A Graphical Password Scheme Based on Rounded Image Selection
SCIENCE OF CYBER SECURITY, SCISEC 2023(2023)
摘要
Graphical password is considered as an alternative to traditional textual password, but it also faces many threats such as shoulder-surfing attack. To design and build a more secure and robust graphical password system with the resistance to multiple attacks modalities, especially brute force attack, guessing attack and shoulder-surfing attack, it is important to avoid the credentials being captured in just one step, e.g., by adding several rounds of input. For example, with respect to shoulder-surfing attack resistance, the input design ought to incorporate a certain degree of fault tolerance, with the specific value determined based on the acceptable tolerance range. By integrating this fault tolerance characteristic, the system can effectively withstand shoulder-surfing attacks while preserving the integrity of the authentication procedure. In this work, we learn from the current literature and design a graphical password scheme based on rounded image selection (e.g., three rounds). We provide a detailed scheme design and perform a performance analysis via a user study. Our results indicate that our proposed scheme is viable and gets credit from the participants.
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关键词
Graphical Password,Password Security,Usability,Shoulder-surfing Attack,User Authentication,Image Selection
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