Raise error when invalid cert is passed

XML-Security · Apr 24, 2024 · b42c093 · b42c093
1 parent 9fd22ff
commit b42c093
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/signxml/signer.py b/signxml/signer.py
@@ -198,6 +198,8 @@ def sign(
 
         if isinstance(cert, (str, bytes)):
             cert_chain = list(iterate_pem(cert))
+            if len(cert_chain) == 0:
+                raise InvalidInput("No PEM-encoded certificates found in string cert input data")
         else:
             cert_chain = cert  # type: ignore