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<div class="colorscripter-code" style="color:#010101;font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace !important; position:relative !important;overflow:auto"><table cellpadding="0" cellspacing="0" class="colorscripter-code-table" style="margin:0;padding:0;border:none;background-color:#fafafa;border-radius:4px;"> <tbody> <tr> <td style="padding:6px;border-right:2px solid #e5e5e5"> <div style="margin:0;padding:0;word-break:normal;text-align:right;color:#666;font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace !important;line-height:130%"> <div style="line-height:130%">1</div> <div style="line-height:130%">2</div> <div style="line-height:130%">3</div> <div style="line-height:130%">4</div> <div style="line-height:130%">5</div> <div style="line-height:130%">6</div> <div style="line-height:130%">7</div> <div style="line-height:130%">8</div> <div style="line-height:130%">9</div> <div style="line-height:130%">10</div> <div style="line-height:130%">11</div> <div style="line-height:130%">12</div> <div style="line-height:130%">13</div> <div style="line-height:130%">14</div> <div style="line-height:130%">15</div> <div style="line-height:130%">16</div> <div style="line-height:130%">17</div> <div style="line-height:130%">18</div> <div style="line-height:130%">19</div> <div style="line-height:130%">20</div> <div style="line-height:130%">21</div> <div style="line-height:130%">22</div> <div style="line-height:130%">23</div> <div style="line-height:130%">24</div> <div style="line-height:130%">25</div> <div style="line-height:130%">26</div> <div style="line-height:130%">27</div> <div style="line-height:130%">28</div> <div style="line-height:130%">29</div> <div style="line-height:130%">30</div> <div style="line-height:130%">31</div> <div style="line-height:130%">32</div> </div> </td> <td style="padding:6px 0;text-align:left"> <div style="margin:0;padding:0;color:#010101;font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace !important;line-height:130%"> <div style="padding:0 6px; white-space:pre; line-height:130%"><span style="color:#0086b3">#define</span> _CRT_SECURE_NO_WARNINGS</div> <div style="padding:0 6px; white-space:pre; line-height:130%"><span style="color:#0086b3">#include</span> <span style="color:#a71d5d"><</span>stdio.h<span style="color:#a71d5d">></span></div> <div style="padding:0 6px; white-space:pre; line-height:130%"><span style="color:#0086b3">#include</span> <span style="color:#a71d5d"><</span><span style="color:#066de2">string</span>.h<span style="color:#a71d5d">></span></div> <div style="padding:0 6px; white-space:pre; line-height:130%"> </div> <div style="padding:0 6px; white-space:pre; line-height:130%"><span style="color:#a71d5d">void</span> XORCipher(<span style="color:#066de2">char</span><span style="color:#a71d5d">*</span> data, <span style="color:#a71d5d">const</span> <span style="color:#066de2">char</span><span style="color:#a71d5d">*</span> key, <span style="color:#066de2">int</span> dataLen, <span style="color:#066de2">int</span> keyLen, <span style="color:#066de2">char</span><span style="color:#a71d5d">*</span> output) {</div> <div style="padding:0 6px; white-space:pre; line-height:130%"> <span style="color:#a71d5d">for</span> (<span style="color:#066de2">int</span> i <span style="color:#a71d5d">=</span> <span style="color:#0099cc">0</span>; i <span style="color:#a71d5d"><</span> dataLen; <span style="color:#a71d5d">+</span><span style="color:#a71d5d">+</span>i) {</div> <div style="padding:0 6px; white-space:pre; line-height:130%"> output[i] <span style="color:#a71d5d">=</span> data[i] ^ key[i % keyLen];</div> <div style="padding:0 6px; white-space:pre; line-height:130%"> }</div> <div style="padding:0 