Farpointe Data, a DORMA Group Company, a has migrated to MIFARE DESFire EV1, the next generation of smart card technology by NXP Semiconductors, in its line of Delta smart cards. MIFARE DESFire EV1 uses the same 128 AES encryption as the U.S. federal government. MIFARE DESFire EV1 is based on open global standards for both air interface and cryptographic methods. It is compliant to all four levels of ISO/IEC 14443A and uses optional ISO/IEC 7816-4 commands. Featuring an on-chip backup management system and mutual three pass authentication, a MIFARE DESFire EV1 card can hold up to 28 different applications and 32 files per application.