From 4e87fe3936e7d862e089f38912b9a9e4aa8ad1f7 Mon Sep 17 00:00:00 2001
From: Slav <hcs@inbox.ru>
Date: Thu, 22 Dec 2022 20:49:57 +0300
Subject: [PATCH] Update compatibility.py

Fix to avoid conversion to bytes/string when already bytes/string provided.
---
 ellipticcurve/utils/compatibility.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ellipticcurve/utils/compatibility.py b/ellipticcurve/utils/compatibility.py
index 3b22dd3..06815b2 100644
--- a/ellipticcurve/utils/compatibility.py
+++ b/ellipticcurve/utils/compatibility.py
@@ -9,9 +9,13 @@
     intTypes = (int, float)
 
     def toString(string, encoding="utf-8"):
+        if isinstance(string,str):
+            return string
         return string.decode(encoding)
 
     def toBytes(string, encoding="utf-8"):
+        if isinstance(string,bytes):
+            return string
         return string.encode(encoding)
 
     def safeBinaryFromHex(hexadecimal):