diff --git a/src/helper_random.py b/src/helper_random.py
new file mode 100644
index 00000000..a0fb08f1
--- /dev/null
+++ b/src/helper_random.py
@@ -0,0 +1,9 @@
+import os
+
+from pyelliptic.openssl import OpenSSL
+
+def randomBytes(n):
+    try:
+        return os.urandom(n)
+    except NotImplementedError:
+        return OpenSSL.rand(n)