Weak PassPoint Passwords Detected by the Perimeter of Delaunay Triangles
L Suárez-Plasencia, CM Legón-Pérez… - Security and …, 2022 - Wiley Online Library
PassPoint is a graphical authentication technique that is based on the selection of five points
in an image. A detected vulnerability lies in the possible existence of a pattern in the points
that make up the password. The objective of this work is to detect nonrandom graphical
passwords in the PassPoint scenario. A spatial randomness test based on the average of
Delaunay triangles' perimeter is proposed, given the ineffectiveness of the classic tests in
this scenario, which only consists of five points. A state‐of‐the‐art of various applications of …
in an image. A detected vulnerability lies in the possible existence of a pattern in the points
that make up the password. The objective of this work is to detect nonrandom graphical
passwords in the PassPoint scenario. A spatial randomness test based on the average of
Delaunay triangles' perimeter is proposed, given the ineffectiveness of the classic tests in
this scenario, which only consists of five points. A state‐of‐the‐art of various applications of …
[引用][C] Weak passpoint passwords detected by the perimeter of Delaunay triangles
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