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:
May. 11, 2010
Filed:
Jul. 05, 2006
Howard G. Pinder, Norcross, GA (US);
David A. Sedacca, Atlanta, GA (US);
Howard G. Pinder, Norcross, GA (US);
David A. Sedacca, Atlanta, GA (US);
Scientific-Atlanta, LLC, Lawrenceville, GA (US);
Abstract
Included are systems and methods for data authentication. At least one embodiment of a system includes a secure processor configured as a physically secure environment, the secure processor further configured to receive a control word from a headend, the secure processor further configured to encrypt the received control word using a first encryption key. Other embodiments of a system includes a transport processor configured to receive the encrypted control word, the transport processor further configured to decrypt the received control word using a first decryption key, wherein the first decryption key is compatible with the first encryption key.