Device and method for user identification check based on...

Details Device and method for user identification check based on... Device and method for user identification check based on...

2006-06-06

2006-06-06

Jung, David Y. (Department: 2134)

Data processing: financial, business practice, management, or co

Business processing using cryptography

Secure transaction

C705S075000, C713S182000

Reexamination Certificate

active

07058613

ABSTRACT:
A device for checking user identification includes a calculation unit which calculates a check value by applying a user-specific formula to a randomly generated number, and a matching unit which checks if the check value matches a user-entered value that is entered by a user in response to the randomly generated number presented to the user.

REFERENCES:
patent: 5163097 (1992-11-01), Pegg
patent: 5604489 (1997-02-01), Hyatt, Jr.
patent: 5754652 (1998-05-01), Wilfong
patent: 63-170764 (1988-07-01), None

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