Electrical computers and digital processing systems: support – Data processing protection using cryptography – Tamper resistant
Reexamination Certificate
2006-12-05
2006-12-05
Moazzami, Nasser (Department: 2136)
Electrical computers and digital processing systems: support
Data processing protection using cryptography
Tamper resistant
C713S189000, C714S055000
Reexamination Certificate
active
07146509
ABSTRACT:
Before a predetermined processing sequence, the integrated circuit detects the state of at least one timer. The circuit controls the activation of the timer if it is not activated, and disables itself if the timer is activated.
REFERENCES:
patent: 4317180 (1982-02-01), Lies
patent: 4742215 (1988-05-01), Daughters et al.
patent: 4769765 (1988-09-01), Green
patent: 4777662 (1988-10-01), Nakata
patent: 4811288 (1989-03-01), Kleijne et al.
patent: 4881263 (1989-11-01), Herbison et al.
patent: 4882752 (1989-11-01), Lindman et al.
patent: 4924513 (1990-05-01), Herbison et al.
patent: 4965828 (1990-10-01), Ergott, Jr. et al.
patent: 5014191 (1991-05-01), Padgaonkar et al.
patent: 5027397 (1991-06-01), Double et al.
patent: 5065429 (1991-11-01), Lang
patent: 5159629 (1992-10-01), Double et al.
patent: 5243647 (1993-09-01), Parikh et al.
patent: 5249294 (1993-09-01), Griffin et al.
patent: 5388267 (1995-02-01), Chan et al.
patent: 5437021 (1995-07-01), David et al.
patent: 5454114 (1995-09-01), Yach et al.
patent: 5469557 (1995-11-01), Salt et al.
patent: 5497462 (1996-03-01), Schrenk
patent: 5513133 (1996-04-01), Cressel et al.
patent: 5519843 (1996-05-01), Moran et al.
patent: 5544246 (1996-08-01), Mandelbaum et al.
patent: 5563799 (1996-10-01), Brehmer et al.
patent: 5742530 (1998-04-01), Gressel et al.
patent: 5880523 (1999-03-01), Candelore
patent: 5944833 (1999-08-01), Ugon
patent: 5949160 (1999-09-01), Anderson et al.
patent: 5978912 (1999-11-01), Rakavy et al.
patent: 5999983 (1999-12-01), Ichimi et al.
patent: 6236197 (2001-05-01), Holdsclaw et al.
patent: 6246970 (2001-06-01), Silverbrook et al.
patent: 6249869 (2001-06-01), Drupsteen et al.
patent: 6269392 (2001-07-01), Cotichini et al.
patent: 6292045 (2001-09-01), Bongiorno et al.
patent: 6292898 (2001-09-01), Sutherland
patent: 6307480 (2001-10-01), Sheldon et al.
patent: 6357007 (2002-03-01), Cromer et al.
patent: 6507913 (2003-01-01), Shamir
patent: 6587966 (2003-07-01), Chaiken et al.
patent: 6618810 (2003-09-01), Dirie
patent: 6625741 (2003-09-01), Post et al.
patent: 6749115 (2004-06-01), Gressel et al.
patent: 6839849 (2005-01-01), Ugon et al.
patent: 2001/0047480 (2001-11-01), Tanimoto et al.
patent: 1 022 683 (2000-07-01), None
patent: 00/42484 (2000-07-01), None
Adi Shamir, Protecting Smart Cards from Passive Power Analysis with Detached Power Supplies, Lecture Notes in Computer Science, vol. 1965, Jan. 2000, p. 71.
M. Anwar Hasan, Power Analysis Attacks and Algorithmic Approaches to their Countermeasures for Koblitz Curve Cryptosystems, Lecture Notes in Computer Science, vol. 1965, Jan. 2000, p. 93.
Christophe Clavier, Jean-Sébastien Coron, Nora Dabbous, Differential Power Analysis in the Presence of Hardware Countermeasures, Lecture Notes in Computer Science, vol. 1965, Jan. 2000, p. 252.
Louis Goubin, Jacques Patarin, DES and Differential Power Analysis, Lecture Notes in Computer Science, vol. 1717, Jan. 1999, p. 158.
Thomas S. Messerges et al., Investigations of Power Analysis Attacks on Smartcards, Proceedings of USENIX Workshop on Smartcard Technology, May 1999, pp. 151-161.
Marinet Fabrice
Wuidart Sylvie
Allen Dyer Doppelt Milbrath & Gilchrist, P.A.
Cervetti David Garcia
Jorgenson Lisa K.
Moazzami Nasser
STMicroelectronics SA
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