Inventor

FRIES STEFFEN

DE85 patents

⚠️ This page may combine multiple inventors who share the name “FRIES STEFFEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FRIES STEFFEN

SIEMENS AG

Method for the encrypted transmission of synchronization messages

Method and apparatus for transferring data in a publish-subscribe system

Method and device for transferring data in a topic-based publish-subscribe system

Device and method for detecting manipulation of a program code

Determination of a device-specific private key for an asymmetrical cryptographic method on a device

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

Device, method and system for detecting and resolving time information of different administrative domains

Establishing secure communication without local time information

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

Authorization apparatus and method for an authorized issuing of an authentication token for a device

Modular security control device

Authorizing a user by means of a portable communications terminal

Authenticating a communication partner on a device

Method and devices for providing at least one service, in particular in the automotive environment

Method and devices for providing at least one service, in particular in the automotive environment

Method and system for disclosing at least one cryptographic key

Method for verifying a security classification of a first device using a digital certificate, a first and second device and certificate issuing apparatus

Updating of a digital device certificate of an automation device

Protective apparatus and network cabling apparatus for the protected transmission of data

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

Method and system for producing a secure communication channel for terminals

Method and arrangement for data communication in a cryptographic system containing a plurality of entities

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

Communication system, method for registering a communication relationship and gateway computer

Method and system for detecting a cyber-attack on a machine controller

Method for issuing a cryptographically protected certificate of authenticity for a user

Integrity monitoring in automation systems

Method for validating a digital user certificate

Method and apparatus for exchanging messages

FALK RAINER

Method for monitoring a tamper protection and monitoring system for a field device having tamper protection

Method for certificate-based authentication

Device and method for storing electrical energy

Method and device for providing a cryptographic key for a field device

Control network for a rail vehicle

Method for certificate-based authentication

Random number generator and method for generating random numbers

Method and system for secure data transmission with a VPN box

Charging device for charging a vehicle accumulator

Arrangement and method for locking an automatic reeling mechanism of a charging cable for an electric vehicle

Method and apparatus for authenticating multicast messages

Method for testing electrical components in main supply, in particular in building

BUSSER JENS-UWE

Method and apparatus for providing a one-time password

Method for issuing a digital certificate by a certification authority, arrangement for performing the method, and computer system of a certification authority

Method and apparatus for providing a key certificate in a tamperproof manner

FRIES STEFFEN

Method and device for securely transmitting data

Method for establishing a secure connection from a service technician to a component of an automation environment that can be remotely diagnosed and/or maintained and is experiencing failure

Security module for encrypting a telephone conversation

FISCHER KAI

Method for exchanging data between a mobile telephone and a fixed line telephone

BUΒER JENS-UWE

Method and apparatus for checking the integrity of data stored in a predetermined memory area of a memory