diff --git a/bower.json b/bower.json
index 008f714..032b202 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "mockfirebase",
-  "version": "0.7.0",
+  "version": "0.8.0",
   "homepage": "https://github.com/katowulf/mockfirebase",
   "authors": [
     "Kato"
diff --git a/browser/mockfirebase.js b/browser/mockfirebase.js
index 4953067..bc59854 100755
--- a/browser/mockfirebase.js
+++ b/browser/mockfirebase.js
@@ -1,4 +1,4 @@
-/** mockfirebase - v0.7.0
+/** mockfirebase - v0.8.0
 https://github.com/katowulf/mockfirebase
 * Copyright (c) 2014 Kato
 * License: MIT */
@@ -6,6 +6,7 @@ https://github.com/katowulf/mockfirebase
 'use strict';
 
 exports.MockFirebase = require('./firebase');
+/** @deprecated */
 exports.MockFirebaseSimpleLogin = require('./login');
 
 },{"./firebase":15,"./login":16}],2:[function(require,module,exports){
@@ -1507,7 +1508,7 @@ Buffer.prototype.copy = function (target, target_start, start, end) {
 
   var len = end - start
 
-  if (len < 100 || !Buffer.TYPED_ARRAY_SUPPORT) {
+  if (len < 1000 || !Buffer.TYPED_ARRAY_SUPPORT) {
     for (var i = 0; i < len; i++) {
       target[i + target_start] = this[i + start]
     }
@@ -1576,6 +1577,7 @@ var BP = Buffer.prototype
  * Augment a Uint8Array *instance* (not the Uint8Array class!) with Buffer methods
  */
 Buffer._augment = function (arr) {
+  arr.constructor = Buffer
   arr._isBuffer = true
 
   // save reference to original Uint8Array get/set methods before overwriting
@@ -9557,6 +9559,12 @@ function MockFirebase(currentPath, data, parent, name) {
 
   // stores the last auto id generated by push() for tests
   this._lastAutoId = null;
+
+  this._authUserData = null;
+  this._authListeners = [];
+  this._authCompletionListeners = [];
+  this._users = {};
+  this._uidCounter = 1;
 }
 
 MockFirebase.prototype = {
@@ -9701,7 +9709,7 @@ MockFirebase.prototype = {
    *
    * @param {string} event
    * @param {string} key
-   * @param data
+   * @param [data]
    * @param {string} [prevChild]
    * @param [pri]
    * @returns {MockFirebase}
@@ -9727,6 +9735,29 @@ MockFirebase.prototype = {
     return this;
   },
 
+  /**
+   * Modifies authentication state and changes the current user credentials. This will trigger
+   * any onAuth() listeners in the next flush() operation.
+   *
+   * @param {Object|null} userData if an object, it should contain all field specified here: https://www.firebase.com/docs/web/api/firebase/onauth.html
+   */
+  changeAuthState: function (userData) {
+    var self = this;
+    this._defer(function() {
+      if (!_.isEqual(self._authUserData, userData)) {
+        self._authUserData = _.isObject(userData) ? userData : null;
+        self._triggerAuthEvent();
+      }
+    });
+  },
+
+  /**
+   * Retrieve an email user that was added with createUser()
+   */
+  getEmailUser: function(email) {
+    return this._users.hasOwnProperty(email) ? _.extend({}, this._users[email]) : null;
+  },
+
   /*****************************************************
    * Firebase API methods
    *****************************************************/
@@ -9943,26 +9974,150 @@ MockFirebase.prototype = {
     return [valueFn, finishedFn, applyLocally];
   },
 
