diff --git a/src/capwap/rand.h b/src/capwap/rand.h
new file mode 100644
index 00000000..c49302c1
--- /dev/null
+++ b/src/capwap/rand.h
@@ -0,0 +1,8 @@
+#ifndef __CW_RAND_H
+#define __CW_RAND_H
+
+
+extern int cw_rand(uint8_t*dst, int len);
+
+#endif
+