Patents by Inventor Marcin TOMASIK

Marcin TOMASIK 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).

  • Lifecycle management method and apparatus for trusted certificates and trust chains
    Patent number: 11456881
    Abstract: A method and apparatus is provided for updating certificates in a trust chain and managing versions of the trust chain. A first electronic processor determines that a first certificate in a first level of the trust chain is to be updated, updating the first certificate and each certificate in a lower level in the trust chain that is lower than the first level, creates a second version of the trust chain including an updated first certificate and an updated certificate at each lower level in the trust chain, and transmits the second version of the trust chain to one or more entities.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: September 27, 2022
    Assignee: MOTOROLA SOLUTIONS, INC.
    Inventors: Wojciech Kucharski, Elizeusz Musial, Andrzej Grzesik, Marcin Tomasik, Chris A. Kruegel
  • LIFECYCLE MANAGEMENT METHOD AND APPARATUS FOR TRUSTED CERTIFICATES AND TRUST CHAINS
    Publication number: 20200136838
    Abstract: A method and apparatus is provided for updating certificates in a trust chain and managing versions of the trust chain. A first electronic processor determines that a first certificate in a first level of the trust chain is to be updated, updating the first certificate and each certificate in a lower level in the trust chain that is lower than the first level, creates a second version of the trust chain including an updated first certificate and an updated certificate at each lower level in the trust chain, and transmits the second version of the trust chain to one or more entities.
    Type: Application
    Filed: June 30, 2017
    Publication date: April 30, 2020
    Inventors: Wojciech KUCHARSKI, Elizeusz MUSIAL, Andrzej GRZESIK, Marcin TOMASIK, Chris A. KRUEGEL