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Use of Spectral Techniques in the Design of Symmetrical Cryptosystems

机译:频谱技术在对称密码系统设计中的使用

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摘要

By using the theory of finite field Fourier transforms, the subject of nonlinear filters of m-sequences is described in a language familiar to the field of signal processing. The most important use of spectral techniques in the design of nonlinear filters is summarized. Many classes of nonlinear filters are given a spectral interpretation and nonlinear filters with right cryptographic properties are described. In particular, the steps to obtain nonlinear filters with large linear complexity and period are shown.
机译:通过使用有限域傅立叶变换理论,以信号处理领域熟悉的语言描述了m序列的非线性滤波器的主题。总结了光谱技术在非线性滤波器设计中的最重要用途。给出了许多类别的非线性滤波器的频谱解释,并描述了具有正确密码学性质的非线性滤波器。特别地,示出了获得具有大的线性复杂度和周期的非线性滤波器的步骤。

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