Method and apparatus to provide authentication using an...

Details Method and apparatus to provide authentication using an... Method and apparatus to provide authentication using an...

2006-03-14

2008-03-25

Lee, Michael G. (Department: 2876)

Registers

Systems controlled by data bearing records

Credit or identification card systems

C235S380000, C705S067000

Reexamination Certificate

active

07347366

ABSTRACT:
A method and apparatus to provide authentication. The method comprising sending a challenge to a user to be authenticated, the challenge including a reference on a card issued to the user and receiving a user-supplied value purported by the user to be associated with the reference on the card issued to the user. The method further comprising accessing a secret key associated with the card issued to the user and generating a password using a function F of the secret key and the reference. The method further comprising mapping the function F to a value in an alphabet and authenticating the user by comparing the value in the alphabet to the user-supplied value.

REFERENCES:
patent: 5712627 (1998-01-01), Watts
patent: 2006/0031174 (2006-02-01), Steinmetz
patent: 2006/0266822 (2006-11-01), Kelley et al.
Securing What's At Risk: a Common Sense Approach to Strong Authenrication. Entrust, Inc. 2005.

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