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| author | Paul Kehrer <paul.l.kehrer@gmail.com> | 2018-07-17 22:56:12 +0800 |
|---|---|---|
| committer | Alex Gaynor <alex.gaynor@gmail.com> | 2018-07-17 10:56:12 -0400 |
| commit | 12a1cacb6ae6de51a003dcc884e769854a1345a8 (patch) | |
| tree | 3efc3e8ca27249f8de685319687bd79bb515c8e5 /src | |
| parent | 7ca0e46d82606b8a12ff323181065a00885d39dc (diff) | |
| download | cryptography-12a1cacb6ae6de51a003dcc884e769854a1345a8.tar.gz cryptography-12a1cacb6ae6de51a003dcc884e769854a1345a8.tar.bz2 cryptography-12a1cacb6ae6de51a003dcc884e769854a1345a8.zip | |
raise ValueError on zero length GCM IV (#4348)
Diffstat (limited to 'src')
| -rw-r--r-- | src/cryptography/hazmat/primitives/ciphers/modes.py | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/cryptography/hazmat/primitives/ciphers/modes.py b/src/cryptography/hazmat/primitives/ciphers/modes.py index 543015fe..e82c1a8d 100644 --- a/src/cryptography/hazmat/primitives/ciphers/modes.py +++ b/src/cryptography/hazmat/primitives/ciphers/modes.py @@ -208,6 +208,8 @@ class GCM(object): # for it if not isinstance(initialization_vector, bytes): raise TypeError("initialization_vector must be bytes") + if len(initialization_vector) == 0: + raise ValueError("initialization_vector must be at least 1 byte") self._initialization_vector = initialization_vector if tag is not None: if not isinstance(tag, bytes): |