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Building Quantum-One-Way Functions from Block Ciphers: Davies-Meyer and Merkle-Damgård Constructions
provable security Davies-Meyer one-wayness, non-invertibility
2018/11/16
We present hash functions that are almost optimally one-way in the quantum setting. Our hash functions are based on the Merkle-Damgård construction iterating a Davies-Meyer compression function, ...
Encrypted Davies-Meyer and Its Dual: Towards Optimal Security Using Mirror Theory
PRP-to-PRF Encrypted Davies-Meyer Encrypted Davies-Meyer Dual
2017/5/31
At CRYPTO 2016, Cogliati and Seurin introduced the Encrypted Davies-Meyer construction, p2(p1(x)⊕x)p2(p1(x)⊕x) for two nn-bit permutations p1,p2p1,p2, and proved security up to 22n/322n/3. We present ...
Davies-Meyer Merkle-Damg˚ard Revisited:Variants of Indifferentiability and Random Oracles
Merkle-Damgard construction Davies-Meyer mode indifferentiability
2009/6/11
In this paper, we succeed in analyzing practical cryptosystems that employ the Davies-
Meyer Merkle-Damg˚ard hash function DM-MDE with ideal cipher E by using two approaches: indifferentiability...