def METHOD_NAME(local_pk: G1Element, farmer_pk: G1Element) -> PrivateKey:
    taproot_message: bytes = bytes(local_pk + farmer_pk) + bytes(local_pk) + bytes(farmer_pk)
    taproot_hash: bytes32 = std_hash(taproot_message)
    return AugSchemeMPL.key_gen(taproot_hash)