The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 13, 2018
Filed:
Apr. 13, 2015
Jrd Communication Inc., Shenzhen, CN;
TCL COMMUNICATION TECHNOLOGY HOLDINGS LIMITED, Kowloon, HK;
Abstract
An accessory, an electronic apparatus and a system for accessory certification is disclosed. The accessory comprises an encryption chip, with the encryption chip comprising a first memory module, configured to store a private certification key and a mixed certification key formed at least by combining a public certification key and pseudo keys according to a predetermined rule. The processing module of the electronic apparatus at least extracts the public certification key from the mixed certification key according to an algorithm matched with the predetermined rule when the electronic apparatus and the accessory are forming a physical connection. The processing module uses the public certification key to certify the accessory. In such a manner, the present invention can improve the security level of keys so as to improve the security and reliability for the electronic apparatus to use the accessory.