@article{cassez-tcs-2016,
  author    = {Franck Cassez and
               Ron van der Meyden and
               Chenyi Zhang},
  title     = {The complexity of synchronous notions of information flow security},
  journal   = {Theor. Comput. Sci.},
  volume    = {631},
  pages     = {16--42},
  year      = {2016},
  urlpaper = {papers/tcs-2016.pdf},
  url_link       = {http://dx.doi.org/10.1016/j.tcs.2016.03.011},
  doi       = {10.1016/j.tcs.2016.03.011},
  timestamp = {Tue, 17 May 2016 17:26:44 +0200},
  biburl    = {http://dblp.uni-trier.de/rec/bib/journals/tcs/CassezMZ16},
  bibsource = {dblp computer science bibliography, http://dblp.org},
  show = {},
  abstract={The paper considers the complexity of verifying that a finite state system satisfies a number of definitions of information flow security. The systems model considered is one in which agents operate synchronously with awareness of the global clock. This enables timing based attacks to be captured, whereas previous work on this topic has dealt primarily with asynchronous systems. Versions of the notions of nondeducibility on inputs, nondeducibility on strategies, and an unwinding based notion are formulated for this model. All three notions are shown to be decidable, and their computational complexity is characterised.},
  Type = {A - Journal},
  keywords = {security, non-interference},


}

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