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Flatness and structural analysis as a constructive framework for private communication

机译:平坦度和结构分析作为私人通信的建设性框架

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This paper deals with the use of control theoretical concepts, essentially flatness, along with structural analysis, in the context of private communication. A new and systematic methodology to design a cryptographic architecture belonging to the special class of ciphers called Self Synchronizing Stream Ciphers (SSSC) is proposed. Till now, the constructions of SSSC were based on automata with finite input memory involving shifts or triangular functions (T-functions) as state transition functions. Besides, only ad-hoc approaches were available in the literature. The contribution of this paper is to propose a general framework to design SSSC involving dynamical systems taking the form of switched linear systems over finite fields with arbitrary state transition functions. An example of cipher with complete specifications is given. Its implementation on a small scale breeding of an ICS-SCADA equipment is described. (C) 2018 Elsevier Ltd. All rights reserved.
机译:本文涉及使用控制理论概念,基本上平整度以及结构分析,在私人沟通的背景下。 提出了一种新的和系统的方法来设计属于称为Self Sconchizing流密码(SSC)的特殊CIPHERS(SSC)的加密架构。 到目前为止,SSSC的结构基于自动机,其中有限输入存储器涉及换档或三角函数(T函数)作为状态转换函数。 此外,文献中只提供了临时方法。 本文的贡献是提出一般框架来设计SSSC,涉及采用具有任意状态转换功能的有限字段的开关线性系统形式的动态系统。 给出了具有完整规格的密码的示例。 描述了其对ICS-SCADA设备的小规模育种的实施。 (c)2018年elestvier有限公司保留所有权利。

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