Ticket-based access layer handover authentication method for LTE-R vehicle-ground communication
A communication access and authentication method technology, applied in the field of ticket-based LTE-R vehicle-to-ground communication access layer handover authentication, can solve the problem of non-confidentiality protection of synchronization parameters, difficulty in resisting desynchronization attacks, and lack of session keys Issues such as backward security
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[0049] A kind of embodiment of the present invention is, a kind of LTE-R vehicle-ground communication access layer handover authentication method based on ticket, its steps are:
[0050] A. Application form
[0051] After the vehicle-mounted mobile unit is started, it first completes the initial authentication of the non-access layer through the forwarding of the source base station, completes the authentication with the source mobility management entity, and shares the master key K ASME ;
[0052] The source mobility management entity utilizes the master key K ASME Generate target master key TK ASME ; Then select a random number as the target local parameter TN M , and then use the key K shared with the target mobility management entity M-M Encrypted target master key TK ASME and the target local parameter TN M , to generate the target note TST M ; Then the target master key TK ASME , target local parameter TN M and target note TST M connected in series to form the ...
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