A New Signature Scheme Based on Factoring and Discrete Logarithm Problems

Swati Verma, Birendra Kumar Sharma


In 1994, He and Kiesler proposed a digital signature scheme which was based on the factoring and the discrete logarithm problem both. Same year, Shimin-Wei modified the He-Kiesler signature scheme. In this paper, we propose an improvement of Shimin-Wei signature scheme based on factorization and discrete logarithm problem both with different parameters and using a collision-free one-way hash function. In our opinion, our scheme is more secure than the earlier one.

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