AT HOP - metrodroid/metrodroid GitHub Wiki

AT HOP is the smart-card ticketing system in use in Auckland, New Zealand. It is operated by Auckland Transit, and was developed by Thales.

AT HOP cards are Mifare DESFire EV1 cards, with two applications, 0xffffff and 0x4055.

Application 0x4055

All files in this application are locked.

File	Type	Length
0x00	Backup	64 bytes
0x08	Standard	256 bytes
0x09	Standard	864 bytes
0x0a	Standard	2304 bytes

Application 0xffffff

Data layout is the same as Thales MFD.

Serial number is formatted as 7824 6702 nnnn nnnn nnn.