Files
zeekay 6284494c82 Make attestation local-only with nvtrust
Blockchain nodes cannot depend on external clouds for attestation.
This removes all NRAS (NVIDIA Remote Attestation Service) dependencies
and makes local nvtrust verification the PRIMARY attestation method.

- Add nvtrust.go for local GPU attestation via SPDM/RIM
- Remove NRASToken from GPUAttestation struct
- ModeLocal is now PRIMARY, ModeSoftware for non-CC GPUs
- Update trust scores: local can reach 100 (was capped at 95)
- CC-capable: H100, H200, B100, B200, GB200, RTX PRO 6000
- Non-CC: DGX Spark (GB10), RTX 5090, RTX 4090 use software mode
2025-12-10 20:18:56 -08:00
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