Inventio Ag

Claudio Colombano

Adrian Bünter

Andrew D Paice

Adrian Bunter

Philipp Lüthi

Thomas Raber

Thomas Räber

Andrew Paice

Thomas RÄBER

Adrian BÜNTER

Philipp Luthi

A method of operating a computer-controlled first device for establishing a secure data communication with a computer-controlled second device in a passenger transportation arrangement distributed control system includes: generating an encryption key including a public and private key pair; creating credentials (e.g. X.509 certificate) based on the generated encryption key; preparing a certificate signing request CSR and dispatching the CSR via a secured data communication path to a certificate authority CA that is based on a public key infrastructure PKI operated by the passenger transportation arrangement operator; receiving the certificate from the CA with a signature using a private key held secret by the operator; establishing the secure data communication with the second device by transmitting the credentials to the second device, wherein the second device accepts establishing the secure data communication upon verification of the signature of the credentials executed using a public key of the operator.

Method of operating a computer-controlled device for establishing a secure data communication in a distributed control system of a passenger transportation arrangement

A process for operating an elevator control device, whereby for local access to the elevator control device via a programming device, the elevator control device automatically sends an identifier to the programming device and the identifier is input to an operator panel associated with the elevator control device. The elevator control device permits the local access when the previously sent identifier has been entered correctly within a predetermined input time.

Method for operating an elevator control device including sending an authorization code

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Ennetbürgen, Switzerland

Claudio Colombano