Patent ID: 9729529
Date: 2017-08-08
CPC Classifications: H04L,H04W

Claim:
1. A method in a device for authenticating the device for use in a network comprising: transmitting a first request to a serving call session control function, the first request jointly requesting a first security context for use in securing a first type of communication and a second security context for use in securing a second type of communication, the first request initiating a proxy on behalf of the device to obtain authorization for the first security context and in parallel to obtain authorization from a bootstrapping server function for the second security context; receiving the first security context in response to the first request, and using the first security context to provide secure access and communication via the first type of communication; and receiving the second security context in response to the first request, and using the second security context to provide secure access and communication via the second type of communication.