Patents by Inventor Tim Ebringer

Tim Ebringer 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).

  • Reliability platform configuration measurement, authentication, attestation and disclosure
    Patent number: 7752465
    Abstract: A platform configuration measurement device including: a configuration register; means for executing extension processing in which a predetermined operation is performed on a content of the configuration register by using a given additional value, a hash value is obtained by applying a predetermined hash function to a value obtained by the predetermined operation, and the hash value is set for a new content of the configuration register; and measurement extension means for obtaining measured values, corresponding to predetermined components constituting a platform, by sequentially making predetermined measurement on the predetermined components, and for allowing the means for executing extension processing to execute the extension processing using the measured values as the additional values, random extension means is provided for allowing the means for executing extension processing to execute the extension processing using a random value as the additional value.
    Type: Grant
    Filed: April 7, 2005
    Date of Patent: July 6, 2010
    Assignee: International Business Machines Corporation
    Inventors: Tim Ebringer, Sachiko Yoshihama, Seiji Munetoh, Hiroshi Maruyama