Patents by Inventor Gregory Charles Onufer

Gregory Charles Onufer 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 firmware authentication
    Patent number: 6138236
    Abstract: An apparatus for firmware authentication and methods of operating the same result in software upgradability to firmware without compromising the integrity of the firmware. The apparatus for firmware authentication of a boot PROM comprises a software programmable data section having a plurality of micro-code. An authentication section having a hash generator configured to generate a data hash in response to the plurality of micro-code programmed in the software programmable data section to authorize execution of the plurality of micro-code of the data section.
    Type: Grant
    Filed: July 1, 1996
    Date of Patent: October 24, 2000
    Assignee: Sun Microsystems, Inc.
    Inventors: Russell Norman Mirov, Gregory Charles Onufer