diff options
| -rw-r--r-- | src/cryptography/hazmat/primitives/ciphers/modes.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/cryptography/hazmat/primitives/ciphers/modes.py b/src/cryptography/hazmat/primitives/ciphers/modes.py index ad0bcbcd..802e544a 100644 --- a/src/cryptography/hazmat/primitives/ciphers/modes.py +++ b/src/cryptography/hazmat/primitives/ciphers/modes.py @@ -173,7 +173,7 @@ class GCM(object): raise TypeError("initialization_vector must be bytes") if tag is not None and not isinstance(tag, bytes): - raise TypeError("tag must be bytes when provided") + raise TypeError("tag must be bytes or None") self._initialization_vector = initialization_vector self._tag = tag |