Add thirdparty libs

thirdparty/cryptopp/dh.cpp

@@ -0,0 +1,21 @@
+// dh.cpp - originally written and placed in the public domain by Wei Dai
+
+#include "pch.h"
+
+#ifndef CRYPTOPP_IMPORTS
+
+#include "dh.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+#if defined(CRYPTOPP_DEBUG) && !defined(CRYPTOPP_DOXYGEN_PROCESSING)
+void DH_TestInstantiations()
+{
+	DH dh1;
+	DH dh2(NullRNG(), 10);
+}
+#endif
+
+NAMESPACE_END
+
+#endif