expose dmp1, dmq1, iqmp getters on RSAPrivateKey
diff --git a/docs/hazmat/primitives/interfaces.rst b/docs/hazmat/primitives/interfaces.rst
index cbca5ed..df17e59 100644
--- a/docs/hazmat/primitives/interfaces.rst
+++ b/docs/hazmat/primitives/interfaces.rst
@@ -160,6 +160,27 @@
The private exponent. Alias for :attr:`private_exponent`.
+ .. attribute:: dmp1
+
+ :type: int
+
+ A `Chinese remainder theorem`_ coefficient used to speed up RSA
+ operations. Calculated as: d mod (p-1)
+
+ .. attribute:: dmq1
+
+ :type: int
+
+ A `Chinese remainder theorem`_ coefficient used to speed up RSA
+ operations. Calculated as: d mod (q-1)
+
+ .. attribute:: iqmp
+
+ :type: int
+
+ A `Chinese remainder theorem`_ coefficient used to speed up RSA
+ operations. Calculated as: q\ :sup:`-1` mod p
+
.. attribute:: n
:type: int
@@ -279,4 +300,5 @@
something like checking whether a user's password attempt matches the
stored derived key.
-.. _`RSA`: http://en.wikipedia.org/wiki/RSA_(cryptosystem)
+.. _`RSA`: https://en.wikipedia.org/wiki/RSA_(cryptosystem)
+.. _`Chinese remainder theorem`: https://en.wikipedia.org/wiki/Chinese_remainder_theorem