+  /**********************************************************
+   * AUTHENTICATION METHODS
+   **********************************************************/
+
   /**
    * If token is valid and parses, returns the contents of token as exected. If not, the error is returned.
    * Does not change behavior in any way (since we don't really auth anywhere)
    *
    * @param {String} token
    * @param {Function} [callback]
+   * @deprecated
    */
   auth: function(token, callback) {
-    //todo invoke callback with the parsed token contents
-    var err = this._nextErr('auth');
-    if (callback) {
+    console.warn('FIREBASE WARNING: FirebaseRef.auth() being deprecated. Please use FirebaseRef.authWithCustomToken() instead.');
+    this._authEvent('auth', callback);
+  },
+
+  /**
+   * If token is valid and parses, returns the contents of token as exected. If not, the error is returned.
+   * Does not change behavior in any way (since we don't really auth anywhere)
+   *
+   * @param {String} token
+   * @param {Function} [onComplete]
+   */
+  authWithCustomToken: function(token, onComplete) {
+    this._authEvent('authWithCustomToken', onComplete);
+  },
+
+  authAnonymously: function(onComplete) {
+    this._authEvent('authAnonymously', onComplete);
+  },
+
+  authWithPassword: function(credentials, onComplete) {
+    this._authEvent('authWithPassword', onComplete);
+  },
+
+  authWithOAuthPopup: function(provider, onComplete) {
+    this._authEvent('authWithOAuthPopup', onComplete);
+  },
+
+  authWithOAuthRedirect: function(provider, onComplete) {
+    this._authEvent('authWithOAuthRedirect', onComplete);
+  },
+
+  authWithOAuthToken: function(provider, credentials, onComplete) {
+    this._authEvent('authWithOAuthToken', onComplete);
+  },
+
+  _authEvent: function(method, callback) {
+    var err = this._nextErr(method);
+    if (!callback) return;
+    if (err) {
+      // if an error occurs, we defer the error report until the next flush()
+      // event is triggered
       this._defer(function() {
-        var auth = { auth: { id: 'test', _token: token }, expires: (new Date()).to_i / 1000 };
-        if( err === null ) {
-          callback(null, auth);
-        } else {
-          callback(err);
-        }
+        callback(err, null);
       });
     }
+    else {
+      // if there is no error, then we just add our callback to the listener
+      // stack and wait for the next changeAuthState() call.
+      this._authCompletionListeners.push({fn: callback});
+    }
+  },
+
+  getAuth: function() {
+    return this._authUserData;
+  },
+
+  onAuth: function(onComplete, context) {
+    this._authListeners.push({fn: onComplete, ctx: context});
+  },
+
+  offAuth: function(onComplete, context) {
+    var index = _.findIndex(this._authListeners, function(v) {
+      return v.fn === onComplete && v.ctx === context;
+    });
+    if (index > -1) {
+      this._authListeners.splice(index, 1);
+    }
+  },
+
+  unauth: function() {
+    if (this._authUserData !== null) {
+      this._authUserData = null;
+      this._triggerAuthEvent();
+    }
+  },
+
+  createUser: function(credentials, onComplete) {
+    var err = this._nextErr('createUser');
+    var users = this._users;
+    this._defer(_.bind(function() {
+      var user = null;
+      err = err ||
+        this._validateCreds('createUser', credentials, ['email', 'password']) ||
+        this._validateNewEmail(credentials);
+      if( !err ) {
+        var key = credentials.email;
+        users[key] = {uid: this._nextUid(), email: key, password: credentials.password};
+        user = {uid: users[key].uid};
+      }
+      onComplete(err, user);
+    }, this));
+  },
+
+  changePassword: function(credentials, onComplete) {
+    var err = this._nextErr('changePassword');
+    this._defer(_.bind(function() {
+      err = err ||
+        this._validateCreds('changePassword', credentials, ['email', 'oldPassword', 'newPassword']) ||
+        this._validateExistingEmail(credentials) ||
+        this._validPass(credentials, 'oldPassword');
+      if( !err ) {
+        var key = credentials.email;
+        var user = this._users[key];
+        user.password = credentials.newPassword;
+      }
+      onComplete(err);
+    }, this));
+  },
+
+  removeUser: function(credentials, onComplete) {
+    var err = this._nextErr('removeUser');
+    this._defer(_.bind(function() {
+      err = err ||
+        this._validateCreds('removeUser', credentials, ['email', 'password']) ||
+        this._validateExistingEmail(credentials) ||
+        this._validPass(credentials, 'password');
+      if( !err ) {
+        delete this._users[credentials.email];
+      }
+      onComplete(err);
+    }, this));
+  },
+
+  resetPassword: function(credentials, onComplete) {
+    var err = this._nextErr('resetPassword');
+    this._defer(_.bind(function() {
+      err = err ||
+        this._validateCreds('resetPassword', credentials, ['email']) ||
+        this._validateExistingEmail(credentials);
+      onComplete(err);
+    }, this));
   },
 
