Analysis and Improvement of Digital Multi-signature on Generalized Conic Curve over Z_n
Wang Bia · Xinxi wangluo anquan · 2014
This paper analyzes the security leaks of a digital multi-signature scheme on the generalized conic curve over Zn, named LWL. Demonstrates that the signatures of any message can be forged without solving the discrete logarithm problem. To solve these problems, this paper proposes an improved scheme, and analyzes its communication traffic and computational efficiency. Compared with the RSA scheme, the improved new scheme has less traffic and more efficiency.