PM3 Commands Reference (Iceman Firmware):

Main Help

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Current command:
hf st25ta pwd --help

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Change read or write password for NFC Data Exchange Format (NDEF) file on ST25TA

usage:
    hf st25ta pwd [-hrw] -p <hex> -n <hex>

options:
    -h, --help                     This help
    -r, --read                     change the read password (default)
    -w, --write                    change the write password
    -p, --password <hex>           current 16 byte write password
    -n, --new <hex>                new 16 byte password

examples/notes:
    hf st25ta pwd -p 82E80053D4CA5C0B656D852CC696C8A1 -r -n 00000000000000000000000000000000      -> change read password
    hf st25ta pwd -p 82E80053D4CA5C0B656D852CC696C8A1 -w -n 00000000000000000000000000000000      -> change write password