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<h1>AEStester.c</h1><a href="AEStester_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/**</span>
67 
<a name="l00002"></a>00002 <span class="comment">*  \file AEStester.c</span>
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<a name="l00003"></a>00003 <span class="comment">*  \brief test program and example of how to use the software</span>
69 
<a name="l00004"></a>00004 <span class="comment">*</span>
70 
<a name="l00005"></a>00005 <span class="comment">*  This file is part of the project  avs_aes</span>
71 
<a name="l00006"></a>00006 <span class="comment">*  see: http://opencores.org/project,avs_aes</span>
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<a name="l00007"></a>00007 <span class="comment">* </span>
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<a name="l00008"></a>00008 <span class="comment">* \section AUTHORS</span>
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<a name="l00009"></a>00009 <span class="comment">*      Thomas Ruschival -- ruschi@opencores.org (www.ruschival.de)</span>
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<a name="l00010"></a>00010 <span class="comment">* </span>
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<a name="l00011"></a>00011 <span class="comment">* \section LICENSE</span>
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<a name="l00012"></a>00012 <span class="comment">*  Copyright (c) 2009, Authors and opencores.org</span>
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<a name="l00013"></a>00013 <span class="comment">*  All rights reserved.</span>
79 
<a name="l00014"></a>00014 <span class="comment">* </span>
80 
<a name="l00015"></a>00015 <span class="comment">*  Redistribution and use in source and binary forms, with or without modification,</span>
81 
<a name="l00016"></a>00016 <span class="comment">*  are permitted provided that the following conditions are met:</span>
82 
<a name="l00017"></a>00017 <span class="comment">*     * Redistributions of source code must retain the above copyright notice,</span>
83 
<a name="l00018"></a>00018 <span class="comment">*     this list of conditions and the following disclaimer.</span>
84 
<a name="l00019"></a>00019 <span class="comment">*     * Redistributions in binary form must reproduce the above copyright notice,</span>
85 
<a name="l00020"></a>00020 <span class="comment">*     this list of conditions and the following disclaimer in the documentation</span>
86 
<a name="l00021"></a>00021 <span class="comment">*     and/or other materials provided with the distribution.</span>
87 
<a name="l00022"></a>00022 <span class="comment">*     * Neither the name of the organization nor the names of its contributors</span>
88 
<a name="l00023"></a>00023 <span class="comment">*     may be used to endorse or promote products derived from this software without</span>
89 
<a name="l00024"></a>00024 <span class="comment">*     specific prior written permission.</span>
90 
<a name="l00025"></a>00025 <span class="comment">*  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS &quot;AS IS&quot;</span>
91 
<a name="l00026"></a>00026 <span class="comment">*  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE</span>
92 
<a name="l00027"></a>00027 <span class="comment">*  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE</span>
93 
<a name="l00028"></a>00028 <span class="comment">*  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE</span>
94 
<a name="l00029"></a>00029 <span class="comment">*  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,</span>
95 
<a name="l00030"></a>00030 <span class="comment">*  OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF</span>
96 
<a name="l00031"></a>00031 <span class="comment">*  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span>
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<a name="l00032"></a>00032 <span class="comment">*  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span>
98 
<a name="l00033"></a>00033 <span class="comment">*  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)</span>
99 
<a name="l00034"></a>00034 <span class="comment">*  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF</span>
100 
<a name="l00035"></a>00035 <span class="comment">*  THE POSSIBILITY OF SUCH DAMAGE   </span>
101 
<a name="l00036"></a>00036 <span class="comment">*/</span>
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<a name="l00037"></a>00037 <span class="preprocessor">#include &lt;stdio.h&gt;</span>
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<a name="l00038"></a>00038 <span class="preprocessor">#include &lt;string.h&gt;</span>
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<a name="l00039"></a>00039 <span class="preprocessor">#include &lt;<a class="code" href="avs__aes_8h.html" title="header file for AES Avalon IP Core software driver offers interfaces to convinient...">avs_aes.h</a>&gt;</span>
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<a name="l00040"></a>00040
