Ignore file generated by gen_key
diff --git a/programs/.gitignore b/programs/.gitignore
index 003369b..50f1521 100644
--- a/programs/.gitignore
+++ b/programs/.gitignore
@@ -47,3 +47,6 @@
 x509/crl_app
 x509/cert_write
 x509/req_app
+
+# generated files
+pkey/keyfile.key