Product Description
A Novel Efficient Remote Data Possession Checking Protocol in Cloud Storage
Abstract– As an important application in cloud computing, cloud storage offers user scalable, flexible, and high-quality data storage and computation services. A growing number of data owners choose to outsource data files to the cloud. Because cloud storage servers are not fully trustworthy, data
owners need dependable means to check the possession for their files outsourced to remote cloud servers. To address this crucial problem, some remote data possession checking (RDPC) protocols have been presented. But many existing schemes have
vulnerabilities in efficiency or data dynamics.new efficient RDPC protocol based on homomorphic hash function. The new scheme is provably secure against forgery attack, replace attack, and replay attack based on a typical security model. To support data dynamics, an operation record table (ORT) is introduced to track operations on file blocks.The further give a new optimized implementation for the
ORT, which makes the cost of accessing ORT nearly constant. Moreover, make the comprehensive performance analysis, which shows that our scheme has advantages in computation and communication costs. Prototype implementation and experiments
exhibit that the scheme is feasible for real applications.
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