提出一种基于PKI的电子公文安全管理方法(SMMED)。该方法为电子公文提供了保密性、完整性和不可否认性等高强度的安全性服务。详细阐述了SMMED的理论模型,并描述了应用SMMED的网上招投标系统的结构,最后概括出本方法的优势所在。
This paper presended a PKI-based secure management mechod for electronic documents (SMMED). This method provided some secure services in high degree, including confidentiality, integrity and nonrepudiation. This paper first described SMMED' s theoretical model, then introduced the architecture of a sealed bid auction system which adopted SMMED, and finally listed the advantages of this method.