1. Takashio, K., Aoki, S., Murase, M., Matsumiya, K., Nishio, N., Tokuda, H.: Smart hot-spot: Taking out ubiquitous smart computing environment anywhere. In: International Conference on Pervasive Computing (Demo Presentations) (2002)
2. Weiser, M.: The computer for the twenty-century. Scientific American 265(3), 94–104 (1991)
3. Freier, A., Kartiton, P., Kocher, P.: The ssl protocol: version 3.0, Tech. Rep., Internet-draft (1996)
4. Kent, S., Atkinson, R.: Security architecture for the internet protocol, IETF RFC 2401 (1998)
5. Deffie, W., Hellman, M.E.: New directions in cryptography. IEEE Transactions on Information Theory IT-22, 644–654 (1976)