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:
Nov. 10, 2015
Filed:
Jun. 28, 2011
Alexander Medvinsky, San Diego, CA (US);
Paul Moroney, La Jolla, CA (US);
Rafie Shamsaasef, San Diego, CA (US);
Tat Keung Chan, San Diego, CA (US);
Madjid F. Nakhijiri, San Diego, CA (US);
Alexander Medvinsky, San Diego, CA (US);
Paul Moroney, La Jolla, CA (US);
Rafie Shamsaasef, San Diego, CA (US);
Tat Keung Chan, San Diego, CA (US);
Madjid F. Nakhijiri, San Diego, CA (US);
Google Technology Holdings LLC, Mountain View, CA (US);
Abstract
A client, method and system for registering a DRM client is disclosed. The method () includes the steps of: initiating () a registration request via a DRM client with an encrypted registration message including an asymmetric key cryptographic identity, a customer identifier and an application specific information (AINFO) field including a digital signature and a device certificate chain; validating () information in the application specific information (AINFO) field by a DRM registration server; and receiving () a registration response, the registration response being encrypted and including access information, to obtain content. Advantageously, this method provides an enhanced and reliable means of authentication.