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An ECC-Based Blind Signature Scheme

Author(s): Fuh-Gwo Jeng | Tzer-Long Chen | Tzer-Shyong Chen

Journal: Journal of Networks
ISSN 1796-2056

Volume: 5;
Issue: 8;
Start page: 921;
Date: 2010;
Original page

Keywords: Elliptic curve cryptosystem (ECC) | Blind signature | Electronic voting system | Cash payment system | E-commerce

Cryptography is increasingly applied to the E-commerce world, especially to the untraceable payment system and the electronic voting system. Protocols for these systems strongly require the anonymous digital signature property, and thus a blind signature strategy is the answer to it. Chaum stated that every blind signature protocol should hold two fundamental properties, blindness and intractableness. All blind signature schemes proposed previously almost are based on the integer factorization problems, discrete logarithm problems, or the quadratic residues, which are shown by Lee et al. that none of the schemes is able to meet the two fundamental properties above. Therefore, an ECC-based blind signature scheme that possesses both the above properties is proposed in this paper.
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