④The security of block cryptosystem and the feasibility of using chaotic theory in block cryptosystem are analyzed, and point out that the traditional S-box in block cryptosystem is static and irrespective with encryption process.
④对分组密码理论的安全性和混沌理论应用于分组密码的可行性进行了分析,指出由于传统分组密码中S-box的是一种静态结构且与密钥无关,而降低了加密算法的安全度。
参考来源 - 基于混沌理论的信息安全加密系统的应用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Using linear block codes to construct McEliece public-key cryptosystem essentially is constructing the securities of McEliece public-key cryptosystem by using linear block codes.
使用线性分组码用于构造m公钥体制本质上就是使用线性分组码构造m公钥体制的安全。
This paper gives a model of "one-group-one-cipher" cryptosystem based on DES. By combining the block-cipher and stream-cipher, the security of the system is thus strengthened.
提出一个以DES为基础的“一组一密”密码系统模型，将分组密码与流密码技术相结合，增强其安全性。
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