From dd76e6ce4e47f7e24d24e1ba773719ab8a7494a9 Mon Sep 17 00:00:00 2001
From: Simon <simon@gb7fr.org.uk>
Date: Wed, 3 Aug 2022 23:30:35 +0100
Subject: [PATCH] fix hmac

---
 hblink.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/hblink.py b/hblink.py
index 88af84a..9b6d41f 100755
--- a/hblink.py
+++ b/hblink.py
@@ -748,9 +748,9 @@ class OPENBRIDGE(DatagramProtocol):
                         
                 if _packet[:4] == BCTO:
                     if self._config['VER'] > 5:
-                        _hash = _packet[13:]
+                        _hash = _packet[14:]
                         _h = blake2b(key=self._config['PASSPHRASE'], digest_size=16)
-                        _h.update(_packet[:13])
+                        _h.update(_packet[:14])
                         _hash2 = _h.digest()
                         _src = _packet[4:8]
                         _dst = _packet[8:12]