On User Choice in Graphical Password Schemes

  title={On User Choice in Graphical Password Schemes},
  author={Darren Davis and Fabian Monrose and Michael K. Reiter},
  booktitle={USENIX Security Symposium},
Graphical password schemes have been proposed as an alternative to text passwords in applications that support graphics and mouse or stylus entry. In this paper we detail what is, to our knowledge, the largest published empirical evaluation of the effects of user choice on the security of graphical password schemes. We show that permitting user selection of passwords in two graphical password schemes, one based directly on an existing commercial product, can yield passwords with entropy far… CONTINUE READING
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