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In a public cloud, a data owner outsources encrypted data in order to protect its privacy. However, when sharing data with particular users, it is neither willing to share the decryption key nor reluctant to download and decrypt data. The former may reveal its identity and the latter can cause high computing and communication cost. In this paper, we proposed a half-decryption scheme (SDS2) for crowd...
Although Cloud computing emerged for business applications in industry, public Cloud services have been widely accepted and encouraged for scientific computing in academia. The recently available Google Compute Engine (GCE) is claimed to support high-performance and computationally intensive tasks, while little evaluation studies can be found to reveal GCE's scientific capabilities. Considering that...
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