hadi shahidi-nejad - information technology group tarbiat modares university tehran

today on one hand B2B transactions are considered as one of the most important e-commerce issues in every country and certification authorization plays a crucial role in providing better security in this area on the other hand PKI interoperability models are now the subject of discussion research and pilot testing in international and regional forums therefore achieving a proper model to provide a high level interoperability between the certification authority models can be a good step toward better performance in iran B2B e-commerce. in this research besides hving brief look at iran B2B ecommerce systems the different PKI interoperability models are being discussed and compared. then according to the results of models comparison a certificate authority interoperability model is being introduced as the main result of the research

B2BE-commerce, certificate authority , public key infrastructure, security model