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<a href="AEStester_8c.html">Go to the documentation of this file.</a><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">* \file AEStester.c</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">* \brief test program and example of how to use the software</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">*</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">* This file is part of the project avs_aes</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">* see: http://opencores.org/project,avs_aes</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">* </span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">* \section AUTHORS</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">* Thomas Ruschival -- ruschi@opencores.org (www.ruschival.de)</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">* \section LICENSE</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">* Copyright (c) 2009, Authors and opencores.org</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">* All rights reserved.</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">* </span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">* Redistribution and use in source and binary forms, with or without modification,</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">* are permitted provided that the following conditions are met:</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">* * Redistributions of source code must retain the above copyright notice,</span></div>
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| 87 |
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">* this list of conditions and the following disclaimer.</span></div>
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| 88 |
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">* * Redistributions in binary form must reproduce the above copyright notice,</span></div>
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| 89 |
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">* this list of conditions and the following disclaimer in the documentation</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">* and/or other materials provided with the distribution.</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">* * Neither the name of the organization nor the names of its contributors</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">* may be used to endorse or promote products derived from this software without</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment">* specific prior written permission.</span></div>
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| 94 |
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE</span></div>
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| 96 |
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE</span></div>
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| 97 |
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment">* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,</span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF</span></div>
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| 100 |
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span></div>
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| 101 |
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment">* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span></div>
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| 102 |
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)</span></div>
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| 103 |
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment">* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF</span></div>
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| 104 |
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment">* THE POSSIBILITY OF SUCH DAMAGE </span></div>
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| 105 |
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment">*/</span></div>
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| 106 |
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include <stdio.h></span></div>
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| 107 |
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include <string.h></span></div>
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| 108 |
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include <<a class="code" href="avs__aes_8h.html" title="header file for AES Avalon IP Core software driver offers interfaces to convinient access to the core...">avs_aes.h</a>></span></div>
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| 109 |
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keywordtype">int</span> main() {</div>
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| 111 |
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <a class="code" href="structavs__aes__handle.html" title="object storing addresses for this Avalon AES slave might be useful in case there are more attached...">avs_aes_handle</a> context;</div>
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| 112 |
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordtype">int</span> i = 0;</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div>
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| 114 |
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> result[4];</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> Userkey[] = {</div>
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| 116 |
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  0x11111111, 0x22222222,</div>
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| 117 |
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  0x33333333, 0x44444444,</div>
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| 118 |
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  0x55555555, 0x66666666,</div>
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| 119 |
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  0x77777777, 0x88888888</div>
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| 120 |
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  };</div>
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| 121 |
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> Payload[] = {</div>
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| 122 |
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  0xAA555555, 0xBB666666,</div>
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| 123 |
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  0xCC777777, 0xDD888888</div>
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| 124 |
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  };</div>
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| 125 |
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div>
|
| 126 |
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment">// START AES-Operations</span></div>
|
| 127 |
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  printf(<span class="stringliteral">"AES-Test\n"</span>);</div>
|
| 128 |
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <a class="code" href="avs__aes_8c.html#a962dd946798faab0e83d401c7d43c33c" title="setup the context to be used later. ">avs_aes_init</a>(&context);</div>
|
| 129 |
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <a class="code" href="avs__aes_8c.html#af18edc2beecc3842a131423f55c7636a" title="Set a new key This call asserts the KEY_VALID flag and triggers the key-expansion in the core...">avs_aes_setKey</a>(&context, &Userkey);</div>
|
| 130 |
|
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <a class="code" href="avs__aes_8c.html#a22f9afae76f645e31b514b5aa4df2cc1" title="loads payload for processing to the core basically memcopy... ">avs_aes_setPayload</a>(&context, &Payload);</div>
|
| 131 |
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <a class="code" href="avs__aes_8c.html#acea23b2ab998f18b9aca810765632cac" title="set the ENCRYPT flag in the control word start encryption of (hopefully) previously loaded payload ...">avs_aes_encrypt</a>(&context);</div>
|
| 132 |
|
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div>
|
| 133 |
