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:
Mar. 26, 2013
Filed:
Oct. 25, 2011
Weizhong Yuan, Shenzhen, CN;
Renzhou Zhang, Nanjing, CN;
Chen Huang, Nanjing, CN;
Zhipeng Zhou, Nanjing, CN;
Qingliang LI, Nanjing, CN;
Weizhong Yuan, Shenzhen, CN;
Renzhou Zhang, Nanjing, CN;
Chen Huang, Nanjing, CN;
Zhipeng Zhou, Nanjing, CN;
Qingliang Li, Nanjing, CN;
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
A system for issuing a license includes a Content Issuer (CI) configured to receive a Cooperate-RORequest from a Rights Issuer (RI). The CI encapsulates, according to the information carried in the Cooperate-RORequest, content related information by using a key of a destination entity to obtain an encapsulation key, and generates a Message Authentication Code (MAC) on part of information of a license. The CI sends the generated MAC and obtained encapsulation key to the RI, so that the RI sends the license that includes the MAC and the encapsulation key to the destination entity.