~/talk

Attesting NVIDIA GPUs in a confidential computing environment

Talkat OC3 2023 · on Wednesday, 2023-03-15· [security]
links:none on file
slides:none on file

Hopper GPUs include a hardware GPU Security Enclave that measures firmware, driver microcode, PCIe firewalls and MIG isolation, signs evidence with an x509 endorsement chain, and returns SPDM measurements verified against signed Reference Integrity Manifests (RIMs). NVIDIA supplies an attestation SDK, local open‑source verifier, OCSP revocation service and plans a remote verifier plus an attestation brokerage SDK to combine multi‑GPU attestations; sessions use AES‑GCM and RIM‑based appraisal so keys and data release only after verified appraisal.

AI-written summary · about

  1. 0:00Introduction
  2. 0:27Agenda
  3. 1:03Why is attestation important
  4. 3:25Technical terms
  5. 4:14GPU Security Enclave
  6. 6:59Reference Manifests
  7. 8:16Appraisal Policy
  8. 9:35Relying Party
  9. 10:44attestation sequence
  10. 13:55attestation time domain
  11. 15:28measurement groups
  12. 20:32attestation services
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