Patents by Inventor Michael GRUSCHWITZ

Michael GRUSCHWITZ 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).

  • Patent number: 8978118
    Abstract: An OT or Oblivious Transfer protocol is used to output pseudonym tokens from a list of pseudonym tokens to user entities such that it is possible to obtain pseudonymized authentication by a preceding verification of proof of identity of the respective user entities and marking pseudonym tokens as used as soon as the same are used for authentication by means of the OT protocol after the output.
    Type: Grant
    Filed: January 6, 2012
    Date of Patent: March 10, 2015
    Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: Patrick Aichroth, Sebastian Mann, Michael Gruschwitz, Jens Hasselbach
  • Publication number: 20120167189
    Abstract: An OT or Oblivious Transfer protocol is used to output pseudonym tokens from a list of pseudonym tokens to user entities such that it is possible to obtain pseudonymized authentication by a preceding verification of proof of identity of the respective user entities and marking pseudonym tokens as used as soon as the same are used for authentication by means of the OT protocol after the output.
    Type: Application
    Filed: January 6, 2012
    Publication date: June 28, 2012
    Applicant: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: Patrick AICHROTH, Sebastian MANN, Michael GRUSCHWITZ, Jens HASSELBACH