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In this paper we explore the intriguing factors involved in the non one-one nature of the RC4, and explore new techniques and present interesting findings regarding the same. The first part of this pa...
Time-memory Trade-offs for Near-collisions
secret-key cryptography Hash function near-collision
2013/2/21
In this work we consider generic algorithms to find near-collisions for a hash function. If we consider only hash computations, it is easy to compute a lower-bound for the complexity of near-collision...
Practical Near-Collisions and Collisions on Round-Reduced ECHO-256 Compression Function
Cryptanalysis Hash Functions SHA-3 ECHO-256 Collision attack
2010/11/10
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...
Near-Collisions on the Reduced-Round Compression Functions of Skein and BLAKE
Hash function Near-collision SHA-3 candidates Skein BLAKE
2010/7/14
The SHA-3 competition organized by NIST aims to find a new hash standard as a replacement of SHA-2. Till now, 14 submissions have been selected as the second round candidates, including Skein and BLAK...