1 files changed, 9 insertions, 0 deletions
diff --git a/src/util.h b/src/util.h
new file mode 100644
index 0000000..7b543aa
--- /dev/null
+++ b/src/util.h
@@ -0,0 +1,9 @@
+#pragma once 
+
+#include <linux/kernel.h>
+
+void gen_rand_bytes(unsigned char *arr, uint32_t arr_len);
+void random_perm(uint32_t *arr, uint32_t arr_len);
+void gen_random_indices(uint32_t *arr, uint32_t arr_len);
+
+bool is_in_arr(uint32_t elem, uint32_t *arr, uint32_t arr_len);