Patents by Inventor Markus Sauermann

Markus Sauermann 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 establishing a secure communication channel
    Patent number: 8953804
    Abstract: In a method for establishing a secure communication channel between a portable data carrier (10) and a terminal on the basis of an asymmetric cryptosystem, a value (X; Y; V; W) derived from a public key (PKD; PKT) of the cryptosystem is displayed on a display device (40) of the data carrier (10).
    Type: Grant
    Filed: September 22, 2010
    Date of Patent: February 10, 2015
    Assignee: Giesecke & Devrient GmbH
    Inventors: Jan Eichholz, Gisela Meister, Dirk Wacker, Markus Sauermann
  • METHOD FOR ESTABLISHING A SECURE COMMUNICATION CHANNEL
    Publication number: 20120189125
    Abstract: In a method for establishing a secure communication channel between a portable data carrier (10) and a terminal on the basis of an asymmetric cryptosystem, a value (X; Y; V; W) derived from a public key (PKD; PKT) of the cryptosystem is displayed on a display device (40) of the data carrier (10).
    Type: Application
    Filed: September 22, 2010
    Publication date: July 26, 2012
    Inventors: Jan Eichholz, Gisela Meister, Dirk Wacker, Markus Sauermann