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中文摘要：
自毁技术已成为保障分布式系统私密性的最后手段，如何实现准确快速的自毁感知是一项严峻的挑战．由于私密性评价指标具有多层次、多因素的特点，本文提出了针对分布式系统私密性的模糊层次化评估方法作为分布式系统的自毁感知方法．基于该方法采用数据多重覆盖技术实现了分布式系统的快速自毁过程，实验结果显示，系统误毁率和漏毁率均控制在1％以下，数据恢复率在1％以下，该方法有效的保护系统数据的私密性．
英文摘要：
The self-destruction technology has been a final means to protect the privacy of distributed systems, and how to achieve fast and accurate self-destruction perception is a serious challenge. As the metric of privacy has the features of multi-level and multi-fac- tor, a fuzzy analytic hierarchy process（FAHP） of privacy is presented as the self-destruction perception method of distributed systems. Based on this method, data multiple covering technology is used in the realization of fast self-destruction process in the distributed sys- tems. The experimental results show that the method proposed can effectively protect the system data privacy owing to the fact that both the false rate of destruction and the leakage rate of destruction are less than 1% as well as the rate of data recovery is less than 1%.
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