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This paper considers the problem of blindly extracting data embedded over a wide band in a spectrum (transform) domain of a digital medium (image, audio, video). We first develop a multi-signature iterative generalized least-squares (M-IGLS) core procedure to seek unknown data hidden in hosts via multi-signature direct-sequence spread-spectrum embedding. Neither the original host nor the embedding...
Due to the extensive use of wireless technologies, security is one of the most important and challenging issues in smart grid networks. To secure data communications, strong authentication and key management mechanisms are needed. In this paper, we propose a mutual authentication scheme and key management protocol tailored for Home Area Network (HAN) with low overhead and enhanced robustness. Using...
For a better compatibility, proxy mobile IPv6 (PMIPv6) has been proposed as a network-based mobility management protocol without the requirement of the participation of mobile terminals. With the feature of localized mobility, PMIPv6 is often used in vehicular ad hoc networks (VANETs) to suit for the high mobility property in vehicles. However, the design of PMIPv6 does not consider security issues...
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