Comparative research on two kinds of certification systems of the public key infrastructure (PKI) and the identity based encryption (IBE)

摘要

There are two kinds of certification systems now: one is the certification system realized on the basis of PKI technology; the other one is the certification system realized on the basis of IBE technology. The article does comparative research on terms of the concepts and structures of PKI and IBE systems and the advantages of IBE system compared to PKI system, and makes comparative analysis on the strengthens and weaknesses of the two kinds of certification systems, in order to make it applied to different environment better.