What is a TEE Environment?

TEE (Trusted Execution Environment) is a specialized security technology designed to create an isolated and trusted execution space within a computing device. Acting as an independent and isolated memory environment, TEE stores sensitive code and data. Any modifications or operations performed within the TEE require certificate authorization. This protection prevents hackers from tampering with or stealing information in memory during encryption computations and data processing.

Currently, clients or apps typically implement TEE using ARM's TrustZone technology, while servers use Intel's SGX technology. Combining these two technologies enables end-to-end memory computation protection between user devices and the Cregis cloud.