Platform Security Architecture (PSA) (Platform Architecture Independent): 

https://developer.arm.com/architectures/security-architectures/platform-security-architecture

Daniil Egranov

References

[1] https://wiki.edgexfoundry.org/display/FA/Security+Working+Group?preview=%2F329467%2F44499246%2FVault+master+key+protection-DRAFT-v0.5.pdf

[2] https://armmbed.github.io/mbed-crypto/html/index.html

[3] https://www.arm.com/why-arm/architecture/platform-security-architecture

[4] https://pages.arm.com/rs/312-SAX-488/images/Arm_Platform_Security_Architecture_Overview_WhitePaper.pdf