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On Session Typing, Probabilistic Polynomial Time, and Cryptographic Experiments

Authors Ugo Dal Lago , Giulia Giusti

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Author Details

Ugo Dal Lago
  • University of Bologna, Italy
  • INRIA Sophia Antipolis, France
Giulia Giusti
  • University of Bologna, Italy

Funding

The authors are partially supported by the ERC CoG "DIAPASoN", GA 818616.

Acknowledgements

The authors would like to thank the anonymous referees for the many insightful comments.

Cite AsGet BibTex

Ugo Dal Lago and Giulia Giusti. On Session Typing, Probabilistic Polynomial Time, and Cryptographic Experiments. In 33rd International Conference on Concurrency Theory (CONCUR 2022). Leibniz International Proceedings in Informatics (LIPIcs), Volume 243, pp. 37:1-37:18, Schloss Dagstuhl - Leibniz-Zentrum für Informatik (2022)
https://doi.org/10.4230/LIPIcs.CONCUR.2022.37

Abstract

A system of session types is introduced as induced by a Curry Howard correspondence applied to bounded linear logic, suitably extended with probabilistic choice operators and ground types. The resulting system satisfies some expected properties, like subject reduction and progress, but also unexpected ones, like a polynomial bound on the time needed to reduce processes. This makes the system suitable for modelling experiments and proofs from the so-called computational model of cryptography.

Subject Classification

ACM Subject Classification
  • Theory of computation → Process calculi
  • Theory of computation → Program semantics
  • Security and privacy → Mathematical foundations of cryptography
Keywords
  • Session Types
  • Probabilistic Computation
  • Bounded Linear Logic
  • Cryptographic Experiments

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