HID FlexSmart DESFire Card is an extra secure credit card sized credential that complies with ISO 7810 and 7813 standards. It can be used for diverse applications such as access control and biometric identification, cashless vending, public transportation, ticketing, customer loyalty and photo ID cards. HID DESFire credentials have 4 KB of dynamic memory arranged in easy-to-define application folders and data files. DESFire data can be encrypted with the highly secure Data Encryption Standard (3DES) algorithm assuring that data in the card is secure before, during and after the transaction, as well as between folders and files within the credential itself.