AN1442: SiWx917 SoC Secure Boot with Anti-Rollback Protection#

This application note describes the design of Secure boot with anti-rollback protection on SiWx917 devices. It also provides examples of how to implement the Secure Boot process and protect against firmware rollback.

For more information on provisioning the SiWx917 for secure boot, see the following: UG574: SiWx917 SoC Manufacturing Utility User Guide.

Key Features#

• Describes the secure boot process for SiWx917 devices

• Describes the anti-rollback mechanism

• Describes the layout of RPS files

• Provides examples of configuring SiWx917 devices for secure boot

Contents#

• SiWx917 Security Features

• Secure Boot Process

• RPS Format

• Secure Boot and Debug Lock

• Examples