diff --git a/Zigbee_Doorlock.py b/Zigbee_Doorlock.py
new file mode 100644
index 0000000..833078e
--- /dev/null
+++ b/Zigbee_Doorlock.py
@@ -0,0 +1,77 @@
+#!/usr/bin/env python3
+ 
+import paho.mqtt.client as mqtt
+import paho.mqtt.publish as publish
+import json
+
+from env import *
+
+from tuya_iot import *
+from Crypto.Util.Padding import pad, unpad
+from Crypto.Cipher import AES
+
+pad_pkcs7 = lambda s: s + (BLOCK_SIZE - len(s) % BLOCK_SIZE) * \
+                chr(BLOCK_SIZE - len(s) % BLOCK_SIZE)
+unpad_pkcs7 = lambda s: s[:-ord(s[len(s) - 1:])]
+
+class AESCipher:
+    """
+    Usage:
+        c = AESCipher('secret_key').encrypt('message')
+        m = AESCipher('secret_key').decrypt(c)
+    """
+
+    def __init__(self, hex_key):
+        self.key = hex_key.encode('utf-8')
+
+    def __pad(self, s):
+        return s + (self.BLOCK_SIZE - len(s) % self.BLOCK_SIZE) \
+               * chr(self.BLOCK_SIZE - len(s) % self.BLOCK_SIZE)
+
+    def __unpad(self, s):
+        return s[:-ord(s[len(s) - 1:])]
+
+    def encrypt(self, raw):
+        raw = self.__pad(raw)
+        cipher = AES.new(self.key, AES.MODE_ECB)
+        return cipher.encrypt(raw).hex().upper()
+
+    def decrypt(self, enc):
+        cipher = AES.new(self.key, AES.MODE_ECB)
+        return self.__unpad(cipher.decrypt(enc)).decode('utf8')
+
+def on_connect(client, userdata, flags, rc):
+    client.subscribe(DOORLOCK_TOPIC + "/#")
+
+def on_message(client, userdata, msg):
+
+  if msg.topic == DOORLOCK_TOPIC_CMD and msg.payload.decode() == "unlock_door":
+      afd = openapi.post('/v1.0/devices/' + ZIGBEE_LOCK + '/door-lock/password-ticket')
+      x = json.dumps(afd)
+      check_token = json.loads(x)
+      PasswordTicket = check_token["result"]["ticket_key"]
+      TICKETID = check_token["result"]["ticket_id"]
+      encrypted_ticket = bytes.fromhex(PasswordTicket)
+      decrypted_ticket = AESCipher(ACCESS_KEY).decrypt(encrypted_ticket)
+      decrypted_msg = decrypted_ticket # result from Erol
+      lock_pincode = pad(LOCKPINCODE.encode('UTF-8'), BLOCK_SIZE)
+      cipher = AES.new(decrypted_msg.encode('utf8'), AES.MODE_ECB)
+      ready_password = cipher.encrypt(lock_pincode)
+      opendoor_password = ready_password.hex()
+      openapi.post('/v1.0/devices/' + ZIGBEE_LOCK + '/door-lock/open-door', {
+          'password_type': 'ticket',
+          'password': opendoor_password,
+          'ticket_id': TICKETID,
+          })
+
+openapi = TuyaOpenAPI(ENDPOINT, ACCESS_ID, ACCESS_KEY, ProjectType.SMART_HOME)
+openapi.login(USERNAME, PASSWORD, COUNTRY_CODE, SCHEMA)
+
+client = mqtt.Client(MQTT_CLIENT_ID)
+client.username_pw_set(MQTT_USERNAME, MQTT_PASSWORD)
+client.on_connect = on_connect
+client.on_message = on_message
+ 
+client.connect(MQTT_BROKER, MQTT_PORT)
+
+client.loop_forever()
\ No newline at end of file