Abstract
AbstractAn Identity-based signature scheme is proposed based on additive elliptic curve group. The verification result of the signature is a constant with respect to the signer’s identifier. Then an inter-domain authentication scheme is constructed by combining the proposed signature scheme. During the authentication, a user constructs the signature of timestamp as authentication proof, which realizes secure inter-domain authentication and user anonymity. It is showed that the proposed scheme has superiority in both security and efficiency, and is more suitable for pervasive computing.Keywordspervasive computinginter-domain authenticationIdentity-based cryptographyanonymity
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