agent

agent/app/core/checksum.py

@@ -0,0 +1,17 @@
+from __future__ import annotations
+
+import hashlib
+from pathlib import Path
+
+
+def sha256_file(file_path: Path) -> str:
+    digest = hashlib.sha256()
+    with file_path.open("rb") as handle:
+        for chunk in iter(lambda: handle.read(1024 * 1024), b""):
+            digest.update(chunk)
+    return digest.hexdigest()
+
+
+def verify_sha256(file_path: Path, expected: str) -> bool:
+    return sha256_file(file_path).lower() == expected.lower()
+