Patent ID: 8327144
Filing Date: 2012-12-04
Classification: H04L,H04W

Abstract:
1. An authentication method for inter-domain information communication applied to a first electronic device belonging to a first domain and a second electronic device belonging to a second domain that desire to perform information communication via the Internet, the method comprising: requesting, by a processor in the first electronic device, to request a first proxy server in the first domain to find an intermediary node device that is simultaneously registered in the first and second domains; registering, by the processor in the first electronic device, through the intermediary node device, with a second key distribution center in the second domain, to obtain a first key, and transmitting, by the processor in the first electronic device, a first ticket containing the first key to the second electronic device; receiving, by a processor in the second electronic device, the first ticket, and then, through the intermediary node device, registering, by the processor in the second electronic device, with a first key distribution center in the first domain, to obtain a second key, and transmitting, by the processor in the second electronic device, a second ticket containing the second key to the first electronic device; and generating, by the processors in the first and second electronic devices, a shared third key according to the first and second keys so as to perform information communication authentication.