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">while</span> (<a class="code" href="avs__aes_8c.html#a827a78f73dd8fef9d2c9e72ad9bb4ea9" title="checks the COMPLETED flag can be used for ugly polling the slave if IRQs are not used ...">avs_aes_isBusy</a>(&context)) {</div>
|
| 134 |
|
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  printf(<span class="stringliteral">"not ready\n"</span>);</div>
|
| 135 |
|
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  }</div>
|
| 136 |
|
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  printf(<span class="stringliteral">"receiving 729cd44f 32a48d85 b8188185 c579ae49\n"</span>);</div>
|
| 137 |
|
|
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  memcpy(result, context.<a class="code" href="structavs__aes__handle.html#ae0ad9e7bde68d07c018a299a0cda66af" title="pointer to result field in memory mapping ">result</a>, <span class="keyword">sizeof</span>(result));</div>
|
| 138 |
|
|
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">for</span> (i = 0; i < 4; i++) {</div>
|
| 139 |
|
|
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  printf(<span class="stringliteral">"received 0x%X \n"</span>, result[i]);</div>
|
| 140 |
|
|
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  }</div>
|
| 141 |
|
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div>
|
| 142 |
|
|
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="comment">// Decrypt same payload - </span></div>
|
| 143 |
|
|
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <a class="code" href="avs__aes_8c.html#aef16b7ecbb1b091934a9c670ce3b2fcf" title="set the DECRYPT flag in the control word start encryption of (hopefully) previously loaded payload ...">avs_aes_decrypt</a>(&context);</div>
|
| 144 |
|
|
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">while</span> (<a class="code" href="avs__aes_8c.html#a827a78f73dd8fef9d2c9e72ad9bb4ea9" title="checks the COMPLETED flag can be used for ugly polling the slave if IRQs are not used ...">avs_aes_isBusy</a>(&context)) {</div>
|
| 145 |
|
|
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  printf(<span class="stringliteral">"not ready\n"</span>);</div>
|
| 146 |
|
|
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  }</div>
|
| 147 |
|
|
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  printf(<span class="stringliteral">"receiving 9c7076af ac2e5716 6681d3ac 014f64c0 \n"</span>);</div>
|
| 148 |
|
|
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  memcpy(result, context.<a class="code" href="structavs__aes__handle.html#ae0ad9e7bde68d07c018a299a0cda66af" title="pointer to result field in memory mapping ">result</a>, <span class="keyword">sizeof</span>(result));</div>
|
| 149 |
|
|
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">for</span> (i = 0; i < 4; i++) {</div>
|
| 150 |
|
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  printf(<span class="stringliteral">"received 0x%X \n"</span>, result[i]);</div>
|
| 151 |
|
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  }</div>
|
| 152 |
|
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="comment">// Change payload ...</span></div>
|
| 153 |
|
|
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  Payload[3] = 0x11111111;</div>
|
| 154 |
|
|
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  Payload[2] = 0xAAAAAAAA;</div>
|
| 155 |
|
|
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  Payload[1] = 0xCCCCCCCC;</div>
|
| 156 |
|
|
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  Payload[0] = 0x00000000;</div>
|
| 157 |
|
|
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="comment">//new encryption</span></div>
|
| 158 |
|
|
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <a class="code" href="avs__aes_8c.html#a22f9afae76f645e31b514b5aa4df2cc1" title="loads payload for processing to the core basically memcopy... ">avs_aes_setPayload</a>(&context, &Payload);</div>
|
| 159 |
|
|
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <a class="code" href="avs__aes_8c.html#acea23b2ab998f18b9aca810765632cac" title="set the ENCRYPT flag in the control word start encryption of (hopefully) previously loaded payload ...">avs_aes_encrypt</a>(&context);</div>
|
| 160 |
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">while</span> (<a class="code" href="avs__aes_8c.html#a827a78f73dd8fef9d2c9e72ad9bb4ea9" title="checks the COMPLETED flag can be used for ugly polling the slave if IRQs are not used ...">avs_aes_isBusy</a>(&context)) {</div>
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| 161 |
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  printf(<span class="stringliteral">"not ready\n"</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>  memcpy(result, context.<a class="code" href="structavs__aes__handle.html#ae0ad9e7bde68d07c018a299a0cda66af" title="pointer to result field in memory mapping ">result</a>, <span class="keyword">sizeof</span>(result));</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">for</span> (i = 0; i < 4; i++) {</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  printf(<span class="stringliteral">"received 0x%X \n"</span>, result[i]);</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  }</div>
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| 167 |
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="comment">//new decryption</span></div>
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| 168 |
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <a class="code" href="avs__aes_8c.html#aef16b7ecbb1b091934a9c670ce3b2fcf" title="set the DECRYPT flag in the control word start encryption of (hopefully) previously loaded payload ...">avs_aes_decrypt</a>(&context);</div>
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| 169 |
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">while</span> (<a class="code" href="avs__aes_8c.html#a827a78f73dd8fef9d2c9e72ad9bb4ea9" title="checks the COMPLETED flag can be used for ugly polling the slave if IRQs are not used ...">avs_aes_isBusy</a>(&context)) {</div>
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| 170 |
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  printf(<span class="stringliteral">"not ready\n"</span>);</div>
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| 171 |
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  }</div>
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| 172 |
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  memcpy(result, context.<a class="code" href="structavs__aes__handle.html#ae0ad9e7bde68d07c018a299a0cda66af" title="pointer to result field in memory mapping ">result</a>, 4 * <span class="keyword">sizeof</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>));</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">for</span> (i = 0; i < 4; i++) {</div>
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| 174 |
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  printf(<span class="stringliteral">"received 0x%X \n"</span>, result[i]);</div>
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| 175 |
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  }</div>
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| 176 |
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  printf(<span class="stringliteral">"Done \n"</span>);</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">return</span> 0;</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> }</div>
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</div><!-- fragment --></div><!-- contents -->
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</div><!-- doc-content -->
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<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
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<ul>
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<li class="navelem"><a class="el" href="AEStester_8c.html">AEStester.c</a></li>
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<li class="footer">Generated on Sat Apr 19 2014 17:55:55 for AES Avalon Slave (avs_aes) by
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<a href="http://www.doxygen.org/index.html">
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.4 </li>
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</ul>
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</div>
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11 |
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