Difference between revisions of "Vortex (SHA-3 submission)"
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* NIST submission package: [http://csrc.nist.gov/groups/ST/hash/sha-3/Round1/documents/Vortex.zip Vortex.zip] | * NIST submission package: [http://csrc.nist.gov/groups/ST/hash/sha-3/Round1/documents/Vortex.zip Vortex.zip] | ||
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== Cryptanalysis == | == Cryptanalysis == | ||
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| + | {| 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 collision || compression || all || || 2<sup>n/4</sup> || - || [http://ehash.iaik.tugraz.at/uploads/5/5c/Vortex_Collisions_and_Preimages_note.txt Knudsen,Mendel,Rechberger,Thomsen] | ||
| + | |- | ||
| + | | style="background:yellow" | preimage || hash || all || || 2<sup>3n/4</sup> || 2<sup>n/4</sup> || [http://ehash.iaik.tugraz.at/uploads/5/5c/Vortex_Collisions_and_Preimages_note.txt Knudsen,Mendel,Rechberger,Thomsen] | ||
| + | |- | ||
| + | | style="background:yellow" | collision || hash || 256 || || 2<sup>122.5</sup> || 2<sup>122.5</sup> || [http://ehash.iaik.tugraz.at/uploads/5/5c/Vortex_Collisions_and_Preimages_note.txt Knudsen,Mendel,Rechberger,Thomsen] | ||
| + | |- | ||
| + | | | observation || || all || || || || [http://www.131002.net/data/papers/AD08.pdf Aumasson,Dunkelman] | ||
| + | |- | ||
| + | | | correlation analysis || hash || all || || - || - || [http://ehash.iaik.tugraz.at/uploads/6/6d/Vortex_correlation.txt Ferguson] | ||
| + | |- | ||
| + | |} | ||
| + | |||
| + | A description of this table is given [http://ehash.iaik.tugraz.at/wiki/Cryptanalysis_Categories#Individual_Hash_Function_Tables here]. | ||
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Revision as of 21:47, 29 December 2008
1 The algorithm
- Author(s): Michael Kounavis, Shay Gueron
- NIST submission package: Vortex.zip
Michael Kounavis, Shay Gueron - Vortex: A New Family of One Way Hash Functions based on Rijndael Rounds and Carry-less Multiplication
- ,2008
- http://eprint.iacr.org/2008/464.pdf
BibtexAuthor : Michael Kounavis, Shay Gueron
Title : Vortex: A New Family of One Way Hash Functions based on Rijndael Rounds and Carry-less Multiplication
In : -
Address :
Date : 2008
2 Cryptanalysis
| Type of Analysis | Hash Function Part | Hash Size (n) | Parameters/Variants | Compression Function Calls | Memory Requirements | Reference |
| pseudo collision | compression | all | 2n/4 | - | Knudsen,Mendel,Rechberger,Thomsen | |
| preimage | hash | all | 23n/4 | 2n/4 | Knudsen,Mendel,Rechberger,Thomsen | |
| collision | hash | 256 | 2122.5 | 2122.5 | Knudsen,Mendel,Rechberger,Thomsen | |
| observation | all | Aumasson,Dunkelman | ||||
| correlation analysis | hash | all | - | - | Ferguson |
A description of this table is given here.
Lars R. Knudsen, Florian Mendel, Christian Rechberger, Søren S. Thomsen - Collision and Preimage Attacks on Vortex as submitted to the SHA-3 competition
- ,2008
- http://ehash.iaik.tugraz.at/uploads/5/5c/Vortex_Collisions_and_Preimages_note.txt
BibtexAuthor : Lars R. Knudsen, Florian Mendel, Christian Rechberger, Søren S. Thomsen
Title : Collision and Preimage Attacks on Vortex as submitted to the SHA-3 competition
In : -
Address :
Date : 2008
Jean-Philippe Aumasson, Orr Dunkelman - A note on Vortex' security
- ,2008
- http://www.131002.net/data/papers/AD08.pdf
BibtexAuthor : Jean-Philippe Aumasson, Orr Dunkelman
Title : A note on Vortex' security
In : -
Address :
Date : 2008
Niels Ferguson - Simple correlation on some of the output bits of Vortex
