PM3 Commands Reference (Iceman Firmware):

Updated: January 2025

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Current command:
lf em 4x70 calc --help

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Calculates both the reader and tag challenge for a user-provided key and rnd.

usage:
    lf em 4x70 calc [-h] --key <hex> --rnd <hex>

options:
    -h, --help                     This help
    --key <hex>                    Key 96-bit as 12 hex bytes
    --rnd <hex>                    56-bit random value sent to tag for authentication

examples/notes:
    lf em 4x70 calc --key F32AA98CF5BE4ADFA6D3480B --rnd 45F54ADA252AAC   (pm3 test key)
    lf em 4x70 calc --key A090A0A02080000000000000 --rnd 3FFE1FB6CC513F   (research paper key)
    lf em 4x70 calc --key 022A028C02BE000102030405 --rnd 7D5167003571F8   (autorecovery test key)