Patents by Inventor Serge Le Crom

Serge Le Crom 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: 20070215710
    Abstract: A method and computer system for determining the compatibility, for application to a smartcard, of smartcard personalization profiles, the respective smartcard personalization profiles describing respective file trees on the smartcard that are required by respective applications. The method involves determining if the sets of paths of the file trees described by the respective smartcard personalization profiles are disjoint.
    Type: Application
    Filed: March 20, 2006
    Publication date: September 20, 2007
    Inventors: Serge Le Crom, Louisa Saunier
  • Patent number: 7254706
    Abstract: Protection of private keys used to digitally sign files to be downloaded to a terminal is accomplished by storing the private keys in smartcards, and arranging a secure processor unit embedded in the smartcard to perform all signing operations requiring access to the keys so that the keys never leave the card. In addition, access to the signing operations is protected by multiple PINs, which may be distributed to multiple individuals and/or used to establish different signing authorization levels associated with different types of files.
    Type: Grant
    Filed: June 29, 2001
    Date of Patent: August 7, 2007
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Dominique Gougeon, Serge Le Crom, John F. Sheets
  • Publication number: 20030005289
    Abstract: Protection of private keys used to digitally sign files to be downloaded to a terminal is accomplished by storing the private keys in smartcards, and arranging a secure processor unit embedded in the smartcard to perform all signing operations requiring access to the keys so that the keys never leave the card. In addition, access to the signing operations is protected by multiple PINs, which may be distributed to multiple individuals and/or used to establish different signing authorization levels associated with different types of files.
    Type: Application
    Filed: June 29, 2001
    Publication date: January 2, 2003
    Inventors: Dominique Gougeon, Serge Le Crom, John F. Sheets