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Title:
Leakage-Resilient Identification Schemes from Zero-Knowledge Proofs of Storage
Authors: Giuseppe Ateniese, Antonio Faonio, Seny Kamara
Abstract:We provide a framework for constructing leakage-resilient identification(ID) protocols in the bounded retrieval model (BRM) from proofs of storage(PoS) that hide partial information about the file. More precisely, we describe a generic transformation from any zero-knowledge PoS to a leakage-resilient ID protocol in the BRM. We then describe a ZK-PoS based on RSA which, under our transformation, yields the first ID protocol in the BRM based on RSA (in the ROM). The resulting protocol relies on a different computational assumption and is more efficient than previously-known constructions.
ePrint: https://eprint.iacr.org/2015/920
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