6px; white-space:pre; line-height:130%"> output[dataLen] <span style="color:#a71d5d">=</span> <span style="color:#63a35c">'\0'</span>;</div> <div style="padding:0 6px; white-space:pre; line-height:130%">}</div> <div style="padding:0 6px; white-space:pre; line-height:130%"> </div> <div style="padding:0 6px; white-space:pre; line-height:130%"><span style="color:#066de2">int</span> main(<span style="color:#a71d5d">void</span>)</div> <div style="padding:0 6px; white-space:pre; line-height:130%">{</div> <div style="padding:0 6px; white-space:pre; line-height:130%"> <span style="color:#066de2">char</span> text[] <span style="color:#a71d5d">=</span> <span style="color:#63a35c">"This is a house."</span>;</div> <div style="padding:0 6px; white-space:pre; line-height:130%"> <span style="color:#066de2">char</span> key[] <span style="color:#a71d5d">=</span> <span style="color:#63a35c">"123456"</span>;</div> <div style="padding:0 6px; white-space:pre; line-height:130%"> <span style="color:#066de2">int</span> dataLen <span style="color:#a71d5d">=</span> strlen(text);</div> <div style="padding:0 6px; white-space:pre; line-height:130%"> <span style="color:#066de2">int</span> keyLen <span style="color:#a71d5d">=</span> strlen(key);</div> <div style="padding:0 6px; white-space:pre; line-height:130%"> </div> <div style="padding:0 6px; white-space:pre; line-height:130%"> <span style="color:#999999">// 암호화 결과와 복호화 결과를 담을 버퍼</span></div> <div style="padding:0 6px; white-space:pre; line-height:130%"> <span style="color:#066de2">char</span> cipherText[<span style="color:#0099cc">100</span>]; <span style="color:#999999">// 충분히 큰 크기로 선언</span></div> <div style="padding:0 6px; white-space:pre; line-height:130%"> <span style="color:#066de2">char</span> plainText[<span style="color:#0099cc">100</span>];</div> <div style="padding:0 6px; white-space:pre; line-height:130%"> </div> <div style="padding:0 6px; white-space:pre; line-height:130%"> XORCipher(text, key, dataLen, keyLen, cipherText);</div> <div style="padding:0 6px; white-space:pre; line-height:130%"> XORCipher(cipherText, key, dataLen, keyLen, plainText);</div> <div style="padding:0 6px; white-space:pre; line-height:130%"> </div> <div style="padding:0 6px; white-space:pre; line-height:130%"> <span style="color:#066de2">printf</span>(<span style="color:#63a35c">"암호화 전의 문자열=%s\n"</span>, text);</div> <div style="padding:0 6px; white-space:pre; line-height:130%"> <span style="color:#066de2">printf</span>(<span style="color:#63a35c">"암호화 키=%s\n"</span>, key);</div> <div style="padding:0 6px; white-space:pre; line-height:130%"> <span style="color:#066de2">printf</span>(<span style="color:#63a35c">"암호화 후의 문자열=%s\n"</span>, cipherText);</div> <div style="padding:0 6px; white-space:pre; line-height:130%"> <span style="color:#066de2">printf</span>(<span style="color:#63a35c">"복호화 후의 문자열=%s\n"</span>, plainText);</div> <div style="padding:0 6px; white-space:pre; line-height:130%"> </div> <div style="padding:0 6px; white-space:pre; line-height:130%"> <span style="color:#a71d5d">return</span> <span style="color:#0099cc">0</span>;</div> <div style="padding:0 6px; white-space:pre; line-height:130%">}</div> </div> <div style="text-align:right;margin-top:-13px;margin-right:5px;font-size:9px;font-style:italic"><a href="http://colorscripter.com/info#e" style="color:#e5e5e5text-decoration:none" target="_blank">Colored by Color Scripter</a></div> </td> <td style="vertical-align:bottom;padding:0 2px 4px 0"><a href="http://colorscripter.com/info#e" style="text-decoration:none;color:white" target="_blank"><span style="font-size:9px;word-break:normal;background-color:#e5e5e5;color:white;border-radius:10px;padding:1px">cs</span></a></td> </tr> </tbody></table></div>
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