A System Integration Model for Electric Purchase Systems and Electric Payments Systems with A Mobile Agent

YAMASAKI Shigeichiro, SUGA Yuji, ARAKI Keijiro

In this paper, we propose a model to integrate distributed services over the internet. To examine our model, we picked up a case that integrates electric purchase systems and electric payment systems as an application of our model. In this case, crucial problems are as follows; (1) To integrate these distributed services, the authentication system of the each service must have an ability to judge the equality of individual users of the various kinds of services. To realize this, our model should have some method to exchange digital certificates that have different use policies. (2) From the point of the view of a customer, a purchase and a payment is one transaction. To realize this, our model should have some method to keep a customer's context of distributed processes among servers of shops and servers of banks. As the method to exchange digital certificates of different use policies, we propose "Separation of Tree Authority Model (S3A model)" which divides the authority of "Certificate Authority (CA)" to authentication of an individual, issue certificate and application of use policy. As the method to keep a context of a customer who use distributed services, we propose a "Secure Mobile Transaction Layer (SMTL)" that utilize mobile agent technology.

A System Integration Model for Electric Purchase Systems and Electric Payments Systems with A Mobile Agent

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