Difference between revisions of "Vortex (SHA-3 submission)"

From The ECRYPT Hash Function Website
(added correlation result on Vortex)
m
Line 6: Line 6:
 
-->
 
-->
 
* NIST submission package: [http://csrc.nist.gov/groups/ST/hash/sha-3/Round1/documents/Vortex.zip Vortex.zip]
 
* NIST submission package: [http://csrc.nist.gov/groups/ST/hash/sha-3/Round1/documents/Vortex.zip Vortex.zip]
* Specification: [http://eprint.iacr.org/2008/464 http://eprint.iacr.org/2008/464]
+
 
  
 
<bibtex>
 
<bibtex>
Line 17: Line 17:
 
}
 
}
 
</bibtex>
 
</bibtex>
 +
  
 
== Cryptanalysis ==
 
== Cryptanalysis ==
 +
 +
{| border="1" cellpadding="4" cellspacing="0" class="wikitable" style="text-align:center"                 
 +
|- style="background:#efefef;"                 
 +
|  Type of Analysis || Hash Function Part || Hash Size (n) || Parameters/Variants || Compression Function Calls || Memory Requirements ||  Reference                   
 +
|-                   
 +
|  | pseudo collision || compression || all ||  || 2<sup>n/4</sup> || - || [http://ehash.iaik.tugraz.at/uploads/5/5c/Vortex_Collisions_and_Preimages_note.txt Knudsen,Mendel,Rechberger,Thomsen]
 +
|-                   
 +
|  style="background:yellow" | preimage || hash || all ||  || 2<sup>3n/4</sup> || 2<sup>n/4</sup> || [http://ehash.iaik.tugraz.at/uploads/5/5c/Vortex_Collisions_and_Preimages_note.txt Knudsen,Mendel,Rechberger,Thomsen]
 +
|-                   
 +
|  style="background:yellow" | collision || hash || 256 ||  || 2<sup>122.5</sup> || 2<sup>122.5</sup> || [http://ehash.iaik.tugraz.at/uploads/5/5c/Vortex_Collisions_and_Preimages_note.txt Knudsen,Mendel,Rechberger,Thomsen]
 +
|-                   
 +
|  | observation ||  || all ||  ||  ||  || [http://www.131002.net/data/papers/AD08.pdf Aumasson,Dunkelman]
 +
|-                   
 +
|  | correlation analysis || hash || all ||  || - || - || [http://ehash.iaik.tugraz.at/uploads/6/6d/Vortex_correlation.txt Ferguson]
 +
|-                                   
 +
|}                   
 +
 +
A description of this table is given [http://ehash.iaik.tugraz.at/wiki/Cryptanalysis_Categories#Individual_Hash_Function_Tables here].
 +
  
 
<bibtex>
 
<bibtex>
Line 29: Line 49:
 
}
 
}
 
</bibtex>
 
</bibtex>
 
  
 
<bibtex>
 
<bibtex>
Line 49: Line 68:
 
}
 
}
 
</bibtex>
 
</bibtex>
 
  
 
<bibtex>
 
<bibtex>

Revision as of 21:47, 29 December 2008

1 The algorithm

  • Author(s): Michael Kounavis, Shay Gueron
  • NIST submission package: Vortex.zip


Michael Kounavis, Shay Gueron - Vortex: A New Family of One Way Hash Functions based on Rijndael Rounds and Carry-less Multiplication

,2008
http://eprint.iacr.org/2008/464.pdf
Bibtex
Author : Michael Kounavis, Shay Gueron
Title : Vortex: A New Family of One Way Hash Functions based on Rijndael Rounds and Carry-less Multiplication
In : -
Address :
Date : 2008


2 Cryptanalysis

Type of Analysis Hash Function Part Hash Size (n) Parameters/Variants Compression Function Calls Memory Requirements Reference
pseudo collision compression all 2n/4 - Knudsen,Mendel,Rechberger,Thomsen
preimage hash all 23n/4 2n/4 Knudsen,Mendel,Rechberger,Thomsen
collision hash 256 2122.5 2122.5 Knudsen,Mendel,Rechberger,Thomsen
observation all Aumasson,Dunkelman
correlation analysis hash all - - Ferguson

A description of this table is given here.


Lars R. Knudsen, Florian Mendel, Christian Rechberger, Søren S. Thomsen - Collision and Preimage Attacks on Vortex as submitted to the SHA-3 competition

,2008
http://ehash.iaik.tugraz.at/uploads/5/5c/Vortex_Collisions_and_Preimages_note.txt
Bibtex
Author : Lars R. Knudsen, Florian Mendel, Christian Rechberger, Søren S. Thomsen
Title : Collision and Preimage Attacks on Vortex as submitted to the SHA-3 competition
In : -
Address :
Date : 2008

Jean-Philippe Aumasson, Orr Dunkelman - A note on Vortex' security

,2008
http://www.131002.net/data/papers/AD08.pdf
Bibtex
Author : Jean-Philippe Aumasson, Orr Dunkelman
Title : A note on Vortex' security
In : -
Address :
Date : 2008

Niels Ferguson - Simple correlation on some of the output bits of Vortex

,2008
http://ehash.iaik.tugraz.at/uploads/6/6d/Vortex_correlation.txt
Bibtex
Author : Niels Ferguson
Title : Simple correlation on some of the output bits of Vortex
In : -
Address :
Date : 2008