1. Introduction

1.1. About Platform Security Architecture

This document is one of a set of resources provided by Arm that can help organizations develop products that meet the security requirements of PSA Certified on Arm-based platforms. The PSA Certified scheme provides a framework and methodology that helps silicon manufacturers, system software providers and OEMs to develop more secure products. Arm resources that support PSA Certified range from threat models, standard architectures that simplify development and increase portability, and open-source partnerships that provide ready-to-use software. You can read more about PSA Certified here at www.psacertified.org and find more Arm resources here at developer.arm.com/platform-security-resources.

1.2. About the Status code API

The interface described in this document is a PSA Certified API, that provides a shared set of interface definitions used by other PSA Certified APIs.

You can find additional resources relating to the Status code API here at arm-software.github.io/psa-api/status-code, and find other PSA Certified APIs here at arm-software.github.io/psa-api.