Difference between revisions of "LUX"

From The ECRYPT Hash Function Website
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(distinguisher by Schmidt-Nielsen added)
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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 || 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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|  | distinguisher || reduced hash || 512 || 9 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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|-                     
 
|  | 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]
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   year      = {2008},
 
   year      = {2008},
 
   abstract  = {LUX is a new hash function submitted to NIST's SHA-3 competition. In this paper, we found some non-random properties of LUX due to the weakness of origin shift vector. We also give reduced blank round collision attack, free-start collision attack and free-start preimage attack on LUX-256. The two collision attacks are trivial. The free-start preimage attack has complexity of about 2^{80} and requires negligible memory.},
 
   abstract  = {LUX is a new hash function submitted to NIST's SHA-3 competition. In this paper, we found some non-random properties of LUX due to the weakness of origin shift vector. We also give reduced blank round collision attack, free-start collision attack and free-start preimage attack on LUX-256. The two collision attacks are trivial. The free-start preimage attack has complexity of about 2^{80} and requires negligible memory.},
 +
}
 +
</bibtex>
 +
 +
<bibtex>
 +
@misc{luxS09,
 +
  author    = {Peter Schmidt-Nielsen},
 +
  title    = {A distinguisher for reduced-round LUX},
 +
  url = {http://ehash.iaik.tugraz.at/uploads/3/3b/LUXATTACKNext.pdf},
 +
  howpublished = {NIST mailing list (local link)},
 +
  year = {2009},
 +
}
 +
</bibtex>
 +
 +
<bibtex>
 +
@misc{luxB09,
 +
  author    = {Tor E. Bjørstad},
 +
  title    = {A distinguisher for reduced-round LUX (source code)},
 +
  url = {http://ehash.iaik.tugraz.at/uploads/f/f9/LUXdistinguisher.zip},
 +
  howpublished = {NIST mailing list (local link)},
 +
  year = {2009},
 
}
 
}
 
</bibtex>
 
</bibtex>

Revision as of 08:20, 9 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 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

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