Multi-File Proofs of Retrievability for Cloud Storage Auditing

Provided by: Yangwei
Topic: Cloud
Format: PDF
Cloud storage allows clients to store a large amount of data with the help of Storage Service Providers (SSPs). Proof-Of-Retrievability (POR) protocols allow one server to prove to a verifier the availability of data stored by some client. The researcher presented POR protocols based on homomorphic authenticators and proved security of their schemes under a stronger security model, which requires the existence of an extractor to retrieve the original file by receiving the program of a successful prover.

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