Import code from previous AssetBuilder version

src/Crypto/Impl/CryptoLibrary.h

@@ -0,0 +1,20 @@
+#pragma once
+
+#define LTC_NO_PROTOTYPES
+#include "tomcrypt.h"
+
+class CryptoLibrary
+{
+public:
+    static void Init()
+    {
+        static bool initialized = false;
+
+        if(!initialized)
+        {
+            initialized = true;
+
+            ltc_mp = ltm_desc;
+        }
+    }
+};