Titlebook: Selected Areas in Cryptography; 19th International C Lars R. Knudsen,Huapeng Wu Conference proceedings 2013 Springer-Verlag Berlin Heidelbe

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The Boomerang Attacks on the Round-Reduced Skein-512imitive operations: modular addition, rotation and bitwise XOR (ARX). This paper studies the boomerang attacks on Skein-512. Boomerang distinguishers on the compression function reduced to 32 and 36 rounds are proposed, with time complexities 2. and 2. hash computations respectively. Examples of the

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A Practical Leakage-Resilient Signature Scheme in the Generic Group Modelciency is close to that of non leakage-resilient pairing-based signature schemes. It tolerates leakage of almost half of the bits of the secret key at every new signature invocation. We prove the security of the new scheme in the generic bilinear group model.

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Cryptanalysis of the “Kindle” Ciphern a ciphertext-only scenario..A hash function based on this cipher has also been proposed and is implemented in the binary editor WinHex. We show that this hash function is also vulnerable to a practical attack, which can produce meaningful collisions or second pre-images.

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An All-In-One Approach to Differential Cryptanalysis for Small Block CiphersTAN-32. In particular, our attack allows us to break 115 rounds of KATAN-32. For this, our attack exploits the non-uniformity of the difference distribution after 91 rounds which is 20 rounds more than the previously best known differential characteristic.

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