Skein

1 The algorithm

• Author(s): Niels Ferguson, Stefan Lucks, Bruce Schneier, Doug Whiting, Mihir Bellare, Tadayoshi Kohno, Jon Callas, Jesse Walker
• Website: http://www.schneier.com/skein.html; http://skein-hash.info/
• NIST submission package: Skein.zip, SkeinUpdate.zip

Niels Ferguson, Stefan Lucks, Bruce Schneier, Doug Whiting, Mihir Bellare, Tadayoshi Kohno, Jon Callas, Jesse Walker - The Skein Hash Function Family

,2008

http://www.schneier.com/skein.pdf
Bibtex

Author : Niels Ferguson, Stefan Lucks, Bruce Schneier, Doug Whiting, Mihir Bellare, Tadayoshi Kohno, Jon Callas, Jesse Walker
Title : The Skein Hash Function Family
In : -
Address :
Date : 2008

2 Cryptanalysis

Type of Analysis	Hash Function Part	Hash Size (n)	Parameters/Variants	Compression Function Calls	Memory Requirements	Reference
near collision	compression function	512	17 rounds	224	-	Aumasson,Calik,Meier,Ozen,Phan,Varici
distinguisher	block cipher	512	35 rounds	2478	-	Aumasson,Calik,Meier,Ozen,Phan,Varici
impossible differential	block cipher	512	21 rounds	-	-	Aumasson,Calik,Meier,Ozen,Phan,Varici
key recovery	block cipher	512	32 rounds	2312	-	Aumasson,Calik,Meier,Ozen,Phan,Varici
key recovery	block cipher	512	32 rounds	2226 (2222)	212	Chen,Jia
key recovery	block cipher	512	33 rounds	2352.17 (2355.5)	-	Chen,Jia

A description of this table is given here.

Jean-Philippe Aumasson, Cagdas Calik, Willi Meier, Onur Ozen, Raphael C.-W. Phan, Kerem Varici - Improved Cryptanalysis of Skein

,2009

http://eprint.iacr.org/2009/438.pdf
Bibtex

Author : Jean-Philippe Aumasson, Cagdas Calik, Willi Meier, Onur Ozen, Raphael C.-W. Phan, Kerem Varici
Title : Improved Cryptanalysis of Skein
In : -
Address :
Date : 2009

Jiazhe Chen, Keting Jia - Improved Related-key Boomerang Attacks on Round-Reduced Threefish-512

,2009

http://eprint.iacr.org/2009/526.pdf
Bibtex

Author : Jiazhe Chen, Keting Jia
Title : Improved Related-key Boomerang Attacks on Round-Reduced Threefish-512
In : -
Address :
Date : 2009

2.1 Archive

Jean-Philippe Aumasson, Willi Meier, Raphael Phan - Improved analyis of Threefish

,2009

http://131002.net/data/talks/threefish_rump.pdf
Bibtex

Author : Jean-Philippe Aumasson, Willi Meier, Raphael Phan
Title : Improved analyis of Threefish
In : -
Address :
Date : 2009