Intel TDX attestation for dataset generation bundles#22
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Capture TDX via configfs-tsm when attesting GPU CC, bind report_data to the dataset nonce, verify offline in sparkproof-verify production mode, and DCAP-verify quotes online alongside NRAS signatures. Legacy bundles without a tdx field are grandfathered until republished.
This was referenced Jul 15, 2026
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Docs: CHANGELOG for Intel TDX dataset attestation (#22)
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Summary
Dataset-track bundles now capture and verify Intel TDX measured-VM quotes alongside NVIDIA GPU CC attestation.
Miner side (
sparkproof-prove):gpu_attestation.tdx(quote_b64,report_data,mrtd)"tdx": null)Validator side (
sparkproof-verify):tdxwithreport_datamatching dataset nonce--online: Intel DCAP verification viadcap-qvl(added to dev/gpu extras)tdxkey (pre-ship registry entries) still pass offlineTDX provisioning (once per boot)
sudo chmod 0777 /sys/kernel/config/tsm/report mkdir /sys/kernel/config/tsm/report/sparkproof sudo chmod 0666 /sys/kernel/config/tsm/report/sparkproof/inblob export SPARKPROOF_TSM_REPORT_PATH=/sys/kernel/config/tsm/report/sparkproofTest plan
pytest tests/test_tdx.py tests/test_verify.py -k tdx