examples/continuous_loop_demo.py
| 1 | """ContinuousAttester demo. |
| 2 | |
| 3 | Runs the attestation loop for a few seconds and prints a one-line summary |
| 4 | per produced report. Production deployments would hook this into a systemd |
| 5 | timer or a sidecar daemon and stream reports to a remote verifier. |
| 6 | """ |
| 7 | |
| 8 | from __future__ import annotations |
| 9 | |
| 10 | from quantumshield.identity.agent import AgentIdentity |
| 11 | |
| 12 | from pqc_hypervisor_attestation import ( |
| 13 | AttestationReport, |
| 14 | Attester, |
| 15 | ContinuousAttester, |
| 16 | InMemoryBackend, |
| 17 | MemoryRegion, |
| 18 | RegionSnapshot, |
| 19 | ) |
| 20 | |
| 21 | WORKLOAD_ID = "model-serving-1" |
| 22 | |
| 23 | |
| 24 | def main() -> None: |
| 25 | identity = AgentIdentity.create( |
| 26 | name="continuous-attester", |
| 27 | capabilities=["attest"], |
| 28 | ) |
| 29 | attester = Attester(identity) |
| 30 | |
| 31 | backend = InMemoryBackend() |
| 32 | weights = MemoryRegion( |
| 33 | region_id="model-weights-0", |
| 34 | description="Llama weight shard 0", |
| 35 | address=0x1000, |
| 36 | size=64, |
| 37 | protection="RO", |
| 38 | ) |
| 39 | content = b"\xaa" * 64 |
| 40 | backend.register(WORKLOAD_ID, weights, content) |
| 41 | |
| 42 | loop = ContinuousAttester( |
| 43 | attester=attester, |
| 44 | backend=backend, |
| 45 | workload_id=WORKLOAD_ID, |
| 46 | expected_hashes={weights.region_id: RegionSnapshot.hash_bytes(content)}, |
| 47 | ) |
| 48 | |
| 49 | def on_report(report: AttestationReport) -> None: |
| 50 | claim = report.claims[0] |
| 51 | print( |
| 52 | f"issued={report.issued_at} " |
| 53 | f"region={claim.region.region_id} " |
| 54 | f"hash={claim.snapshot.content_hash[:12]}... " |
| 55 | f"claims={len(report.claims)}" |
| 56 | ) |
| 57 | |
| 58 | reports = loop.run_for(seconds=3, interval=1.0, on_report=on_report) |
| 59 | print(f"\ntotal reports produced: {len(reports)}") |
| 60 | |
| 61 | |
| 62 | if __name__ == "__main__": |
| 63 | main() |
| 64 | |