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	<title>IT 위키 - 사용자 기여 [ko]</title>
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	<updated>2026-09-17T03:07:54Z</updated>
	<subtitle>사용자 기여</subtitle>
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		<id>https://devhrxoobm.itwiki.kr/index.php?title=RC4&amp;diff=39690</id>
		<title>RC4</title>
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		<updated>2024-10-15T13:15:39Z</updated>

		<summary type="html">&lt;p&gt;Kusun1020: RC4 (Rivest Cipher 4) 핵심 정리&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;* &#039;&#039;&#039;정의&#039;&#039;&#039;: 로널드 리베스트가 개발한 &#039;&#039;&#039;스트림 암호 알고리즘&#039;&#039;&#039;.&lt;br /&gt;
* &#039;&#039;&#039;핵심&#039;&#039;&#039;: &#039;&#039;&#039;간단한 구조&#039;&#039;&#039;로 빠른 암호화 속도를 제공하지만, &#039;&#039;&#039;취약점&#039;&#039;&#039;이 발견되어 최근에는 잘 사용되지 않음.&lt;br /&gt;
* &#039;&#039;&#039;특징&#039;&#039;&#039;: &#039;&#039;&#039;키 스트림을 생성&#039;&#039;&#039;하여 데이터를 XOR 연산으로 암호화.&lt;br /&gt;
* &#039;&#039;&#039;문제점&#039;&#039;&#039;: &#039;&#039;&#039;키 관리 취약성&#039;&#039;&#039; 및 &#039;&#039;&#039;비안전성&#039;&#039;&#039;으로 인해 SSL/TLS 등에서 사용 중단.&lt;/div&gt;</summary>
		<author><name>Kusun1020</name></author>
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