Provide description for measurement transcript usage. #126
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sameo
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src/08-attestation.adoc
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| * The measurement record is protected by the digital signature. | ||
| There is no need to use other mechanism (such as TLS) to protect the | ||
| measurement record between the host and the remote verifier. |
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| * The measurement record is protected by the digital signature. | |
| There is no need to use other mechanism (such as TLS) to protect the | |
| measurement record between the host and the remote verifier. | |
| * Measurement record integrity protection. The provided <<SPDM>> measurement transcript digital signature protects the measurement record integrity against: | |
| * Transport attacks between the host and the remote verifier, that should otherwise be protected through TLS. | |
| * Internal device attacks and vulnerabilities. The Device Security Manager (DSM) may be composed of several pieces of firmware, and every one of them can potentially forge the measurements before returning it to the requester. With a digitally signed measurement transcript, they can not be modified after the DSM RoT signs them, effectively removing all other DSM components out of the overall TCB. | |
| * <<SPDM>> `MEASUREMENTS` response opaque data field addition. With a signed transcript, device-specific opaque data is included into the `MEASUREMENTS` response. This piece of data may be required by the device verifier. |
Signed-off-by: Jiewen Yao <[email protected]>
sameo
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Dec 3, 2024
sameo
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Dec 3, 2024
| @@ -203,6 +203,34 @@ Although the device measurement and certificate are not required to be included | |||
| in the TVM report, the TVM should provide a mechanism to return the device | |||
| measurement and certificate for the verifier to perform further verification. | |||
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| To support remote verification, the device measurement data shall the | |||
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| To support remote verification, the device measurement data shall the | |
| To support remote verification, the device measurement data shall be the |
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