Abstract

identification schemes have been proposed in which security are based on the intractability of factoring or DLP (Discrete Logarithm Problem). In 2009, Massoud et.al gave identification scheme whose security was based on solving ECDLP (Elliptic Curve Discrete Logarithm Problem). The security of this scheme is improved in order to propose a more secure and efficient scheme. The security of proposed scheme is based on expressing torsion point of elliptic curve into linear combination of basis points. This is more complicated than solving ECDLP and thus provides a higher level of security. Also proposed scheme is more efficient with respect to encryption and decryption since it requires only minimal operations in both algorithms.

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