Data authentication system

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C713S187000, C713S193000, C713S194000, C380S200000, C380S201000, C380S202000, C380S203000, C726S026000, C726S027000, C726S028000, C726S029000, C726S030000

Reexamination Certificate

active

09937120

ABSTRACT:
A data processing system, apparatus and method are provided to verify and validate data. Cryptographic processes employ keys to encrypt the data, check the data and prevent tampering with the data. The data may include header information such as compressed contents or an expansion processing program used to process the data.

REFERENCES:
patent: 5065429 (1991-11-01), Lang
patent: 5199073 (1993-03-01), Scott
patent: 5396558 (1995-03-01), Ishiguro et al.
patent: 5446796 (1995-08-01), Ishiguro et al.
patent: 5450489 (1995-09-01), Ostrover et al.
patent: 5502765 (1996-03-01), Ishiguro et al.
patent: 5523641 (1996-06-01), Yatsuda et al.
patent: 5546461 (1996-08-01), Ibaraki et al.
patent: 5625693 (1997-04-01), Rohatgi et al.
patent: 5673319 (1997-09-01), Bellare et al.
patent: 5680587 (1997-10-01), Bodo et al.
patent: 5715403 (1998-02-01), Stefik
patent: 5915024 (1999-06-01), Kitaori et al.
patent: 5917910 (1999-06-01), Ishiguro et al.
patent: 6011849 (2000-01-01), Orrin
patent: 6055236 (2000-04-01), Nessett et al.
patent: 6163647 (2000-12-01), Terashima et al.
patent: 6253193 (2001-06-01), Ginter et al.
patent: 6589535 (2003-07-01), Castelli et al.
patent: 6898709 (2005-05-01), Teppler
patent: 6915434 (2005-07-01), Kuroda et al.
patent: 2002/0077177 (2002-06-01), Elliott
patent: 2002/0176575 (2002-11-01), Qawami et al.
patent: 0 789 361 (1997-08-01), None
patent: 0 798 892 (1997-10-01), None
patent: 0 802 535 (1997-10-01), None
patent: 0 851 418 (1998-07-01), None
patent: 0 886 409 (1998-12-01), None
patent: 0 989 557 (2000-03-01), None
patent: 1 039 462 (2000-09-01), None
patent: 2772532 (1999-06-01), None
patent: 2772532 (1999-06-01), None
patent: 3-151738 (1991-06-01), None
patent: 06-289782 (1994-10-01), None
patent: 9-106429 (1997-04-01), None
patent: 10-3257 (1998-01-01), None
patent: 10-126406 (1998-05-01), None
patent: 10-164508 (1998-06-01), None
patent: 10-187826 (1998-07-01), None
patent: 10-283268 (1998-10-01), None
patent: 10-283280 (1998-10-01), None
patent: 11-008618 (1999-01-01), None
patent: 2000-181803 (2000-06-01), None
patent: 2000-196582 (2000-07-01), None
patent: 2000-285026 (2000-10-01), None
patent: 2000-330870 (2000-11-01), None
patent: 2000-341265 (2000-12-01), None
patent: WO-97/43761 (1997-11-01), None
patent: WO-99/38164 (1999-07-01), None
patent: WO-99/40702 (1999-08-01), None
patent: WO-99/50992 (1999-10-01), None
patent: WO-99/55055 (1999-10-01), None
patent: WO-00/49764 (2000-08-01), None
Shinichi Ikeno, et al., “Gendai Angou Riron”, (the 3rdprinting), Zaidan Houjin, Denshi Jouhou Tsushin Gakkai, May 20, 1989 chapter 12, Digital Shomei no (2); Ninshoushi Shougou hou pp. 223-225.
Eiji Okamoto, “Angou Riron Numon” (the 1stprinting), Kyouritsu Shuppan K.K., Feb. 25, 1993 chapter 6; Angoukagi Haisou Kanri Houshiki to Himitsu Jouhou Bunsan Houshiki (3); Kanri Bunsan gata Kagi Haisou Houshiki, “Mutsushin Type” deno “Taishou Kagi Seisei Housiki” pp. 118-119.
W. Ford, “Computer Communications Security: Integrity Check-Values (Seals)”, Computer Communications Security, 1994, pp. 75-77, 116-117.
European Search Report, EP 05 07 7294, Dated Jul. 20, 2006.
Bloom, Jeffrey et al, “Copy Protection for DVD Video”, Proceedings of the IEEE, New York, vol. 87, No. 7, Jul. 1999.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Data authentication system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Data authentication system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Data authentication system will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3909433

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.