Design and implementation of a E-commerce system based on PKI

With the wide applications of Internet, it has gradually impacted and changed the life styles and business models. E-commerce is widely used in our daily life. More and more people pay attention to the security problems of E-commerce: confidentiality, integrity, availability, controllability, non-repudiation and accountability. In cryptology, those problems were solved by public key technology. Public Key Infrastructure(PKI) is the base and core of network security, it can provide good security services for the world of network, by using asymmetric encryption algorithms. This paper takes E-contract as an example and puts forward the solution of E-commerce by using technology PKI.