한국통신학회논문지 (The Journal of Korean Institute of Communications and Information Sciences)

한국통신학회 (The Korean Institute of Commucations and Information Sciences)
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스마트 기기를 이용한 안전한 QR-Login 사용자 인증 프로토콜의 설계 및 중요 정보의 안전성 보증을 위한 방법

A Design Secure QR-Login User Authentication Protocol and Assurance Methods for the Safety of Critical Data Using Smart Device

  • 투고 : 2012.06.30
  • 심사 : 2012.09.07
  • 발행 : 2012.10.30
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초록

최근 악성코드 및 바이러스 등으로 사용자 PC가 위협받고 있다. 특히, 제로데이 공격 등 알려지지 않은 공격들이 끊임없이 나오고 있어, 사용자 PC는 더 이상 안전하다고 확신하기 어려운 환경이 되었다. 따라서 인터넷 서비스의 이용에 있어서, 안전성이 보장되지 않은 PC를 이용하는 사용자가 기존의 인증 프로토콜을 이용하여 사용자를 인증할 경우, 인증 정보의 도난 및 중간자 공격 등 다양한 위협을 받을 수 있다. 또한 메모리 해킹등과 같은 공격을 당할 경우, 사용자는 자신의 PC가 감염되었는지 인지하기조차 어려운 상황에 놓이게 된다. 따라서 본 논문은 QR-Code와 통신기능이 가능한 스마트 기기를 활용한 안전한 QR-Login 사용자 인증 프로토콜을 설계하고, 인터넷 서비스 이용 시 중요정보의 안전성 보증을 위한 방법을 제안한다. 제안된 방법을 통하여 사용자는 알려지지 않은 공격으로부터 PC가 위협받는 경우에도 사용자의 중요정보를 보호할 수 있고, 금융거래와 같은 민감한 거래 시에도 안전하게 거래를 할 수 있다.

Our PC have been under constant threat of malicious codes and viruses today. As many new ways of cyber attacks are being developed, such as zero-day-attack, nobody's PC is guaranteed to be safe from the attacks. In case where a user uses the existing verification protocol on a unsecured PC, the user's verification information may well be threatened by sniffing or man-in-the-middle attack. Especially, deadly attacks like memory hacking would give hard time for users to even recognize any symptom of virus infection. Therefore, this paper designs secured QR-Login user verification protocol for smart devices that are ready to communicate with QR-Code and proposes a way to keep critical data safe when using the internet. This way, user would be able to safeguard his/her critical data even when under attack by unknown attacks and safely carry out extremely sensitive task, like financial trading, on the device.

키워드

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