Abstract

클라이언트 서버 환경하에서 정당한 클라이언트를 인증하고 시스템 자원들을 보호하는 일은 매우 중요한 이슈 중에 하나이다. 즉, 인가받지 않은 사용자들에 의해 시스템이 보안 공격을 막아내기 위해서는 사용자의 아이디와 패스워드로는 불충분하다. 본 논문에서는 클라이언트 인증키와 서버 인증키를 사용하는 안전한 데이터베이스 인증모델을 제안하였다. 제안모델은 2개의 인증키를 사용하여 보안성을 높이고자 하였는데, 클라이언트와 서버간 데이타베이스 트랜잭션을 처리할 때 서로의 인증 패스워드를 관리하여 사용자의 별도의 입력 작업 없이 사용자 패스워드에 더하여 인증패스워드를 사용함으로써 시스템의 보안성을 높여줄 수 있는 안전한 인증모델을 제시하고자 하였다. It is very important issues to protect many system resources using authorized client authentication in distributed client server systems. So it is not enough to prevent unauthorized opponents from attacking our systems that client authentication is performed using only the client's identifier and password. In this paper, we propose a secure authentication database modeling with two authentication keys such as a client authentication key and a server authentication key. The proposed authentication model can be used making high quality of computer security using two authentication keys during transaction processing. The two authentication keys are created by client and server, and are used in every request transaction without user's extra input. Using the proposed authentication keys, we can detect intrusion during authorized client's transaction processing because we can know intrusion immediately through comparing stored authentication keys in client server systems when hackers attack our network or computer systems.

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