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Author

Ioana Boureanu

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Preprint Aug 2026

Decidability of Parameterised Dolev-Yao Secrecy

A cut-off theorem is obtained: secrecy violations in systems with arbitrarily many sessions are always witnessed in systems of bounded size, so secrecy also reduces to a coverability problem in WSTS.

Ioana Boureanu, R. Ramanujam, Srinibas Swain · 0 citations
Preprint Aug 2026

Rational Dolev--Yao Attackers: Decidable Incentive-Aware Verification of Security Protocols in Strategic Logic

A rational Dolev--Yao attacker is introduced, a DY intruder whose actions carry costs and whose security-violating goals carry rewards, and a protocol is called rationally secure when no intruder strategy achieves a violation with strictly positive utility, expressed in a weighted fragment of ATL (WATL).

Ioana Boureanu, R. Ramanujam · 0 citations

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