IEEE/ICACT20220401 Slide.13        [Big Slide]       Oral Presentation
In TPM, secure cryptographic services (encryption, decryption, hash, etc.) are implemented in HW. A lightweight remote verification protocol supports large-scale IoT environments. The remote verification is based on global standards (TCG v1.2). In OP-TEE(SW), secure cryptographic services are implemented in SW. It is based on global standards (GlobalPlatform TEE API). An execution environment guarantees authentication and integrity and increases security stability by isolating user executable code and data access.

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