Signing data structures the wrong way

🔒 "Domain Separation in IDL: The Wrong Way to Sign Data Structures"

Signing data structures requires careful consideration to ensure authenticity and integrity, but a common approach in IDL (Interface Description Language) falls short by neglecting domain separation, leading to potential security vulnerabilities. This oversight can compromise the trustworthiness of signed data. Proper domain separation is crucial for secure data exchange.

guid

https://news.ycombinator.com/item?id=47605677

source_url

https://blog.foks.pub/posts/domain-separation-in-idl/

author_name

malgorithms

id: 1398
uid: YI5kK
insdate: 2026-04-02 01:05:40
title: Signing data structures the wrong way
additional: 🔒 "Domain Separation in IDL: The Wrong Way to Sign Data Structures"

Signing data structures requires careful consideration to ensure authenticity and integrity, but a common approach in IDL (Interface Description Language) falls short by neglecting domain separation, leading to potential security vulnerabilities. This oversight can compromise the trustworthiness of signed data. Proper domain separation is crucial for secure data exchange.
category: Hacker News
md5:
guid: https://news.ycombinator.com/item?id=47605677
source_url: https://blog.foks.pub/posts/domain-separation-in-idl/
updated:
image:
author_name: malgorithms
author_link:
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