基于模糊层次分析法的软件保护有效性评价

摘要

软件频频遭到逆向破解和攻击,因此各种保护技术应运而生并得到长足发展.然而,保护有效性如何度量一直备受业界关注.通过对现状分析,当前有效性评价研究处于探索阶段,且多是针对单一保护技术的有效性进行评价,难以适用于当前多保护技术综合使用的保护方案.对此,在对软件逆向攻击和保护技术深入研究的基础上,建立了软件保护有效性综合评价的指标体系,并选用模糊层次分析法建立了软件保护有效性综合评价模型.首先,采用层次分析法构建层次化的评价指标体系结构,并确定指标权重;然后,采用模糊综合评价法将评价数据进行综合模糊运算,得到量化的评价结果;最后,运用建立的评价模型结合实际案例进行了评价研究,实验结果表明该模型具有一定的可行性和有效性.%A series of protection technologies have emerged and developed rapidly as the software is reverse-cracked and attacked fre-quently.However,how to evaluate the effectiveness of software protection draws much attention of researchers and practitioners.The anal-ysis of status shows that the current effectiveness evaluation is still in the exploratory stage and for single protection technology mostly, which is difficult to apply to protection scheme of multi-technology.For this,based on further studying of software reverse attack and software protection,we set up a comprehensive evaluation index system,and establish comprehensive assessment model by FAHP(fuzzy analytical hierarchy process). Firstly,the hierarchical index system is built by analytical hierarchy process for determining of index weight.Secondly,the fuzzy comprehensive evaluation method is used to conduct the comprehensive fuzzy operations to evaluation data, getting the quantitative evaluation result.At last,the established evaluation model is researched combined with a actual case.The experi-ments show that the model is feasible and valid certainly.