diff --git a/config/testdata/k1.pub b/config/testdata/k1.pub
new file mode 100644
index 0000000000000000000000000000000000000000..d82e29394d343e6e36bc1759b06689a399ea80a4
--- /dev/null
+++ b/config/testdata/k1.pub
@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINMwLvyV3ouVrTysUYGoJdl5Vgn5BACKov+n9PlzfPwH a@b