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Patent Searching and Data


Title:
TRUST CHAIN ESTABLISHMENT METHOD OF SMART TELEVISION TERMINAL, AND SMART TELEVISION TERMINAL
Document Type and Number:
WIPO Patent Application WO/2019/129046
Kind Code:
A1
Abstract:
The present invention relates to a trust chain establishment method of a smart television terminal, and a smart television terminal. The method comprises: applying a third key pair and a third certificate to a third CA, and writing a private key of the third key pair and the third certificate into a secure storage area of a smart television terminal, the third certificate including smart television terminal model information and information of a public key of the third key pair; configuring the smart television terminal to: detect whether the smart television terminal itself has a fourth certificate each time it is started, if not, the smart television terminal generating a unique fourth key pair, and submitting online a public key of the fourth key pair and a unique identifier of each smart television terminal to a fourth CA so as to request acquisition of a fourth certificate, and sending a third certificate and signing the above request with a private key of the third key; and configuring the smart television terminal to: where a fourth certificate is received, write the fourth certificate into the secure storage area of the smart television terminal. Issuing a fourth certificate securely online increases the security of the private key of the fourth key pair.

Inventors:
GUO XIAOXIA (CN)
WANG LEI (CN)
WU DI (CN)
FANG ZHONGHUA (CN)
GUO PEIYU (CN)
Application Number:
PCT/CN2018/123857
Publication Date:
July 04, 2019
Filing Date:
December 26, 2018
Export Citation:
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Assignee:
ACAD OF BROADCASTING SCIENCE STATE ADMINISTRATION OF PRESS PUBLICATION RADIO FILM & TELEVISION (CN)
HISILICON TECH CO LTD (CN)
International Classes:
H04L9/00; H04L9/32; H04L9/08
Foreign References:
CN103533403A2014-01-22
US20050066171A12005-03-24
CN107171805A2017-09-15
US20020023217A12002-02-21
CN104639327A2015-05-20
CN107070657A2017-08-18
Attorney, Agent or Firm:
BEYOND TALENT PATENT AGENT FIRM (CN)
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