정보보호3 임기훈_당신과만난이날 <span class="date">2019. 9. 2.</span> </span> </a> </div> <div class="post-item"> <a href="/entry/%EC%A0%95%EB%B3%B4%ED%98%B8%EC%9D%98-%EC%A0%95%EC%9D%98%EB%AA%A9%ED%91%9C%EB%8C%80%EC%B1%85%EC%B2%B4%EA%B3%84"> <span class="thum"> </span> <span class="title">정보호의 정의_목표_대책_체계</span> <span class="excerpt">* 정보(Information)란? 컴퓨터시스템에 존재하는 Data와 이 Data 로부터 유추 또는 추출해낸 부가 Data를 말함 * 정보보호(Information Security)란? 이러한 유형 또는 무형의 정보를 내부 또는 외부의 위협으로부터 보호하는 것 * 정보보호 분야에는 어떤 것이 있는가? - 시스템(OS,운영체제) 보안. - 네트웍 보안. - 데이타베이스 보안. - 인터넷(웹브라우져,이메일,웹서버)보안. - 응용분야 보안 (전자상거래 보안). - 바이러스 (악성S/W) 보안. - 해킹 및 크랙킹 (예방차원에서 이해필요). * 정보보호의 기본 목표 정보보호에선 크게 보아 다음 3 가지의 목표를 달성하기 위해서 존재한다 1. 비밀성(Secrecy ) 2. 무결성(Integrity ) 3. 가용성..</span> <span class="meta"> <span class="date">2019. 7. 19.</span> </span> </a> </div> <div class="post-item"> <a href="/entry/%EB%8C%80%EC%B9%AD%ED%82%A4%EA%B3%B5%EA%B0%9C%ED%82%A4-%EC%95%8C%EA%B3%A0%EB%A6%AC%EC%A6%98%EC%9D%98-%EC%A0%95%EC%9D%98%EB%B0%8F-%EC%86%8C%EA%B0%9C"> <span class="thum"> <img src="//i1.daumcdn.net/thumb/C230x300/?fname=https://blog.kakaocdn.net/dn/oe32s/btqwVT9P5QI/OhBbi7OMWqqSpvOcb69lG0/img.jpg" alt=""> </span> <span class="title">대칭키/공개키 알고리즘의 정의및 소개.</span> <span class="excerpt">* 암호학이란? 암호시스템 대칭키 암호시스템 공개키 암호시스템 해쉬 알고리즘 암호 프로토콜 키관리 및 인증 전자서명 암호기술 암호화기술 암호프로토콜기술 대칭키 암호 알고리즘 기본암호알고리즘 *불럭암호알고리즘 *개인식별 및 인증 *스트림암호알고리즘 *전자서명 공개키암호알고리즘 발전된 암호 프로토콜 * 전자화폐 * 전자결재 * 전자선거 M : 평문 평문 ---> 암호/복호알고리즘 Ci = Mie (mod n) Decryption of a cipher character Ci ::> Mi = Cid (mod n) ================================================================================================ 3) ElGamal 암호 시..</span> <span class="meta"> <span class="date">2019. 7. 19.</span> </span> </a> </div> </div> <div class="pagination"> <a class="prev no-more-prev">이전</a> <a href="/category/%EC%A0%95%EB%B3%B4%EB%B3%B4%ED%98%B8?page=1"><span class="selected">1</span></a> <a class="next no-more-next">다음</a> </div> <!--end--> </article> <aside id="aside" class="sidebar"> <div 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