Methods, Systems, Devices and Products for Authentication

摘要

A communication device having a controller transmits to a communication system a PKI certificate. Encrypted communications may commence responsive to receiving a public key. The communication system can have a plurality of network elements that integrate operations of a circuit-switched communication network and a packet-switched communication network.

主权项

1. A method, comprising:
receiving, by a server, a registration message from a communications device, the registration message requesting authentication and specifying a certificate associated with the communication device; determining, by the server, a previous registration associated with the communications device, the previous registration conducted using the certificate; retrieving, by the server, a public key for registering the communications device; and sending, by the server, the public key to the communication device in response to the previous registration.