From 83d59cddd7c79af75675427c7bca52707075190b Mon Sep 17 00:00:00 2001
From: Michael Stapelberg <michael@stapelberg.de>
Date: Sun, 28 Nov 2021 15:58:55 +0100
Subject: [PATCH] recommend ed25519 host keys

Newer OpenSSH versions seem to have problems with (some?) older ssh-rsa keys,
so I figured we could switch to ed25519 and avoid any confusion regarding
ssh-rsa support.
---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index b048c2a..ea68ea2 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,7 @@ host key and an authorized keys file. Assuming you mounted the
 permanent file system at `/media/sdx4`:
 
 ```
-sudo ssh-keygen -N '' -t rsa -f /media/sdx4/breakglass.host_key
+sudo ssh-keygen -N '' -t ed25519 -f /media/sdx4/breakglass.host_key
 sudo install -m 600 ~/.ssh/id_*.pub /media/sdx4/breakglass.authorized_keys
 ```