PSA Secure Storage API

The Secure Storage API supports data protection services on the device, providing integrity and confidentiality protection.

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
1.0.4	HTML	↓ PDF	September 2025
1.0.3		↓ PDF	January 2024
1.0.2		↓ PDF	March 2023
1.0.1		↓ PDF	October 2022
1.0.0		↓ PDF	June 2019