Traditional security computing provides fixed security service capability,making it impossible to reconfigure the security system based on changes in the network environment and security needs.Therefore,its adaptive capacity is poor and its security management becomes complicated.Besides,the ratio of hardware reuse is low.Reconfigurable security computing provides a new method to improve the flexibility,adaptability and extensibility of the system.This paper describes the development of reconfigurable security computing,preliminarily studies on its connotation and significance,puts forward its concept model and discusses the key technology and its research status in detail.What''s more,the development trend of reconfigurable secure computing is analyzed.Reconfigurable information security system integrates the new computing and information security technique.It is the inevitable development trend and will provide a broader application for information security technology.%传统安全计算提供固定的安全服务能力,无法根据环境和安全需求的变化灵活配置,导致安全管理复杂,软硬件资源重复利用率低.可重构安全计算为提升系统灵活性、适应性和可扩展性提供了新的手段.本文阐述了可重构安全计算的发展历程,初步研究了其内涵与意义,提出了可重构安全计算的概念模型,并详细论述了其中的关键技术及其研究现状,最后分析了可重构安全计算的发展趋势.可重构信息安全系统是新型计算与信息安全技术融合的必然产物,必将为信息安全技术提供更广阔的应用空间.
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