| 摘要 |
A method of backing-up Trusted Execution Environment data (TEE data) to a memory under the control of a Rich Execution Environment (REE memory) characterised by: the TEE comprising a TEE encryption key that is only accessible to the TEE; and by the steps of the TEE encrypting TEE data to be backed up using the TEE key and storing the encrypted data in the REE memory. |
