STSAFE-A crypto chip using X-cube/mbedTLS library example for microprocessor(arm)

[PGhul.1]

Hi Everyone,

We are using STSAFE-A110 chip for secure boot and secure firmware update for STM32G4 MCU, same we need to do for microprocessor(ARM7), we gone through the OpenSSL example provided by ST, we need STSAFE-A crypto chip using X-cube/mbedTLS library example for microprocessor(arm)/ any other solution for secure firmware update for Microprocessor

[Bubbles]

Hi @PGhul.1​ ,

SBSFU is a microcontroller code. A microprocessor would probably use an operating system such as Linux that uses different means to achieve secure boot and security.

Try looking at STM32MP1 microprocessor and see if there is some example involving STSAFE element use.

BR,

J

[PGhul.1]

@JHOUD​ ,Thank you for your reply,

we want to do only Firmware upgrade for Arm Processor using STSAFE-A110 crypto chip , so is their any example available for Linux

[Benjamin BARATTE]

Hi @PGhul.1​,

For Linux system, only OpenSSL engine is available for STSAFE-A110.

The main advantage will be to securely provisioned ECC key pair and certificate.

There is no integration of STSAFE-A110 within MPU secure boot nor MPU secure update as this mechanism are tightly bound to the MPU boot strategy.

Best Regards,

Benjamin BARATTE