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本文讨论了数字签名问题的一般性理论,同时提出了数字签名方案应遵循的安全指标——多项式安全性,并给出由任一单向陷门函数构造具有这种安全性指标的数字签名方案的方法。
In this paper, we discuss the general theory of digital signatures and propose the safety index - polynomial safety to be followed in digital signature schemes. At the same time, we propose a digital signature scheme with such security index constructed by any one-way trapdoor function Methods.