The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 28, 2010
Filed:
Feb. 24, 2004
Eiji Hasegawa, Kawasaki, JP;
Fumio Honda, Kawasaki, JP;
Eiji Hasegawa, Kawasaki, JP;
Fumio Honda, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
An information processing apparatus has: a memory; CPU for executing a program written in the memory; a secure module; and storage means for storing a plurality of encrypted programs into which a program is divided. The CPU transmits the program stored in the storage means to the secure module. The secure modulehas: means for receiving the program stored in the storage means, means for returning the received program to an executable state; means for writing the program, which has been returned to the executable state, in the memoryin a sequence for CPU to execute, and means for deleting the program from the memoryby CPU after execution is completed. When executing the program, the information processing apparatus can make reverse analysis by a malicious third party difficult, and enhance security of a load module to be executed.