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:
Apr. 08, 2014
Filed:
Mar. 18, 2008
Howard Pinder, Norcross, GA (US);
Howard Pinder, Norcross, GA (US);
Cisco Technology, Inc., San Jose, CA (US);
Abstract
Systems and methods of direct delivery of content descrambling keys using chip-unique code are described herein. One such method includes receiving a unique chip identifier from a digital subscriber communications terminal; determining a chip key associated to the chip identifier; encrypting a service instance using the chip key; and transmitting the encrypted service instance. One such system includes a chip key server configured to store a plurality of chip identifiers, each identifier associated with a chip key, and configured to receive a unique chip identifier from a digital subscriber communications terminal; and an encryptor configured to encrypt a service instance using the chip key associated with the unique chip identifier, the chip key provided by the chip key server.