Principles of Security and Trust [electronic resource] : 4th International Conference, POST 2015, Held as Part of the European Joint Conferences on Theory and Practice of Software, ETAPS 2015, London, UK, April 11-18, 2015, Proceedings / edited by Riccardo Focardi, Andrew Myers.

Quantitative Approaches to the Protection of Private Information: State of the Art and Some Open Challenges -- IFC Inside: Retrofitting Languages with Dynamic Information Flow Control -- Very Static Enforcement of Dynamic Policies -- The Foundational Cryptography Framework -- On the Flow of Data, Information, and Time -- Pareto Efficient Solutions of Attack-Defence Trees -- Analysis of XACML Policies with SMT -- Automatically Checking Commitment Protocols in ProVerif without False Attacks -- Generalizing Multi-party Contract Signing -- Leakiness is Decidable for Well-Founded Protocols -- Abstractions for Security Protocol Verification -- Automated Backward Analysis of PKCS#11 v2.20 -- A Safe Update Mechanism for Smart Cards -- Discrete vs. Dense Times in the Analysis of Cyber-Physical Security Protocols -- Timing Attacks in Security Protocols: Symbolic Framework and Proof Techniques -- Type-Based Verification of Electronic Voting Protocols -- Composing Security Protocols: From Confidentiality to Privacy -- PriCL: Creating a Precedent, a Framework for Reasoning about Privacy Case Law.