Protection of the execution of a program

Details Protection of the execution of a program Protection of the execution of a program

2011-05-10

2011-05-10

Fennema, Robert (Department: 2183)

Electrical computers and digital processing systems: processing

Instruction fetching

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C717S130000

Reexamination Certificate

active

07941639

ABSTRACT:
A method for protecting the execution of a main program against possible traps, including, on occurrence of an instruction from the main program, starting a time counter of a given count according to next instructions of the main program, and executing, once the counter has reached its count, at least one instruction of a secondary program from which the result of the main program depends.

REFERENCES:
patent: 5408643 (1995-04-01), Katayose
patent: 2005/0041809 (2005-02-01), Fischer et al.
patent: 2005/0229164 (2005-10-01), Giraud
patent: 2 707 409 (1995-01-01), None
Foldoc. “Program” definition. Jul. 21, 2002. Obtained via http://foldoc.org/program.
French Search Report from French Patent Application 05/52047, filed Jul. 5, 2005.

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