Add user authentication helpers

auth/pass_test.go

@@ -0,0 +1,21 @@
+package auth
+
+import "testing"
+
+const pass = "password"
+
+var hash []byte
+
+func TestHash(t *testing.T) {
+	var err error
+	hash, err = HashPass([]byte(pass))
+	if err != nil {
+		t.Error("Password hash failed.")
+	}
+}
+
+func TestAuth(t *testing.T) {
+	if !Authenticated(hash, []byte(pass)) {
+		t.Error("Didn't authenticate.")
+	}
+}