Patents by Inventor Carsten Sattler

Carsten Sattler 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 for managing keys in a manipulation-proof manner
    Patent number: 9674164
    Abstract: A method manages keys in a manipulation-proof manner for a virtual private network. The method includes authenticating a communication terminal on an authentication server by use of a first key over a public network and providing a communication key, which is suitable for the communication over a virtual private network in the public network, for the authenticated communication terminal over the public network. The communication key in the communication terminal is encrypted by a second key, which is provided by a manipulation-protected monitoring device.
    Type: Grant
    Filed: October 24, 2011
    Date of Patent: June 6, 2017
    Assignee: Siemens Aktiengesellschaft
    Inventors: Rainer Falk, Carsten Sattler, Matthias Seifert