LASH-n

1 Specification

• digest size: 160,256,384,512 bits
• max. message length: arbitrary length
• compression function: 640,1024,1536,2048-bit message blocks and 640,1024,1536,2048-bit state size

Kamel Bentahar, Dan Page, Markku-Juhani O. Saarinen, Joseph H. Silverman, Nigel Smart - LASH

,2006

http://csrc.nist.gov/groups/ST/hash/documents/SAARINEN_lash4-1_ORIG.pdf
Bibtex

Author : Kamel Bentahar, Dan Page, Markku-Juhani O. Saarinen, Joseph H. Silverman, Nigel Smart
Title : LASH
In : -
Address :
Date : 2006

2 Cryptanalysis

2.1 Best Known Results

LASH-n is vulnerable to attacks that trade time for memory, including collision attacks as fast as 2^(4n/11) and preimage attacks as fast as 2^(4n/7).

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2.2 Generic Attacks

• Generic Attacks on the Merkle-Damgaard Construction

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2.3 Collision Attacks

Ron Steinfeld, Scott Contini, Krystian Matusiewicz, Josef Pieprzyk, Jian Guo, San Ling, Huaxiong Wang - Cryptanalysis of LASH

FSE 5086:207-223,2008

http://dx.doi.org/10.1007/978-3-540-71039-4_13
Bibtex

Author : Ron Steinfeld, Scott Contini, Krystian Matusiewicz, Josef Pieprzyk, Jian Guo, San Ling, Huaxiong Wang
Title : Cryptanalysis of LASH
In : FSE -
Address :
Date : 2008

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