Hans Aschauer

Communication System, Adapter for a Terminal and Method for Securely Transmitting Time-Critical Data within the Communication System

Method and System for Onboarding an IOT Device

Establishing secure communication without local time information

Key management in an integrated circuit

Method for verifying an execution environment used for execution of at least one hardware-application provided by a configurable hardware module

Method and configurable hardware module for monitoring a hardware-application

Method for operating keystream generators for secure data transmission, the keystream generators being operated in counter mode, keystream generator having counter mode operation for secure data transmission, and computer program product for keystream generation

Issuing device and method for issuing and requesting device and method for requesting a digital certificate

Interface for a hardware security module

Method and apparatus for exchanging messages

Method and apparatus for generating a cryptographic time stamp for a digital document on a majority basis

Device unit suitable for operation in a protected and/or open operating state and associated method

Method and programmable hardware security module

Verification of sensor data

Methods and apparatuses for achieving a security function, in particular in the environment of a device and/or installation controller

Methods and apparatuses for achieving a security function, in particular in the environment of a device and/or installation controller

Apparatus and method for creating an asymmetric checksum

Method for protecting security-relevant data in a cache memory

Modular security control device