Multiple choice challenge-response user authorization system...

Details Multiple choice challenge-response user authorization system... Multiple choice challenge-response user authorization system...

2004-01-30

2009-12-22

Vu, Kimyen (Department: 2435)

Electrical computers and digital processing systems: support

System access control based on user identification by...

Using record or token

C726S004000, C726S017000

Reexamination Certificate

active

07636855

ABSTRACT:
A user authentication system includes a dialogue manager adapted to prompt the user with multiple, selectable pass-phrases. A selection recognizer recognizes user selection of at least one of the multiple, selectable pass-phrases. A user identity analysis module analyzes one or more potential user identities based on adherence of user selection of the pass-phrase to predetermined pass-phrase selection criteria assigned one or more enrolled users.

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