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Ultimate KeeLoq® Technology
Secure Connections for Remote-Controlled Applications
As the number of connected devices grows and regulations increase, secure and reliable access control is more important than ever. Safeguarding the integrity of remote-controlled applications can be a challenge. Traditional encryption methods often fall short, which leaves your systems vulnerable to sophisticated attacks.
Our wireless products help you overcome these challenges. They offer robust, dynamic encryption that evolves with each use, for your automotive, access control and security applications. When you choose solutions that include our patented KeeLoq® technology, you can trust that your products are designed for secure connections.
Products Supporting KeeLoq Technology
PIC32CX-BZ2 and WBZ45 Family
Multi-Protocol Microcontrollers (MCUs)
- Arm® Cortex®-M4F processor
- Bluetooth® Low Energy (LE) 5.2, Zigbee® 3.0 and Thread 1.3.0
- Robust analog peripherals
ATA8510
Sub-GHz Transceiver MCU SoC
- 8-bit AVR® MCU
- Programmable frequencies from 310 to 956 MHz
- Amplitude Shift Keying (ASK) and Frequency Shift Keying (FSK) modulation schemes
Markets and Applications
Security
- Wireless alarm systems
- Smart locks
- Personal security devices
Demo and Evaluation Boards
The WBZ451HPE Curiosity board is an all-in-one development platform that you can use to evaluate WBZ451H high-power modules.
The PIC32CX-BZ2 and WBZ451 Curiosity board is an all-in-one development platform that you can use to evaluate PIC32CX-BZ2 SoCs and WBZ451 modules.
The ATA8510-EK1 is for evaluation of the ATA8510 / ATA8515 RF transceiver devices and demonstrates a 2-way communication at 433.92 MHz
Application Examples
Garage Door Opener Using KeeLoq Application Note
This application note covers a garage door opener application that communicates with a Bluetooth® LE or a sub-GHz base station. It shows how to implement KeeLoq crypto key generation.
Sub-GHz Key Fob Using KeeLoq Application Note
This application note describes a KeeLoq technology-based key-fob application that uses the ATA8510 device to enable communication with a classic sub-GHz base station.
KeeLoq Technology FAQs
What Is KeeLoq Technology?
KeeLoq code-hopping technology enables you to develop highly secure authentication applications for automotive, residential, personal and commercial markets.
The Ultimate KeeLoq protocol provides enhancements to the Classic KeeLoq protocol structure, including:
- Industry-standard AES-128 block cipher
- Programmable 32-bit serial number
- Programmable 128-bit encryption key
- KeeLoq Secure Learn Mode (128-bit seed)
This technology incorporates a timer-driven message counter that continuously increments, independent of events, to provide a better, more secure solution. The time-keeping functionality provides additional protection against capture and replay attack techniques.
