Xiaoming Hu, Jian Wang, Huajie Xu and Wenan Tan A short and highly efficient identity-based designated verifier proxy signature scheme Security and Communication Networks 8
In this paper, we present a formal definition of security model for identity-based designated verifier proxy signature (ID-DVPS) scheme. We also propose a novel ID-DVPS scheme and show a formal security proof of our new scheme based on the bilinear Diffie–Hellman assumption. Compared with other ID-DVPS schemes, it has the following advantages: lower computational cost and shorter signature size (only one element is needed for a signature).
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