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There is a huge amount of duplicated or redundant data in current storage systems. So data de-duplication, which uses lossless data compression schemes to minimize the duplicated data at the inter-file level, has been receiving broad attention in recent years. But there are still research challenges in current approaches and storage systems, such as: how to(More)
A cryptographic network file system has to guarantee confidentiality and integrity of its files, and also it has to support random access. For this purpose, existing designs mainly rely on(often ad-hoc) combination of Merkle hash tree with a block cipher mode of encryption. In this paper, we propose a new design based on a MAC tree construction which uses a(More)
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