Blocking of the operation of an integrated circuit

Details Blocking of the operation of an integrated circuit Blocking of the operation of an integrated circuit

2002-11-26

2008-11-04

Zand, Kambiz (Department: 2134)

Electrical computers and digital processing systems: support

Data processing protection using cryptography

By stored data protection

C713S189000, C711S163000, C711S164000, C726S001000, C726S002000, C726S026000

Reexamination Certificate

active

07447916

ABSTRACT:
A method and a system for blocking an integrated circuit after detection of an attempt of unauthorized access to information that it contains, in which a first program of generation of a second program to be executed in a random access memory of the integrated circuit is executed, the second program including several instruction sequences and each sequence ending with a branching to another sequence; and the second program is executed.

REFERENCES:
patent: 5249294 (1993-09-01), Griffin, III et al.
patent: 5448045 (1995-09-01), Clark
patent: 5675645 (1997-10-01), Schwartz et al.
patent: 5944833 (1999-08-01), Ugon
patent: 6311273 (2001-10-01), Helbig et al.
patent: 2002/0166067 (2002-11-01), Pritchard et al.
French Search Report from French Patent Application No. 01/15361, filed Nov. 28, 2001.

Affiliated with

Also associated with

Rating

Blocking of the operation of an integrated circuit does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Blocking of the operation of an integrated circuit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Blocking of the operation of an integrated circuit will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4036734