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:
Jul. 24, 2012
Filed:
Jan. 13, 2006
Xianghao Nan, Beijing, CN;
Zhong Chen, Beijing, CN;
XiangHao Nan, Beijing, CN;
Zhong Chen, Beijing, CN;
Beijing E-Henxen Authentication Technologies. Co., Ltd., Beijing, CN;
Abstract
The present invention discloses a method and device of generating asymmetrical key pair (public key and private key) based on user identity. Key Management Center (KMC) generates public/private key calculating base, and publish the public key calculating base. Based on identity provided by a user, a private key is calculated and provided to the user. Any user can calculate other user's public key based on other user's identity and the published public key calculating base. Thus, when obtaining the public key of the communicating party, no third party CA certificate is needed, and no maintenance of mass parameters associated with users are needed.