Difference between revisions of "Abacus"
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<bibtex> | <bibtex> | ||
| − | @misc{ | + | @misc{sha3Sholer08, |
author = {Neil Sholer}, | author = {Neil Sholer}, | ||
title = {Abacus: A Candidate for SHA-3}, | title = {Abacus: A Candidate for SHA-3}, | ||
| Line 17: | Line 17: | ||
} | } | ||
</bibtex> | </bibtex> | ||
| + | |||
== Cryptanalysis == | == Cryptanalysis == | ||
| − | + | {| 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 | ||
| + | |- | ||
| + | | style="background:orange" | 2nd preimage || hash || || || 2<sup>344</sup> || - || [http://web.mit.edu/dwilson/www/hash/abacus_attack.pdf Wilson] | ||
| + | |- | ||
| + | | style="background:orange" | collision || hash || || || 2<sup>172</sup> || - || [http://web.mit.edu/dwilson/www/hash/abacus_attack.pdf Wilson] | ||
| + | |- | ||
| + | | style="background:orange" | 2nd preimage || hash || || || 2<sup>172</sup> || - || [http://lj.streamclub.ru/papers/hash/abacus.pdf Nikolić,Khovratovich] | ||
| + | |- | ||
| + | |} | ||
| + | |||
| + | A description of this table is given [http://ehash.iaik.tugraz.at/wiki/Cryptanalysis_Categories#Individual_Hash_Function_Tables here]. | ||
| + | |||
| + | |||
| + | <bibtex> | ||
| + | @misc{sha3cryptanalysisWilsonAbacus, | ||
| + | author = {David A. Wilson}, | ||
| + | title = {Abacus: A second-preimage and collision attack}, | ||
| + | url = {http://web.mit.edu/dwilson/www/hash/abacus_attack.pdf}, | ||
| + | howpublished = {available online}, | ||
| + | year = {2008}, | ||
| + | abstract = {A technique for controlling parts of the internal state of the Abacus hash function is described. This technique leads to a second-preimage attack of complexity 2^344 operations and a collision attack of approximately 2^172 operations.}, | ||
| + | } | ||
| + | </bibtex> | ||
| + | |||
| + | <bibtex> | ||
| + | @misc{sha3cryptanalysisNikolicAbacus, | ||
| + | author = {Ivica Nikolic and Dmitry Khovratovich }, | ||
| + | title = {Second preimage attack on Abacus}, | ||
| + | url = {http://lj.streamclub.ru/papers/hash/abacus.pdf}, | ||
| + | howpublished = {available online}, | ||
| + | year = {2008}, | ||
| + | abstract = {We present a second preimage attack on Abacus. The attack requires 2^172 computations and negligible memory for all digests.}, | ||
| + | } | ||
| + | </bibtex> | ||
Latest revision as of 21:46, 29 December 2008
1 The algorithm
- Author(s): Neil Sholer
- NIST submission package: Abacus.zip
Neil Sholer - Abacus: A Candidate for SHA-3
- ,2008
- http://ehash.iaik.tugraz.at/uploads/b/be/Abacus.pdf
BibtexAuthor : Neil Sholer
Title : Abacus: A Candidate for SHA-3
In : -
Address :
Date : 2008
2 Cryptanalysis
| Type of Analysis | Hash Function Part | Hash Size (n) | Parameters/Variants | Compression Function Calls | Memory Requirements | Reference |
| 2nd preimage | hash | 2344 | - | Wilson | ||
| collision | hash | 2172 | - | Wilson | ||
| 2nd preimage | hash | 2172 | - | Nikolić,Khovratovich |
A description of this table is given here.
David A. Wilson - Abacus: A second-preimage and collision attack
- ,2008
- http://web.mit.edu/dwilson/www/hash/abacus_attack.pdf
BibtexAuthor : David A. Wilson
Title : Abacus: A second-preimage and collision attack
In : -
Address :
Date : 2008
Ivica Nikolic, Dmitry Khovratovich - Second preimage attack on Abacus
