diff -r 7d6f2526244a -r 197a85a35cba app/src/main/java/com/isode/stroke/sasl/ClientAuthenticator.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/app/src/main/java/com/isode/stroke/sasl/ClientAuthenticator.java	Sun Mar 15 18:03:03 2015 +0100
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2010, Isode Limited, London, England.
+ * All rights reserved.
+ */
+/*
+ * Copyright (c) 2010, Remko Tronçon.
+ * All rights reserved.
+ */
+package com.isode.stroke.sasl;
+
+import com.isode.stroke.base.ByteArray;
+
+public abstract class ClientAuthenticator {
+
+    public ClientAuthenticator(String name) {
+        this.name = name;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setCredentials(String authcid, String password) {
+        setCredentials(authcid, password, "");
+    }
+
+    public void setCredentials(String authcid, String password, String authzid) {
+        this.authcid = authcid;
+        this.password = password;
+        this.authzid = authzid;
+    }
+
+    public abstract ByteArray getResponse();
+
+    public abstract boolean setChallenge(ByteArray challenge);
+
+    public String getAuthenticationID() {
+        return authcid;
+    }
+
+    public String getAuthorizationID() {
+        return authzid;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+    private String name;
+    private String authcid;
+    private String password;
+    private String authzid;
+}