PSA API Specifications

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PSA API documents published by Arm

View the Project on GitHub GlobalPlatform/psa-api

PSA Attestation API

The Attestation API provides a way to obtain a health-check token from a device, attesting to its components and serial numbers.

See the PSA API page for other PSA APIs.

Specification source files, updates, and discussions, as well as reference headers and example code, can be found in the associated PSA API GitHub project.

Test suites to verify a correct implementation can be found in the PSA API Test suites.

Specifications

Version     Publication
2.0.0 HTML ↓ PDF May 2026
1.0.4 HTML ↓ PDF September 2025
1.0.3   ↓ PDF October 2022
1.0.2   ↓ PDF February 2020
1.0.1   ↓ PDF August 2019
1.0.0   ↓ PDF June 2019

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