1 files changed, 6 insertions, 1 deletions
diff --git a/lib/chessh/ssh/server_key.ex b/lib/chessh/ssh/server_key.ex
index 72a4fbb..5252624 100644
--- a/lib/chessh/ssh/server_key.ex
+++ b/lib/chessh/ssh/server_key.ex
@@ -1,9 +1,14 @@
 defmodule Chessh.SSH.ServerKey do
+  alias Chessh.PlayerSession
   alias Chessh.Auth.KeyAuthenticator
+
   @behaviour :ssh_server_key_api
 
   def is_auth_key(key, username, _daemon_options) do
-    KeyAuthenticator.authenticate(username, key)
+    PlayerSession.player_within_concurrent_sessions_and_satisfies(
+      username,
+      &KeyAuthenticator.authenticate(&1, key)
+    )
   end
 
   def host_key(algorithm, daemon_options) do