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패스워드 추정 공격에 강인한 스마트 기기용 순환식 키패드
탁동길(Dongkil Tak),최동민(Dongmin Choi) 한국멀티미디어학회 2016 멀티미디어학회논문지 Vol.19 No.8
In recent years, researches of security threats reported that various types of social engineering attack were frequently observed. In this paper, we propose secure keypad scheme for mobile devices. In our scheme, every edge of keypad is linked each other, and it looks like a sphere. With this keypad, users input their password using pre-selected grid pointer. Because of circulation of the keypad layout, even though the attacker snatch the user password typing motion through the human eyes or motion capture devices, attacker do not estimate the original password. Moreover, without the information of grid pointer position, the attacker do not acquire original password. Therefore, our scheme is resistant to password guessing attack.