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The replication and dissemination of multimedia data become increasingly convenient and efficient, so a lot of redundant multimedia data, especially image files, have been generated and stored on the Internet. Therefore, it is necessary to perform deduplication of images. However, the existing deduplication methods of regular files are hash-based, which cannot be applied to the deduplication of images...
The rapid adoption of cloud services has propelled network data sharing and storage. Client-side deduplication is proposed to minimize bandwidth and space needed to upload and store duplicated data. The existing solutions, however, were recently found to be vulnerable to attacks that enable the attackers to get full access to the entire file stored on the server after learning just a small piece of...
Attribute based signature scheme is an important cryptographic primitive which provides a powerful way for users to control their privacy. Due Attribute based signature scheme is an important cryptographic primitive which provides a powerful way for users to control their privacy. Due to the fact that it can reduce the bandwidth needed to transmit attribute based signatures and the time needed to...
Based on the analysis of the node selfishness and the drawback of min-hop selection method as the unique routing selection criteria in ad hoc networks, a non-intrusive multi-metric ad hoc routing protocol-NIMR is presented. By computing and storing the node fame, NIMR greatly attenuates the influence of node selfishness; By crossing-design between MAC layer and network layer, we employ a non-intrusive...
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