虚拟现场数字证据搜索技术综述

在虚拟犯罪现场固定数字证据前,需要在大量数据中搜索和定位与案件事实相关联的数字证据。为了及时准确定位数字证据,必须依赖计算机相关技术,虚拟现场常采用的搜索技术包括基于字符串的搜索技术、基于特征码的搜索技术、基于数字指纹的搜索技术、基于痕迹信息的搜索技术等。

Overview on Searching Technology of Digital Evidence from Virtual Scene

Before preserving digital evidence relative to the fact of cases from the virtual crime scene,it is required to search and locate it among massive data.In order to locate digital evidence promptly and accurately,it is necessary to adopt computer technologies associated,such as the searching technologies,in the area of virtual scene which involve the string-based searching technology,the signature-code-based searching technology,the finger-print-based searching technology and the trace-information-based searching technology.