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In this paper, we first define a new security problem, named mPSI (many-to-one private set interaction), which can find applications in many scenarios where the host of a big database may be queried by a large number of clients who have small-size queries and want to prevent both the intentions and results of their queries from being exposed to others. We also propose a new scheme to solve the mPSI...
Leak of clients' sensitive information from cloud system remains to be a problem despite of rapid development of cloud technology. One of the major reasons for such leaks to occur is the lack of efficient encryption verification schemes. For a cloud computing system, computational strength of server should not be sacrificed while encryption and verification is applied, which adds certain level of...
The volatile constituents of Michelia alba flowers, including fresh flowers, frozen flowers and withered flowers, were investigated by GC-MS. The volatiles in a simulated natural environment were sampled by solid-phase microextraction (SPME), with a 100 μm polydimethylsiloxane fiber at 25+/-5 o C for 4 h. The fibers were desorbed in a GC injection liner at 250 o C for 3 min. With headspace...
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