Welcome to the resource topic for 2004/230
Title:
A Provable Secure Scheme for Partially Blind Signatures
Authors: Fuw-Yi Yang, Jinn-Ke Jan
Abstract:This paper proposes a new scheme for partially blind signature based on the difficulty in solving the discrete logarithm problem. Under the assumption of the generic model, random oracle model, and intractable ROS-problem, this paper formally proves that the proposed scheme is secure against one-more signature forgery under the adaptively parallel attack. Previous schemes using two signing equations for plain information and commitment. The proposed scheme uses two secret keys to combine these two signing equations, thus it is more efficient than previous schemes in both communicational and computational cost.
ePrint: https://eprint.iacr.org/2004/230
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