Dynamic SHA2

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1 The algorithm


Zijie Xu - Dynamic SHA2
Submission to NIST, 2008
[Electronic Edition] [Bibtex]
Author : Zijie Xu
Title : Dynamic SHA2
In : Submission to NIST -


2 Cryptanalysis

Type of Analysis Hash Function Part Hash Size (n) Parameters/Variants Compression Function Calls Memory Requirements Reference
length-extension hash all - - Klima
near-collision compression 224/256 245 - Yu,Wang
near-collision compression 384/512 275 - Yu,Wang
collision hash 224/256 251 - Aumasson,Dunkelman,Indesteege,Preneel
collision hash 384/512 285 - Aumasson,Dunkelman,Indesteege,Preneel

A description of this table is given here.


Vlastimil Klima - Dynamic SHA2 is vulnerable to generic attacks
OFFICIAL COMMENT (local link), 2008
[Electronic Edition] [Bibtex]
Author : Vlastimil Klima
Title : Dynamic SHA2 is vulnerable to generic attacks
In : OFFICIAL COMMENT (local link) -

Hongbo Yu, Xiaoyun Wang - Near-Collision Attack on the Compression Function of Dynamic SHA2
Cryptology ePrint Archive, Report 2009/179, 2009
[Electronic Edition] [Bibtex]
Author : Hongbo Yu, Xiaoyun Wang
Title : Near-Collision Attack on the Compression Function of Dynamic SHA2
In : Cryptology ePrint Archive, Report 2009/179 -
[Abstract]

Jean-Philippe Aumasson, Orr Dunkelman, Sebastiaan Indesteege, Bart Preneel - Cryptanalysis of Dynamic SHA(2)
Cryptology ePrint Archive, Report 2009/184, 2009
[Electronic Edition] [Bibtex]
Author : Jean-Philippe Aumasson, Orr Dunkelman, Sebastiaan Indesteege, Bart Preneel
Title : Cryptanalysis of Dynamic SHA(2)
In : Cryptology ePrint Archive, Report 2009/184 -
[Abstract]
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