add some missing docs for PKCS8SerializationBackend, update changelog

2 files changed, 24 insertions, 0 deletions

diff --git a/docs/hazmat/backends/interfaces.rst b/docs/hazmat/backends/interfaces.rst
index 78a35cd9..6f24f906 100644
--- a/docs/hazmat/backends/interfaces.rst
+++ b/docs/hazmat/backends/interfaces.rst
@@ -454,3 +454,25 @@ 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.
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: