Advanced security for STM32WLE5 LoRa-enabled platform

November 03, 2020 //By Ally Winning
Trusted Objects’ TO-Protect LoRaWAN for enhanced security in LoRaWAN nodes has now been validated on STMicroelectronics STM32WLE5 series.
Trusted Objects’ TO-Protect LoRaWAN for enhanced security in LoRaWAN nodes has now been validated on STMicroelectronics STM32WLE5 series.

Trusted Objects and STMicroelectronics collaborated closely to port TO-Protect to the STM32WLE5 series.

The TO-Protect LoRaWAN integration offers a significant increase in the security robustness of LoRaWAN platforms that have been based on STM32WLE5 without adding complexity and reducing time to market.

TO-Protect LoRaWAN solution provides:

• Secure implementation of cryptography and security protocol (authentication, integrity, encryption & decryption applicative data)

• Secure LoRaWAN frame assembly and disassembly with secure frame counter management

• Secure storage for keys and counters

These features are achieved while staying compatible with the standard LoRaWAN software stack

The solution implements secure element functionalities with software countermeasures against advanced physical attacks on LoRaWAN nodes, including side channel attacks and fault injection.

Trusted Objects has also joined the ST Partner Program and will continue working with ST toward a full integration into the STM32Trust ecosystem.

Hakim Jaafar, STM32 Wireless Marketing Director, STMicroelectronics, said: “Building upon ST’s innovative STM32WL architecture, Trusted Objects can now provide its innovative security solution to the market on wireless MCUs, which will increase overall network robustness and user trust on LoRaWAN technology.”

Jean-Pierre Delesse, COO of Trusted Objects, adds: “We are proud to see our unique solution recognized by ST. Our expertise in embedded security and more generally in securing the Internet of Things is acknowledged and we will help the LoRaWAN developer community benefit from the latest advancements in terms of security.”

The STM32WLE5 SoC uses ST’s ultra-low-power technology and integrates a LoRa transceiver and an MCU in a single die. It fits LoRaWAN developers’ needs as it is based on an Arm Cortex‐M4 core running at 48 MHz, and a sub-GHz LoRa-enabled radio. STM32WLE5 MCUs also support multiple modulations: LoRa, (G)FSK, (G)MSK and BPSK to provide flexibility in wireless applications using other suitable protocols.

More information

www.trusted-objects.com

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