Title:
ELECTRONIC CONTROL DEVICE, PROGRAM TAMPERING DETECTION METHOD, PROGRAM FOR PROGRAM TAMPERING DETECTION METHOD, AND COMPUTER READABLE PERMANENT TANGIBLE RECORDING MEDIUM
Document Type and Number:
WIPO Patent Application WO/2019/012952
Kind Code:
A1
Abstract:
This electronic control device comprises: a storage unit (11, 15) which stores a plurality of divided programs obtained by dividing a program, and a verification authenticator; an encryption computing unit (12, 13, 30, 224) which generates partial authenticators for each of the plurality of divided programs by means of an encryption computation; and a verification unit (14, 30, 224) which generates a computed authenticator by performing a logical operation using the plurality of partial authenticators, and verifies tampering of the program in accordance with whether or not the verification authenticator and the computed authenticator match.
Inventors:
SHIDAI TAKAHIRO (JP)
SATOH YUSUKE (JP)
SATOH YUSUKE (JP)
Application Number:
PCT/JP2018/023808
Publication Date:
January 17, 2019
Filing Date:
June 22, 2018
Export Citation:
Assignee:
DENSO CORP (JP)
TOYOTA MOTOR CO LTD (JP)
TOYOTA MOTOR CO LTD (JP)
International Classes:
G06F21/64; G06F21/12; G09C1/00; H04L9/32
Domestic Patent References:
| WO2016185577A1 | 2016-11-24 |
Foreign References:
| JP2017509082A | 2017-03-30 | |||
| JP2015090682A | 2015-05-11 |
Attorney, Agent or Firm:
JIN Shunji (JP)
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