diff --git a/.gitignore b/.gitignore
index 61f8c07..a84d7db 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,3 +25,5 @@ go.work.sum
 .env
 ublue-upd
 output/*
+*.key
+*.private
diff --git a/cosign.pub b/cosign.pub
new file mode 100644
index 0000000..ed399ef
--- /dev/null
+++ b/cosign.pub
@@ -0,0 +1,4 @@
+-----BEGIN PUBLIC KEY-----
+MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEM54pR/EYw9tW4Fa6YbdAP+1W3/1K
++WaM61xEzQKZo2hoHN1KkfU6kgrahrhPZpFK2GjfMWelfcbOH6rWcE7jWg==
+-----END PUBLIC KEY-----