Patents Assigned to Compagnie Generale d'Informatique et de Tele-Communications
  • Data file authentication device
    Patent number: 6167516
    Abstract: A device receives at one input (2) data of a file to be processed, and includes a processing module (5) which at the start of receiving the file, react by three operative stages. These stages include first stage of inserting data blocks from the file into a source memory (MS), after transformation, a second continuous stage of processing each data block of the file, transformed and inserted into the source memory (MS), and a third stage of generating a signature from the transformed, inserted and processed blocks.
    Type: Grant
    Filed: November 25, 1997
    Date of Patent: December 26, 2000
    Assignees: Inria Institut National de Recherche en Informatique et en Automatique Cogenit, Compagnie Generale d'Informatique et de Tele-Communications
    Inventors: Paul Camion, Nicolas Sendrier, Fran.cedilla.ois Cordier, Pierre Kalfon