Explains the building blocks involved in Security including TrustZone, OP-TEE, Trusted Firmware etc. Goes into detail on how Secure Boot Works.. and Why. Explains how a simple secure Trusted Application interacts with OP-TEE and works. Brief overview on how to port OP-TEE to an ARM platform. Opens discussions for Potential Challenges and Hardware limitations and how they can be overcome.

HKG15-311: OP-TEE for Beginners and Porting Review from Linaro