UM2262 Rev 6 13/94
UM2262 STM32Cube overview
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The package includes different sample applications to provide a complete SBSFU solution:
• SE_CoreBin application: provides a binary including all the "trusted" code.
• Secure Boot and Secure Firmware Upgrade (SBSFU) application:
– Secure Boot (Root of Trust)
– Local download via UART Virtual COM
– FW installation management
• User application:
– Downloads a new firmware in dual-image mode of operation
– Provides examples testing protection mechanisms
– Provides examples using KMS APIs
The sample applications are delivered in dual-image and single-image modes of operation
and can be configured in different cryptographic scheme.
This user manual describes the typical use of the package:
• Based on the NUCLEO-L476RG board
• With sample applications operating in dual-image mode and configured with
asymmetric authentication and symmetric FW encryption
More information about the configuration options and the single-image mode of operation
are provided in the appendices of this document.
Note: The KMS feature is available on the STM32L4 Series with example provided on the B-
L475E-IOT01A board.
The STSAFE-A feature is available on the STM32L4 Series with example provided on the
B-L475E-IOT01A board
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