Patents by Inventor Benoit Michau

Benoit Michau 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 of authenticating a first and a second entity at a third entity
    Patent number: 9008624
    Abstract: A method is provided for authenticating a first entity and a second entity at a third entity. The first and third entities share a first secret key, and the second and third entities share a second secret key. The method includes steps of: dispatching by the third entity to the first entity of a challenge, calculation by the first entity, using the first secret key, of an authentication value; dispatching by the first entity to the second entity the authentication value, calculation by the second entity, using the second secret key, of an authentication response; dispatching by the second entity to the third entity of the authentication response; calculation by the third entity of an expected authentication response; and comparison of the authentication response received with the expected calculated authentication response.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: April 14, 2015
    Assignee: France Telecom
    Inventors: Benoit Michau, Matthew Robshaw
  • METHOD OF AUTHENTICATING A FIRST AND A SECOND ENTITY AT A THIRD ENTITY
    Publication number: 20140057601
    Abstract: A method is provided for authenticating a first entity and a second entity at a third entity. The first and third entities share a first secret key, and the second and third entities share a second secret key. The method includes steps of: dispatching by the third entity to the first entity of a challenge, calculation by the first entity, using the first secret key, of an authentication value; dispatching by the first entity to the second entity the authentication value, calculation by the second entity, using the second secret key, of an authentication response; dispatching by the second entity to the third entity of the authentication response; calculation by the third entity of an expected authentication response; and comparison of the authentication response received with the expected calculated authentication response.
    Type: Application
    Filed: December 22, 2011
    Publication date: February 27, 2014
    Applicant: FRANCE TELECOM
    Inventors: Benoit Michau, Matthew Robshaw