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There is a well-known gap between second-preimage resistance and preimage resistance for length-preserving hash functions. This paper introduces a simple concept that fills this gap. One consequence o...
Linicrypt (Carmer & Rosulek, Crypto 2016) refers to the class of algorithms that make calls to a random oracle and otherwise manipulate values via fixed linear operations. We give a characterization o...
We provide the first preimage resistance bounds for block cipher based double length, double call hash functions that go \emph{beyond} the birthday bound. More precisely, we consider hash functions us...
In this paper, we introduce a new notion of security, called adaptive preimage resistance. We prove that a compression function that is collision resistant and adaptive preimage resistant can be com...
We consider basic notions of security for cryptographic hash functions: collision resistance, preimage resistance, and second-preimage resistance. We give seven different definitions that correspond...
Preneel, Govaerts, and Vandewalle[14](PGV) considered 64 most basic ways to construct a hash function from a block cipher, and regarded 12 of those 64 schemes as secure. Black, Pogaway and Shrimp- ...

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