Patents by Inventor Reto Strobl

Reto Strobl 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).

  • Group key exchanges with failures
    Patent number: 7444514
    Abstract: Described are a method for generating a session key on demand in a network, a computer program element, a computer program product stored on a computer usable medium, and a computer device for executing the computer program product. The method generates a session key sk on demand in a network among n participating network devices with up to a number t of faulty devices.
    Type: Grant
    Filed: October 13, 2004
    Date of Patent: October 28, 2008
    Assignee: International Business Machines Corporation
    Inventors: Reto Strobl, Christian Chachin
  • Method of verifiably sharing a secret in potentially asynchronous networks
    Patent number: 7389416
    Abstract: In accordance with the present invention, there is provided a method for sharing a secret value x among n participating network devices via an asynchronous network. The n participating network devices comprises t faulty devices and k sub-devices capable of reconstructing the secret value x, wherein t<n/3 and k<n. The secret value x being provided by a distributor.
    Type: Grant
    Filed: February 15, 2002
    Date of Patent: June 17, 2008
    Assignee: International Business Machines Corporation
    Inventors: Christian Cachin, Klaus Kursawe, Anna Lysyanskaya, Reto Strobl
  • Group key exchanges with failures
    Publication number: 20050086470
    Abstract: Described are a method for generating a session key on demand in a network, a computer program element, a computer program product stored on a computer usable medium, and a computer device for executing the computer program product. The method generates a session key sk on demand in a network among n participating network devices with up to a number t of faulty devices.
    Type: Application
    Filed: October 13, 2004
    Publication date: April 21, 2005
    Inventors: Reto Strobl, Christian Cachin
  • Method of verifiably sharing a secret in potentially asynchronous networks
    Publication number: 20040139146
    Abstract: In accordance with the present invention, there is provided a method for sharing a secret value x among n participating network devices via an asynchronous network. The n participating network devices comprises t faulty devices and k sub-devices capable of reconstructing the secret value x, wherein t<n/3 and k<n. The secret value x being provided by a distributor.
    Type: Application
    Filed: March 2, 2004
    Publication date: July 15, 2004
    Inventors: Christian Cachin, Klaus Kursawe, Anna Lysyanskaya, Reto Strobl