Efficient anonymous roaming authentication scheme using certificateless aggregate signature in wireless network

Efficient anonymous roaming authentication scheme using certificateless aggregate signature in wireless network

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click here To solve the privacy-preserving problem during the roaming authentication of wireless mobile networks, a novel roaming authentication scheme with anonymity was presented.An efficient certificateless aggregate signature scheme was first constructed, by introducing the online/offline signature and combining the aggregate signature.Com-pared with the related schemes, the proposed scheme has higher efficiency in computations of both signature and verifi-cation, and also improves the efficiency in communications.Furthermore, based on the proposed signature scheme, a novel roaming authentication scheme with anonymity was presented, in which it simplified the traditional three-party au-thentication model.

The theoretical analysis chorulon hcg shows that this scheme is secure and effective, and thus it is especially suit-able for large-scale wireless mobile networks.