AKA Protocols for Mobile Communications

This paper proposes a modified signcryption scheme that provides signer anonymity. In addition, an efficient 2-pass authentication and key agreement protocol that uses the proposed signcryption scheme is presented for the mobile communication air-interface. The use of the modified scheme in the implementation of the ASPeCT protocol is demonstrated to generate a lower computational load than other methods. A modified ASPeCT protocol, which satisfies forward secrecy, is also proposed.

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