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.

Date of Patent:
Aug. 24, 2021

Filed:

Aug. 29, 2019
Applicant:

Contemporary Amperex Technology Co., Limited, Ningde, CN;

Inventors:

Wenbin Lu, Ningde, CN;

Zhimin Dan, Ningde, CN;

Yizhen Hou, Ningde, CN;

Wei Zhang, Ningde, CN;

Jia Xu, Ningde, CN;

Jiechao Luo, Ningde, CN;

Teng Yu, Ningde, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/08 (2006.01); H04W 12/06 (2021.01); H04L 9/30 (2006.01); H04L 9/14 (2006.01); H04L 29/06 (2006.01); H04W 12/033 (2021.01); H04W 12/041 (2021.01); H04W 12/71 (2021.01); H04W 12/0471 (2021.01); H04L 9/32 (2006.01);
U.S. Cl.
CPC ...
H04W 12/06 (2013.01); H04L 9/0825 (2013.01); H04L 9/0866 (2013.01); H04L 9/0869 (2013.01); H04L 9/14 (2013.01); H04L 9/3033 (2013.01); H04L 9/3242 (2013.01); H04L 63/045 (2013.01); H04L 63/0478 (2013.01); H04W 12/033 (2021.01); H04W 12/041 (2021.01); H04W 12/0471 (2021.01); H04W 12/71 (2021.01); H04L 63/061 (2013.01); H04L 63/08 (2013.01);
Abstract

The embodiments of the present disclosure disclose a method for data transmission, comprising: authenticating, by a target node in a battery management system, a source node in response to a request for data transmission from the source node; selecting, by the target node, any two prime numbers from a pre-stored set of prime numbers if the authentication is passed, generating a public key and a private key according to the two prime numbers, and transmitting the public key to the source node; performing, by the source node, a first encryption byte-by-byte for source data to be transmitted using the public key, performing a second encryption for the first encrypted data using a first encryption algorithm stored by the source node itself, and transmitting the second encrypted data to the target node.


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