Difference between revisions of "Abacus"
From The ECRYPT Hash Function Website
Crechberger (talk | contribs) (Added two cryptanalytic results on Abacus) |
Mschlaeffer (talk | contribs) m (→Cryptanalysis) |
||
| (6 intermediate revisions by 2 users not shown) | |||
| Line 21: | Line 21: | ||
== 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]. | ||
| Line 30: | Line 43: | ||
howpublished = {available online}, | howpublished = {available online}, | ||
year = {2008}, | 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> | ||
| Line 40: | Line 54: | ||
howpublished = {available online}, | howpublished = {available online}, | ||
year = {2008}, | year = {2008}, | ||
| + | abstract = {We present a second preimage attack on Abacus. The attack requires 2^172 computations and negligible memory for all digests.}, | ||
} | } | ||
</bibtex> | </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