   /**
@@ -9985,6 +10140,65 @@ MockFirebase.prototype = {
    * Private/internal methods
    *****************************************************/
 
+  _nextUid: function() {
+    return 'simplelogin:'+(this._uidCounter++);
+  },
+
+  _validateNewEmail: function(creds) {
+    creds = _.assign({}, creds);
+    if( this._users.hasOwnProperty(creds.email) ) {
+      var err = new Error('The specified email address is already in use.');
+      err.code = 'EMAIL_TAKEN';
+      return err;
+    }
+    return null;
+  },
+
+  _validateExistingEmail: function(creds) {
+    creds = _.assign({}, creds);
+    if( !this._users.hasOwnProperty(creds.email) ) {
+      var err = new Error('The specified user does not exist.');
+      err.code = 'INVALID_USER';
+      return err;
+    }
+    return null;
+  },
+
+  _validateCreds: function(method, creds, fields) {
+    var err = this._validObj(creds, method, 'First');
+    var i = 0;
+    while (err === null && i < fields.length) {
+      err = this._validArg(method, creds, 'First', fields[i], 'string');
+      i++;
+    }
+    return err;
+  },
+
+  _validPass: function(obj, name) {
+    var err = null;
+    var key = obj.email;
+    if( obj[name] !== this._users[key].password ) {
+      err = new Error('The specified password is incorrect.');
+      err.code = 'INVALID_PASSWORD';
+    }
+    return err;
+  },
+
+  _validObj: function(obj, method, position) {
+    if( !_.isObject(obj) ) {
+      return new Error('Firebase.' + method + ' failed: ' + position + ' argument must be a valid object.');
+    }
+    return null;
+  },
+
+  _validArg: function(method, obj, position, name, type) {
+    if( !obj.hasOwnProperty(name) || typeof(obj[name]) !== type ) {
+      return new Error('Firebase.' + method + ' failed: ' + position +
+        ' argument must contain the key "' + name + '" with type "' + type + '"');
+    }
+    return null;
+  },
+
   _childChanged: function(ref) {
     var events = [];
     var childKey = ref.key();
@@ -10107,6 +10321,21 @@ MockFirebase.prototype = {
     }
   },
 
+  _triggerAuthEvent: function() {
+    var list = this._authCompletionListeners;
+    // clear the completion list before triggering callbacks
+    this._authCompletionListeners = [];
+    var user = this._authUserData;
+    // trigger completion listeners first
+    _.forEach(list, function(parts) {
+      parts.fn.call(parts.ctx, null, _.cloneDeep(user));
+    });
+    // then trigger onAuth listeners
+    _.forEach(this._authListeners, function(parts) {
+      parts.fn.call(parts.ctx, _.cloneDeep(user));
+    });
+  },
+
   _updateOrAdd: function(key, data, events) {
     var exists = _.isObject(this.data) && this.data.hasOwnProperty(key);
     if( !exists ) {
@@ -10217,6 +10446,7 @@ var md5 = require('MD5');
 
 /*******************************************************************************
  * SIMPLE LOGIN
+ * @deprecated
  ******************************************************************************/
 function MockFirebaseSimpleLogin (ref, callback, userData) {
   // allows test units to monitor the callback function to make sure
diff --git a/package.json b/package.json
index bb5bfbf..9319548 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mockfirebase",
-  "version": "0.7.0",
+  "version": "0.8.0",
   "description": "An experimental Firebase stub/spy library for writing unit tests (not supported by Firebase)",
   "main": "./src",
   "scripts": {