In chapter two, a new q-ary generalized self-shrinking sequence is introduced. The sequences generated have good pseudo-randomness.
在第二章提出了一类新的广义自缩序列，研究表明该类序列具有较好的伪随机性质；
In this paper we mainly investigate the pseudo-randomness and security of a new designed sequence-generalized self-shrinking sequences.
本文主要分析讨论了广义自缩序列的伪随机性以及安全性。
Generalized self -shrinking sequences is a class of sequence, which is based on LFSR, with irregularly clocked, and it has good pseudo-randomness.
广义自缩序列是基于LFSR的一类非常规钟控的序列，具有良好的伪随机性，可以用作加密时的密钥流。
Random testing and correlation analysis were done on binary sequence. The results show that the binary sequence has good pseudo-randomness and correlation, and appropriate to be encryption key.
对二值序列做随机性检验和相关性分析的结果表明，该二值序列具有良好的伪随机性和相关性，适合作为加密密钥。
This paper discusses other pseudo randomness of such sequences.
本文讨论了此类序列的其它伪随机性。
Linear complexity and its robustness are important features of pseudo randomness.
线性复杂度及其稳定性是序列伪随机性的重要度量指标。
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。
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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