NXP J2A040 Fusing

fuse.txt

# Information in this script was obtained from public sources, and not under NDA with NXP.

# GPShell style APDU commands, but you should be able to adapt it to anything that can send raw APDU's to the card
# Our TK Key
00A4040010C238E449F725B1510EAA699550CABA16

# Reset card to factory defaults - THIS WILL WIPE OUT ALL APPLETS INSTALLED
00F00000

# Set the Card to use T=1 transmission mode
C0D6012301DA
C0D6014601DA

# Set default Information Field Size Interface
C0D6012201FE

# Make the Card identify as SLEEPMODE/NEGOTIABLE/T=1 on both cold and warm states
C0D60124010F
C0D60147010F

# Set speed to 11 for cold and warm
C0D601250111
C0D601480111

# Set the card's historical ATR bytes to display as J2A040
# Cold
c0d601360908FF4A324130343000

# Warm
c0d601590908FF4A324130343000

# Set the auth key to a the default value 404142434445464748494a4b4c4d4e4f
c0d6030510404142434445464748494a4b4c4d4e4f
c0d6032110404142434445464748494a4b4c4d4e4f
c0d6033D10404142434445464748494a4b4c4d4e4f

# Protect the Card
00100000

# Fuse it
# 00000000