Patents by Inventor Hervé Chau

Hervé Chau 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).

  • Integrated software and method for authenticating same
    Patent number: 7356815
    Abstract: The invention concerns a method for authenticating a software downloaded in a terminal, comprising the following steps: authenticating by certificate said downloaded software by means of a software integrated in said terminal; authenticating by certificate, during execution of said downloaded software, said integrated software by means of an authenticating software module associated with said downloaded software.
    Type: Grant
    Filed: October 2, 2003
    Date of Patent: April 8, 2008
    Assignee: Thomson Licensing
    Inventors: Jean-Claude Sarfati, Hervé Chau
  • Method and device for authenticating digital data by means of an authentication extension module
    Patent number: 7353386
    Abstract: An authentication method provides a segment forming an executable authentication plug-in previously authenticated by at least one authentication function from an authentication library and linked to a plurality of segments in accordance with a chaining relationship. In response to a request for authentication of a plurality of segments chained in accordance with the chaining relationship in this way, the method authenticates each successive segment and, in the case of a segment requiring the authentication plug-in, it executes the authentication plug-in in order to authenticate the segment submitted in this way to the authentication plug-in.
    Type: Grant
    Filed: June 25, 2004
    Date of Patent: April 1, 2008
    Assignee: Thomson Licensing S.A.
    Inventors: Jean-Claude Sarfati, Hervé Chau
  • Integrated software and method for authenticating same
    Publication number: 20060156000
    Abstract: The invention concerns a method for authenticating a software downloaded in a terminal, comprising the following steps: authenticating by certificate said downloaded software by means of a software integrated in said terminal; authenticating by certificate, during execution of said downloaded software, said integrated software by means of an authenticating software module associated with said downloaded software.
    Type: Application
    Filed: October 2, 2003
    Publication date: July 13, 2006
    Applicant: Thomson Licensing S.A.
    Inventors: Jean-Claude Sarfati, Herve Chau
  • Method and device for authenticating digital data by means of an authentication extension module
    Publication number: 20050125659
    Abstract: An authentication method provides a segment forming an executable authentication plug-in previously authenticated by at least one authentication function from an authentication library and linked to a plurality of segments in accordance with a chaining relationship. In response to a request for authentication of a plurality of segments chained in accordance with the chaining relationship in this way, the method authenticates each successive segment and, in the case of a segment requiring the authentication plug-in, it executes the authentication plug-in in order to authenticate the segment submitted in this way to the authentication plug-in.
    Type: Application
    Filed: June 25, 2004
    Publication date: June 9, 2005
    Applicant: THOMSON Licensing S.A.
    Inventors: Jean-Claude Sarfati, Herve Chau