Stream cipher and block cipher are main cipher systems in image encryption algorithm based on bit operation.
流密码与分组密码是基于位运算的图像加密算法中两种主要密码体制。
The k error linear complexity of periodic sequences is one of the important security indices of stream cipher systems.
公钥密码系统以其算法设计简单、安全性高已经成为密码学领域的一个非常重要的研究课题。
A novel block cipher based on chaotic systems is presented.
提出了一种新的基于混沌的分组密码算法。
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