Merge pull request #509 from reaperhulk/rsa-interface-only

RSA private/public key interface

1 files changed, 88 insertions, 0 deletions

diff --git a/cryptography/hazmat/primitives/interfaces.py b/cryptography/hazmat/primitives/interfaces.py
index 7a6bf3e2..293fcd78 100644
--- a/cryptography/hazmat/primitives/interfaces.py
+++ b/cryptography/hazmat/primitives/interfaces.py
@@ -169,3 +169,91 @@ class HashContext(six.with_metaclass(abc.ABCMeta)):
         """
         Return a HashContext that is a copy of the current context.
         """
+
+
+class RSAPrivateKey(six.with_metaclass(abc.ABCMeta)):
+    @abc.abstractproperty
+    def modulus(self):
+        """
+        The public modulus of the RSA key.
+        """
+
+    @abc.abstractproperty
+    def public_exponent(self):
+        """
+        The public exponent of the RSA key.
+        """
+
+    @abc.abstractproperty
+    def key_length(self):
+        """
+        The bit length of the public modulus.
+        """
+
+    @abc.abstractmethod
+    def public_key(self):
+        """
+        The RSAPublicKey associated with this private key.
+        """
+
+    @abc.abstractproperty
+    def n(self):
+        """
+        The public modulus of the RSA key. Alias for modulus.
+        """
+
+    @abc.abstractproperty
+    def p(self):
+        """
+        One of the two primes used to generate d.
+        """
+
+    @abc.abstractproperty
+    def q(self):
+        """
+        One of the two primes used to generate d.
+        """
+
+    @abc.abstractproperty
+    def d(self):
+        """
+        The private exponent. This can be calculated using p and q.
+        """
+
+    @abc.abstractproperty
+    def e(self):
+        """
+        The public exponent of the RSA key. Alias for public_exponent.
+        """
+
+
+class RSAPublicKey(six.with_metaclass(abc.ABCMeta)):
+    @abc.abstractproperty
+    def modulus(self):
+        """
+        The public modulus of the RSA key.
+        """
+
+    @abc.abstractproperty
+    def public_exponent(self):
+        """
+        The public exponent of the RSA key.
+        """
+
+    @abc.abstractproperty
+    def key_length(self):
+        """
+        The bit length of the public modulus.
+        """
+
+    @abc.abstractproperty
+    def n(self):
+        """
+        The public modulus of the RSA key. Alias for modulus.
+        """
+
+    @abc.abstractproperty
+    def e(self):
+        """
+        The public exponent of the RSA key. Alias for public_exponent.
+        """