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+.. hazmat::
+
+RSA
+===
+
+.. currentmodule:: cryptography.hazmat.primitives.asymmetric.rsa
+
+`RSA`_ is a `public-key`_ algorithm for encrypting and signing messages.
+
+.. class:: RSAPrivateKey(p, q, private_exponent, public_exponent, modulus)
+    
+    .. versionadded:: 0.2
+
+    An RSA private key is required for decryption and signing of messages.
+
+    Normally you do not need to directly construct private keys because you'll
+    be loading them from a file or generating them automatically.
+
+    .. warning::
+        This method only checks a limited set of properties of its arguments.
+        Using an RSA that you do not trust or with incorrect parameters may
+        lead to insecure operation, crashes, and other undefined behavior. We
+        recommend that you only ever load private keys that were generated with
+        software you trust.
+
+    This class conforms to the
+    :class:`~cryptography.hazmat.primitives.interfaces.RSAPrivateKey`
+    interface.
+
+    :raises TypeError: This is raised when the arguments are not all integers. 
+
+    :raises ValueError: This is raised when the values of `p`, `q`,
+                        `private_exponent`, `public_exponent` or `modulus` do 
+                        not match the bounds specified in `RFC 3447`_.
+
+.. class:: RSAPublicKey(public_exponent, modulus)
+    
+    .. versionadded:: 0.2
+
+    An RSA public key is required for encryption and verification of messages.
+
+    Normally you do not need to directly construct public keys because you'll
+    be loading them from a file, generating them automatically or receiving
+    them from a 3rd party.
+
+    This class conforms to the
+    :class:`~cryptography.hazmat.primitives.interfaces.RSAPublicKey`
+    interface.
+
+    :raises TypeError: This is raised when the arguments are not all integers. 
+
+    :raises ValueError: This is raised when the values of `public_exponent` or
+                        `modulus` do not match the bounds specified in
+                        `RFC 3447`_.
+
+.. _`RSA`: https://en.wikipedia.org/wiki/RSA_(cryptosystem)
+.. _`public-key`: https://en.wikipedia.org/wiki/Public-key_cryptography
+.. _`RFC 3447`: https://tools.ietf.org/html/rfc3447