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Freshness Constraints in the RT Framework

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New Results in Dependability and Computer Systems

Part of the book series: Advances in Intelligent Systems and Computing ((AISC,volume 224))

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Abstract

The work is focused on "time-domain" nonmonotonicity in the RT Framework, which is a Trust Management model. The freshness constraints propagation model that allows for credential revocation is presented. The solution introduces a freshness constraints that turn nonmonotonicity to be temporally monotonic. The freshness graph and propagation rules of freshness constraints are defined. The proposed solution allows policy authors to flexibly define constraints on policy level. Finally, the given model is evaluated against the real-life sample scenario.

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References

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Authors and Affiliations

  1. Institute of Control and Computation Engineering, Warsaw University of Technology, Warsaw, Poland

    Wojciech Pikulski & Krzysztof Sacha

Authors
  1. Wojciech Pikulski
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  2. Krzysztof Sacha
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Corresponding author

Correspondence to Wojciech Pikulski .

Editor information

Editors and Affiliations

  1. , Institute of Computer Engineering, Wrocław University of Technology, ul. Janiszewskiego 11/17, Wrocław, 50-372, Poland

    Wojciech Zamojski

  2. , Institute of Computer Engineering, Wrocław University of Technology, ul. Janiszewskiego 11/17, Wrocław, 50-372, Poland

    Jacek Mazurkiewicz

  3. , Institute of Computer Engineering, Wrocław University of Technology, ul. Janiszewskiego 11/17, Wrocław, 50-372, Poland

    Jarosław Sugier

  4. , Institute of Computer Engineering, Wrocław University of Technology, ul. Janiszewskiego 11/17, Wrocław, 50-372, Poland

    Tomasz Walkowiak

  5. , Systems Research Institute, Polish Academy of Sciences, ul. Newelska 6, Warszawa, 01-447, Poland

    Janusz Kacprzyk

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Pikulski, W., Sacha, K. (2013). Freshness Constraints in the RT Framework. In: Zamojski, W., Mazurkiewicz, J., Sugier, J., Walkowiak, T., Kacprzyk, J. (eds) New Results in Dependability and Computer Systems. Advances in Intelligent Systems and Computing, vol 224. Springer, Heidelberg. https://doi.org/10.1007/978-3-319-00945-2_29

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