Data processing device, method of same, and program of same

Details Data processing device, method of same, and program of same Data processing device, method of same, and program of same

2004-03-04

2010-02-16

Barron, Jr., Gilberto (Department: 2432)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C380S044000

Reexamination Certificate

active

07664953

ABSTRACT:
A data processing device, in a system performing authentication among a plurality of storage device (IC cards etc.), able to maintain security of authentication at other device even when secrecy of key data held by part of the devices is lost, wherein a key generation unit generates individual key data unique to an IC card based on identification data unique to the IC cards received from the ICs of the IC cards and a card processing unit performs mutual authentication with the IC based on the individual key data.

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patent: 2002/0094088 (2002-07-01), Okaue
patent: 2002/0111133 (2002-08-01), Wittkotter
patent: 2002/0152387 (2002-10-01), Asano
patent: 9-319845 (1997-12-01), None
patent: 2003-141460 (2003-05-01), None
U.S. Appl. No. 10/792,574, filed Mar. 4, 2004, Tateno et al.
U.S. Appl. No. 10/791,760, filed Mar. 4, 2004, Sueyoshi et al.
“Computer Security Symposium 2000 (CSS 2000)”, Information Processing Processing Society of Japan Symposium Series, vol. 2000, No. 12, Oct. 26, 2000, 8 Pages.

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