import logging


async def filter(completeMessage, recipientNode, todo):
    """
    Cryptographic operations protocol
    """
    todo.append(
        {
            "action": "keyDeriveDH",
            "data": {
                "publicKey": completeMessage["data"]["publicKey"],
                "params": completeMessage["data"]["params"],
                "recipientNode": recipientNode,
            },
        }
    )
    # logging.log(10, "Adding cryptography request")