Super secure door lock system for critical zones

In spite of the availability of digital password lockers and advanced door locks, hacking the lock code by an unauthorized person has become a plain-sailing task. Various electronic locks are currently available in the market based on Password, RFID, Biometrics, OTP, Cryptography, Wireless and IoT. Every system has its own advantages and disadvantages where one system overcomes the limitations of other. The existing systems provide only single factor authentication that leads to less secure system. Thus, a secure door locking system with two-factor authentication and multiple encryptions using RFID, which can activate, authenticate, and validate the user and unlock the door in real time for secure access has been proposed. The main objective is to design and implement a digital security system which can deploy in critical zone where only authorized person can be entered.