Practical Leakage-Resilient Pseudorandom Objects with Minimum Public Randomness

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Provided by: East China Normal University
Topic: Security
Format: PDF
One of the main challenges in leakage-resilient cryptography is to obtain proofs of security against side-channel attacks, under realistic assumptions and for efficient constructions. In a recent paper proposed new designs of stream ciphers and pseudorandom functions for this purpose. Yet, a remaining limitation of these constructions is that they require large amounts of public randomness to be proven leakage-resilient. In this paper, the authors show that tweaked designs with minimum randomness requirements can be proven leakage-resilient in minicrypt.
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