Difference between revisions of "LUX"

From The ECRYPT Hash Function Website
(distinguisher by Schmidt-Nielsen added)
(collision, 2nd-preimage, and other attacks on LUX)
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|-                     
 
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|  | free-start preimage || compression || ? ||  || 2<sup>80</sup> || - || [http://ehash.iaik.tugraz.at/uploads/3/36/Analysis_LUX_1.pdf Wu,Feng,Wu]
 
|  | free-start preimage || compression || ? ||  || 2<sup>80</sup> || - || [http://ehash.iaik.tugraz.at/uploads/3/36/Analysis_LUX_1.pdf Wu,Feng,Wu]
|-                  
+
|-  
 +
|  | distinguisher || hash|| 256/512 ||  || - || - || [http://ehash.iaik.tugraz.at/uploads/3/36/Analysis_LUX_1.pdf Wu,Feng,Wu],[http://ehash.iaik.tugraz.at/uploads/7/78/Lux_nicky.txt Mouha]
 +
|-                 
 
|  | distinguisher || reduced hash || 256 || 8 blank rounds || example, 2<sup>8</sup> || - || [http://ehash.iaik.tugraz.at/uploads/3/3b/LUXATTACKNext.pdf Schmidt-Nielsen],[http://ehash.iaik.tugraz.at/uploads/f/f9/LUXdistinguisher.zip Bjørstad]
 
|  | distinguisher || reduced hash || 256 || 8 blank rounds || example, 2<sup>8</sup> || - || [http://ehash.iaik.tugraz.at/uploads/3/3b/LUXATTACKNext.pdf Schmidt-Nielsen],[http://ehash.iaik.tugraz.at/uploads/f/f9/LUXdistinguisher.zip Bjørstad]
 
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|-                     
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|-                     
 
|  | slide-attack || hash || all || salt size: 31 mod 32 || - || - || [http://ehash.iaik.tugraz.at/uploads/6/62/Lux_peyrin.txt Peyrin]
 
|  | slide-attack || hash || all || salt size: 31 mod 32 || - || - || [http://ehash.iaik.tugraz.at/uploads/6/62/Lux_peyrin.txt Peyrin]
|-                                    
+
|-    
 +
| style="background:orange"  | collision|| hash || 256 || || 2<sup>100</sup> || - || [http://ehash.iaik.tugraz.at/uploads/e/ec/Lux_dai.txt Watanabe],[http://ehash.iaik.tugraz.at/uploads/2/21/Lux_niels.txt Ferguson]
 +
|-
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| style="background:orange"  | second preimage|| hash || 256 || || 2<sup>200</sup> || - || [http://ehash.iaik.tugraz.at/uploads/e/ec/Lux_dai.txt Watanabe]
 +
|-
 +
| style="background:orange"  | collision|| hash || 512|| || 2<sup>228</sup> || - || [http://ehash.iaik.tugraz.at/uploads/e/ec/Lux_dai.txt Watanabe],[http://ehash.iaik.tugraz.at/uploads/2/21/Lux_niels.txt Ferguson]
 +
|-
 +
| style="background:orange"  | second preimage|| hash || 512|| || 2<sup>456</sup> || - || [http://ehash.iaik.tugraz.at/uploads/e/ec/Lux_dai.txt Watanabe]
 +
|- 
 +
|  | distinguisher || HMAC, DRBG|| all ||  || - || - || [http://ehash.iaik.tugraz.at/uploads/2/21/Lux_niels.txt Ferguson]
 +
|-                               
 
|}                     
 
|}                     
  
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   howpublished = {NIST mailing list (local link)},
 
   howpublished = {NIST mailing list (local link)},
 
   year = {2008},
 
   year = {2008},
 +
}
 +
</bibtex>
 +
 +
<bibtex>
 +
@misc{luxD09,
 +
  author    = {Watanabe Dai},
 +
  title    = {OFFICIAL COMMENT: LUX},
 +
  url = {http://ehash.iaik.tugraz.at/uploads/e/ec/Lux_dai.txt},
 +
  howpublished = {NIST mailing list (local link)},
 +
  year = {2009},
 +
}
 +
</bibtex>
 +
 +
<bibtex>
 +
@misc{luxF09,
 +
  author    = {Niels Ferguson},
 +
  title    = {RE: OFFICIAL COMMENT: LUX},
 +
  url = {http://ehash.iaik.tugraz.at/uploads/2/21/Lux_niels.txt},
 +
  howpublished = {NIST mailing list (local link)},
 +
  year = {2009},
 +
}
 +
</bibtex>
 +
 +
<bibtex>
 +
@misc{luxM09,
 +
  author    = {Nicky Mouha},
 +
  title    = {RE: OFFICIAL COMMENT: LUX},
 +
  url = {http://ehash.iaik.tugraz.at/uploads/7/78/Lux_nicky.txt},
 +
  howpublished = {NIST mailing list (local link)},
 +
  year = {2009},
 
