Research on Trust Model of PKI

PKI is a new security technology, its role is to provide information security services, can use it to ensure that the network information security. This article describes the theoretical basis of PKI and related technologies and concepts, analysis and comparison of PKI-based trust model: hierarchical trust model, peer trust model, network trust model, hybrid trust model. Analyzes the current PKI trust management and related lack of trust management system, given the open network environment, trust management system should have features.