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:
Jan. 20, 2026
Filed:
Dec. 20, 2022
China Iwncomm Co., Ltd., Shaanxi, CN;
CHINA IWNCOMM CO., LTD., Shaanxi, CN;
Abstract
The present application provides a method, apparatus, and device for secure data transmission. The method comprises: a nodeincrementally updates an SN1 value, performs first mathematical transformation on the updated SN1 value to calculate an IV1, encrypts a first data packet according to the IV1 and a key, and then sends the encrypted first data packet to a node; the nodeacquires the SN1 value in the first data packet, performs the first mathematical transformation on the acquired SN1 value to calculate the IV1, and decrypts the encrypted first data packet by using the IV1 and the key; the nodeincrementally updates an SN2 value, performs second mathematical transformation on the updated SN2 value to calculate an IV2, encrypts a second data packet according to the IV2 and the key, and sends the encrypted second data packet to the node