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Description: Verifpal is free and open source software for the analysis and verification of cryptographic protocols. It uses a new, simple language for modeling protocols, and outputs readable analysis results, making it uniquely suitable as an introduction to cryptographic protocol verification for students and engineers. Learn how to use Verifpal using the Verifpal User Manual, and get started with protocol verification today!
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Verifpal Software & Media Events & Talks Get Involved Verifpal ® Verifpal ® is new software for verifying the security of cryptographic protocols. Building upon contemporary research in symbolic formal verification, Verifpal’s main aim is to appeal more to real-world practitioners, students and engineers without sacrificing comprehensive formal verification features.
In order to achieve this, Verifpal introduces a new, intuitive language for modeling protocols that is much easier to write and understand than the languages employed by existing tools. At the same time, Verifpal is able to model protocols under an active attacker with unbounded sessions and fresh values, and supports queries for advanced security properties such as forward secrecy or key compromise impersonation.
Verifpal has already been used to verify security properties for Signal, Scuttlebutt, TLS 1.3, Telegram and other protocols. It is a community-focused project, and available under a GPLv3 license.
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