US Patent 11888972 Split security for trusted execution environments
Patent 11888972 was granted and assigned to Red Hat on January, 2024 by the United States Patent and Trademark Office.
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US Patent 11888972 Split security for trusted execution environments
A system includes a memory, an application TEE instance, an escrow TEE instance, and a server. The server is configured to receive a request to start the application TEE instance and launch the escrow TEE instance provisioned with a secret. The secret is initially accessible from a first location until the escrow TEE instance is provisioned and accessibility to the secret in the first location is restricted after provisioning the escrow TEE instance with the secret. The escrow TEE instance is configured to obtain a cryptographic measurement associated with the application TEE instance, validate the application TEE instance, and provide the secret from a second location to the application TEE instance.
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