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authorMarcin Wielgoszewski <marcin.wielgoszewski@gmail.com>2013-10-06 17:17:54 -0400
committerMarcin Wielgoszewski <marcin.wielgoszewski@gmail.com>2013-10-06 17:17:54 -0400
commit1e2d1f25cb36db7383e6a2300e2e96d47113cc16 (patch)
treeb588eb2af04910252abddaf12f00079d32d7e633
parentdce12097427c721063af41ae93a24a4a10883729 (diff)
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Make key_sizes a frozenset, since these are/should be immutable
-rw-r--r--cryptography/primitives/block/ciphers.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/cryptography/primitives/block/ciphers.py b/cryptography/primitives/block/ciphers.py
index cf54aa35..01dbd027 100644
--- a/cryptography/primitives/block/ciphers.py
+++ b/cryptography/primitives/block/ciphers.py
@@ -17,7 +17,7 @@ from __future__ import absolute_import, division, print_function
class AES(object):
name = "AES"
block_size = 128
- key_sizes = set([128, 192, 256])
+ key_sizes = frozenset([128, 192, 256])
def __init__(self, key):
super(AES, self).__init__()