add DSAWithNumbers subinterfaces

1 files changed, 27 insertions, 0 deletions

diff --git a/cryptography/hazmat/primitives/interfaces.py b/cryptography/hazmat/primitives/interfaces.py
index dd901aae..c375ce9a 100644
--- a/cryptography/hazmat/primitives/interfaces.py
+++ b/cryptography/hazmat/primitives/interfaces.py
@@ -297,6 +297,15 @@ class DSAParameters(object):
 
 
 @six.add_metaclass(abc.ABCMeta)
+class DSAParametersWithNumbers(DSAParameters):
+    @abc.abstractmethod
+    def parameter_numbers(self):
+        """
+        Returns a DSAParameterNumbers.
+        """
+
+
+@six.add_metaclass(abc.ABCMeta)
 class DSAPrivateKey(object):
     @abc.abstractproperty
     def key_size(self):
@@ -330,6 +339,15 @@ class DSAPrivateKey(object):
 
 
 @six.add_metaclass(abc.ABCMeta)
+class DSAPrivateKeyWithNumbers(DSAPrivateKey):
+    @abc.abstractmethod
+    def private_numbers(self):
+        """
+        Returns a DSAPrivateNumbers.
+        """
+
+
+@six.add_metaclass(abc.ABCMeta)
 class DSAPublicKey(object):
     @abc.abstractproperty
     def key_size(self):
@@ -351,6 +369,15 @@ class DSAPublicKey(object):
 
 
 @six.add_metaclass(abc.ABCMeta)
+class DSAPublicKeyWithNumbers(DSAPublicKey):
+    @abc.abstractmethod
+    def public_numbers(self):
+        """
+        Returns a DSAPublicNumbers.
+        """
+
+
+@six.add_metaclass(abc.ABCMeta)
 class AsymmetricSignatureContext(object):
     @abc.abstractmethod
     def update(self, data):