Data conversion system for protecting software against...

Details Data conversion system for protecting software against... Data conversion system for protecting software against...

2004-06-01

2008-10-28

Peeso, Thomas R (Department: 2132)

Electrical computers and digital processing systems: support

Computer program modification detection by cryptography

C713S190000, C713S191000, C713S193000

Reexamination Certificate

active

07444520

ABSTRACT:
An execution system including a loader which (i) causes an error in a program which has been started within a range in which the caused error is correctable based on an error correcting code, and (ii) loads the program, in which the error is caused, into a main memory. Further, the execution system includes a processor which simultaneously corrects the error and executes the program.

REFERENCES:
patent: 11-25000 (1999-01-01), None
D. Aucsmith, et al., “Protecting Software Against Inverse Analysis and Tampering”,Nikkei Electronics,No. 706, Jan. 5, 1998 (w/verified English Re-translation).
Hironaka Heisuke, “Encyclopedia of Mathematical Sciences”, Osaka Shoseki Co., Ltd., Mar. 10, 1991 (Partial Translation).

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