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-rw-r--r--cryptography/hazmat/primitives/interfaces.py6
1 files changed, 6 insertions, 0 deletions
diff --git a/cryptography/hazmat/primitives/interfaces.py b/cryptography/hazmat/primitives/interfaces.py
index 3824bcde..eab48b4d 100644
--- a/cryptography/hazmat/primitives/interfaces.py
+++ b/cryptography/hazmat/primitives/interfaces.py
@@ -367,6 +367,12 @@ class DSAPrivateKey(six.with_metaclass(abc.ABCMeta)):
class DSAPublicKey(six.with_metaclass(abc.ABCMeta)):
@abc.abstractproperty
+ def key_size(self):
+ """
+ The bit length of the prime modulus.
+ """
+
+ @abc.abstractproperty
def y(self):
"""
The public key.