The advances information and communications technology, especially the Internet, have created the opportunity to improve the administrative efficiency and service quality in governments of many nations. Official documents in Taiwan are traditionally sent to their corresponding recipients through the postal service. It has not been possible to securely transfer official document via the open network using off-the-shelf e-mail systems. We present our work on integrating smartcard-based security services (confidentiality, authentication, and nonrepudiation) into XML-based document exchange systems.
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