Patents by Inventor Frank Ahnert

Frank Ahnert 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 and device for avoiding manipulation of a data transmission
    Patent number: 9894081
    Abstract: A method and device for avoiding manipulation of a data transmission. A message containing a message authentication code is received at a processing unit, the message from the processing unit is transferred to a hardware module, a check value as a function of the received message is computed in the hardware module, the received message authentication code and the check value are compared in the hardware module, a result of the comparison is transferred from the hardware module to the processing unit as an output variable, the message authentication code received in the message from the processing unit is checked in the processing unit based on the output variable.
    Type: Grant
    Filed: April 19, 2017
    Date of Patent: February 13, 2018
    Assignee: ROBERT BOSCH GMBH
    Inventors: Dirk Wagner, Andreas Soenkens, Frank Ahnert, Juergen Schramm, Thomas Hartgen, Werner Stadler
  • METHOD AND DEVICE FOR AVOIDING MANIPULATION OF A DATA TRANSMISSION
    Publication number: 20170310684
    Abstract: A method and device for avoiding manipulation of a data transmission. A message containing a message authentication code is received at a processing unit, the message from the processing unit is transferred to a hardware module, a check value as a function of the received message is computed in the hardware module, the received message authentication code and the check value are compared in the hardware module, a result of the comparison is transferred from the hardware module to the processing unit as an output variable, the message authentication code received in the message from the processing unit is checked in the processing unit based on the output variable.
    Type: Application
    Filed: April 19, 2017
    Publication date: October 26, 2017
    Inventors: Dirk Wagner, Andreas Soenkens, Frank Ahnert, Juergen Schramm, Thomas Hartgen, Werner Stadler