[转载]Graphical Passwords —— A Survey
信息来源：邪恶八进制信息安全团队（[url]www.eviloctal.com[/url]）In this paper, we conduct a comprehensive survey of the existing graphical password techniques. We classify these techniques into two categories: recognition-based and recall-based approaches. We discuss the strengths and limitations of each method and point out the future research directions in this area. We also try to answer two important questions: “Are graphical passwords as secure as text-based passwords?”; “What are the major design and implementation issues for graphical passwords?” This survey will be useful for information security researchers and practitioners who are interested in finding an alternative to text-based authentication methods.
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