1 files changed, 8 insertions, 1 deletions
diff --git a/shard/lib/keys.ex b/shard/lib/keys.ex
index de054e1..b6ff461 100644
--- a/shard/lib/keys.ex
+++ b/shard/lib/keys.ex
@@ -72,7 +72,7 @@ defmodule Shard.Keys do
   List the public keys of all identities for which we have a secret key
   """
   def list_identities() do
-    for [{pk, _sk}] <- :dets.match(@key_db, :"$1"), do: pk
+    for [pk, _sk] <- :dets.match(@key_db, {:"$1", :"$2"}), do: pk
   end
 
   @doc"""
@@ -103,6 +103,13 @@ defmodule Shard.Keys do
     end
   end
 
+  def have_sk?(pk) do
+    case :dets.lookup @key_db, pk do
+      [{^pk, _sk}] -> true
+      _ -> false
+    end
+  end
+
   @doc"""
     Lookup the secret key for a pk and generate a detached signature for a message.