diff --git a/nsync/openssl.h b/nsync/openssl.h
new file mode 100644
index 0000000..a8707a9
--- /dev/null
+++ b/nsync/openssl.h
@@ -0,0 +1,21 @@
+#ifndef NSYNC_OPENSSL_H
+#define NSYNC_OPENSSL_H
+
+// suppress deprecation warnings in OSX >= 10.7
+
+#if defined(__APPLE__)
+
+#ifdef __clang__
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+#endif // __clang__
+
+#ifdef __GNUC__
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#endif // __GNUC__
+
+#endif
+
+
+#include <openssl/evp.h>
+
+#endif // NSYNC_OPENSSL_H