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Patent Searching and Data


Title:
PROGRAM, DEVICE AND ACTIVATION METHOD
Document Type and Number:
Japanese Patent JP2020140665
Kind Code:
A
Abstract:
To provide a program or the like that can appropriately ensure the safety at the time of activating a device.SOLUTION: The program allows a device to execute processing of, when the device is activated, expanding a normal area and a secure area in which access from the normal area is restricted into a temporary storage area, storing, in the secure area, a reference value representing the program which is allowed to be activated in the normal area, and, when the program is activated in the normal area, calculating a verification value representing the program, and determining whether or not the program should be activated by collating the verification value with the reference value in the secure area.SELECTED DRAWING: Figure 5

Inventors:
UEMURA YOSHIAKI
NAKAMURA RYOTA
Application Number:
JP2019037963A
Publication Date:
September 03, 2020
Filing Date:
March 01, 2019
Export Citation:
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Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
G06F21/57
Attorney, Agent or Firm:
Hideno Kono
Nobuo Kono