| STM32Trust, includes available ST SW
| Prevention of unauthorized access, blocking of side-channel attacks
| Supports the implementation of multi-level strategies

On the 8th, STMicroelectronics launched STM32Trust to enable designers to easily implement robust cyber protection for new IoT devices by leveraging industry best practices.

STM32Trust includes a wide range of expertise, design tools, and ready-to-use ST software.

Through this, designers can leverage the built-in features of the STM32 MCU to ensure trust between devices, prevent unauthorized access, and block side-channel attacks. All of these features prevent data theft and code tampering.

Because STM32Trust integrates all cyber protection resources available for the STM32 family, it supports designers in implementing multi-level strategies by leveraging security-focused chip features and software packages.

The STM32 family is an SoC portfolio based on the Arm Cortex CPU architecture and consists of approximately 1,000 products used in smart home appliances, remote sensors, wearables, e-health devices, IoT gateways, access control storage, payment, and various other connected devices.

Depending on the model, hardware cyber protection features may include custom secure boot, a random number generator that prevents hackers from identifying signal patterns, a dedicated cryptographic coprocessor, and secure storage for encryption keys.

ST has also implemented Arm TrustZone technology, which provides additional protection for the most sensitive code, along with tamper detection and firewall code isolation mechanisms.

STM32Trust provides all the elements necessary for product developers to effectively protect connected things using these features, including reference materials and free software.

Among the reference software packages, X-CUBE-SBSFU presents a method to protect application code even in the most vulnerable situations, such as when it is transferred to boot memory or updated in the field.

The X-CUBE-SBSFU reference package is available for STM32F4, F7, H7, L0, L1, L4, G0, G4, and WB. It also supports a reference implementation of STSAFE, ST’s security chip that maximizes the security level of end applications.

The Secure Firmware Installation solution for STM32L4 and STM32H7 MCUs provides protection even during the initial programming of the device.

This solution provides a complete toolset including the STM32CUBE Programmer for securely flashing STM32s, the STM32HSM for transmitting OEM credential certificates to programmer partners, and the Trusted Package Creator (TPC) software for encrypting OEM binaries.

STM32Trust resources, including tools, evaluated references, and source code, can be downloaded for free from the homepage.

Ricardo de Sa Earp, Head of the MCU Business Unit at ST, stated, “For connected devices such as smart sensors and remote actuators, which are essential to modern infrastructure and services, ensuring effective security is paramount,” adding, “STM32Trust makes it easier for developers to understand and apply new mandatory security regulations.”