ProSe SECURITY SUPPORTING METHOD AND SYSTEM FOR PROXIMITY BASED SERVICE GROUP COMMUNICATION OR PUBLIC SAFETY IN MOBILE TELECOMMUNICATION SYSTEM ENVIRONMENT

摘要

The present invention relates to a system that enables a communication function to be performed on a device, and a communication method of a terminal according to an embodiment of the present invention provides a public safety indicator and a group communication indication to an MME. Transmitting an attach request message including at least one of the above; A connection accept message including at least one of a prose identifier for prose from the MME, a prose group identifier, a prose group), a prose-related function of the terminal), and a proxy-related security key. Receiving; transmitting a prose registration request message to the prose function server; And receiving a prose registration response message according to the authentication of the terminal from the prose function server. It may include. According to an embodiment of the present invention, in an environment such as EUTRAN or UTRAN / GERAN, devices may provide or receive information from each other within a group.