diff --git a/auth/auth.go b/auth/auth.go
new file mode 100644
index 0000000..393a4da
--- /dev/null
+++ b/auth/auth.go
@@ -0,0 +1,14 @@
+package auth
+
+type BasicVerifier interface {
+	Verify(string, string) error
+}
+
+type BasicAuthenticator interface {
+	Authenticate(string, string) (BasicPrinciple, error)
+}
+
+type BasicPrinciple interface {
+	ID() string
+	Permissions() []string
+}
diff --git a/auth/go.mod b/auth/go.mod
new file mode 100644
index 0000000..7169da8
--- /dev/null
+++ b/auth/go.mod
@@ -0,0 +1,3 @@
+module github.com/therootcompany/golib/auth
+
+go 1.25.0