Title:
INFORMATION PROCESSING DEVICE, CONTROL METHOD THEREFOR, AND PROGRAM
Document Type and Number:
Japanese Patent JP2021140601
Kind Code:
A
Abstract:
To provide a mechanism for restoring a system without exchanging hardware when the validity of a program is not verified even in the case that information cannot be acquired through a network.SOLUTION: An information processing device sequentially starts a plurality of modules following a start of a boot program, and has a verification function for verifying the validity of a program to be executed by each module and stopping the information processing device in the case of failing in the verification. Also, the information processing device sets the validation of the verification function, and generates a device release key to start a restoration mode for restoring the stopped information processing device when the verification function is validated.SELECTED DRAWING: Figure 4
Inventors:
NAKANE HIROYUKI
Application Number:
JP2020039215A
Publication Date:
September 16, 2021
Filing Date:
March 06, 2020
Export Citation:
Assignee:
CANON KK
International Classes:
G06F21/57; G06F9/4401; G06F21/62
Attorney, Agent or Firm:
Patent Business Corporation Otsuka International Patent Office