Patent ID: 7627124
Filing Date: 2009-12-01
Classification: H04L,H04W

Abstract:
1. A method for an authentication to begin a wireless communication between a host device and a client device, the method comprising the steps of: sharing at least one of a host public key and a client public key with the host device and the client device, the host public key being unique to the host device and the client public key being unique to the client device, calculating a host connection key which is attributed to at least one of the host public key and the client public key, calculating a client connection key which is attributed to at least one of the host public key and the client public key, producing and outputting a first tone based on the host connection key, producing and outputting a second tone based on the client connection key, wherein if the authorization of the wireless communication between the host device and the client device are performed appropriately, the first tone is same as the second tone, and wherein after the authorization of the wireless communication between the host device and the client device are performed appropriately, the host device and the client device are ready to transmit data with each other.