Title:
DATA PROVISION SYSTEM, DATA SECURITY DEVICE, DATA PROVISION METHOD, AND COMPUTER PROGRAM
Document Type and Number:
WIPO Patent Application WO/2018/029905
Kind Code:
A1
Abstract:
A data provision system that comprises: a data provision device; and a data security device that is installed in a vehicle. The data provision device comprises: a vehicle interface that transmits/receives data to/from the vehicle; and an encryption processing unit that uses a secret key for the data provision device to generate an electronic signature for application data that is to be applied by an on-board computer that is installed in the vehicle. The data provision device transmits electronically-signed application data, which is the application data with the electronic signature attached thereto, to the vehicle by means of the vehicle interface. The data security device comprises: an interface unit that transmits/receives data to/from a device that is external to the data security device; and an encryption processing unit that uses an open key for the data provision device to verify the electronic signature of the electronically-signed application data as received from the data provision device by means of the interface unit. The data security device transmits application data for which the electronic signature has been successfully verified to the on-board computer by means of the interface unit.
Inventors:
TAKEMORI KEISUKE (JP)
MIZOGUCHI SEIICHIRO (JP)
KUBOTA AYUMU (JP)
MIZOGUCHI SEIICHIRO (JP)
KUBOTA AYUMU (JP)
Application Number:
PCT/JP2017/014794
Publication Date:
February 15, 2018
Filing Date:
April 11, 2017
Export Citation:
Assignee:
KDDI CORP (JP)
International Classes:
H04L9/32; G06F21/64; H04L9/08
Domestic Patent References:
| WO2015186829A1 | 2015-12-10 |
Foreign References:
| JP2015103163A | 2015-06-04 | |||
| JP2014143568A | 2014-08-07 | |||
| JP2016158120A | 2016-09-01 |
Other References:
KEISUKE TAKEMORI ET AL.: "Key Managements for ECU and Code Authentications Using Tamper- resistant Secure Element", IEICE TECHNICAL REPORT, vol. 115, no. 365, 10 December 2015 (2015-12-10), pages 227 - 232, XP055586088
KEISUKE TAKEMORI: "In-vehicle Network Security Using Secure Elements: Discussion of Security Technologies", INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS, TECHNICAL REPORT, vol. 114, no. 508, March 2015 (2015-03-01), pages 73 - 78, XP009508594
"AN4240 Application note", STMICROELECTRONICS, 3 August 2016 (2016-08-03), Retrieved from the Internet
"Road vehicles Unified diagnostic services (UDS) Part 1: Specification and requirements", 15 March 2013, INTERNATIONAL STANDARD
See also references of EP 3499793A4
KEISUKE TAKEMORI: "In-vehicle Network Security Using Secure Elements: Discussion of Security Technologies", INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS, TECHNICAL REPORT, vol. 114, no. 508, March 2015 (2015-03-01), pages 73 - 78, XP009508594
"AN4240 Application note", STMICROELECTRONICS, 3 August 2016 (2016-08-03), Retrieved from the Internet
"Road vehicles Unified diagnostic services (UDS) Part 1: Specification and requirements", 15 March 2013, INTERNATIONAL STANDARD
See also references of EP 3499793A4
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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