Patents by Inventor Gunnar Hettstedt

Gunnar Hettstedt 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).

  • Protection unit for a programmable data-processing system
    Patent number: 9778642
    Abstract: A data-processing system having at least one operating memory holding operating data is provided with a protection unit having an execution environment protected from unauthorized access. At least one monitoring logic in the execution environment is connected to the operating memory for monitoring unauthorized modifications, access, or similar protection violations of the operating data stored in the operating memory and for generating an output on detection of such a protection violation. A protection logic in the execution environment holds replacement data capable of replacing the operating data and is connected to the monitoring logic for, on generation of the output, providing to the operating memory the replacement data for the operation or for a substitute operation of the data-processing system.
    Type: Grant
    Filed: March 11, 2008
    Date of Patent: October 3, 2017
    Assignee: secunet SECURITY NETWORKS AKTIENGESELLSCHAFT
    Inventors: Marco Hofmann, Harry Knechtel, Gunnar Hettstedt, Marc Lindlbauer
  • PROTECTION UNIT FOR A PROGRAMMABLE DATA-PROCESSING SYSTEM
    Publication number: 20080235473
    Abstract: A data-processing system having at least one operating memory holding operating data is provided with a protection unit having an execution environment protected from unauthorized access. At least one monitoring logic in the execution environment is connected to the operating memory for monitoring unauthorized modifications, access, or similar protection violations of the operating data stored in the operating memory and for generating an output on detection of such a protection violation. A protection logic in the execution environment holds replacement data capable of replacing the operating data and is connected to the monitoring logic for, on generation of the output, providing to the operating memory the replacement data for the operation or for a substitute operation of the data-processing system.
    Type: Application
    Filed: March 11, 2008
    Publication date: September 25, 2008
    Inventors: Marco HOFMANN, Harry Knechtel, Gunnar Hettstedt, Marc Lindlbauer
  • Secure communication unit
    Publication number: 20080192929
    Abstract: A vehicle having electrical or electronic components connected to a communication network also has a security unit connected to the network. This security unit in turn has at least one cryptography module connected to the communication network and with which cryptographic codes are generated, stored, managed or processed and at least one coordination module for the coordination of individual modules within the security unit.
    Type: Application
    Filed: February 11, 2008
    Publication date: August 14, 2008
    Inventors: Harry Knechtel, Marco Hofmann, Gunnar Hettstedt, Marc Lindlbauer