}
 
}
 
</bibtex>
 
</bibtex>

Revision as of 10:47, 14 April 2009

1 The algorithm


Ivica Nikolić, Alex Biryukov, Dmitry Khovratovich - Hash family LUX - Algorithm Specifications and

Supporting Documentation

,2008
http://ehash.iaik.tugraz.at/uploads/f/f3/LUX.pdf
Bibtex
Author : Ivica Nikolić, Alex Biryukov, Dmitry Khovratovich
Title : Hash family LUX - Algorithm Specifications and Supporting Documentation
In : -
Address :
Date : 2008


2 Cryptanalysis

Type of Analysis Hash Function Part Hash Size (n) Parameters/Variants Compression Function Calls Memory Requirements Reference
collision reduced hash 224 3 blank rounds - - Wu,Feng,Wu
near-collision reduced hash 256 3 blank rounds - - Wu,Feng,Wu
free-start collision compression ? - - Wu,Feng,Wu
free-start preimage compression ? 280 - Wu,Feng,Wu
distinguisher hash 256/512 - - Wu,Feng,Wu,Mouha
distinguisher reduced hash 256 8 blank rounds example, 28 - Schmidt-Nielsen,Bjørstad
distinguisher reduced hash 512 9 blank rounds example, 28 - Schmidt-Nielsen,Bjørstad
slide-attack hash all salt size: 31 mod 32 - - Peyrin
collision hash 256 2100 - Watanabe,Ferguson
second preimage hash 256 2200 - Watanabe
collision hash 512 2228 - Watanabe,Ferguson
second preimage hash 512 2456 - Watanabe
distinguisher HMAC, DRBG all - - Ferguson

A description of this table is given here.


Shuang Wu, Dengguo Feng, Wenling Wu - Cryptanalysis of the Hash Function LUX-256

,2008
http://ehash.iaik.tugraz.at/uploads/3/36/Analysis_LUX_1.pdf
Bibtex
Author : Shuang Wu, Dengguo Feng, Wenling Wu
Title : Cryptanalysis of the Hash Function LUX-256
In : -
Address :
Date : 2008

Peter Schmidt-Nielsen - A distinguisher for reduced-round LUX

,2009
http://ehash.iaik.tugraz.at/uploads/3/3b/LUXATTACKNext.pdf
Bibtex
Author : Peter Schmidt-Nielsen
Title : A distinguisher for reduced-round LUX
In : -
Address :
Date : 2009

Tor E. Bjørstad - A distinguisher for reduced-round LUX (source code)

,2009
http://ehash.iaik.tugraz.at/uploads/f/f9/LUXdistinguisher.zip
Bibtex
Author : Tor E. Bjørstad
Title : A distinguisher for reduced-round LUX (source code)
In : -
Address :
Date : 2009

Thomas Peyrin - Slide attacks on LUX

,2008
http://ehash.iaik.tugraz.at/uploads/6/62/Lux_peyrin.txt
Bibtex
Author : Thomas Peyrin
Title : Slide attacks on LUX
In : -
Address :
Date : 2008

Watanabe Dai - OFFICIAL COMMENT: LUX

,2009
http://ehash.iaik.tugraz.at/uploads/e/ec/Lux_dai.txt
Bibtex
Author : Watanabe Dai
Title : OFFICIAL COMMENT: LUX
In : -
Address :
Date : 2009

Niels Ferguson - RE: OFFICIAL COMMENT: LUX

,2009
http://ehash.iaik.tugraz.at/uploads/2/21/Lux_niels.txt
Bibtex
Author : Niels Ferguson
Title : RE: OFFICIAL COMMENT: LUX
In : -
Address :
Date : 2009

Nicky Mouha - RE: OFFICIAL COMMENT: LUX

,2009
http://ehash.iaik.tugraz.at/uploads/7/78/Lux_nicky.txt
Bibtex
Author : Nicky Mouha
Title : RE: OFFICIAL COMMENT: LUX
In : -
Address :
Date : 2009