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<a name="l00041"></a>00041 <span class="keywordtype">int</span> main(){
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<a name="l00042"></a>00042     <a class="code" href="structavs__aes__handle.html" title="object storing addresses for this Avalon AES slave might be useful in case there...">avs_aes_handle</a> context;
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<a name="l00043"></a>00043     <span class="keywordtype">int</span> i=0;
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<a name="l00044"></a>00044
110 
<a name="l00045"></a>00045     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> result[4];
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<a name="l00046"></a>00046     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> Userkey[8] = {
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<a name="l00047"></a>00047         0x11111111,0x22222222,0x33333333,0x44444444,
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<a name="l00048"></a>00048         0x55555555,0x66666666,0x77777777,0x88888888};
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<a name="l00049"></a>00049     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> Payload[4] = {
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<a name="l00050"></a>00050         0xAA555555,0xBB666666,0xCC777777,0xDD888888};
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<a name="l00051"></a>00051
117 
<a name="l00052"></a>00052
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<a name="l00053"></a>00053 <span class="comment">// START AES-Operations</span>
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<a name="l00054"></a>00054     printf(<span class="stringliteral">&quot;AES-Test\n&quot;</span>);
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<a name="l00055"></a>00055     <a class="code" href="avs__aes_8c.html#a962dd946798faab0e83d401c7d43c33c" title="setup the context to be used later.">avs_aes_init</a>(&amp;context);
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<a name="l00056"></a>00056     <a class="code" href="avs__aes_8c.html#af18edc2beecc3842a131423f55c7636a" title="setup the context to be used later.">avs_aes_setKey</a>(&amp;context,&amp;Userkey);
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<a name="l00057"></a>00057     <a class="code" href="avs__aes_8c.html#a22f9afae76f645e31b514b5aa4df2cc1" title="loads payload for processing to the core basically memcopy.">avs_aes_setPayload</a>(&amp;context,&amp;Payload);
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<a name="l00058"></a>00058     <a class="code" href="avs__aes_8c.html#acea23b2ab998f18b9aca810765632cac" title="set the ENCRYPT flag in the control word start encryption of (hopefully) previously...">avs_aes_encrypt</a>(&amp;context);
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<a name="l00059"></a>00059
125 
<a name="l00060"></a>00060     <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...">avs_aes_isBusy</a>(&amp;context)){
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<a name="l00061"></a>00061         printf(<span class="stringliteral">&quot;not ready\n&quot;</span>);
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<a name="l00062"></a>00062     }
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<a name="l00063"></a>00063     printf(<span class="stringliteral">&quot;receiving 729cd44f 32a48d85 b8188185 c579ae49\n&quot;</span>);
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<a name="l00064"></a>00064     memcpy(result,context.<a class="code" href="structavs__aes__handle.html#ae0ad9e7bde68d07c018a299a0cda66af" title="pointer &amp;quot;RESULT&amp;quot; field in memory mapping">result</a>,4*<span class="keyword">sizeof</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>));
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<a name="l00065"></a>00065     <span class="keywordflow">for</span>(i=0; i&lt;4 ; i++){
131 
<a name="l00066"></a>00066         printf(<span class="stringliteral">&quot;received 0x%X \n&quot;</span>,result[i]);
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<a name="l00067"></a>00067     }
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<a name="l00068"></a>00068
134 
<a name="l00069"></a>00069 <span class="comment">// Decrypt same payload -  </span>
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<a name="l00070"></a>00070     <a class="code" href="avs__aes_8c.html#aef16b7ecbb1b091934a9c670ce3b2fcf" title="set the DECRYPT flag in the control word start encryption of (hopefully) previously...">avs_aes_decrypt</a>(&amp;context);
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<a name="l00071"></a>00071     <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...">avs_aes_isBusy</a>(&amp;context)){
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<a name="l00072"></a>00072         printf(<span class="stringliteral">&quot;not ready\n&quot;</span>);
