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Two-Way OTP Security

Two-Way OTP Security Authentication — Next-Gen Unhackable IoT Security Solution

Two-Way OTP Security Authentication Technology

Unlike conventional portable OTP methods, this technology processes Two-Way OTP security authentication by connecting IoT devices and authentication servers via mobile networks.

No user intervention or separate communication networks are required, reducing installation and operating costs.

No user intervention No separate network Real-time auth & alerts Hacking prevention
🔒
IoT Device
EPISLOCK
OTP generation & transmission
Reverse OTP re-authentication
📱
HANKEY App
Android/iOS
Auth complete & notification
Control command
☁️
Auth Server
Cloud

Conventional vs HANZOOM

Conventional OTP
  • User manually enters OTP number
  • Separate OTP device required
  • Risk of Bluetooth signal interception
  • Password exposure risk
  • Separate network infrastructure needed
  • Risk of key loss or duplication
VS
HANZOOM Two-Way OTP
  • Automatic two-way auth without user intervention
  • All control via one smartphone
  • OTP+PKI integrated security blocks hacking
  • No password exposure risk
  • Leverages mobile communication network
  • Digital key — impossible to lose or duplicate

Supported Communication Technologies

📶BLE

Bluetooth 4.0/4.1+ Short-range wireless

📡Wi-Fi

Wireless LAN Internet connectivity

📲NFC

Near-field communication Card tag method

🔊2.4GHz

Wireless communication Wide coverage

🔌RS-485

Wired serial communication Industrial standard

Common Hardware Specifications

MCU-based security authentication module applied to all products

CPUARM®-based 32-bit MCU
Flash Memory128KB
RAM64KB SDRAM
Security ModuleTwo-Way OTP security authentication module (firmware, time-sync method)
RF InterfaceBLE (Bluetooth 4.0/4.1+)
Security ProtocolOTP, PKI
AudioBuzzer (Open/Close Alarm)

Brand System

EPISLOCK
IoT Device Brand

IoT device brand for remotely controlling devices via OTP authentication. Applied to door locks, mailboxes, lockers, fireproof doors, and more.

HANKEY
One-Touch Security App

Security application for one-touch control of all IoT devices. Supports Android / iOS.