diff --git a/sup/hooks/crypto-mode.rb b/sup/hooks/crypto-mode.rb
new file mode 100644
index 0000000..75a87a2
--- /dev/null
+++ b/sup/hooks/crypto-mode.rb
@@ -0,0 +1,3 @@
+
+crypto_selector.set_to :sign if crypto_selector.can_set_to? :sign
+