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A Novel Untraceable Blind Signature Based on Elliptic Curve Discrete Logarithm Problem


Debasish Jena, Sanjay Kumar Jena, Banshidhar Majhi


Vol. 7  No. 6  pp. 269-275


In this paper, a novel Blind Signature Scheme (BSS) has been proposed. The scheme is based on Elliptic Curve Discrete Logarithm Problem (ECDLP). It allows a requester to obtain signature from a signer on any document, in such a way that the signer learns nothing about the message that is being signed. The scheme utilizes the inherent advantage of Elliptic Curve Cryptosystem in terms of smaller key size and lower computational overhead to its counterpart public cryptosystems such as RSA and ElGamal. The scheme has been proved to be robust, untraceable and correct. The proposed scheme can be used in various applications like E-voting, digital cash etc where anonymity of requester is required.


Blind signature, Elliptic Curve, ElGamal, Digital Signature, RSA