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

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12212691
APP PUB NO 20230062888A1
SERIAL NO

17760200

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
INVENTIO AG6052 HERGISWIL

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Colombano, Claudio Beckenried, CH 7 5

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