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Designated Verifier Signature (DVS) guarantees that only a verifier designated by a signer can verify the “validity of a signature”. In this paper, we propose a new variant of DVS; Proxiable Designated Verifier Signature (PDVS) where the verifier can make a third party (i.e. the proxy) substitute some process of the verification. In the PDVS system, the verifier can reduce his computational cost by...
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