code: def retrieve_data_key_plaintext(
      ip, port, encrypted_primary_key_path, encrypted_data_key_path
  ):
      encrypted_primary_key = read_encrypted_key_file(
          encrypted_primary_key_path
      )
      encrypted_data_key = read_encrypted_key_file(
          encrypted_data_key_path
      )
      data_key_plaintext = request_data_key_plaintext(
          ip, port, encrypted_primary_key, encrypted_data_key
      )
      return data_key_plaintext
  
imports: from caller import request_primary_key_cipher_text, request_data_key_cipher_text, request_data_key_plaintext
label_desc: Use image node_id 3 for calling a global function with example usage: retrieve_data_key_plaintext(ip, port, encrypted_primary_key_path, encrypted_data_key_path) and returns: data_key_plaintext