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Paper 2006/334
Colliding Message Pair for 53-Step HAS-160
Florian Mendel
Abstract
We present a collision attack on the hash function HAS-160 reduced to 53-steps. The attack has a complexity of about $2^{35}$ hash computations. The attack is based on the work of Cho etal. presented at ICISC 2006. In this article, we improve their attack complexity by a factor of about $2^{20}$ using a slightly different strategy for message modification in the first 20 steps of the hash function.
Metadata
- Available format(s)
- Publication info
- Published elsewhere. Unknown where it was published
- Keywords
- cryptanalysiscollision attackhash functions
- Contact author(s)
- florian mendel @ iaik tugraz at
- History
- 2006-10-05: received
- Short URL
- https://ia.cr/2006/334
- License
-
CC BY