[Resource Topic] 2003/168: Robust discretization, with an application to graphical passwords

Welcome to the resource topic for 2003/168

Robust discretization, with an application to graphical passwords

Authors: Jean-Camille Birget, Dawei Hong, Nasir Memon


When data or the processing on the data have some uncertainty, discretization of those data can lead to significantly different output.
For example, in certain graphical password schemes, a slight
uncertainty in the clicking places can produce a different password.
We present a discretization method, called robust discretization,
which gives stable outputs in the presence of uncertainties.

Robust discretization enables us to implement graphical password schemes
that are much more flexible and versatile than previously know ones.

ePrint: https://eprint.iacr.org/2003/168

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