Patent ID: 9232391
Filing Date: 2016-01-05
CPC Classification: H04L,H04W

Claim Text:
1. An authentication system for device-to-device communication, comprising: first user equipment; and an authentication server, communicating with the first user equipment, comprises: wherein when the first user equipment sends the connection request to the authentication server, the authentication server performs the authentication procedure on the first user equipment and provides key generation information to the first user equipment, the authentication server generates the server key according to the key generation information and a key derivation procedure, and the first user equipment generates an equipment key according to the key generation information and the key derivation procedure, so as to obtain device-to-device authentication, such that the first user equipment and a second user equipment obtaining the device-to-device authentication are able to directly perform the device-to-device communication without performing the device-to-device communication through the authentication server.