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传统流密码体制的安全性已越来越严重地受到各种攻击的威胁,对此人们在尽各种努力寻找新型的安全体制。本文发展了早期人们考虑到的信息反馈流密码体制,分析了它们的安全性并指出这种新型流密码的实用价值。初步分析表明,信息反馈流密码体制具有较高的安全性。
The security of the traditional stream cipher system has been increasingly threatened by attacks of all sorts and people are making every effort to find a new type of security system. This paper develops the information feedback flow cipher system that people consider in the early stage, analyzes their security and points out the practical value of this new cipher. The preliminary analysis shows that the information feedback flow cryptosystem has high security.