Vortex (SHA-3 submission)
From The ECRYPT Hash Function Website
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1 The algorithm
- Author(s): Michael Kounavis, Shay Gueron
- Website: http://math.haifa.ac.il/~vortex
- NIST submission package: Vortex.zip
- Submission to NIST, 2008
- [Electronic Edition] [Bibtex] Author : Michael Kounavis, Shay Gueron
Title : Vortex: A New Family of One Way Hash Functions based on Rijndael Rounds and Carry-less Multiplication
In : Submission to NIST -
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2 Cryptanalysis
| Type of Analysis | Hash Function Part | Hash Size (n) | Parameters/Variants | Compression Function Calls | Memory Requirements | Reference |
| correlation analysis | hash | all | - | - | Ferguson | |
| preimage | hash | 256 | 2195 | 264 | Aumasson,Dunkelman,Mendel,Rechberger,Thomsen | |
| preimage | hash | 512 | 2387 | 2128 | Aumasson,Dunkelman,Mendel,Rechberger,Thomsen | |
| collision | hash | 256 | 2124.5 | 2124.5 | Aumasson,Dunkelman,Mendel,Rechberger,Thomsen | |
| collision | hash | 512 | 2251.7 | 2251.7 | Aumasson,Dunkelman,Mendel,Rechberger,Thomsen | |
| distinguisher | hash | 256 | 297 | - | Aumasson,Dunkelman,Mendel,Rechberger,Thomsen | |
| 2nd preimage | hash | 256 | weak messages | 2129 | - | Aumasson,Dunkelman,Mendel,Rechberger,Thomsen |
| 2nd preimage | hash | 256 | weak messages | 233 | 2135 | Aumasson,Dunkelman,Mendel,Rechberger,Thomsen |
A description of this table is given here.
- OFFICIAL COMMENT (local link), 2008
- [Electronic Edition] [Bibtex] Author : Niels Ferguson
Title : Simple correlation on some of the output bits of Vortex
In : OFFICIAL COMMENT (local link) -
Jean-Philippe Aumasson, Orr Dunkelman, Florian Mendel, Christian Rechberger, Søren S. Thomsen - Cryptanalysis of Vortex
- In Proceedings of AFRICACRYPT, LNCS 5580, pp. 14-28, Springer, 2009
- [Electronic Edition] [Bibtex] Author : Jean-Philippe Aumasson, Orr Dunkelman, Florian Mendel, Christian Rechberger, Søren S. Thomsen[Abstract]
Title : Cryptanalysis of Vortex
In : In Proceedings of AFRICACRYPT -
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2.1 Archive
Lars R. Knudsen, Florian Mendel, Christian Rechberger, Søren S. Thomsen - Collision and Preimage Attacks on Vortex as submitted to the SHA-3 competition
- Available online, 2008
- [Electronic Edition] [Bibtex] Author : 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 : Available online -
Jean-Philippe Aumasson, Orr Dunkelman - A note on Vortex' security
