t key[16], <span class="keyword">const</span> uint8_t iv[16], uint8_t *data, uint32_t length)</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span>{</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> <a class="code hl_struct" href="structaes128__ctx.html">aes128_ctx</a> ctx;</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> uint8_t iv_buf[<a class="code hl_define" href="aes128_8c.html#af19ab913a847ad1e91c5291215116de1">AES_BLOCK_SIZE</a>];</div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> </div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> <a class="code hl_function" href="aes128_8c.html#a4e3c7a1f94f266e41821589537d814af">key_expansion</a>(&amp;ctx, key);</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> memcpy(iv_buf, iv, <a class="code hl_define" href="aes128_8c.html#af19ab913a847ad1e91c5291215116de1">AES_BLOCK_SIZE</a>);</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> </div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> <span class="keywordflow">for</span>(uint32_t i = 0; i &lt; length; i += <a class="code hl_define" href="aes128_8c.html#af19ab913a847ad1e91c5291215116de1">AES_BLOCK_SIZE</a>)</div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> {</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> <a class="code hl_function" href="aes128_8c.html#ae183030728b41e102f28755c3d0e53f8">xor_block</a>(data + i, iv_buf);</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> <a class="code hl_function" href="aes128_8c.html#ac1896bef55548b4713593561e704b7cc">cipher</a>((uint8_t (*)[4])(data + i), ctx.<a class="code hl_variable" href="structaes128__ctx.html#a7fac3e15d563fc3c9162b5845950a15a">round_key</a>);</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> memcpy(iv_buf, data + i, <a class="code hl_define" href="aes128_8c.html#af19ab913a847ad1e91c5291215116de1">AES_BLOCK_SIZE</a>);</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> }</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span>}</div>
</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> </div>
<div class="foldopen" id="foldopen00290" data-start="{" data-end="}">
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"><a class="line" href="aes128_8c.html#a86c652b61efa48d45729e9eea1bab8b1"> 290</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="aes128_8c.html#a86c652b61efa48d45729e9eea1bab8b1">aes128_cbc_decrypt</a>(<span class="keyword">const</span> uint8_t key[16], <span class="keyword">const</span> uint8_t iv[16], uint8_t *data, uint32_t length)</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span>{</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> <a class="code hl_struct" href="structaes128__ctx.html">aes128_ctx</a> ctx;</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> uint8_t iv_buf[<a class="code hl_define" href="aes128_8c.html#af19ab913a847ad1e91c5291215116de1">AES_BLOCK_SIZE</a>];</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> uint8_t next_iv[<a class="code hl_define" href="aes128_8c.html#af19ab913a847ad1e91c5291215116de1">AES_BLOCK_SIZE</a>];</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> </div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> <a class="code hl_function" href="aes128_8c.html#a4e3c7a1f94f266e41821589537d814af">key_expansion</a>(&amp;ctx, key);</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> memcpy(iv_buf, iv, <a class="code hl_define" href="aes128_8c.html#af19ab913a847ad1e91c5291215116de1">AES_BLOCK_SIZE</a>);</div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> </div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> <span class="keywordflow">for</span>(uint32_t i = 0; i &lt; length; i += <a class="code hl_define" href="aes128_8c.html#af19ab913a847ad1e91c5291215116de1">AES_BLOCK_SIZE</a>)</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> {</div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> memcpy(next_iv, data + i, <a class="code hl_define" href="aes128_8c.html#af19ab913a847ad1e91c5291215116de1">AES_BLOCK_SIZE</a>);</div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> <a class="code hl_function" href="aes128_8c.html#a2dfb0d6b001a1eb19b594db57a6c77e6">inv_cipher</a>((uint8_t (*)[4])(data + i), ctx.<a class="code hl_variable" href="structaes128__ctx.html#a7fac3e15d563fc3c9162b5845950a15a">round_key</a>);</div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> <a class="code hl_function" href="aes128_8c.html#ae183030728b41e102f28755c3d0e53f8">xor_block</a>(data + i, iv_buf);</div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> memcpy(iv_buf, next_iv, <a class="code hl_define" href="aes128_8c.html#af19ab913a847ad1e91c5291215116de1">AES_BLOCK_SIZE</a>);</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> }</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span>}</div>
