How to comprehensively utilize the two cipher systems such as block cipher and stream cipher to obtain better security and how to ensure IV security under cipher block chaining ( CBC) mode are concerned by cipher educational circles all along. 怎样综合利用分组密码和序列密码两种密码体制来得到较高的安全性,如何保证密码分组链接(CBC)方式中IV的安全性,一直是密码学界很关心的问题。
In this paper, an Advanced Encryption Standard ( AES) core which works in Cipher Block Chaining ( CBC) is developed in reconfigurable hardware. The design of the key unit is optimized based on the analysis of AES. 文中采用可重配置硬件设计了一个工作于CBC模式的AES核,并对关键单元的硬件设计进行了优化。
Pseudorandom analysis of cipher block chaining model 密文分组链接模式的伪随机性分析
A perfect block cipher scheme with cipher block chaining model is described for a symmetric encryption algorithm based on the chaotic attractors in discrete Hopfield neural networks. 离散Hopfield神经网络存在混沌吸引子,基于此可以构造新的加密算法。
A toggle-based two-dimensional cellular automata parallel encryption algorithm is proposed, which has been improved through the encryption mode of cipher block chaining ( CBC). 提出了基二维触发元胞自动机并行加密算法,并通过CBC的加密模式对该算法进行了改进以更好地用于加密图像。