AES 암호화를 이용한 파일 보호 기법
(File Protection Technique using AES Encryption)
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초록
점점 다양해지는 업무환경과 점차 지능화 되고 있는 사이버 공격 상황에서 기존의 경계 위주의 데이터 보안은 더 이상 효과적이지 않다. 특히 개인정보와 같은 민감한 정보는 암호화하여 저장하거나 전송하여 권한이 인가된 사용자만이 접근할 수 있게 해야 한다. 본 논문에서는 가장 보안성이 뛰어난 AES 대칭키 암호 알고리즘과 SHA-512 기반 해시 알고리즘을 이용하여, 컴퓨터 시스템 내부에 저장된 중요 파일에 대한 암호화 및 복호화 과정의 고유키를 생성하여 기밀성을 제공하도록 하였다. 이를 토대로 생성된 고유키와 시스템키를 비교하여 인가된 사용자만이 안전하게 파일 접근을 보장하는 AES 암호화 파일 기법을 구현한다.
Abstract
In an increasingly diverse work environment and increasingly intelligent cyber-attacks, the existing perimeter-based data security is no longer effective. In particular, sensitive information such as personal information should be encrypted and stored or transmitted so that only authorized users can access it. In this paper, we use the most secure AES symmetric key encryption algorithm and SHA-512-based hash algorithm to generate a unique key for the encryption and decryption process of important files stored in a computer system to provide confidentiality. Based on this, we implement an AES encryption file technique that ensures that only authorized users can safely access files by comparing the generated unique key with the system key.
참고문헌 (12)
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