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build_poc.py

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+#!/usr/bin/env python3
+from __future__ import annotations
+
+import hashlib
+import json
+from pathlib import Path
+
+import msgspec
+
+
+ROOT = Path(__file__).resolve().parent
+ARTIFACTS = ROOT / "artifacts"
+CONTROL = ARTIFACTS / "control.msgpack"
+MALICIOUS = ARTIFACTS / "decoder_trigger.msgpack"
+
+
+def sha256(path: Path) -> str:
+    return hashlib.sha256(path.read_bytes()).hexdigest()
+
+
+def main() -> None:
+    manifest = {
+        "format": "MessagePack (.msgpack)",
+        "loader": "msgspec.msgpack.Decoder(type=ModelState).decode",
+        "msgspec_version": msgspec.__version__,
+        "control": {
+            "path": str(CONTROL),
+            "size": CONTROL.stat().st_size,
+            "sha256": sha256(CONTROL),
+        },
+        "malicious": {
+            "path": str(MALICIOUS),
+            "size": MALICIOUS.stat().st_size,
+            "sha256": sha256(MALICIOUS),
+        },
+        "trigger_vector": [4, 2, 7],
+    }
+    (ARTIFACTS / "manifest.json").write_text(json.dumps(manifest, indent=2) + "\n", encoding="utf-8")
+    print(json.dumps(manifest, indent=2))
+
+
+if __name__ == "__main__":
+    main()