System and method for protection of data contained in an...

Details System and method for protection of data contained in an... System and method for protection of data contained in an...

2006-04-11

2010-10-05

Le, Thien Minh (Department: 2887)

Registers

Systems controlled by data bearing records

Credit or identification card systems

C235S375000, C235S382000, C235S451000, C235S492000, C711S163000, C711S164000

Reexamination Certificate

active

07806319

ABSTRACT:
A method and a circuit for protecting an integrated circuit against an extraction of data read from at least one memory, comprising the steps of comparing each data word to be output from the integrated circuit with at least one value stored in this circuit, and generating an error signal in case of an identity between the value and the data waiting to be output.

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patent: 6792528 (2004-09-01), Hou
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patent: 2003/0200448 (2003-10-01), Foster et al.
patent: WO 99/35554 (1999-07-01), None
patent: WO 2005/027462 (2005-03-01), None
French Search Report, FR0550924, Feb. 14, 2006.
Hagai, Bar, et al., The Sorcerer's Apprentice Guide to Fault Attacks, [Online], XP002329915, May 7, 2004.
Heidelberg, Ralph, LCD Module Technical Reference (FAQ), [Online], XP002346546, Feb. 18, 2001.
8051+LCD+EPROM, [Online], XP002346547, URL:http:??www.ustr.met/lcd001.shtml, Sep. 23, 2005.

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