Patents by Inventor Michael Fingleton

Michael Fingleton 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).

  • Anti-replay checking with multiple sequence number spaces
    Patent number: 9667650
    Abstract: Processes and systems to create a plurality of sequence number spaces in a security association at a transmission device. Each sequence number space corresponds to a respective class of traffic. Each sequence number space is identified by a unique selector value. For each sequence number space, a sequence number counter is created for counting a sequence of outbound packets of a class of traffic corresponding to the sequence number space. For an outbound packet of a particular class of traffic, a selector value of a sequence number space of the particular class of traffic is written into a first portion of a sequence number field in the outbound packet. Low-order bits of the current value of a sequence number counter, associated with the sequence number space of the particular class of traffic, is written into a second portion of the sequence number field. The sequence number counter is then incremented.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: May 30, 2017
    Assignee: Cisco Technology, Inc.
    Inventors: Shuxian Lou, Jie Chu, Michael Fingleton, Hsia R. Yu
  • Anti-Replay Checking with Multiple Sequence Number Spaces
    Publication number: 20160337398
    Abstract: Processes and systems to create a plurality of sequence number spaces in a security association at a transmission device. Each sequence number space corresponds to a respective class of traffic. Each sequence number space is identified by a unique selector value. For each sequence number space, a sequence number counter is created for counting a sequence of outbound packets of a class of traffic corresponding to the sequence number space. For an outbound packet of a particular class of traffic, a selector value of a sequence number space of the particular class of traffic is written into a first portion of a sequence number field in the outbound packet. Low-order bits of the current value of a sequence number counter, associated with the sequence number space of the particular class of traffic, is written into a second portion of the sequence number field. The sequence number counter is then incremented.
    Type: Application
    Filed: May 15, 2015
    Publication date: November 17, 2016
    Inventors: Shuxian Lou, Jie Chu, Michael Fingleton, Hsia R. Yu