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:
Sep. 29, 2015
Filed:
Dec. 18, 2012
Cisco Technology Inc., San Jose, CA (US);
Martin Gold, Winchester, GB;
Keith Millar, Haywards Heath, GB;
Harel Cain, Jerusalem, IL;
David Wachtfogel, Jerusalem, IL;
Michal Devir, Haifa, IL;
Max Berman, D.N. Harei Yehuda, IL;
Brett Walzer, Givat Zeev, IL;
Cisco Technology Inc., San Jose, CA (US);
Abstract
A Headend system including a encoder to encode input data yielding a plurality of data packets, each of the packets having a header and a payload, a post encoding processor to identify ones of the data packets having a payload with a suspected known plaintext, and modify at least some of the identified packets, and an encryption processor to encrypt at least some of the data packets yielding encrypted data packets. Related apparatus and methods are also described.