Welcome to the resource topic for 2021/192
Title:
Quantum Indifferentiability of SHA-3
Authors: Jan Czajkowski
Abstract:In this paper we prove quantum indifferentiability of the sponge construction instantiated with random (invertible) permutations. With this result we bring the post-quantum security of the standardized SHA-3 hash function to the level matching its security against classical adversaries. To achieve our result, we generalize the compressed-oracle technique of Zhandry (Crypto’19) by defining and proving correctness of a compressed permutation oracle. We believe our technique will find applications in many more cryptographic constructions.
ePrint: https://eprint.iacr.org/2021/192
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