System and method for managing authentication for the direct communication between mobile communication terminals of a mobile radio communication system
Abstract:
The invention relates to a communication system (1) comprising a local mobile communication terminal (10) and a remote mobile communication terminal (20), configured to establish a direct mode link after prior authentication of the remote mobile communication terminal, the local mobile communication terminal (10) further comprising: a subscription database (11) adapted to include security information; a security management entity emulator (12) adapted to emulate an access interface to a subscription database (11), and, a proxy module (13) configured to relay an authentication request to the security management entity emulator (12) for the authentication of said remote mobile communication terminal (20) to the subscription database (11) of said local mobile communication terminal (10).
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