wolfSSL's products are designed to offer optimal embedded performance and rapid integration into RX 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.


  • Support for TLS 1.2, 1.3 and DTLS 1.2
  • Small footprint of 20-100kB, depending on build options and operating environment
  • Runtime memory usage between 1-36kB (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 Home, Energy, and Grid
  • Automotive – ECUs, Telematics, and Infotainment Systems
  • Industrial Automation: Controllers to Sensors
  • Avionics – Engine Controllers