From c1a57d306c1e1544edb7712bed7c7d5c72816fd4 Mon Sep 17 00:00:00 2001
From: Victor Stinner <victor.stinner@gmail.com>
Date: Sat, 16 Nov 2013 00:27:16 +0100
Subject: [PATCH] Fix compiler warnings on Windows 64 bit: add an explicit cast
 from Py_ssize_t to int, password.len was checked for being smaller than
 INT_MAX.

---
 Modules/_hashopenssl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Modules/_hashopenssl.c b/Modules/_hashopenssl.c
index 1a11bb5b513..b4c5b511ee6 100644
--- a/Modules/_hashopenssl.c
+++ b/Modules/_hashopenssl.c
@@ -670,7 +670,7 @@ pbkdf2_hmac(PyObject *self, PyObject *args, PyObject *kwdict)
     key = PyBytes_AS_STRING(key_obj);
 
     Py_BEGIN_ALLOW_THREADS
-    retval = PKCS5_PBKDF2_HMAC_fast((char*)password.buf, password.len,
+    retval = PKCS5_PBKDF2_HMAC_fast((char*)password.buf, (int)password.len,
                                     (unsigned char *)salt.buf, salt.len,
                                     iterations, digest, dklen,
                                     (unsigned char *)key);