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:
Jun. 14, 2022
Filed:
Feb. 13, 2018
China Iwncomm Co., Ltd., Shaanxi, CN;
Yuehui Wang, Shaanxi, CN;
Bianling Zhang, Shaanxi, CN;
Manxia Tie, Shaanxi, CN;
Xiaolong Lai, Shaanxi, CN;
Qin Li, Shaanxi, CN;
Weigang Tong, Shaanxi, CN;
Guoqiang Zhang, Shaanxi, CN;
Zhiqiang Du, Shaanxi, CN;
Xiang Yan, Shaanxi, CN;
CHINA IWNCOMM CO., LTD., Shaanxi, CN;
Abstract
A method and device for managing a digital certificate are provided. A digital certificate requesting device negotiates with a digital certificate issuing device by using an acquired authorization code, to establish a security data channel and generate a security key, and messages can be encrypted with the generated data communication key during a process of message interaction between the digital certificate requesting device and the digital certificate issuing device, thereby effectively increasing the security in data transmission. The method and device are applicable for automatically requesting for, querying, updating, revoking a digital certificate and acquiring a digital certificate revocation list in various scenarios.