2 files changed, 75 insertions, 0 deletions
diff --git a/docs/hazmat/backends/interfaces.rst b/docs/hazmat/backends/interfaces.rst
index 78a35cd9..c1ce621a 100644
--- a/docs/hazmat/backends/interfaces.rst
+++ b/docs/hazmat/backends/interfaces.rst
@@ -454,3 +454,76 @@ A specific ``backend`` may provide one or more of these interfaces.
 
         :returns:
             :class:`~cryptography.hazmat.primitives.interfaces.CMACContext`
+
+
+.. class:: PKCS8SerializationBackend
+
+    .. versionadded:: 0.5
+
+    A backend with methods for working with PKCS #8 key serialization.
+
+    .. method:: load_pkcs8_pem_private_key(data, password)
+
+        :param bytes data: PEM data to deserialize.
+
+        :param bytes password: The password to use if this data is encrypted.
+            Should be None if the data is not encrypted.
+
+        :return: A new instance of the appropriate private key or public key
+            that the serialized data contains.
+
+        :raises ValueError: If the data could not be deserialized correctly.
+
+        :raises cryptography.exceptions.UnsupportedAlgorithm: If the data is
+            encrypted with an unsupported algorithm.
+
+
+.. class:: EllipticCurveBackend
+
+    .. versionadded:: 0.5
+
+    .. method:: elliptic_curve_supported(curve)
+
+        :param curve: An instance of a
+            :class:`~cryptography.hazmat.primitives.interfaces.EllipticCurve`
+            provider.
+
+        :returns: True if the elliptic curve is supported by this backend.
+
+    .. method:: elliptic_curve_signature_algorithm_supported(signature_algorithm, curve)
+
+        :param signature_algorithm: An instance of a
+            :class:`~cryptography.hazmat.primitives.interfaces.EllipticCurveSignatureAlgorithm`
+            provider.
+
+        :param curve: An instance of a
+            :class:`~cryptography.hazmat.primitives.interfaces.EllipticCurve`
+            provider.
+
+        :returns: True if the signature algorithm and curve are supported by this backend.
+
+    .. method:: generate_elliptic_curve_private_key(curve)
+
+        :param curve: An instance of a
+            :class:`~cryptography.hazmat.primitives.interfaces.EllipticCurve`
+            provider.
+
+    .. method:: elliptic_curve_private_key_from_numbers(numbers)
+
+        :param numbers: An instance of a
+            :class:`~cryptography.hazmat.primitives.interfaces.EllipticCurvePrivateNumbers`
+            provider.
+
+        :returns: An instance of a
+            :class:`~cryptography.hazmat.primitives.interfaces.EllipticCurvePrivateKey`
+            provider.
+
+    .. method:: elliptic_curve_public_key_from_numbers(numbers)
+
+        :param numbers: An instance of a
+            :class:`~cryptography.hazmat.primitives.interfaces.EllipticCurvePublicNumbers`
+            provider.
+
+        :returns: An instance of a
+            :class:`~cryptography.hazmat.primitives.interfaces.EllipticCurvePublicKey`
+            provider.
diff --git a/docs/hazmat/backends/openssl.rst b/docs/hazmat/backends/openssl.rst
index 6ad0d045..e829798a 100644
--- a/docs/hazmat/backends/openssl.rst
+++ b/docs/hazmat/backends/openssl.rst
@@ -19,7 +19,9 @@ Red Hat Enterprise Linux 5) and greater. Earlier versions may work but are
     * :class:`~cryptography.hazmat.backends.interfaces.HashBackend`
     * :class:`~cryptography.hazmat.backends.interfaces.HMACBackend`
     * :class:`~cryptography.hazmat.backends.interfaces.PBKDF2HMACBackend`
+    * :class:`~cryptography.hazmat.backends.interfaces.PKCS8SerializationBackend`
     * :class:`~cryptography.hazmat.backends.interfaces.RSABackend`
+    * :class:`~cryptography.hazmat.backends.interfaces.TraditionalOpenSSLSerializationBackend`
 
     It also exposes the following: