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Explore the fundamentals of OP-TEE (Open Portable Trusted Execution Environment) and its integration with Linux systems in this 34-minute conference talk from the Linux Foundation. Learn about ARM TrustZone technology and discover how OP-TEE operates as a Trusted Execution Environment alongside non-secure Linux kernels on ARM processors. Understand the different types of trusted applications (TAs) that OP-TEE supports and examine practical use cases to determine which TA type best suits specific security requirements. Gain insights into how trusted applications and OP-TEE interact with the Linux operating system through detailed explanations and demonstrations. Follow along with a practical example application that demonstrates writing and reading operations to one-time programmable (OTP) efuses on Texas Instruments K3 platforms, providing hands-on context for implementing secure operations between the secure and non-secure worlds of embedded systems.
