On the modelling of Kerberos protocol in the Quality of Protection Modelling Language (QoP-ML)

Bogdan Księżopolski, Damian Rusinek, Adam Wierzbicki

Abstract


The security modelling of IT systems is a very complicated task. One of the issues which must be analysed is the performance of IT systems. In many cases the guaranteed security level is too high in relation to the real threats. The overestimation of security measures can decrease system performance. The paper presents the analysis of Kerberos cryptographic protocol in terms of quality of protection performed by Quality of Protection Modelling Language (QoP-ML). The analysis concerns the availability attribute. In the article the Kerberos protocol was modelled and the QoP analysis of two selected versions was performed.

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DOI: http://dx.doi.org/10.2478/v10065-012-0032-0
Date of publication: 2012-01-01 00:00:00
Date of submission: 2016-04-28 09:08:32


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