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Guesswork Changes in Multi-processor Attacks
Karlstads universitet, Fakulteten för ekonomi, kommunikation och IT, Avdelningen för datavetenskap. (PriSec)
Karlstads universitet, Fakulteten för ekonomi, kommunikation och IT, Avdelningen för datavetenskap. (PriSec)ORCID-id: 0000-0003-0778-4736
2011 (engelsk)Inngår i: Proceedings of the 7th International Conference on Information Assurance and Security (IAS 2011), IEEE Press, 2011, s. 145-150Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

More and more effort is being spent on security improvements in today's computer networking environments. However, due to the nature of computer security there is still a lack of good quantitative assessment methods. Inventing and developing new ways of measuring security are therefore needed in order to more exact describe, assess, and improve security of computer environments. One existing quantitative security measure is guesswork. Guesswork gives the average number of guesses in a brute force attack when breaking an encrypted message. In the current definition of guesswork it is assumed that the attacker uses a single processor when breaking an encrypted message. However, an intelligent and motivated attacker will likely use several processors that can work in parallel to break an encrypted message. This paper formally investigates how guesswork changes over time in multi-processor attacks. The result is applied on three probability distributions, the English alphabet, the geometric, and the truncated geometric to illustrate some behaviors.

sted, utgiver, år, opplag, sider
IEEE Press, 2011. s. 145-150
Emneord [en]
Computer security, Computers, Cryptography, Force, Indexes, Probability distribution
HSV kategori
Forskningsprogram
Datavetenskap
Identifikatorer
URN: urn:nbn:se:kau:diva-11893DOI: 10.1109/ISIAS.2011.6122810ISBN: 978-1-4577-2154-0 (tryckt)OAI: oai:DiVA.org:kau-11893DiVA, id: diva2:506380
Konferanse
7th International Conference on Information Assurance and Security (IAS 2011), Melacca, Malaysia, December 5-8
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C-BIC fas 2
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Tilgjengelig fra: 2012-02-28 Laget: 2012-02-28 Sist oppdatert: 2018-01-12bibliografisk kontrollert

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Totalt: 153 treff
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