Method of authentication using familiar photographs

Details Method of authentication using familiar photographs Method of authentication using familiar photographs

2007-02-06

2007-02-06

Arani, Taghi T. (Department: 2131)

Electrical computers and digital processing systems: support

System access control based on user identification by...

C713S168000, C726S002000

Reexamination Certificate

active

10293007

ABSTRACT:
Authenticating a user operating an un-trusted access device includes causing the display, on the un-trusted access device, of a plurality of photographs to the user, at least one of the photographs being from the user's personal photograph collection and already familiar to the user, remaining photographs being decoy photographs, accepting an input selection from the user identifying one of the displayed photographs, and allowing access when the user's selection correctly identifies a sequence of displayed photographs from the user's photograph collection. No user training prior to using the authentication system is needed and no pre-selection of a password or photograph is necessary.

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Dhamija et al., “Deja Vu: A User Study Using Images for Authentication,” Proceedings of the 9th USENIX Security Symposium, USENIX Association, Aug. 14-17, 2000, pp. 1-15, Denver, Colorado, USA.
“PKI and Passfaces—Synergistic or Competitive?,” Real User Personal Authentication Online, Real User Corporation, Oct. 2001, pp. 1-14, Washington, D.C., USA.

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