Mifare Classic Tool 2.3.1 Jun 2026

MIFARE Classic is a hardware standard for contactless smart cards operating at a high frequency of . Developed by NXP Semiconductors, these tags are heavily used worldwide for public transit, building access control, and loyalty programs. Memory Structure

The tool is made for people who test security. It is also for developers and hobbyists. You can use it to clone cards or look at data. It works best with MIFARE Classic 1K and 4K tags. Key Features of Version 2.3.1 The 2.3.1 version focus is on making the app run smoother. : Scan cards to view the data blocks inside. Write Tags : Save new data onto compatible RFID cards. Key Management : Store and edit secret keys to unlock tags.

MIFARE Classic is an aging technology. Its security relies on the CRYPTO1 algorithm, which has been publicly compromised for years. Tools like MCT 2.3.1 highlight these vulnerabilities by demonstrating how easily data can be cloned or modified if the encryption keys are discovered. It is vital to use MCT responsibly: mifare classic tool 2.3.1

Older versions of Mifare Classic Tool - MCT (Android) | Uptodown

: Uninstalling the app permanently deletes all saved dump and key files. Getting Started with 2.3.1 MIFARE Classic is a hardware standard for contactless

: Decodes and displays the complex access bits of each sector as a readable table.

Summary

+-------------------------------------------------------+ | SECTOR 0 | | Block 0: [ Manufacturer Data / Non-Writable UID ] | <-- Read-only on retail tags | Block 1: [ Data Block ] | | Block 2: [ Data Block ] | | Block 3: [ Key A (6B) | Access Bits (3B) | Key B ] | <-- Sector Trailer +-------------------------------------------------------+ | SECTORS 1 to 15 | | Block 0: [ Data Block ] | | Block 1: [ Data Block ] | | Block 2: [ Data Block ] | | Block 3: [ Key A (6B) | Access Bits (3B) | Key B ] | <-- Sector Trailer +-------------------------------------------------------+ The Anatomy of a Tag

This is the most critical feature for penetration testing. It is also for developers and hobbyists