Decentralised Hash Function
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26220%2F15%3APU115187" target="_blank" >RIV/00216305:26220/15:PU115187 - isvavai.cz</a>
Result on the web
<a href="http://paper.ijcsns.org/07_book/201508/20150803.pdf" target="_blank" >http://paper.ijcsns.org/07_book/201508/20150803.pdf</a>
DOI - Digital Object Identifier
—
Alternative languages
Result language
angličtina
Original language name
Decentralised Hash Function
Original language description
In this article, a new hash function is introduced. The hash function is calculated by several parties - the client and one or more servers. If a user or attacker wants to calculate the hash of any message, he has to query all the servers. This means that if the attacker wants to invert the hash function by brute-force attack, he has to query the servers frequently. Servers can detect a heavy load and deny queries submitted by the attacker, or limit them. The calculation is done in a way that no server can detect which message is hashed nor trick the client to calculate a wrong value. This new decentralised hash function is useful in the case of wanting to hide some information by hashing, but the information has relatively low entropy, so brute-force attack is possible. One example is hashing of passwords to store them.
Czech name
—
Czech description
—
Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
—
OECD FORD branch
10201 - Computer sciences, information science, bioinformathics (hardware development to be 2.2, social aspect to be 5.8)
Result continuities
Project
—
Continuities
S - Specificky vyzkum na vysokych skolach
Others
Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
International Journal of Computer Science and Network Security
ISSN
1738-7906
e-ISSN
—
Volume of the periodical
15
Issue of the periodical within the volume
8
Country of publishing house
KR - KOREA, REPUBLIC OF
Number of pages
5
Pages from-to
16-20
UT code for WoS article
000365531800003
EID of the result in the Scopus database
—