Initial Code

First Commit

generate.py

@@ -0,0 +1,23 @@
+from cryptography.hazmat.primitives import serialization
+import base64
+
+def base64url_encode(data: bytes) -> str:
+    return base64.urlsafe_b64encode(data).decode('utf-8').rstrip('=')
+
+# Load PEM public key
+with open("vapid_public.pem", "rb") as f:
+    pem_data = f.read()
+
+public_key = serialization.load_pem_public_key(pem_data)
+
+# Extract the raw uncompressed public key bytes (0x04 + X + Y)
+public_numbers = public_key.public_numbers()
+x_bytes = public_numbers.x.to_bytes(32, 'big')
+y_bytes = public_numbers.y.to_bytes(32, 'big')
+uncompressed_key = b'\x04' + x_bytes + y_bytes
+
+# Base64url encode the uncompressed key bytes
+public_key_b64url = base64url_encode(uncompressed_key)
+
+print("Base64url-encoded public key (use in frontend):")
+print(public_key_b64url)