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Security problems for a pseudorandom sequence generator based on the Chen chaotic system
DOI:10.1016/j.cpc.2013.04.014.png)
摘要
En 中文
Recently, a novel pseudorandom number generator scheme based on the Chen chaotic system was proposed. In this study, we analyze the security weaknesses of the proposed generator. By applying a brute force attack on a reduced key space, we show that 66% of the generated pseudorandom number sequences can be revealed. Executable C# code is given for the proposed attack. The computational complexity of this attack is O(n), where n is the sequence length. Both mathematical proofs and experimental results are presented to support the proposed attack. (C) 2013 Elsevier B.V. All rights reserved.
Keyword:
Chaos
Cryptography
Pseudorandom number generator
Cryptanalysis
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期刊
IF:
3.4
论文数:
1.2W
被引数:
3.7W

