Agent Security Is a Systems Problem

We take the position that agent security must be approached as a systems problem: the AI model powering the agent must be treated as an untrusted component, and security invariants must be enforced at the system level. Through this lens, efforts to increase model robustness the dominant viewpoint...

Adobe SDK 1.7.1 2410 Overflow Analysis / Fuzzing Model

This Python script implements a comprehensive framework to model, detect, and analyze integer overflows in 32-bit arithmetic, particularly in the context of image memory allocation. The framework combines formal methods, stepwise arithmetic, symbolic execution, SMT-style constraint solving,...

Cryptographic Binding Should Not Be Optional: A Formal-Methods Analysis of FIDO UAF Channel Binding

As a case study in cryptographic binding, we present a formal-methods analysis of the cryptographic channel binding mechanisms in the Fast IDentity Online FIDO Universal Authentication Framework UAF authentication protocol, which seeks to reduce the use of traditional passwords in favor of...

ModelForge: Using GenAI to Improve the Development of Security Protocols

Formal methods can be used for verifying security protocols, but their adoption can be hindered by the complexity of translating natural language protocol specifications into formal representations. In this paper, we introduce ModelForge, a novel tool that automates the translation of protocol...

A Systematic Classification of Vulnerabilities in MoveEVM Smart Contracts (MWC)

We introduce the MoveEVM Weakness Classification MWC system -- a dedicated vulnerability taxonomy for smart contracts built with Move and executed in EVM-compatible environments. While Move was originally designed to prevent common security flaws via linear resource types and strict ownership, it...

A Wide Reduction Trick

In line with the original spirit of Cryptography Dispatches, this is a quick1 issue to talk about a neat bit of cryptography engineering I encountered. The structure of an ECC implementation Elliptic curve cryptography implementations all roughly share the following structure: theres a base field...

Unhackable Cryptography?

A recent article overhyped the release of EverCrypt, a cryptography library created using formal methods to prove security against specific attacks. The Quanta magazine article sets off a series of "snake-oil" alarm bells. The author's Github README is more measured and accurate, and illustrates...