该方案是基于椭圆曲线，采用一次一密签名构造的，具有安全性高，速度快，密钥量小，便于实现等优点。
This scheme that is constructed based on elliptic curve with one-time pair of keys has the merits of security, efficiency, smaller key and easy realization.
因此构造出高次、非线性度高的置换是一个重要的研究问题。
Therefore constructions of permutation with high degree and high nonlinearity have become an important study problem.
因此构造出高次、非线性度高的布尔置换是一个重要的研究问题。
Therefore constructions of Boolean permutation with high degree and high nonlinearity have become an important study problem.
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