---
id: 1459
title: "Friends don’t let friends reuse IVs"
source_domain: blog.trailofbits.com
source_url: "https://blog.trailofbits.com/2024/09/13/friends-dont-let-friends-reuse-nonces/"
published_at: "2024-09-13 13:00"
tags: ["cryptography", "iv", "trail-of-bits", "threshold-signatures", "nonce-reuse", "secure-communication"]
phying_url: "https://phying.com/item/1459"
lang: en
---

# Friends don’t let friends reuse IVs

## Summary

Trail of Bits recounts a subtle crypto bug: parties in a threshold signature scheme never reused nonces, but identical nonce sequences across senders collided, enabling tampering and framing attacks.

## Intelligence Metadata

- **Sources:** blog.trailofbits.com
- **Published:** 2024-09-13 13:00
- **Original:** https://blog.trailofbits.com/2024/09/13/friends-dont-let-friends-reuse-nonces/
- **Phying News:** https://phying.com/item/1459