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1. (WO2018032890) METHOD AND SYSTEM FOR DISTRIBUTING DIGITAL CONTENT IN PEER-TO-PEER NETWORK

Pub. No.:    WO/2018/032890    International Application No.:    PCT/CN2017/091279
Publication Date: Fri Feb 23 00:59:59 CET 2018 International Filing Date: Sat Jul 01 01:59:59 CEST 2017
IPC: H04L 29/06
H04N 21/4627
Applicants: HUAWEI TECHNOLOGIES CO., LTD.
华为技术有限公司
Inventors: LIU, Deqian
刘德钱
WEN, Junrong
文均荣
ZHANG, Pu
张蒲
CHEN, Yixin
陈懿新
Title: METHOD AND SYSTEM FOR DISTRIBUTING DIGITAL CONTENT IN PEER-TO-PEER NETWORK
Abstract:
Provided in an embodiment of the invention are a method and system for distributing a digital content. The method comprises: a content device receiving a download request sent by a download client, the download request comprising an upload transaction ID and a license transaction ID of a content file to be downloaded; the content device determining, according to the upload transaction ID and the license transaction ID, whether the download client has license information for downloading the content file, and if so, sending the content file to the download client; after the content file has been distributed, the content device sending a download transaction request to a content transaction processing device, the download transaction request comprising download information; the content transaction processing device receiving the download transaction request, determining that the download information is valid, generating a download transaction, and sending the download transaction to a blockchain processing device; and the blockchain processing device receiving the download transaction, and adding the download transaction to a blockchain. The content device sends a content file to a download client only when the download client has download authorization, thereby limiting a distribution range of a content file.