首页> 中文期刊> 《电子科学学刊(英文版)》 >SECURITY ANALYSIS AND IMPROVEMENT OF A NEW THRESHOLD MULTI-PROXY MULTI-SIGNATURE SCHEME

SECURITY ANALYSIS AND IMPROVEMENT OF A NEW THRESHOLD MULTI-PROXY MULTI-SIGNATURE SCHEME

         

摘要

Kang, et al. [Journal of Electronics(China), 23(2006)4] proposed a threshold multi-proxy multi-signature scheme, and claimed the scheme satisfies the security requirements of threshold multi-proxy multi-signature. However, in this paper, two forgery attacks are proposed to show that their schemes have serious security flaws. To overcome theses flaws, an improvement on Kang, et al.’s scheme is proposed.

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