HAS-160

From The ECRYPT Hash Function Website

1 Specification

• digest size: 160 bits
• max. message length: < 2⁶⁴ bits
• compression function: 512-bit message block, 160-bit chaining variable
• Specification: http://www.randombit.net/text/has160.html

2 Cryptanalysis

2.1 Best Known Results

The best known attack on HAS-160 is the collision attack of Mendel and Rijmen for 59 (out of 80) steps with a complexity of 2⁵⁵. The best collision example for 53 steps of HAS-160 was also presented by Mendel and Rijmen.

2.2 Generic Attacks

• Generic Attacks on the Merkle-Damgaard Construction

2.3 Collision Attacks

In Proceedings of ICISC, LNCS 4817, pp. 324-334, Springer, 2007

[Electronic Edition] [Bibtex]

Author : Florian Mendel, Vincent Rijmen
Title : Colliding Message Pair for 53-Step HAS-160
In : In Proceedings of ICISC -

[Abstract]

In Proceedings of ICISC, LNCS 4296, pp. 286-295, Springer, 2006

[Electronic Edition] [Bibtex]

Author : Hong-Su Cho, Sangwoo Park, Soo Hak Sung, Aaram Yun
Title : Collision Search Attack for 53-Step HAS-160
In : In Proceedings of ICISC -

[Abstract]

In Proceedings of ICISC, LNCS 3935, pp. 146-155, Springer, 2005

[Electronic Edition] [Bibtex]

Author : Aaram Yun, Soo Hak Sung, Sangwoo Park, Donghoon Chang, Seokhie Hong, Hong-Su Cho
Title : Finding Collision on 45-Step HAS-160
In : In Proceedings of ICISC -

[Abstract]

2.4 Second Preimage Attacks

2.5 Preimage Attacks

2.6 Others

Cryptology ePrint Archive, Report 2009/335, 2009

[Electronic Edition] [Bibtex]

Author : Ewan Fleischmann, Michael Gorski, Stefan Lucks
Title : Related-Key Rectangle Attack of the Full 80-Round HAS-160 Encryption Mode
In : Cryptology ePrint Archive, Report 2009/335 -

[Abstract]