wolfSSL's products are designed to offer optimal embedded performance and rapid integration into the RA Family of 32-bit microcontrollers (MCUs). The integration allows users the ability to leverage hardware crypto solutions, and support for the most current standards. All products are designed for ease-of-use with clean APIs and are backed by a dedicated and responsive support and development team making them ideal for the most demanding security for IoT and embedded systems.


  • Support for TLS 1.2, 1.3 and DTLS 1.2 on the RA Product Line including the RA6M3
  • Small footprint of 20kB to 100kB, depending on build options and operating environment
  • Runtime memory usage between 1kB to 36kB (depending on I/O buffer sizes, public key algorithm and key size)
  • Modular design, build up to full TLS 1.3 stack or down to a single algorithm
  • Crypto certifications to FIPS 140-2 Level 1 Certified, DO 178 DAL A, and MISRA C
  • Post-quantum crypto support
  • Lightweight and fully featured MQTT client with examples for AWS and Azure
  • Secure bootloader – Built for safety critical applications
  • Support for over 20 different operating systems including Bare-Metal



  • IoT sensors, gateways and servers
  • Smart homes, energy and grids
  • Automotive – ECUs, telematics and infotainment systems
  • Industrial automation: Controllers to sensors
  • Avionics – Engine controllers


Title Type Date
PDF879 KB日本語
Product Brief