network
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... session key distribution in Universal Mobile
Telecommunications System (UMTS) networks. AKA is a challenge-
response based mechanism that uses symmetric cryptography ...
... AuC
Authentication Center. The network element in mobile networks
that can authorize users either in GSM ...
... Authentication Center. The network element in mobile networks
that can authorize users either in GSM or in UMTS ...
... authentication vector contains a random challenge RAND, network
authentication token AUTN, expected authentication ...
... authentication request, which contains the
random challenge RAND, and the network authenticator token AUTN ...
... AUTN with the ISIM. If the verification is
successful, the network has been authenticated. The client then
...
... SQN. The
AUTS parameter is delivered to the network in the authentication
response, and the authentication ...
... attacker replays an old
authentication request sent by the network. The client will be able
to detect that the request is old, and refuse authentication ...