diff --git a/types/security.go b/types/security.go
new file mode 100644
index 0000000..0a738fd
--- /dev/null
+++ b/types/security.go
@@ -0,0 +1,6 @@
+package types
+
+type ECDHConfig struct {
+	UseDefaultBasepoint bool
+	CustomBasepoint     []byte
+}