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Realization of Secure Ambient Wireless Network System Based on Spatially Distributed Ciphering Function
Masashi OKADA Masahide HATANAKA Keiichiro KAGAWA Shinichi MIYAMOTO
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2013/11/01
Online ISSN: 1745-1337
Print ISSN: 0916-8508
Type of Manuscript: Special Section LETTER (Special Section on Smart Multimedia & Communication Systems)
Category: Mobile Information Network and Personal Communications
ambient information society, cognitive wireless network, security, spatially distributed ciphering function, IEEE 802.15.4,
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This paper proposes a secure wireless network system required for an ambient information society; it forms a privacy zone wherein terminals can securely communicate secret information using an arbitrary general radio channel. For this system, we introduce a scheme using a side-information from a special node. The information is used as an encryption key so that the detectable region of the key defines a privacy zone. We implement the scheme on the basis of IEEE 802.15.4 and realize the world's first ambient network platform with the above functionality. An experiment and demonstration show the effectiveness of the proposed system.