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ECID: Elliptic Curve Identity-based Blind Signature Scheme

摘要


With the increasing development of computer and network technology, blind signature scheme has been widely used in electronic cash, electronic election, casual transmission and other fields. It can resolve the conflict between anonymity and controllability, protecting user's privacy while tracing their identities. The traditional blind signature scheme has many problems, such as high storage cost and communication cost. To solve the above problems, a blind signature scheme based on elliptic curve-identity is proposed, which adopts the dot product operation on elliptic curve to replace the bilinear pair operation and reduces the computational overhead. Under the random oracle model, the unforgeability attack is proved. And we give the security analysis of the new scheme.

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