混沌理论在密码学中的应用

密码学在现代信息社会中具有特殊的重要性,混沌的良好特性给密码的设计提供了新的手段.混沌密码技术是现代密码学发展的一个重要成果,具有很大的发展潜力,已经成为当前信息安全领域的一个研究热点.笔者对密码学和混沌理论的有关问题进行了讨论.分析了混沌理论在密码学上的应用--混沌加密的原理、方法,阐述了近年来混沌加密相关问题的研究进展,最后在指出混沌加密所具有的优势的同时总结了其存在的不足及其今后研究的课题.

Application of Chaos Theory in Cryptography

Cryptography has the crucial importance in modern info-society. The merits of chaos have brought a new means for the design of cryptography. As a brilliant achievement of modern cryptography, chaotic cryptography has great potential and becomes more and more popular in info-security field. The corresponding problems about cryptography and chaos theory are discussed in detail. The theory and method of the chaos-based cryptography is analyzed, the recent research development of chaos-based cryptography is expatiated. Both advantages and disadvantages of chaos-based cryptography are summarized and the future research trends are outlined.