Patents by Inventor Jonathan Ward Lupton

Jonathan Ward Lupton 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).

  • Publication number: 20220051244
    Abstract: An authentication system may receive an authentication MAC, an integrity MAC, and data transmitted from a payment application and a payment terminal. A local integrity MAC may be generated using the data as an input to a first cryptographic operation. The system may compare the local integrity MAC to the received integrity MAC to authenticate the received integrity MAC. A local authentication MAC may be generated using a second cryptographic operation and compare the local authentication MAC to the received authentication MAC. The system may authenticate the payment application in response to a successful authentication of at least one of the received authentication MAC or the received integrity MAC.
    Type: Application
    Filed: September 22, 2021
    Publication date: February 17, 2022
    Inventors: Carlos Eduardo Oliveira do Valle SILVESTRE, Jonathan Ward LUPTON
  • Patent number: 11151561
    Abstract: An authentication system may receive an authentication MAC, an integrity MAC, and data transmitted from a payment application and a payment terminal. A local integrity MAC may be generated using the data as an input to a first cryptographic operation. The system may compare the local integrity MAC to the received integrity MAC to authenticate the received integrity MAC. A local authentication MAC may be generated using a second cryptographic operation and compare the local authentication MAC to the received authentication MAC. The system may authenticate the payment application in response to a successful authentication of at least one of the received authentication MAC or the received integrity MAC.
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: October 19, 2021
    Assignee: American Express Travel Related Services Company, Inc.
    Inventors: Carlos Eduardo Oliveira Do Valle Silvestre, Jonathan Ward Lupton
  • Publication number: 20190172064
    Abstract: An authentication system may receive an authentication MAC, an integrity MAC, and data transmitted from a payment application and a payment terminal. A local integrity MAC may be generated using the data as an input to a first cryptographic operation. The system may compare the local integrity MAC to the received integrity MAC to authenticate the received integrity MAC. A local authentication MAC may be generated using a second cryptographic operation and compare the local authentication MAC to the received authentication MAC. The system may authenticate the payment application in response to a successful authentication of at least one of the received authentication MAC or the received integrity MAC.
    Type: Application
    Filed: July 1, 2016
    Publication date: June 6, 2019
    Applicant: American Express Travel Related Services Company, Inc.
    Inventors: Carlos Eduardo Oliveira do Valle Silvestre, Jonathan Ward Lupton