protocol-design
2 posts tagged protocol-design.
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The Signature Was Valid. The Message Was Forged: A Field Guide to Serialization and Canonicalization Attacks
Why the bytes you sign matter more than the algorithm: hash length extension, ASN.1/DER forgery, JWT alg confusion, and XML signature wrapping -- and the fix.
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Secure Against Whom? The Security Definitions Every Protocol Designer Needs
A protocol designer's field guide to IND-CPA, IND-CCA2, EUF-CMA, AEAD, and the random oracle model, and why the wrong adversary model sinks real protocols.