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With the advent of cloud computing, it becomes increasingly popular for data owners to outsource their data to public cloud servers while allowing data users to retrieve these data. For privacy concerns, secure searches over encrypted cloud data motivated several researches under the single owner model. However, most cloud servers in practice do not just serve one owner, instead, they support multiple...
Cloud computing provides abundant benefits including easy access, decreased costs and flexible resource management. For privacy concerns, sensitive data have to be encrypted before outsourcing, which obsoletes traditional data utilization based on plaintext keyword search. Therefore, developing a secure search service over encrypted cloud data is of paramount importance. There are several researches...
The paper builds the trusted, bottom-up and flexible security framework of embedded system, by taking advantage of the TCM hardware security, using the self-developed embedded secure operating systems, basing on flexibility of embedded systems software and hardware, with studying of the dynamic trust chain model of DRTM and key security technology. The paper proposes a way to effectively prevent the...
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