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Ideal-Cipher (Ir)reducibility for Blockcipher-Based Hash Functions
Hash function Blockcipher
2014/3/12
Preneel et al.~(Crypto 1993) assessed 64 possible ways to construct a compression function out of a blockcipher. They conjectured that 12 out of these 64 so-called PGV constructions achieve optimal se...
More Insights on Blockcipher-Based Hash Functions
Blockcipher-Based Hash Functions SBL DBL
2010/12/22
In this paper we give more insights on the security of blockcipher-based hash functions. We give a very simple criterion to build a secure large class of Single-Block-Length (SBL) or double call Doubl...
On the Impossibility of Highly-Efficient Blockcipher-Based Hash Functions
Collision-resistant hash functions tweakable blockciphers provable security
2008/8/22
Fix a small, non-empty set of blockcipher keys K. We say a blockcipher-based hash function is highly-efficient if it makes exactly one blockcipher call for each message block hashed, and all blockciph...