Title:
PROPRIETOR TERMINAL, USER TERMINAL, NEW PROPRIETOR TERMINAL, PROPRIETOR PROGRAM, USER PROGRAM, NEW PROPRIETOR PROGRAM, CONTENT USE SYSTEM, AND DATA STRUCTURE OF ROUTE OBJECT DATA
Document Type and Number:
WIPO Patent Application WO/2020/100855
Kind Code:
A1
Abstract:
This proprietor terminal 1 is provided with a route object generation unit 123 for: storing state data Bs in which an identifier of a contract executed in a blockchain system 6, a hash value of file data being controlled that specifies content data managed by the contract, and identifiers of a proprietor and a user of content data in a file management system 9 are correlated; generating referenced data R that includes the contract identifier; and generating route object data Obj that includes the referenced data R and the link name and hash value of the file data being controlled.
Inventors:
OHASHI SHIGENORI (JP)
NAKADAIRA ATSUSHI (JP)
FUJIMURA SHIGERU (JP)
CHIKADA MASAYOSHI (JP)
ISHIDA TATSURO (JP)
WATANABE HIROKI (JP)
NAKADAIRA ATSUSHI (JP)
FUJIMURA SHIGERU (JP)
CHIKADA MASAYOSHI (JP)
ISHIDA TATSURO (JP)
WATANABE HIROKI (JP)
Application Number:
PCT/JP2019/044246
Publication Date:
May 22, 2020
Filing Date:
November 12, 2019
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
G06F21/10; G06F21/64
Domestic Patent References:
| WO2018075129A1 | 2018-04-26 |
Foreign References:
| JP2017050763A | 2017-03-09 | |||
| JP6389558B1 | 2018-09-12 | |||
| JP2017220710A | 2017-12-14 |
Other References:
SATO YUYA; KANEKO KUNITAKE: "Media Content Management System using Blockchain Technology", IEICE TECHNICAL REPORT. IN, vol. 117, no. 397 (IN2017-75), 15 January 2018 (2018-01-15), pages 31 - 36, XP009527643
JUAN BANET, IPFS-CONTENT ADDRESSED, VERSIONED, P2P FILE SYSTEM (DRAFT 3, 30 October 2018 (2018-10-30), Retrieved from the Internet
MATHIS STEICHEN ET AL., BLOCKCHAIN-BASED, DECENTRALIZED ACCESS CONTROL FOR IPFS, 15 October 2018 (2018-10-15), Retrieved from the Internet
JUAN BANET, IPFS-CONTENT ADDRESSED, VERSIONED, P2P FILE SYSTEM (DRAFT 3, 30 October 2018 (2018-10-30), Retrieved from the Internet
MATHIS STEICHEN ET AL., BLOCKCHAIN-BASED, DECENTRALIZED ACCESS CONTROL FOR IPFS, 15 October 2018 (2018-10-15), Retrieved from the Internet
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (JP)
Download PDF: