Japan, Feb. 27 -- PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA has got intellectual property rights for 'DATA DISTRIBUTION METHOD, DATA DISTRIBUTION SYSTEM, AND PROGRAM.' Other related details are as follows:
Application Number: JP,2023-204724
Category (FI): G09C1/00,650@Z,G06F21/60,320,G06F21/64
Stage: PROBLEM TO BE SOLVED: To provide a data distribution method and the like capable of utilizing data while protecting data privacy.SOLUTION: The data distribution method is a data distribution method in a data distribution system that includes multiple authentication servers. The method includes the steps of: receiving, by a first authentication server included in the multiple authentication servers, transaction data including encrypted history information which is history information of the device encrypted using a secure computation method which enables computation without decrypting the encrypted history information (S104); recording the transaction data in a distributed ledger in synchronization with the multiple authentication servers excluding the first authentication server when a validity of the transaction data received from the device is verified by the first authentication server (S105-S108); and performing by the first authentication server, secure computation on the encrypted history information included in the transaction data, the secure computation being computation processing performed without decrypting the encrypted history information.SELECTED DRAWING: Figure 12 (Grant)
Filing Date: Dec. 4, 2023
Publication Date: Feb. 1, 2024
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/p0100
Disclaimer: Curated by HT Syndication.
