---
id: 10061
title: "Ledger Donjon CTF Masked Boot write-up"
source_domain: eshard.com
source_url: "https://www.eshard.com/blog/ledger-masked-boot"
published_at: "2021-12-24T00:00:00Z"
tags: ["vulnerability-research", "ctf", "hardware-security", "side-channel", "writeup", "eshard", "ledger-ctf"]
phying_url: "https://phying.com/item/10061"
lang: en
---

# Ledger Donjon CTF Masked Boot write-up

## Summary

This article presents the solution of the *Masked Boot* side-channel challenge of the 2021 Ledger Donjon CTF.

## Intelligence Metadata

- **Sources:** eshard.com
- **Published:** 2021-12-24T00:00:00Z
- **Original:** https://www.eshard.com/blog/ledger-masked-boot
- **Phying News:** https://phying.com/item/10061