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基于离散对数问题给出了一类新型 (tj,t ,n)门限群签名方案 ,该类群签名方案与一般的群签名方案相比具有如下特点 :(1 )各签名者可具有不同的权力 ;(2 )可通过灵活设置参数得到满足不同应用需求的解决方案 .同时还对这类方案的安全性进行了安全论证
A new type of (tj, t, n) threshold group signature scheme is proposed based on the discrete logarithm problem. Compared with the general group signature scheme, this group signature scheme has the following characteristics: (1) Each signer can have different powers ; (2) Through the flexible setting of parameters, we can get the solutions to meet different application requirements. At the same time, the safety of such schemes is also demonstrated