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We discuss a tweak for the domain extension called Merkle-Damg錼d with Permutation (MDP), which was presented at ASIACRYPT 2007. We first show that MDP may produce multiple independent pseudorandom fun...
We analyze the security of the SHA-3 finalist BLAKE. The BLAKE hash function follows the HAIFA design methodology, and as such it achieves optimal preimage, second preimage and collision resistance, a...
We analyze the security of the SHA-3 finalist BLAKE. The BLAKE hash function follows the HAIFA design methodology, and as such it achieves optimal preimage, second preimage and collision resistance, a...
We analyze the security of the SHA-3 finalist BLAKE. The BLAKE hash function follows the HAIFA design methodology, and as such it achieves optimal preimage, second preimage and collision resistance, a...
The Hash function Skein is one of the 5 finalists of NIST SHA-3 competition. It is designed based on the threefish block cipher and it only uses three primitive operations: modular addition, rotation ...
In this paper, we present new results on the second-round SHA-3 candidate ECHO. We describe a method to construct a collision in the compression function of ECHO-256 reduced to four rounds in 2^52 ope...
SIMD is one of the second round candidates of the SHA-3 competition hosted by NIST. In this paper, we present some results on the compression function of SIMD 1.1 (the tweaked version) using the modul...
Hamsi is one of 14 remaining candidates in NIST's Hash Competition for the future hash standard SHA-3. Until now, little analysis has been published on its resistance to di erential cryptanalysis, th...
Hamsi is one of the second round candidates of the SHA-3 competition. In this study, we present non-random differential properties for the compression function of the hash function Hamsi-256. Based ...
In this work, we apply the rebound attack to the AES based SHA-3 candidate Lane. The hash function Lane uses a permutation based compression function, consisting of a linear message expansion and 6...
In this work, we apply the rebound attack to the AES based SHA-3 candidate Lane. The hash function Lane uses a permutation based compression function, consisting of a linear message expansion and 6...
EDON-R is one of the candidate hash functions for the ongoing NIST competition for the next cryptographic hash standard called SHA-3. Its construction is based on algebraic properties of non-commutat...
In this paper, we present a near-collision attack on the compression functions of Dynamic SHA2 for all the output sizes. For the Dynamic SHA2-224/256, the complexity is about 245 operations and for ...
This report presents analysis of the compression function of a recently proposed hash function, FORK-256. We exhibit some unex- pected differentials existing for the step transformation and show th...
In this paper, we introduce new compression function design principles supporting variable output lengths (multiples of size n). They are based on a function or block cipher with an n-bit output siz...

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