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- W3199104148 abstract "A trusted execution environment (TEE) is a new hardware security feature that is isolated from a normal OS (i.e., rich execution environment (REE)). The TEE enables us to run a critical process, but the behavior is invisible for security, which makes it difficult to debug and tune the performance. In addition, the hardware/software architectures of TEE are different for CPUs. For example, Intel SGX allows user-mode only, although ARM TrustZone and RISC-V Keystone run a trusted OS. In addition, each TEE has each SDK for programming and cannot write a common program. These features make it difficult to compare the performance fairly between TEE and REE on different CPUs. To obtain precise performance and behavior in TEE, we propose TS-perf which is a compiler-based performance measurement method. TS-perf accesses the hardware timestamp counter in TEE as well as REE and keeps a precise log. The codes for measurement are inserted in a TEE binary by the compiler options (i.e., profile option, constructor, and destructor). Furthermore, we utilize the separate compilation technique, and the same benchmark binary is used for a fair comparison between TEE and REE. TS-perf is implemented for three TEE architectures (ARM TrustZone, Intel SGX, and RISC-V Keystone) and measures the performance of GlobalPlatform’s TEE internal APIs, matrix multiplication, memory access, and storage access. The comparisons showthe difference in performance between TEE and REE and the unusual behavior of trusted applications (TAs)." @default.
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- W3199104148 date "2021-01-01" @default.
- W3199104148 modified "2023-10-13" @default.
- W3199104148 title "TS-Perf: General Performance Measurement of Trusted Execution Environment and Rich Execution Environment on Intel SGX, Arm TrustZone, and RISC-V Keystone" @default.
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- W3199104148 doi "https://doi.org/10.1109/access.2021.3112202" @default.
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