【摘要】 主要阐述一种网络安全基础设施———PK I,它是电子商务,电子政务等网络业务的安全保障。从PK I的组成、衍生的技术和实践应用等方面详细分析PK I的发展状况,优势和不足,最后简要探讨PK I未来的发展趋势。更多还原

【Abstract】 .The paper mostly illustrates an Infrastructure for network-safety——PKI,which is a guarantee in safety of the Electronical commerce and Electronical government.The paper analyzes in detail the development,advantage and deficiency of PKI in the aspect of composing,technology and practical application of PKI,at last,it also briefly discusses the unborn developing trend of PKI.更多还原