Patents by Inventor Brett Walzer

Brett Walzer has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Known plaintext attack protection
    Patent number: 9148411
    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.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: September 29, 2015
    Assignee: Cisco Technology Inc.
    Inventors: Martin Gold, Keith Millar, Harel Cain, David Wachtfogel, Michal Devir, Max Berman, Brett Walzer
  • Known Plaintext Attack Protection
    Publication number: 20140052983
    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.
    Type: Application
    Filed: December 18, 2012
    Publication date: February 20, 2014
    Inventors: Martin Gold, Keith Millar, Harel Cain, David Wachtfogel, Michal Devir, Max Berman, Brett Walzer