From e647360a0ec5c08d6fdfeaaa93b99dcba368bc70 Mon Sep 17 00:00:00 2001
From: Thomas Waldmann <tw@waldmann-edv.de>
Date: Fri, 18 Mar 2022 20:24:48 +0100
Subject: [PATCH] crypto: better raise NotImplementedError if we have no
 id_hash

---
 src/borg/crypto/key.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/borg/crypto/key.py b/src/borg/crypto/key.py
index 374799571..89674e5ed 100644
--- a/src/borg/crypto/key.py
+++ b/src/borg/crypto/key.py
@@ -156,6 +156,7 @@ class KeyBase:
     def id_hash(self, data):
         """Return HMAC hash using the "id" HMAC key
         """
+        raise NotImplementedError
 
     def encrypt(self, chunk):
         pass