In this paper, many password authentication schemes are proposed based on both the discrete problem and factorisation problem. In addition, three new signature schemes are presented and investigated.

本文首先利用离散对数和分子因解问题提出了许多口令认证方案。其次建立并分析了三个新型数字签名方案。

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Instead, mathematicians turn to other, indirect, methods that can test for primality without factorisation.

ECONOMIST: Number theory