Patents by Inventor Christopher Fairclough

Christopher Fairclough 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).

  • Cryptographic accelerator
    Patent number: 6963979
    Abstract: A cryptographic accelerator (1) has a host interface (2) for interfacing with a host sending cryptographic requests and receiving results. A CPU (3) manages the internal logical unit in an exponentiation sub-system (7) having modulator exponentiators (30). The exponentiators (30) are chained together up to a maximum of four, in a block (20). There are ten blocks (20). A scheduler uses control registers and an input buffer to perform the scheduling control.
    Type: Grant
    Filed: April 11, 2002
    Date of Patent: November 8, 2005
    Assignee: AEP Systems Limited
    Inventors: Christopher Fairclough, Francis Flanagan
  • Cryptographic accelerator
    Publication number: 20020164019
    Abstract: A cryptographic accelerator (1) has a host interface (2) for interfacing with a host sending cryptographic requests and receiving results. A CPU (3) manages the internal logical unit in an exponentiation sub-system (7) having modulator exponentiators (30). The exponentiators (30) are chained together up to a maximum of four, in a block (20). There are ten blocks (20). A scheduler uses control registers and an input buffer to perform the scheduling control.
    Type: Application
    Filed: April 11, 2002
    Publication date: November 7, 2002
    Inventors: Christopher Fairclough, Francis Flanagan