Better document the return type of serialization load functions

1 files changed, 31 insertions, 5 deletions

diff --git a/docs/hazmat/primitives/asymmetric/serialization.rst b/docs/hazmat/primitives/asymmetric/serialization.rst
index f14f4037..89028c8e 100644
--- a/docs/hazmat/primitives/asymmetric/serialization.rst
+++ b/docs/hazmat/primitives/asymmetric/serialization.rst
@@ -118,7 +118,12 @@ all begin with ``-----BEGIN {format}-----`` and end with ``-----END
         :class:`~cryptography.hazmat.backends.interfaces.PEMSerializationBackend`
         provider.
 
-    :returns: A new instance of a private key.
+    :returns: One of
+        :class:`~cryptography.hazmat.primitives.asymmetric.rsa.RSAPrivateKey`,
+        :class:`~cryptography.hazmat.primitives.asymmetric.dsa.DSAPrivateKey`,
+        or
+        :class:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePrivateKey`
+        depending on the contents of ``data``.
 
     :raises ValueError: If the PEM data could not be decrypted or if its
         structure could not be decoded successfully.
@@ -151,7 +156,13 @@ all begin with ``-----BEGIN {format}-----`` and end with ``-----END
         :class:`~cryptography.hazmat.backends.interfaces.PEMSerializationBackend`
         provider.
 
-    :returns: A new instance of a public key.
+
+    :returns: One of
+        :class:`~cryptography.hazmat.primitives.asymmetric.rsa.RSAPublicKey`,
+        :class:`~cryptography.hazmat.primitives.asymmetric.dsa.DSAPublicKey`,
+        or
+        :class:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePublicKey`
+        depending on the contents of ``data``.
 
     :raises ValueError: If the PEM data's structure could not be decoded
         successfully.
@@ -183,7 +194,12 @@ the rest.
         :class:`~cryptography.hazmat.backends.interfaces.DERSerializationBackend`
         provider.
 
-    :returns: A new instance of a private key.
+    :returns: One of
+        :class:`~cryptography.hazmat.primitives.asymmetric.rsa.RSAPrivateKey`,
+        :class:`~cryptography.hazmat.primitives.asymmetric.dsa.DSAPrivateKey`,
+        or
+        :class:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePrivateKey`
+        depending on the contents of ``data``.
 
     :raises ValueError: If the DER data could not be decrypted or if its
         structure could not be decoded successfully.
@@ -218,7 +234,12 @@ the rest.
         :class:`~cryptography.hazmat.backends.interfaces.DERSerializationBackend`
         provider.
 
-    :returns: A new instance of a public key.
+    :returns: One of
+        :class:`~cryptography.hazmat.primitives.asymmetric.rsa.RSAPublicKey`,
+        :class:`~cryptography.hazmat.primitives.asymmetric.dsa.DSAPublicKey`,
+        or
+        :class:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePublicKey`
+        depending on the contents of ``data``.
 
     :raises ValueError: If the DER data's structure could not be decoded
         successfully.
@@ -275,7 +296,12 @@ DSA keys look almost identical but begin with ``ssh-dss`` rather than
         :class:`~cryptography.hazmat.backends.interfaces.EllipticCurveBackend`
         depending on the key's type.
 
-    :returns: A new instance of a public key type.
+    :returns: One of
+        :class:`~cryptography.hazmat.primitives.asymmetric.rsa.RSAPublicKey`,
+        :class:`~cryptography.hazmat.primitives.asymmetric.dsa.DSAPublicKey`,
+        or
+        :class:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePublicKey`
+        depending on the contents of ``data``.
 
     :raises ValueError: If the OpenSSH data could not be properly decoded or
         if the key is not in the proper format.