OP-TEE from Zero: Part 1
A beginner-friendly map of OP-TEE, ARM TrustZone, Trusted Applications, libteec, tee-supplicant, xtest, and the ARM secure boot flow.
Security.
3 blogs to explore.
Scaling IoT fleets: Secure Reverse SSH into Yocto for Automated Field Deployment
Integrate ShellHub with Yocto to enable secure reverse SSH access, zero-touch provisioning, and fleet-scale onboarding for field devices behind NATs and firewalls.
Security starts before the application
Boot integrity, runtime isolation, and credential handling solve different problems. Draw the boundaries before choosing the mechanism.
Starter note