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	<title>비밀키/조재화 - Revision history</title>
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	<updated>2026-05-15T01:42:40Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://mediawiki.zeropage.org/index.php?title=%EB%B9%84%EB%B0%80%ED%82%A4/%EC%A1%B0%EC%9E%AC%ED%99%94&amp;diff=52213&amp;oldid=prev</id>
		<title>imported&gt;Unknown at 05:29, 7 February 2021</title>
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		<updated>2021-02-07T05:29:37Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;== 암호화 &amp;amp;&amp;amp; 해석 ==&lt;br /&gt;
 #include &amp;amp;lt;fstream&amp;amp;gt; &lt;br /&gt;
 #include &amp;amp;lt;string&amp;amp;gt;&lt;br /&gt;
 #include &amp;amp;lt;iostream&amp;amp;gt;&lt;br /&gt;
 using namespace std; &lt;br /&gt;
 &lt;br /&gt;
 &lt;br /&gt;
  &lt;br /&gt;
 int main() &lt;br /&gt;
 { &lt;br /&gt;
         ifstream fin(&amp;quot;source.txt&amp;quot;); // fin과 input.txt를 연결  &lt;br /&gt;
          ofstream fout(&amp;quot;output.txt&amp;quot;); // fout과 output.txt를 연결 &lt;br /&gt;
  &lt;br /&gt;
         char array[100];&lt;br /&gt;
 		int counter = 0;&lt;br /&gt;
 		for(int i=0; !fin.eof(); i++)&lt;br /&gt;
         {&lt;br /&gt;
 			array[i]=fin.get(); // cin으로 화면에서 입력받는다면, fin은 연결된 파일로부터 입력받는다. &lt;br /&gt;
 			counter++;&lt;br /&gt;
 		}&lt;br /&gt;
 		&lt;br /&gt;
                   int key;&lt;br /&gt;
 		cout&amp;amp;lt;&amp;amp;lt;&amp;quot;암호화 키를 입력하세요 = &amp;amp;gt;&amp;quot; ;&lt;br /&gt;
 		cin &amp;amp;gt;&amp;amp;gt; key;&lt;br /&gt;
 		&lt;br /&gt;
 &lt;br /&gt;
                   //암호화&lt;br /&gt;
 		for(i=0; i&amp;amp;lt; counter-1; i++)&lt;br /&gt;
 		{&lt;br /&gt;
 			array[i] += key;&lt;br /&gt;
 		}&lt;br /&gt;
 		for(i=0; i&amp;amp;lt;counter-1; i++)&lt;br /&gt;
 		{&lt;br /&gt;
 			cout&amp;amp;lt;&amp;amp;lt;array[i];&lt;br /&gt;
 			fout&amp;amp;lt;&amp;amp;lt;array[i];&lt;br /&gt;
 		}&lt;br /&gt;
 		cout&amp;amp;lt;&amp;amp;lt;endl;&lt;br /&gt;
 		&lt;br /&gt;
 &lt;br /&gt;
 				&lt;br /&gt;
 		//해석&lt;br /&gt;
 		for(i=0; i&amp;amp;lt;counter-1; i++)&lt;br /&gt;
 		{&lt;br /&gt;
 			array[i] -= key;&lt;br /&gt;
 		}&lt;br /&gt;
 		for(i=0; i&amp;amp;lt;counter-1;i++)&lt;br /&gt;
 		{&lt;br /&gt;
 			cout&amp;amp;lt;&amp;amp;lt;array[i];&lt;br /&gt;
 		}&lt;br /&gt;
 		cout&amp;amp;lt;&amp;amp;lt;endl;&lt;br /&gt;
 		&lt;br /&gt;
 &lt;br /&gt;
         return 0; &lt;br /&gt;
 }&lt;br /&gt;
&lt;/div&gt;</summary>
		<author><name>imported&gt;Unknown</name></author>
	</entry>
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