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authorPaul Kehrer <paul.l.kehrer@gmail.com>2014-03-07 09:35:04 -0400
committerPaul Kehrer <paul.l.kehrer@gmail.com>2014-03-07 09:35:04 -0400
commit3bb4c0dc28858f9572ed770cc89d397997262a50 (patch)
tree09428784e3477c21b23bc79d6c010489d87a3007
parent1fbdf809f9b510225852a64ac29d9df4e6417527 (diff)
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change comparison to be easier to read
-rw-r--r--cryptography/hazmat/backends/openssl/backend.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/cryptography/hazmat/backends/openssl/backend.py b/cryptography/hazmat/backends/openssl/backend.py
index 755e476b..cc64c62b 100644
--- a/cryptography/hazmat/backends/openssl/backend.py
+++ b/cryptography/hazmat/backends/openssl/backend.py
@@ -444,7 +444,7 @@ class _CipherContext(object):
# should be taken only when length is zero and mode is not GCM because
# AES GCM can return improper tag values if you don't call update
# with empty plaintext when authenticating AAD for ...reasons.
- if not len(data) and not isinstance(self._mode, GCM):
+ if len(data) == 0 and not isinstance(self._mode, GCM):
return b""
buf = self._backend._ffi.new("unsigned char[]",