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:
Oct. 22, 2019
Filed:
Jul. 01, 2015
Zte Corporation, Shenzhen, CN;
Wantao Yu, Shenzhen, CN;
ZTE Corporation, Shenzhen, Guangdong, CN;
Abstract
Disclosed is a key negotiation method including that a network entity generates an MTC communication key between an MTC device or an MTC application and a network by utilizing a key distribution algorithm for MTC communication according to a root key for the MTC communication maintained by the network entity. The network entity generates an MTC group key by utilizing a key distribution algorithm for MTC group communication according to the root key. The network entity issues the generated MTC communication key and the generated MTC group key to the MTC device or the MTC application via a secure method so as to allow the MTC device or the MTC application to securely store the MTC communication key and the MTC group key. Also disclosed are a network entity, a key negotiation system and a computer storage medium.