</div>
<div class="ttc" id="aaes128_8c_html_a00dbdeb2d4320b60f33b916176932d60"><div class="ttname"><a href="aes128_8c.html#a00dbdeb2d4320b60f33b916176932d60">AES_KEY_SIZE</a></div><div class="ttdeci">#define AES_KEY_SIZE</div><div class="ttdef"><b>Definition</b> <a href="#l00028">aes128.c:28</a></div></div>
<div class="ttc" id="aaes128_8c_html_a057d2a148db6795301af13e9a70c3779"><div class="ttname"><a href="aes128_8c.html#a057d2a148db6795301af13e9a70c3779">mix_columns</a></div><div class="ttdeci">static void mix_columns(uint8_t state[4][4])</div><div class="ttdef"><b>Definition</b> <a href="#l00190">aes128.c:190</a></div></div>
<div class="ttc" id="aaes128_8c_html_a07cae90d71c41fd293c90e966229da4c"><div class="ttname"><a href="aes128_8c.html#a07cae90d71c41fd293c90e966229da4c">MULTIPLY</a></div><div class="ttdeci">#define MULTIPLY(x, y)</div><div class="ttdef"><b>Definition</b> <a href="#l00215">aes128.c:215</a></div></div>
<div class="ttc" id="aaes128_8c_html_a089ff1ad87c1dc8583da9cfdf02d011e"><div class="ttname"><a href="aes128_8c.html#a089ff1ad87c1dc8583da9cfdf02d011e">AES_KEY_EXP_SIZE</a></div><div class="ttdeci">#define AES_KEY_EXP_SIZE</div><div class="ttdef"><b>Definition</b> <a href="#l00030">aes128.c:30</a></div></div>
<div class="ttc" id="aaes128_8c_html_a15a36f069a888bd10906ebbe01aab806"><div class="ttname"><a href="aes128_8c.html#a15a36f069a888bd10906ebbe01aab806">shift_rows</a></div><div class="ttdeci">static void shift_rows(uint8_t state[4][4])</div><div class="ttdef"><b>Definition</b> <a href="#l00136">aes128.c:136</a></div></div>
<div class="ttc" id="aaes128_8c_html_a2dfb0d6b001a1eb19b594db57a6c77e6"><div class="ttname"><a href="aes128_8c.html#a2dfb0d6b001a1eb19b594db57a6c77e6">inv_cipher</a></div><div class="ttdeci">static void inv_cipher(uint8_t state[4][4], const uint8_t *round_key)</div><div class="ttdef"><b>Definition</b> <a href="#l00252">aes128.c:252</a></div></div>
<div class="ttc" id="aaes128_8c_html_a4e3c7a1f94f266e41821589537d814af"><div class="ttname"><a href="aes128_8c.html#a4e3c7a1f94f266e41821589537d814af">key_expansion</a></div><div class="ttdeci">static void key_expansion(aes128_ctx *ctx, const uint8_t key[16])</div><div class="ttdef"><b>Definition</b> <a href="#l00076">aes128.c:76</a></div></div>
<div class="ttc" id="aaes128_8c_html_a5fb4523234538d83676ef33a45b18fd1"><div class="ttname"><a href="aes128_8c.html#a5fb4523234538d83676ef33a45b18fd1">rsbox</a></div><div class="ttdeci">static const uint8_t rsbox[256]</div><div class="ttdef"><b>Definition</b> <a href="#l00050">aes128.c:50</a></div></div>
<div class="ttc" id="aaes128_8c_html_a6a04d27e5fba818ef334a77ef130f1b8"><div class="ttname"><a href="aes128_8c.html#a6a04d27e5fba818ef334a77ef130f1b8">xtime</a></div><div class="ttdeci">static uint8_t xtime(uint8_t x)</div><div class="ttdef"><b>Definition</b> <a href="#l00074">aes128.c:74</a></div></div>
<div class="ttc" id="aaes128_8c_html_a6fe4aba262eac9f74ef0971115f6a2df"><div class="ttname"><a href="aes128_8c.html#a6fe4aba262eac9f74ef0971115f6a2df">inv_mix_columns</a></div><div class="ttdeci">static void inv_mix_columns(uint8_t state[4][4])</div><div class="ttdef"><b>Definition</b> <a href="#l00219">aes128.c:219</a></div></div>
<div class="ttc" id="aaes128_8c_html_a86c652b61efa48d45729e9eea1bab8b1"><div class="ttname"><a href="aes128_8c.html#a86c652b61efa48d45729e9eea1bab8b1">aes128_cbc_decrypt</a></div><div class="ttdeci">void aes128_cbc_decrypt(const uint8_t key[16], const uint8_t iv[16], uint8_t *data, uint32_t length)</div><div class="ttdoc">AES-128 CBC decrypt data in-place.</div><div class="ttdef"><b>Definition</b> <a href="#l00290">aes128.c:290</a></div></div>
