Title:
DATA DISTRIBUTION CONTROL METHOD, DATA DISTRIBUTION CONTROL SYSTEM, AND AUTHORIZATION SERVER
Document Type and Number:
WIPO Patent Application WO/2022/163741
Kind Code:
A1
Abstract:
This data distribution control method is for an authorization server having a processor and a memory to control data access between a provision-side computer that provides data and a use-side computer that uses the data, the method including: an objective achievement status notification step in which the user-side computer notifies the authorization server of the use status of the data authorized in the past; a use request step in which the use-side computer makes a request to the authorization server for a use policy including protection level information relating to security measures when the data is used, and a use objective for the data; and an access control step in which the authorization server controls access by the use-side computer to the data of the provision-side computer, on the basis of the data use status, the protection level information, and the data use objective.
Inventors:
KAJI TADASHI (JP)
KATO HIROMITSU (JP)
YOSHINO MASAYUKI (JP)
UCHIYAMA HIROKI (JP)
SHIGEMOTO TOMOHIRO (JP)
KATO HIROMITSU (JP)
YOSHINO MASAYUKI (JP)
UCHIYAMA HIROKI (JP)
SHIGEMOTO TOMOHIRO (JP)
Application Number:
PCT/JP2022/003015
Publication Date:
August 04, 2022
Filing Date:
January 27, 2022
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
G06F21/62
Foreign References:
| JP2014229039A | 2014-12-08 | |||
| JP2018142284A | 2018-09-13 | |||
| JP2021012363A | 2021-02-04 |
Attorney, Agent or Firm:
TOU-OU PATENT FIRM (JP)
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