The MIFARE DESFire EV3 2K (MF3DHx3) is a high-security, contactless IC from NXP designed for secure applications like access control and ticketing. It features EAL5+ certification, 2KB EEPROM, 13.56 MHz ISO/IEC 14443A compliance, AES/3DES encryption, and 7-byte UID. It offers fast transactions, 848 Kbit/s speed, and supports multiple, secure applications.
 
Key Features & Security
Security: Hardware AES-128 and 3DES cryptographic engines, mutual three-pass authentication, and data encryption on the RF channel.
Memory: 2KB of EEPROM, capable of organizing up to 32 files per application with a flexible file system.
Privacy & Reliability: Includes a random ID feature for enhanced privacy and automatic anti-tear mechanisms for transaction integrity.
Performance: Higher transaction speeds and increased operating distance compared to previous generations (EV1/EV2).
Backward Compatibility: Fully compatible with earlier DESFire EV1/EV2 solutions. 
 
Typical Use Cases
Secure Access Management (corporate or school IDs)
Secure Public Transport Ticketing
Micro-payment and Loyalty Programs
Smart City and Parking Services 
 
Technical Specifications
Manufacturer: NXP Semiconductors
Model: MF3D(H)x3 (2K)
Frequency: 13.56 MHz
Protocol: ISO/IEC 14443 Type A (and supports ISO/IEC 7816-4)
UID: 7 Bytes (unique)
 
Resources:
1. MIFARE DESFire EV3 Datasheet
2.