Mi-Og Park

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GSM is the most popular standard for mobile phones in the world. In spite of the tremendous market growth, however, the GSM system has the fatal security problems in TMSI allocation protocol. These problems are right user authentication and location privacy. In this paper, we propose the secure TMSI allocation mechanism using the certification concept to(More)
This system proposes ubiquitous card service which is to give us the unique personalized information in UCity( Ubiquitous City). The user have to submit the personal information(considered one's intellectual powers, concerns, and age etc.) in U-Card(Secure Smart Card with PKI and RF tag) with secure channel to the information servers, and the user acquired(More)
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