Difference between revisions of "CHI"

From The ECRYPT Hash Function Website
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* Author(s): Phil Hawkes, Cameron McDonald
 
* Author(s): Phil Hawkes, Cameron McDonald
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* Website: [http://www.qualcomm.com.au/CHI.html http://www.qualcomm.com.au/CHI.html]
* Website:  
 
-->
 
 
* NIST submission package: [http://csrc.nist.gov/groups/ST/hash/sha-3/Round1/documents/CHI.zip CHI.zip]
 
* NIST submission package: [http://csrc.nist.gov/groups/ST/hash/sha-3/Round1/documents/CHI.zip CHI.zip]
* Specification:
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<bibtex>
 
<bibtex>
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== Cryptanalysis ==
 
== Cryptanalysis ==
  
* None yet
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{| border="1" cellpadding="4" cellspacing="0" class="wikitable" style="text-align:center"                 
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|- style="background:#efefef;"                 
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|    Type of Analysis || Hash Function Part || Hash Size (n) || Parameters/Variants || Compression Function Calls || Memory Requirements ||  Reference
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|-                                       
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|  | pseudo-2nd preimage|| hash || 224/256 ||  || 1 || - || [http://ehash.iaik.tugraz.at/uploads/0/0d/Bjorstad_chi.txt Aumasson,Bjørstad,Meier,Mendel]
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|-                                     
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|}
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A description of this table is given [http://ehash.iaik.tugraz.at/wiki/Cryptanalysis_Categories#Individual_Hash_Function_Tables here].
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<bibtex>
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@misc{chiABMM09,
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  author    = {Jean-Philippe Aumasson and Tor E. Bjørstad and Willi Meier and Florian Mendel},
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  title    = {Observation on the PRE-MIXING step of CHI-256 and CHI-224},
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  url        = {http://ehash.iaik.tugraz.at/uploads/0/0d/Bjorstad_chi.txt},
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  howpublished = {OFFICIAL COMMENT},
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  year      = {2009},
 +
}

Latest revision as of 18:23, 11 May 2009

1 The algorithm


Phil Hawkes, Cameron McDonald - Submission to the SHA-3 Competition: The CHI Family of Cryptographic Hash Algorithms

,2008
http://ehash.iaik.tugraz.at/uploads/2/2c/Chi_submission.pdf
Bibtex
Author : Phil Hawkes, Cameron McDonald
Title : Submission to the SHA-3 Competition: The CHI Family of Cryptographic Hash Algorithms
In : -
Address :
Date : 2008


2 Cryptanalysis

Type of Analysis Hash Function Part Hash Size (n) Parameters/Variants Compression Function Calls Memory Requirements Reference
pseudo-2nd preimage hash 224/256 1 - Aumasson,Bjørstad,Meier,Mendel

A description of this table is given here.


<bibtex> @misc{chiABMM09,

 author    = {Jean-Philippe Aumasson and Tor E. Bjørstad and Willi Meier and Florian Mendel},
 title     = {Observation on the PRE-MIXING step of CHI-256 and CHI-224},
 url        = {http://ehash.iaik.tugraz.at/uploads/0/0d/Bjorstad_chi.txt},
 howpublished = {OFFICIAL COMMENT},
 year      = {2009},

}