Method for communicating securely between a mobile terminal and an apparatus for building systems technology or door communication

摘要

The method involves replacing finished identifiers mutually respectively by cryptographic certificates over encrypted and secure data connection (3). The encrypted and secure data connection is produced over any internet protocol-enabled data connection to the device (1,4,5,6) for building system technology or the door communication to which the authorization of the mobile terminal (2) is checked for mating. The authorization of the mobile terminal is checked for mating by a pin number is interrogated.