Add support for EAT validation in pipeline #618
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parvathib
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fdamato,
helloxiling,
mhatrevi,
mlvisaya,
swenson and
vsonims
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This PR adds validation scripts for handling EAT retrieved as an SPDM Measurement block at index
0xfd. A randomly generated requester Nonce is used for EAT freshness validation.Key changes:
• Add python scripts to parse and validate EAT data from SPDM measurement blocks.
• Authenticate the EAT Attestation Key (AK) with the slot 0 certificate chain before EAT signature verification.
• Validate signature, extract and process EAT claims in JSON format for downstream use. (currently only limited to nonce verification)