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authorVladyslav Moisieienkov <vladyslav.moisieienkov@gmail.com>2018-06-20 14:21:33 +0200
committerAlex Gaynor <alex.gaynor@gmail.com>2018-06-20 05:21:33 -0700
commit2d0afd3485a6349924f921d12dc94a302999ae20 (patch)
tree43ef9d2396ba5ffdbe33cc0903fd4546b7f7fe6c /src
parentd88d721343828accacefca701a3d542365cd6d59 (diff)
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Add clearer message when key type is not bytes (#4289)
* Add clearer message in Cipher when key is not bytes * Change location of key type check to verify_key_size function * Replace formated error message with static * Add key type check tests to all ciphers constructors * Change key type error message to lowercase
Diffstat (limited to 'src')
-rw-r--r--src/cryptography/hazmat/primitives/ciphers/algorithms.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/cryptography/hazmat/primitives/ciphers/algorithms.py b/src/cryptography/hazmat/primitives/ciphers/algorithms.py
index 99a837e4..68a9e330 100644
--- a/src/cryptography/hazmat/primitives/ciphers/algorithms.py
+++ b/src/cryptography/hazmat/primitives/ciphers/algorithms.py
@@ -12,6 +12,9 @@ from cryptography.hazmat.primitives.ciphers.modes import ModeWithNonce
def _verify_key_size(algorithm, key):
+ # Verify that the key is instance of bytes
+ utils._check_bytes("key", key)
+
# Verify that the key size matches the expected key size
if len(key) * 8 not in algorithm.key_sizes:
raise ValueError("Invalid key size ({0}) for {1}.".format(