Difference between revisions of "CHI"

From The ECRYPT Hash Function Website
 
m (Added pseudo-2nd preimage official comment)
 
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== The algorithm ==
 
== The algorithm ==
  
* Author(s): Phil Hawkes and Cameron McDonald
+
* Author(s): Phil Hawkes, Cameron McDonald
* Website:  
+
* Website: [http://www.qualcomm.com.au/CHI.html http://www.qualcomm.com.au/CHI.html]
* Specification:  
+
* NIST submission package: [http://csrc.nist.gov/groups/ST/hash/sha-3/Round1/documents/CHI.zip CHI.zip]
 +
 
  
 
<bibtex>
 
<bibtex>
@misc{sha3Rose08,
+
@misc{sha3HawkesM08,
 
   author    = {Phil Hawkes and Cameron McDonald},
 
   author    = {Phil Hawkes and Cameron McDonald},
 
   title    = {Submission to the SHA-3 Competition: The CHI Family of Cryptographic Hash Algorithms},
 
   title    = {Submission to the SHA-3 Competition: The CHI Family of Cryptographic Hash Algorithms},
   url        = {},
+
   url        = {http://ehash.iaik.tugraz.at/uploads/2/2c/Chi_submission.pdf},
 
   howpublished = {Submission to NIST},
 
   howpublished = {Submission to NIST},
 
   year      = {2008},
 
   year      = {2008},
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== Cryptanalysis ==
 
== Cryptanalysis ==
  
* None yet
+
 
 +
{| 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-2nd preimage|| hash || 224/256 ||  || 1 || - || [http://ehash.iaik.tugraz.at/uploads/0/0d/Bjorstad_chi.txt Aumasson,Bjørstad,Meier,Mendel]
 +
|-                                     
 +
|}
 +
 
 +
A description of this table is given [http://ehash.iaik.tugraz.at/wiki/Cryptanalysis_Categories#Individual_Hash_Function_Tables 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},
 +
}

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},

}