diff --git a/xmrstak/backend/cryptonight.hpp b/xmrstak/backend/cryptonight.hpp
new file mode 100644
index 0000000..85e67d8
--- /dev/null
+++ b/xmrstak/backend/cryptonight.hpp
@@ -0,0 +1,12 @@
+#pragma once
+
+// define aeon settings
+#define AEON_MEMORY 1048576llu
+#define AEON_MASK 0xFFFF0
+#define AEON_ITER 0x40000
+
+// define xmr settings
+#define XMR_MEMORY 2097152llu
+#define XMR_MASK 0x1FFFF0
+#define XMR_ITER 0x80000
+