<div class="ttc" id="aaes128_8c_html_a86df36e7b5d2343e1ecf6a56585b30f7"><div class="ttname"><a href="aes128_8c.html#a86df36e7b5d2343e1ecf6a56585b30f7">AES_NUM_ROUNDS</a></div><div class="ttdeci">#define AES_NUM_ROUNDS</div><div class="ttdef"><b>Definition</b> <a href="#l00029">aes128.c:29</a></div></div>
<div class="ttc" id="aaes128_8c_html_a97496be14ca25015cc2a21834fe56a22"><div class="ttname"><a href="aes128_8c.html#a97496be14ca25015cc2a21834fe56a22">sub_bytes</a></div><div class="ttdeci">static void sub_bytes(uint8_t state[4][4])</div><div class="ttdef"><b>Definition</b> <a href="#l00124">aes128.c:124</a></div></div>
<div class="ttc" id="aaes128_8c_html_aa90b3996efe9b0cdc73f9dfc4437db08"><div class="ttname"><a href="aes128_8c.html#aa90b3996efe9b0cdc73f9dfc4437db08">inv_sub_bytes</a></div><div class="ttdeci">static void inv_sub_bytes(uint8_t state[4][4])</div><div class="ttdef"><b>Definition</b> <a href="#l00130">aes128.c:130</a></div></div>
<div class="ttc" id="aaes128_8c_html_ac1896bef55548b4713593561e704b7cc"><div class="ttname"><a href="aes128_8c.html#ac1896bef55548b4713593561e704b7cc">cipher</a></div><div class="ttdeci">static void cipher(uint8_t state[4][4], const uint8_t *round_key)</div><div class="ttdef"><b>Definition</b> <a href="#l00235">aes128.c:235</a></div></div>
<div class="ttc" id="aaes128_8c_html_adb23ec4791c39415364c4ac358cda104"><div class="ttname"><a href="aes128_8c.html#adb23ec4791c39415364c4ac358cda104">inv_shift_rows</a></div><div class="ttdeci">static void inv_shift_rows(uint8_t state[4][4])</div><div class="ttdef"><b>Definition</b> <a href="#l00163">aes128.c:163</a></div></div>
<div class="ttc" id="aaes128_8c_html_adc15aeb43c81de1162045eedf437f407"><div class="ttname"><a href="aes128_8c.html#adc15aeb43c81de1162045eedf437f407">sbox</a></div><div class="ttdeci">static const uint8_t sbox[256]</div><div class="ttdef"><b>Definition</b> <a href="#l00033">aes128.c:33</a></div></div>
<div class="ttc" id="aaes128_8c_html_add2b5f5401bbc561b20744b04a14862d"><div class="ttname"><a href="aes128_8c.html#add2b5f5401bbc561b20744b04a14862d">rcon</a></div><div class="ttdeci">static const uint8_t rcon[11]</div><div class="ttdef"><b>Definition</b> <a href="#l00067">aes128.c:67</a></div></div>
<div class="ttc" id="aaes128_8c_html_ae183030728b41e102f28755c3d0e53f8"><div class="ttname"><a href="aes128_8c.html#ae183030728b41e102f28755c3d0e53f8">xor_block</a></div><div class="ttdeci">static void xor_block(uint8_t *buf, const uint8_t *xor_val)</div><div class="ttdef"><b>Definition</b> <a href="#l00269">aes128.c:269</a></div></div>
<div class="ttc" id="aaes128_8c_html_ae5b59a027bc443c26cc5626455d77eb9"><div class="ttname"><a href="aes128_8c.html#ae5b59a027bc443c26cc5626455d77eb9">aes128_cbc_encrypt</a></div><div class="ttdeci">void aes128_cbc_encrypt(const uint8_t key[16], const uint8_t iv[16], uint8_t *data, uint32_t length)</div><div class="ttdoc">AES-128 CBC encrypt data in-place.</div><div class="ttdef"><b>Definition</b> <a href="#l00274">aes128.c:274</a></div></div>
<div class="ttc" id="aaes128_8c_html_aef409ec13ca9df085cef611f917cab54"><div class="ttname"><a href="aes128_8c.html#aef409ec13ca9df085cef611f917cab54">add_round_key</a></div><div class="ttdeci">static void add_round_key(uint8_t round, uint8_t state[4][4], const uint8_t *round_key)</div><div class="ttdef"><b>Definition</b> <a href="#l00118">aes128.c:118</a></div></div>
<div class="ttc" id="aaes128_8c_html_af19ab913a847ad1e91c5291215116de1"><div class="ttname"><a href="aes128_8c.html#af19ab913a847ad1e91c5291215116de1">AES_BLOCK_SIZE</a></div><div class="ttdeci">#define AES_BLOCK_SIZE</div><div class="ttdef"><b>Definition</b> <a href="#l00027">aes128.c:27</a></div></div>
<div class="ttc" id="aaes128_8h_html"><div class="ttname"><a href="aes128_8h.html">aes128.h</a></div></div>
<div class="ttc" id="astructaes128__ctx_html"><div class="ttname"><a href="structaes128__ctx.html">aes128_ctx</a></div><div class="ttdef"><b>Definition</b> <a href="#l00069">aes128.c:70</a></div></div>
<div class="ttc" id="astructaes128__ctx_html_a7fac3e15d563fc3c9162b5845950a15a"><div class="ttname"><a href="structaes128__ctx.html#a7fac3e15d563fc3c9162b5845950a15a">aes128_ctx::round_key</a></div><div class="ttdeci">uint8_t round_key[176]</div><div class="ttdef"><b>Definition</b> <a href="#l00071">aes128.c:71</a></div></div>
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