diff --git a/utils.py b/utils.py
index 9d0dbcd..c2d76f1 100644
--- a/utils.py
+++ b/utils.py
@@ -65,3 +65,7 @@ def swap_nibbles(array):
 	for a in array:
 		rc.append(((a & 0xf0) >> 4) | ((a & 0x0f) << 4))
 	return rc
+
+# Convert from list of bytes to big-endian integer
+def list_to_int(arr):
+	return int(hexdump(arr), 16)