Current command:
piv authsign --help
Send a nonce and ask the PIV card to sign it usage: piv authsign [-hskatw] [--aid <hex>] --nonce <hex> [--slot <dec id>] [--alg <dec>] options: -h, --help This help -s, -S, --select Activate field and select applet -k, -K, --keep Keep field for next command -a, -A, --apdu Show APDU requests and responses -t, -T, --tlv TLV decode results -w, -W, --wired Send data via contact (iso7816) interface. (def: Contactless interface) --aid <hex> Applet ID to select. By default A0000003080000100 will be used --nonce <hex> Nonce to sign. --slot <dec id> Slot number. Default will be 0x9E (card auth cert). --alg <dec> Algorithm to use to sign. Example values: 06=RSA-1024, 07=RSA-2048, 11=ECC-P256 (default), 14=ECC-P384 examples/notes: piv authsign -sk -> select card, select applet, sign a NULL nonce