# A shallow embedding of HyperCTL*

 Title: A shallow embedding of HyperCTL* Authors: Markus N. Rabe, Peter Lammich and Andrei Popescu (uuomul /at/ yahoo /dot/ com) Submission date: 2014-04-16 Abstract: We formalize HyperCTL*, a temporal logic for expressing security properties. We first define a shallow embedding of HyperCTL*, within which we prove inductive and coinductive rules for the operators. Then we show that a HyperCTL* formula captures Goguen-Meseguer noninterference, a landmark information flow property. We also define a deep embedding and connect it to the shallow embedding by a denotational semantics, for which we prove sanity w.r.t. dependence on the free variables. Finally, we show that under some finiteness assumptions about the model, noninterference is given by a (finitary) syntactic formula. BibTeX: ```@article{HyperCTL-AFP, author = {Markus N. Rabe and Peter Lammich and Andrei Popescu}, title = {A shallow embedding of HyperCTL*}, journal = {Archive of Formal Proofs}, month = apr, year = 2014, note = {\url{http://isa-afp.org/entries/HyperCTL.html}, Formal proof development}, ISSN = {2150-914x}, }``` License: BSD License Status: [ok] This is a development version of this entry. It might change over time and is not stable. Please refer to release versions for citations.