diff options
Diffstat (limited to 'src/cryptography/x509/extensions.py')
| -rw-r--r-- | src/cryptography/x509/extensions.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/cryptography/x509/extensions.py b/src/cryptography/x509/extensions.py index eb4b927f..af12fa9c 100644 --- a/src/cryptography/x509/extensions.py +++ b/src/cryptography/x509/extensions.py @@ -1160,6 +1160,9 @@ class Extension(object): class GeneralNames(object): def __init__(self, general_names): general_names = list(general_names) + if len(general_names) == 0: + raise ValueError("Must supply at least one general name") + if not all(isinstance(x, GeneralName) for x in general_names): raise TypeError( "Every item in the general_names list must be an " |