Added tests
diff --git a/OpenSSL/SSL.py b/OpenSSL/SSL.py
index 325b825..e80ea3c 100644
--- a/OpenSSL/SSL.py
+++ b/OpenSSL/SSL.py
@@ -127,6 +127,8 @@
 NID_X9_62_prime239v3 = _lib.NID_X9_62_prime239v3
 NID_X9_62_prime256v1 = _lib.NID_X9_62_prime256v1
 
+OPENSSL_NO_EC = not _lib.Cryptography_HAS_EC
+
 
 class Error(Exception):
     """