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Secure boot process can guarantee that the embedded devices boot up with a trusted software provided by a legitimate vendor. In order to realize the secure boot of computing system devices, some advanced techniques such as Trusted Platform Module (TPM), Arm TrustZone, Microsoft¡¯s fTPM, Intel¡¯s SGX have been designed and implemented to protect the operating system kernel and application software running on these computing system devices. The above techniques are not completely suitable for embedded devices. |