Difference between revisions of "Dynamic SHA"

From The ECRYPT Hash Function Website
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| style="background:red" | collision|| hash || 512||  || 2<sup>24</sup> || - || [http://homes.esat.kuleuven.be/~sindeste/dsha.html Indesteege]
 
| style="background:red" | collision|| hash || 512||  || 2<sup>24</sup> || - || [http://homes.esat.kuleuven.be/~sindeste/dsha.html Indesteege]
 
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| style="background:orange" | 2nd preimage || hash || 224/256 ||  || 2<sup>216</sup> || - || [http://eprint.iacr.org/2009/184.pdf Aumasson,Dunkelman,Indesteege,Preneel]
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| style="background:orange" | 2nd preimage || hash || 224,256 ||  || 2<sup>216</sup> || - || [http://eprint.iacr.org/2009/184.pdf Aumasson,Dunkelman,Indesteege,Preneel]
 
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| style="background:orange" | 2nd preimage || hash || 384/512 ||  || 2<sup>256</sup> || - || [http://eprint.iacr.org/2009/184.pdf Aumasson,Dunkelman,Indesteege,Preneel]
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| style="background:orange" | 2nd preimage || hash || 384,512 ||  || 2<sup>256</sup> || - || [http://eprint.iacr.org/2009/184.pdf Aumasson,Dunkelman,Indesteege,Preneel]
 
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| style="background:orange" | preimage || hash || 224/256 ||  || 2<sup>225</sup> || - || [http://eprint.iacr.org/2009/184.pdf Aumasson,Dunkelman,Indesteege,Preneel]
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| style="background:orange" | preimage || hash || 224,256 ||  || 2<sup>225</sup> || - || [http://eprint.iacr.org/2009/184.pdf Aumasson,Dunkelman,Indesteege,Preneel]
 
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| style="background:orange" | preimage || hash || 224/256 ||  || 2<sup>262</sup> || - || [http://eprint.iacr.org/2009/184.pdf Aumasson,Dunkelman,Indesteege,Preneel]
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| style="background:orange" | preimage || hash || 224,256 ||  || 2<sup>262</sup> || - || [http://eprint.iacr.org/2009/184.pdf Aumasson,Dunkelman,Indesteege,Preneel]
 
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Latest revision as of 13:57, 4 June 2009

1 The algorithm


Zijie Xu - Dynamic SHA

,2008
http://ehash.iaik.tugraz.at/uploads/e/e2/DyamicSHA.pdf
Bibtex
Author : Zijie Xu
Title : Dynamic SHA
In : -
Address :
Date : 2008


2 Cryptanalysis

Type of Analysis Hash Function Part Hash Size (n) Parameters/Variants Compression Function Calls Memory Requirements Reference
length-extension hash all - - Klima
collision hash 256 223 - Indesteege
collision hash 512 224 - Indesteege
2nd preimage hash 224,256 2216 - Aumasson,Dunkelman,Indesteege,Preneel
2nd preimage hash 384,512 2256 - Aumasson,Dunkelman,Indesteege,Preneel
preimage hash 224,256 2225 - Aumasson,Dunkelman,Indesteege,Preneel
preimage hash 224,256 2262 - Aumasson,Dunkelman,Indesteege,Preneel

A description of this table is given here.


Vlastimil Klima - Dynamic SHA is vulnerable to generic attacks

,2008
http://ehash.iaik.tugraz.at/uploads/e/e7/Dynamic-sha_length-extension.txt
Bibtex
Author : Vlastimil Klima
Title : Dynamic SHA is vulnerable to generic attacks
In : -
Address :
Date : 2008

Sebastiaan Indesteege - Practical Collisions for Dynamic SHA

,2009
http://homes.esat.kuleuven.be/~sindeste/dsha.html
Bibtex
Author : Sebastiaan Indesteege
Title : Practical Collisions for Dynamic SHA
In : -
Address :
Date : 2009

Jean-Philippe Aumasson, Orr Dunkelman, Sebastiaan Indesteege, Bart Preneel - Cryptanalysis of Dynamic SHA(2)

,2009
http://eprint.iacr.org/2009/184.pdf
Bibtex
Author : Jean-Philippe Aumasson, Orr Dunkelman, Sebastiaan Indesteege, Bart Preneel
Title : Cryptanalysis of Dynamic SHA(2)
In : -
Address :
Date : 2009


2.1 Archive

Sebastiaan Indesteege - Cryptanalysis of Dynamic SHA

,2009
http://ehash.iaik.tugraz.at/uploads/c/c2/Dsha.pdf
Bibtex
Author : Sebastiaan Indesteege
Title : Cryptanalysis of Dynamic SHA
In : -
Address :
Date : 2009
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