Article ID: 000088925 Content Type: Product Information & Documentation Last Reviewed: 12/22/2021

Does Intel Know the Intel® Software Guard Extensions (Intel® SGX) Root Seal Key (RSK) in the Processor?

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Summary

Intel removes all traces of the Root Seal Key after it is burned into the processor's fuses during manufacturing.

Description

Unable to validate how the Root Seal Key (RSK) is kept private from Intel, which manufactures the processors.

Resolution

During the processor manufacturing process, the RSKs are randomly generated and burned into e-fuses in the processor. After the key is burned into the processor, Intel removes all traces of the key from its systems.

Additional information

Refer to the Root Keys section of EPID Provisioning and Attestation Services - Intel for more information.

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