Title:
PROGRAM EXECUTION CONTROL DEVICE AND PROGRAM EXECUTION CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2005/114353
Kind Code:
A1
Abstract:
There are provided a program execution control device and a program execution control method capable of preventing execution of a program when it is rewritten into an unauthorized program after inspection and easily checking when the program has been rewritten into the unauthorized program. The program execution control device includes: a flash memory (101) for storing a program; a condition detection unit (103) for detecting the inspection moment for inspecting presence/absence of falseness of the program; a falseness inspection unit (104) for inspecting presence/absence of the falseness at the inspection moment; an execution control unit (105) for controlling whether to execute the program; and a CPU (102) for executing the program according to the result of the execution control unit (105).
Inventors:
TAKAGI SHIGEYA
MATSUMOTO HIDETAKA
MATSUMOTO HIDETAKA
Application Number:
PCT/JP2005/008779
Publication Date:
December 01, 2005
Filing Date:
May 13, 2005
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD (JP)
TAKAGI SHIGEYA
MATSUMOTO HIDETAKA
TAKAGI SHIGEYA
MATSUMOTO HIDETAKA
International Classes:
G06F1/00; G06F12/14; G06F21/12; G06F21/64; (IPC1-7): G06F1/00; G06F12/14
Domestic Patent References:
| WO2005057904A2 | 2005-06-23 |
Foreign References:
| JP2004103027A | 2004-04-02 | |||
| JPH11232176A | 1999-08-27 |
Attorney, Agent or Firm:
Takamatsu, Takeshi (7-13 Nishi-Shimbashi 1-chom, Minato-ku Tokyo 03, JP)
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