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In recent years, studies about the SATisfiability Problem (short for SAT) were more and more numerous because of its conceptual simplicity and ability to express a large set of various problems. Wit...
The modification of message that meets the sufficient conditions for collision is found in the last step of differential attack proposed by Wang et all. (2005) on MD4 hash algorithm. Here we show ho...
We propose an improved preimage attack on one-block MD4 with the time complexity $2^{94.98}$ MD4 compression function operations, as compared to $2^{107}$ in \cite{AokiS-sac08}. We research the attack...
We revisit narrow-pipe designs that are in practical use, and their security against preimage attacks. Our results are the best known preimage attacks on Tiger, MD4, and reduced SHA-2, with the resu...
In case of security analysis of hash functions, finding a good collision-inducing differential paths has been only focused on. However, it is not clear how differential paths of a hash function infl...
MD5 is the hash function designed by Ron Rivest [9] as a strengthened version of MD4 [8]. In 1993 Bert den Boer and Antoon Bosselaers [1] found pseudo-collision for MD5 which is made of the same messa...
Statistical Multiparty Computation Based on Random Walks on Graphs.
In this paper, we propose an attack method to find collisions of MD4 hash function. This attack is the improved version of the attack which was invented by Xiaoyun Wang et al [1]. We were able to fi...
HMAC is a widely used message authentication code and a pseudorandom function generator based on cryptographic hash functions such as MD5 and SHA-1. It has been standardized by ANSI, IETF, ISO and N...
In this paper, we present a new type of MultiCollision attack on the compression functions both of MD4 and 3-Pass HAVAL. For MD4, we utilize two feasible different collision differential paths to fi...
In 2004, Wang et al. obtained breakthrough collision attacks on the main hash functions from the MD4 family. The attacks are differential attacks in which one closely follows the inner steps of the ...

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