diff --git a/config.h b/config.h
new file mode 100644
index 0000000..d5adbae
--- /dev/null
+++ b/config.h
@@ -0,0 +1,4 @@
+#define XKCP_has_FIPS202
+#define XKCP_has_SP800_185
+#define XKCP_has_Sponge_Keccak
+#define XKCP_has_KeccakP1600