DATA PROTECTION METHOD, AUTHENTICATION SERVER, DATA PROTECTION SYSTEM, AND DATA STRUCTURE

DATA PROTECTION METHOD, AUTHENTICATION SERVER, DATA PROTECTION SYSTEM, AND DATA STRUCTURE

Provided is a data protection method which includes: receiving transaction data which includes a first hash value obtained from history information of a home; obtaining, from a data server, a second hash value computed by the data server performing computation processing on encrypted history informa...

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1. Verfasser: UNAGAMI, Yuji
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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creator UNAGAMI, Yuji
description Provided is a data protection method which includes: receiving transaction data which includes a first hash value obtained from history information of a home; obtaining, from a data server, a second hash value computed by the data server performing computation processing on encrypted history information without decrypting the encrypted history information, the encrypted history information being history information of the home encrypted using a secure computation method which enables computation without decrypting the encrypted history information, the encrypted history information being obtained from the home; verifying the transaction data, and determining whether the first hash value and the second hash value match; and when a validity of the transaction data is verified and the first hash value and the second hash value match, recording the transaction data in a distributed ledger.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title DATA PROTECTION METHOD, AUTHENTICATION SERVER, DATA PROTECTION SYSTEM, AND DATA STRUCTURE
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