MIFARE DESFire Data Encryption Standard ISO 14443A Contactless - Philips MIFARE 4K Module
The MIFARE DESFire is a special release of Philips SmartMX platform. It is sold already programmed with a general purpose software (the DESFire operating system) that offers more or less the same functions as MIFARE Standard (4kB data storage split into 16 areas) but with higher flexibility, stronger triple-DES security, and faster T=CL communication.