code: def validate_auth_keys(path, extension):
      """
      ## validate_auth_keys
  
      Validates, and also maintains generated ZMQ CURVE Key-pairs.
  
      Parameters:
          path (string): path of generated CURVE key-pairs
          extension (string): type of key-pair to be validated
  
      **Returns:** A boolean value, confirming whether tests passed, or not?.
      """
      # check for valid path
      if not (os.path.exists(path)):
          return False
  
      # check if directory empty
      if not (os.listdir(path)):
          return False
  
      keys_buffer = []  # stores auth-keys
  
      # loop over auth-keys
      for key_file in os.listdir(path):
          key = os.path.splitext(key_file)
          # check if valid key is generated
          if (
              key
              and (key[0] in ["server", "client"])
              and (key[1] == extension)
          ):
              keys_buffer.append(key_file)  # store it
  
      # remove invalid keys if found
      len(keys_buffer) == 1 and delete_file_safe(
          os.path.join(path, keys_buffer[0])
      )
  
      # return results
      return True if (len(keys_buffer) == 2) else False
  
imports: import os
  import re
  import sys
  import cv2
  import types
  import errno
  import stat
  import shutil
  import importlib
  import requests
  import numpy
  import logging
  import platform
  import socket
  from tqdm import tqdm
  from contextlib import closing
  from pathlib import Path
  from colorlog import ColoredFormatter
  from pkg_resources import parse_version
  from requests.adapters import HTTPAdapter, Retry
  from ..version import __version__
label_desc: Use image node_id 33 for calling a global function with example usage: validate_auth_keys(path, extension) and returns: unknown, False, False