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Title:
Fiat-Shamir in the Wild
Authors: Hieu Nguyen, Uyen Ho, Alex Biryukov
Abstract:The Fiat-Shamir transformation is a key technique for removing interactivity from cryptographic proof systems in real-world applications. In this work, we discuss five types of Fiat-Shamir-related protocol design errors and illustrate them with concrete examples mainly taken from real-life applications. We discuss countermeasures for such vulnerabilities.
ePrint: https://eprint.iacr.org/2024/1565
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