Difference between revisions of "Vortex"
From The ECRYPT Hash Function Website
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== Specification == | == Specification == | ||
| − | + | * digest size: 256 bits | |
| − | * digest size: | ||
* max. message length: < 2<sup>64</sup> bits | * max. message length: < 2<sup>64</sup> bits | ||
| − | * compression function: 512-bit message block, | + | * compression function: 512-bit message block, 256-bit chaining variable |
* Specification: | * Specification: | ||
| − | --> | + | |
| + | <bibtex> | ||
| + | @inproceedings{iswGueronK08, | ||
| + | author = {Shay Gueron and Michael E. Kounavis}, | ||
| + | title = {Vortex: A New Family of One-Way Hash Functions Based on AES Rounds and Carry-Less Multiplication}, | ||
| + | booktitle = {ISC}, | ||
| + | year = {2008}, | ||
| + | pages = {331-340}, | ||
| + | abstract = {We present Vortex a new family of one way hash functions that can produce message digests of 256 bits. The main idea behind the design of these hash functions is that we use well known algorithms that can support very fast diffusion in a small number of steps. We also balance the cryptographic strength that comes from iterating block cipher rounds with SBox substitution and diffusion (like Whirlpool) against the need to have a lightweight implementation with as small number of rounds as possible. We use only 3 AES rounds but with a stronger key schedule. Our goal is not to protect a secret symmetric key but to support perfect mixing of the bits of the input into the hash value. Three AES rounds are followed by our variant of Galois Field multiplication. This achieves cross-mixing between 128-bit sets. We present a set of qualitative arguments why we believe Vortex is secure.}, | ||
| + | url = {http://dx.doi.org/10.1007/978-3-540-85886-7_23}, | ||
| + | editor = {Tzong-Chen Wu and Chin-Laung Lei and Vincent Rijmen and Der-Tsai Lee}, | ||
| + | publisher = {Springer}, | ||
| + | series = {LNCS}, | ||
| + | volume = {5222}, | ||
| + | isbn = {978-3-540-85884-3}, | ||
| + | } | ||
| + | </bibtex> | ||
== Cryptanalysis == | == Cryptanalysis == | ||
Revision as of 14:35, 10 November 2008
Contents
1 Specification
- digest size: 256 bits
- max. message length: < 264 bits
- compression function: 512-bit message block, 256-bit chaining variable
- Specification:
Shay Gueron, Michael E. Kounavis - Vortex: A New Family of One-Way Hash Functions Based on AES Rounds and Carry-Less Multiplication
- ISC 5222:331-340,2008
- http://dx.doi.org/10.1007/978-3-540-85886-7_23
BibtexAuthor : Shay Gueron, Michael E. Kounavis
Title : Vortex: A New Family of One-Way Hash Functions Based on AES Rounds and Carry-Less Multiplication
In : ISC -
Address :
Date : 2008
