Patents by Inventor Swami Saran

Swami Saran 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).

  • Authentication token for identifying a cloning attack onto such authentication token
    Patent number: 8689309
    Abstract: The invention relates to an authentication token for a communication network. The token may include a microprocessor, a memory, a stored secret key (Ki) and a set of instructions for controlling the microprocessor into performing an authentication calculation on the basis of a received random (RAND) and on the basis of the stored secret key. The token further includes a memory location dedicated for storing a counter value and it includes instructions for making the counter value evolve each time the authentication calculation is performed.
    Type: Grant
    Filed: February 15, 2007
    Date of Patent: April 1, 2014
    Assignee: Gemalto SA
    Inventors: Swami Saran, Yugant Bhargav
  • Authentication Token for Identifying a Cloning Attack onto such Authentication Token
    Publication number: 20090177882
    Abstract: The invention relates to an authentication token (10) for a communication network comprising a microprocessor (11), a memory (12), a stored secret key (Ki) and a set of instructions for controlling the microprocessor (11) into performing an authentication calculation on the basis of a received random (RAND) and on the basis of the stored secret key, characterized in that it includes a memory location dedicated for storing a counter value and it includes instructions for making the counter value evolve each time the authentication calculation is performed.
    Type: Application
    Filed: February 15, 2007
    Publication date: July 9, 2009
    Inventors: Swami Saran, Yugant Bhargav