diff --git a/include/Swiften/Server/SimpleUserRegistry.cpp b/include/Swiften/Server/SimpleUserRegistry.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..a519ac225f4488c46dab8324ccc15df0af81f690
--- /dev/null
+++ b/include/Swiften/Server/SimpleUserRegistry.cpp
@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2010 Remko Tronçon
+ * Licensed under the GNU General Public License v3.
+ * See Documentation/Licenses/GPLv3.txt for more information.
+ */
+
+#include <Swiften/Server/SimpleUserRegistry.h>
+
+namespace Swift {
+
+SimpleUserRegistry::SimpleUserRegistry() {
+}
+
+bool SimpleUserRegistry::isValidUserPassword(const JID& user, const SafeByteArray& password) const {
+	std::map<JID,SafeByteArray>::const_iterator i = users.find(user);
+	return i != users.end() ? i->second == password : false;
+}
+
+void SimpleUserRegistry::addUser(const JID& user, const std::string& password) {
+	users.insert(std::make_pair(user, createSafeByteArray(password)));
+}
+
+}