};
passwordContext.put("md5a2", tmpStr.toString());
DigestCallbackHandler handler = new DigestCallbackHandler("exo", "exo".toCharArray(), passwordContext);
LoginContext loginContext = new LoginContext("exo", handler);
loginContext.login();
assertNotNull(identityRegistry.getIdentity("exo"));
assertEquals("exo", identityRegistry.getIdentity("exo").getUserId());