Title:
権利者端末、利用者端末、権利者プログラム、利用者プログラム、コンテンツ利用システムおよびコンテンツ利用方法
Document Type and Number:
Japanese Patent JP7280517
Kind Code:
B2
Abstract:
Content data is registered in a file management system 8, an identifier of a user in the file management system 8 is registered in blockchain data B, and a right-holder terminal 1 includes a permission request receiving unit 122 that receives, from the file management system 8, permission request data for the content including an identifier of the user, a verification unit 123 that verifies that the identifier of the user registered in the blockchain data B corresponds to the identifier of the user included in the permission request data, and an permission issuing unit 124 that transmits, to the file management system 8, permission data for permitting a use of the content by the user.
Inventors:
Moritoku Ohashi
Shigeru Fujimura
Atsushi Nakahira
Masayoshi Chikada
Tatsuro Ishida
Daiki Watanabe
Shigeru Fujimura
Atsushi Nakahira
Masayoshi Chikada
Tatsuro Ishida
Daiki Watanabe
Application Number:
JP2020553429A
Publication Date:
May 24, 2023
Filing Date:
October 23, 2019
Export Citation:
Assignee:
Nippon Telegraph and Telephone Corporation
International Classes:
G06F21/10; G06F21/64; H04L9/32
Domestic Patent References:
| JP2006127347A |
Foreign References:
| WO2017038507A1 |
Other References:
江澤 友基 ほか,ブロックチェーンを用いた認証システムの検討,電子情報通信学会技術研究報告 Vol.118 No.109 [online] IEICE Technical Report,日本,一般社団法人電子情報通信学会,2018年06月18日,第118巻,p.47-54
Attorney, Agent or Firm:
Hidekazu Miyoshi
Rie Kudo
Rie Kudo