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. 01, 2013
Filed:
Jul. 28, 2009
Liaojun Pang, Shaanxi, CN;
Manxia Tie, Shaanxi, CN;
Xiaolong Lai, Shaanxi, CN;
Zhenhai Huang, Shaanxi, CN;
Liaojun Pang, Shaanxi, CN;
Manxia Tie, Shaanxi, CN;
Xiaolong Lai, Shaanxi, CN;
Zhenhai Huang, Shaanxi, CN;
China IWNCOMM Co., Ltd., Xi'an, CN;
Abstract
An anonymous authentication method based on a pre-shared key, a reader-writer, an electronic tag and an anonymous bidirectional authentication system are disclosed. The method comprises the following steps: 1) a reader-writer sends an accessing authentication requirement group to the electronic tag; 2) after the electronic tag receives the accessing authentication requirement group, an accessing authentication response group is constructed and sent to the reader-writer; 3) after the reader-writer receives the accessing authentication response group, an accessing authentication confirmation group is constructed and sent to the electronic tag; 4) the electronic tag carries out confirmation according to the accessing authentication confirmation group.