Computer system, central unit, and program execution method

Details Computer system, central unit, and program execution method Computer system, central unit, and program execution method

2011-01-04

2011-01-04

Moazzami, Nasser (Department: 2436)

Information security

Prevention of unauthorized use of data including prevention...

C726S016000, C713S165000, C713S167000, C713S187000, C713S189000, C380S059000, C326S008000, C711S163000

Reexamination Certificate

active

07865961

ABSTRACT:
In a program execution method in which a program to be executed is stored in a central unit and a terminal unit acquires the program from the central unit and executes the program, when the central unit receives an acquisition request from the terminal unit, it creates a load module different from the program, which produces the same computation results and differs in the location where essential information is to be embedded, and transmits the load module to the terminal unit together with the essential information necessary for executing the program. The terminal unit receives the program, stores the program on a memory, and executes the program based on the embedded essential information. This method makes it difficult for malicious third parties to illegally execute the program by reverse analysis, and enhances the security of the load module to be executed.

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Japanese Office Action mailed Feb. 16, 2010 and issued in corresponding Japanese Patent Application 2004-046291.

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