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- Title
Test for Detection of Weak Graphic Passwords in Passpoint Based on the Mean Distance between Points †.
- Authors
Herrera-Macías, Joaquín Alberto; Legón-Pérez, Carlos Miguel; Suárez-Plasencia, Lisset; Piñeiro-Díaz, Luis Ramiro; Rojas, Omar; Sosa-Gómez, Guillermo; Meng, Weizhi; Kambourakis, Georgios; Shao, Jun
- Abstract
This work demonstrates the ineffectiveness of the Ripley's K function tests, the distance to the nearest neighbor, and the empty space function in the Graphical Authentication scenario with Passpoint for the detection of non-random graphical passwords. The results obtained show that none of these tests effectively detect non-random graphical passwords; the reason for their failure is attributed to the small sample of the spatial pattern in question, where only the five points of the graphical password are analyzed. Consequently, a test based on mean distances is proposed, whose experiments show that it detects with good efficiency non-random graphical passwords in Passpoint. The test was designed to be included in the Graphical Authentication systems with Passpoint to warn the user about a possibly weak password during the registration phase, and in this way, the security of the system is increased.
- Subjects
COMPUTER passwords; FUNCTION spaces; DISTANCES; SECURITY systems; TEST design; ACCESS control
- Publication
Symmetry (20738994), 2021, Vol 13, Issue 5, p777
- ISSN
2073-8994
- Publication type
Article
- DOI
10.3390/sym13050777