Regeneration of a secret quantity from an intergrated...

Details Regeneration of a secret quantity from an intergrated... Regeneration of a secret quantity from an intergrated...

2011-05-10

2011-05-10

Brown, Christopher J (Department: 2439)

Electrical computers and digital processing systems: support

Data processing protection using cryptography

C380S277000

Reexamination Certificate

active

07941672

ABSTRACT:
A method and a circuit for generating a secret quantity based on an identifier of an integrated circuit, including combining a first digital word derived from a physical parameter network with a second word stored in a non-volatile memory element.

REFERENCES:
patent: 4529870 (1985-07-01), Chaum
patent: 4663500 (1987-05-01), Okamoto et al.
patent: 4783801 (1988-11-01), Kaule
patent: 4862501 (1989-08-01), Kamitake et al.
patent: 5036461 (1991-07-01), Elliott et al.
patent: 5227613 (1993-07-01), Takagi et al.
patent: 5363448 (1994-11-01), Koopman et al.
patent: 5436971 (1995-07-01), Armbrust et al.
patent: 5495419 (1996-02-01), Rostoker et al.
patent: 5680458 (1997-10-01), Spelman et al.
patent: 5734819 (1998-03-01), Lewis
patent: 5818738 (1998-10-01), Effing
patent: 5841866 (1998-11-01), Bruwer et al.
patent: 5903461 (1999-05-01), Rostoker et al.
patent: 5999629 (1999-12-01), Heer et al.
patent: 6073236 (2000-06-01), Kusakabe et al.
patent: 6097814 (2000-08-01), Mochizuki
patent: 6161213 (2000-12-01), Lofstrom
patent: 6209098 (2001-03-01), Davis
patent: 6230267 (2001-05-01), Richards et al.
patent: 6230270 (2001-05-01), Laczko, Sr.
patent: 6253223 (2001-06-01), Sprunk
patent: 6308256 (2001-10-01), Folmsbee
patent: 6317829 (2001-11-01), Van Oorschot
patent: 6408388 (2002-06-01), Fischer
patent: 6438718 (2002-08-01), Cline
patent: 6641050 (2003-11-01), Kelley et al.
patent: 6650753 (2003-11-01), Lotspiech et al.
patent: 6651170 (2003-11-01), Rix
patent: 6704872 (2004-03-01), Okada
patent: 6715078 (2004-03-01), Chasko et al.
patent: 6795837 (2004-09-01), Wells
patent: 6845450 (2005-01-01), Kobayashi et al.
patent: 7016924 (2006-03-01), Nakabe et al.
patent: 2001/0041593 (2001-11-01), Asada
patent: 2001/0055132 (2001-12-01), Oshima et al.
patent: 2003/0103628 (2003-06-01), Luc et al.
patent: 2003/0103629 (2003-06-01), Wuidart et al.
patent: 2004/0199736 (2004-10-01), Kamano et al.
patent: 2005/0021990 (2005-01-01), Liardet et al.
patent: 2005/0188218 (2005-08-01), Walmsley et al.
patent: 19843424 (2000-03-01), None
patent: 998073 (2000-05-01), None
French Search Report from priority French patent application No. 0115526, filed Nov. 30, 2002.
French Search Report from related French patent application No. 0115529, filed Nov. 30, 2001.
Menezes et al ,Handbook of Applied Cryptography, Handbook of Applied Cryptography, CRC Press Series on Discrete Mathematics and Its Applications, 1997 pp. 39-41, 203-208, 568 XP002217340.
Schneier, B.,Applied Cryptography, Applied Cryptography. Protocols Algorithms, and Source Code in C, 1996, pp. 381-384 XP002217341.
Search Report from French Patent Application No. 0115531, filed Nov. 30, 2001.

Affiliated with

Also associated with

Rating

Regeneration of a secret quantity from an intergrated... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Regeneration of a secret quantity from an intergrated..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Regeneration of a secret quantity from an intergrated... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2672670