DATA SHARING SYSTEM, DATA SHARING METHOD, AND DATA SHARING PROGRAM

WIPO Patent Application WO/2024/070290

A1

The present invention sets processing permissions regarding data possessed by individual organizations and facilitates the utilization of data while taking security into account. This data sharing system comprises a data provision server, a shared database, and a management server. The data provision server acquires sensitive data including attribute values for each of attribute items and encrypts at least some of the attribute values from the sensitive data. The shared database stores the sensitive data encrypted by the data provision server as shared data. The management server manages the processing permissions set for each attribute item of the sensitive data and, when a request for processing of the shared data is received, makes a decryption request to the data provision server to decrypt the attribute values of the attribute items on the basis of the permissions set for the attribute items of the shared data. The data provision server decrypts the encrypted attribute values of the shared data pertaining to the request for processing in accordance with the decryption request and provides shared data pertaining to the request for processing including the decrypted attribute values.

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IMABAYASHI HIROKI (JP)

PCT/JP2023/029494

April 04, 2024

August 15, 2023

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EAGLYS INC (JP)

G06F21/60; G06F21/62

JP2022029386A	2022-02-17
JPS63311454A	1988-12-20
JPH05244150A	1993-09-21
JP2006155554A	2006-06-15
JP2013008121A	2013-01-10
JP2021503648A	2021-02-12

NISHIDA Satoko (JP)

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