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:
May. 05, 2026
Filed:
Dec. 22, 2022
China Iwncomm Co., Ltd., Shannxi, CN;
CHINA IWNCOMM CO., LTD., Shaanxi, CN;
Abstract
Embodiments of the present disclosure provide a secure channel sleep wake-up method, apparatus and device. The method comprises: when a nodeis awakened from a sleep state, obtaining stored IP communication information communicating with a node, performing message encapsulation by using the IP communication information to obtain a first message, and sending the first message to the node; the nodeobtaining the IP communication information and a key updating request message from the first message, and generating a second key according to information comprising a basic key corresponding to a basic key identifier in the key updating request message and a first random number generated by the nodeand in combination with a second random number self-generated by the node; the nodeobtaining the IP communication information and a key updating response message, and generating the second key and the second random number.