Description
TL;DR: A compact blind-signature construction combining a GOST-style signing structure with elliptic-curve keys, plus three simplified variants and security arguments.
About This Document
Hossein Hosseini, Behnam Bahrak, and Farzad Hessar propose a blind-signature scheme based on the elliptic-curve discrete logarithm problem. They describe blindness and unforgeability requirements, compare the construction with earlier RSA, Schnorr, GOST, and elliptic-curve approaches, and present three reduced schemes intended to lower computational cost. The authors provide security and time-complexity analyses for the designs.
Why Bitcoin People May Care
This is not a Bitcoin paper. Blind signatures belong to the electronic-cash and privacy-protocol history that predates Bitcoin, while elliptic-curve signatures also make the cryptographic vocabulary familiar. The signing goals are still different: Bitcoin transactions use publicly verifiable authorization, not this paper's signer-blinding workflow. That distinction is the useful part.
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Document Details
- Title: A GOST-Like Blind Signature Scheme Based on Elliptic Curves
- Author / organization: Hossein Hosseini, Behnam Bahrak, and Farzad Hessar
- Year: 2013
- Language: English
- Document type: Cryptography research paper
- Pages: 9
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