PM3 Commands Reference (Iceman Firmware):

Main Help


Current command:
hf ntag424 changekey --help


Change a key.
Authentication key must currently be different to the one we want to change.

usage:
    hf ntag424 changekey [-h] --keyno <dec> [--oldkey <hex>] --newkey <hex> --key0 <hex> --kv <dec>

options:
options:
    -h, --help                     This help
    --keyno <dec>                  Key number to change
    --oldkey <hex>                 Old key (only needed when changing key 1-4, HEX 16 bytes)
    --newkey <hex>                 New key (HEX 16 bytes)
    --key0 <hex>                   Authentication key (must be key 0, HEX 16 bytes)
    --kv <dec>                     New key version number

examples/notes:
    hf ntag424 changekey --keyno 1 --oldkey 00000000000000000000000000000000 --newkey 11111111111111111111111111111111 --key0 00000000000000000000000000000000 --kv 1
    hf ntag424 changekey --keyno 0 --newkey 11111111111111111111111111111111 --key0 00000000000000000000000000000000 --kv 1