Blind Signature Scheme Based On Elliptical Curve Cryptography (ECC)

摘要

Blind signature is a concept to ensure anonymity of e-coins. Untracebility and unlinkability are two main properties of real coins and should also be mimicked electronically. A user has fulfill above two properties of blind signature for permission to send an e-coins. During the last few years, asymmetric cryptography based on curve based cryptography have becomes very popular, especially for embedded applications. Elliptical curves cryptography (CC) are the special case of elliptical curves (EC). EC operand size is only a fraction of the EC operand Size. EC Cryptography needs a group order of size at least 2~(160). In Particular for a cuve of genus two field F_(q-) with p long operands. Which is much better than the RSA using 1024 bit key length. The elliptic curve is best suited for the resource constraint environment s. It uses lesser key and provides more secure transmission of data.