Proxmark3

Key A and B are the 12 bytes 'HID IS GREAT'. Seriously.

proxmark3> hf mf rdsc 1 a 484944204953
--sector no:1 key type:A key:48 49 44 20 49 53

#db# READ SECTOR FINISHED
isOk:01
data   : 48 49 44 20 43 6f 72 70 2e 00 00 00 00 00 00 00
data   : 02 00 00 00 00 00 00 00 00 00 00 00 06 c4 06 f7
data   : 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
trailer: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00