### 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.

### License

BSD License

### Topics

- Computer science/Security
- Logic/General logic/Temporal logic

### Session HyperCTL

- Prelim
- Shallow
- Noninterference
- Deep
- Finite_Noninterference
- HyperCTL

## Cite

×

HyperCTL-AFP

    @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   = {April},
      year    = {2014},
      note    = {\url{https://isa-afp.org/entries/HyperCTL.html},
                 Formal proof development},
      ISSN    = {2150-914x},
    }

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