---
id: 4366
title: "MIFARE Classic: exposing the static encrypted nonce variant... and a few hardware backdoors"
source_domain: blog.quarkslab.com
source_url: "https://blog.quarkslab.com/mifare-classic-static-encrypted-nonce-and-backdoors.html"
published_at: "2024-08-19T22:00:00Z"
tags: ["cryptography", "backdoor", "rfid", "nfc", "proxmark3", "mifare"]
phying_url: "https://phying.com/item/4366"
lang: en
---

# MIFARE Classic: exposing the static encrypted nonce variant... and a few hardware backdoors

## Summary

Quarkslab breaks the static encrypted nonce protection of FM11RF08S MIFARE-compatible cards, uncovering a hardware backdoor enabling keyless authentication and related backdoors in older chips.

## Intelligence Metadata

- **Sources:** blog.quarkslab.com
- **Published:** 2024-08-19T22:00:00Z
- **Original:** https://blog.quarkslab.com/mifare-classic-static-encrypted-nonce-and-backdoors.html
- **Phying News:** https://phying.com/item/4366