MIFARE DESFire Light card
Technical Specifications
EEPROM available memory: 640 bytes
Write-endurance: 200 000 cycles
Data retention: 10 years
Organisation: pre-defined file structure (compliant with MIFARE DESFire EV2)
- 3 standard data files (1 x 32 bytes and 2 x 256 bytes)
- 1 cyclic record file (4 records x 16 bytes)
- 1 value file for upper and lower limits in value operations
- optional Transaction Message Authentication Code file
Contactless Interface
Standards: ISO 14443A 1-4, NFC forum NFC Type 4
Frequency: 13.56MHz
Anticollision: bit-wise
Data rate: Up to 848 kbits/s
Operating distance: Up to 100mm
Security
Unique Serial Number: 7 bytes, cascaded
Random Number Generator: Yes
Access keys: Up to 5
Access conditions: Per file
AES security: 128-bit
Anti-tear support: Yes
Transaction counter: Yes
Transaction protection: TMAC key
Secure messaging mode: Optional, CMAC or full enciphering
Originality signature: Yes
Certification: CC EAL4 for chip (both hardware and software)
Special features
Single application
Pre-defined file structure
Purse functionality: Value file
Manufacturer: NXP