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With a wide range of potential applications, machine-type communication (MTC) or machine to machine (M2M) communications is gaining a tremendous interest among mobile network operators and research groups. MTC is standardized by the 3rd Generation Partnership Project (3GPP), which has been regarded as the promising solution facilitating M2M communications. One of research challenges in MTC is security,...
With cloud storage services, it is commonplace for data to be not only stored in the cloud, but also shared across multiple users. However, public auditing for such shared data --- while preserving identity privacy --- remains to be an open challenge. In this paper, we propose the first privacy-preserving mechanism that allows public auditing on shared data stored in the cloud. In particular, we exploit...
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