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Title:
VEHICLE DIGITAL-KEY SYSTEM, VEHICLE DIGITAL-KEY MANAGEMENT METHOD, VEHICLE DEVICE, AND PORTABLE TERMINAL
Document Type and Number:
WIPO Patent Application WO/2023/054297
Kind Code:
A1
Abstract:
In the present invention, a server, on the basis of a request from the portable terminal, issues a service key for using a designated vehicle and a plurality of one-time authentication keys, and transmits the service key and the authentication keys to the portable terminal. The one-time authentication keys are throwaway authentication keys generated on the basis of the service key, and have a set validity period. The one-time authentication keys are used up when the vehicle device authenticates the portable terminal as a communication partner. The portable terminal replaces the one-time authentication key held by the portable terminal as necessary.

Inventors:
MATSUSHITA SUGURU (JP)
KOCIECKI MAREK (FR)
WASILEWSKI MICHAL (FR)
LATER FILIP (FR)
LEWINSKI BARTLOMIEJ (FR)
Application Number:
PCT/JP2022/035811
Publication Date:
April 06, 2023
Filing Date:
September 27, 2022
Export Citation:
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Assignee:
DENSO CORP (JP)
IDEMIA FRANCE (FR)
International Classes:
G06F21/44; B60R25/24; H04L9/08; H04L9/32
Domestic Patent References:
WO2020174544A12020-09-03
Foreign References:
JP2019220935A2019-12-26
JP2011256561A2011-12-22
JP6635102B22020-01-22
JP2019536329A2019-12-12
JP6078686B22017-02-08
Attorney, Agent or Firm:
YAHAGI Kazuyuki et al. (JP)
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