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<a name="l00073"></a>00073     }
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<a name="l00074"></a>00074     printf(<span class="stringliteral">&quot;receiving 9c7076af ac2e5716 6681d3ac 014f64c0 \n&quot;</span>);
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<a name="l00075"></a>00075     memcpy(result,context.<a class="code" href="structavs__aes__handle.html#ae0ad9e7bde68d07c018a299a0cda66af" title="pointer &amp;quot;RESULT&amp;quot; field in memory mapping">result</a>,4*<span class="keyword">sizeof</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>));
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<a name="l00076"></a>00076     <span class="keywordflow">for</span>(i=0; i&lt;4 ; i++){
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<a name="l00077"></a>00077         printf(<span class="stringliteral">&quot;received 0x%X \n&quot;</span>,result[i]);
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<a name="l00078"></a>00078     }
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<a name="l00079"></a>00079 <span class="comment">// Change payload ...</span>
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<a name="l00080"></a>00080     Payload[3] = 0x11111111;
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<a name="l00081"></a>00081     Payload[2] = 0xAAAAAAAA;
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<a name="l00082"></a>00082     Payload[1] = 0xCCCCCCCC;
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<a name="l00083"></a>00083     Payload[0] = 0x00000000;
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<a name="l00084"></a>00084     <span class="comment">//new encryption</span>
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<a name="l00085"></a>00085     <a class="code" href="avs__aes_8c.html#a22f9afae76f645e31b514b5aa4df2cc1" title="loads payload for processing to the core basically memcopy.">avs_aes_setPayload</a>(&amp;context,&amp;Payload);
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<a name="l00086"></a>00086     <a class="code" href="avs__aes_8c.html#acea23b2ab998f18b9aca810765632cac" title="set the ENCRYPT flag in the control word start encryption of (hopefully) previously...">avs_aes_encrypt</a>(&amp;context);
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<a name="l00087"></a>00087     <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...">avs_aes_isBusy</a>(&amp;context)){
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<a name="l00088"></a>00088         printf(<span class="stringliteral">&quot;not ready\n&quot;</span>);
154 
<a name="l00089"></a>00089     }
155 
<a name="l00090"></a>00090     memcpy(result,context.<a class="code" href="structavs__aes__handle.html#ae0ad9e7bde68d07c018a299a0cda66af" title="pointer &amp;quot;RESULT&amp;quot; field in memory mapping">result</a>,4*<span class="keyword">sizeof</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>));
156 
<a name="l00091"></a>00091     <span class="keywordflow">for</span>(i=0; i&lt;4 ; i++){
157 
<a name="l00092"></a>00092         printf(<span class="stringliteral">&quot;received 0x%X \n&quot;</span>,result[i]);
158 
<a name="l00093"></a>00093     }
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<a name="l00094"></a>00094     <span class="comment">//new decryption</span>
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<a name="l00095"></a>00095     <a class="code" href="avs__aes_8c.html#aef16b7ecbb1b091934a9c670ce3b2fcf" title="set the DECRYPT flag in the control word start encryption of (hopefully) previously...">avs_aes_decrypt</a>(&amp;context);
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<a name="l00096"></a>00096     <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...">avs_aes_isBusy</a>(&amp;context)){
162 
<a name="l00097"></a>00097         printf(<span class="stringliteral">&quot;not ready\n&quot;</span>);
163 
<a name="l00098"></a>00098     }
164 
<a name="l00099"></a>00099     memcpy(result,context.<a class="code" href="structavs__aes__handle.html#ae0ad9e7bde68d07c018a299a0cda66af" title="pointer &amp;quot;RESULT&amp;quot; field in memory mapping">result</a>,4*<span class="keyword">sizeof</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>));
165 
<a name="l00100"></a>00100     <span class="keywordflow">for</span>(i=0; i&lt;4 ; i++){
166 
<a name="l00101"></a>00101         printf(<span class="stringliteral">&quot;received 0x%X \n&quot;</span>,result[i]);
167 
<a name="l00102"></a>00102     }
168 
<a name="l00103"></a>00103     printf(<span class="stringliteral">&quot;Done \n&quot;</span>);
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<a name="l00104"></a>00104
170 
<a name="l00105"></a>00105
171 
<a name="l00106"></a>00106     <span class="keywordflow">return</span> 0;
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<a name="l00107"></a>00107
173 
<a name="l00108"></a>00108 }
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</pre></div></div>
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