Patents by Inventor Craig Allen Long

Craig Allen Long 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).

  • Method and apparatus for seamless crypto rekey system
    Patent number: 5940508
    Abstract: Equipment (10, 20) for facilitating point-to-point cryptographic data communication systems is disclosed. The seamless rekey cryptosystem permits changing of the crypto key (70, 80) with no down time. The cryptosystem will facilitate seamless key installation to eliminate data loss or reduce storage required while updating the crypto key. The seamless key will allow changing the key more often, which will also provide a more robust, secure cryptosystem.
    Type: Grant
    Filed: April 7, 1997
    Date of Patent: August 17, 1999
    Assignee: Motorola, Inc.
    Inventors: Craig Allen Long, William Robert Worger, Bradley Robert Schaefer