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【摘 要】
：
Chaos-based encryption schemes have been studied extensively, while the security analysis methods for them are still problems to be resolved. Based on the perio
【机 构】
：
College of Computer and Communication, Changsha University of Science and Technology, Changsha 41007
【出 处】
：
中国物理（英文版）
【发表日期】
：
2007年8期
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