The k-error linear complexity of periodic sequences is one of the important security indices of stream cipher systems.
周期序列的k错线性复杂度是衡量流密码系统的安全性能的一个重要指标。
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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。
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。
Chaotic systems are sensitive to the initial condition, randomness and correlativity. They can produce good pseudo - stochastic sequences. Therefore, these systems are suitable to the stream cipher.
而混沌系统具有对初始条件敏感性、随机性、相关性等优良的密码学性能，能够产生性能良好的伪随机序列，所以很适合于序列加密。
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