Security Management Services Based on Authentication Roaming between Different Certificate Authorities

The purpose of this study is to incorporate the authentication roaming technology with existing social infrastructures from the perspective of users instead of that of service providers. By conducting experiments in the Business to Consumer (B to C) environment, the authors’ research demonstrated and confirmed the effectiveness of the authentication roaming technology to realize a safe and convenient network society. This technology contributes to the construction of a citizen-centric, reassuring system especially for mobile and transportation by proposing a cooperation system for the mobile information services based on the XML Web Services technology. The authors’ aim to enable mobile users to access a variety of essential information for maintaining safety and comfortable management of networks and enable them to make an educated decision regarding the treatment they may receive in case of trouble.