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Cellular Automata Applied in Cryptography

Author: LiXiuJuan
Tutor: YaoQuanZhu
School: Xi'an University of Technology
Course: Applied Computer Technology
Keywords: Cellular Automata Keystream Pseudo-random sequence Cycle Random Features
CLC: TN918.1
Type: Master's thesis
Year: 2005
Downloads: 152
Quote: 0
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Abstract


As e-commerce , e-government and other network services , the rapid development of information security protection technology put forward higher requirements. As the core of information security and cryptography research autonomy of national and social information is the basis and prerequisite information process of national interests and safeguard the fundamental interests of society . Cellular automata fit specific VLSI implementation of simple rules , highly parallel physical structure and dynamics of the complex is ideal for applications in cryptography , cryptographic techniques are considered the most promising aspects of autonomy core technologies. In this paper, the basic theory of cellular automata , cellular automata applications in cryptography has been studied , focusing on two-dimensional von - Neumann -type neighborhood structure of cellular automata . This structure is based on cellular automata proposed maximum period of cellular automata construction method based on this construction method proposed key stream occurs ; cellular automata by introducing genetic algorithm, based on the competitive survival strategies in biology Select entropy large value transformation rules proposed by cellular automata method made ??pseudo-random sequence , the last of cellular automata in cryptography application security analysis. Studies have shown that cellular automata based cryptographic techniques can not only simplify the password system design, but also improve the performance of the system password . Cellular automata technology is likely to become one of the core technology independent cryptography , which makes studying cellular automata in cryptography application has a very important value.

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