Initial encryption test is working on Chrome and iOS.

Gruntfile.js

@@ -175,6 +175,16 @@ module.exports = function(grunt) {
           'src/js/trezor-url.js',
           'bower_components/trezor-connect/connect.js',
           'node_modules/bezier-easing/dist/bezier-easing.min.js',
+
+          'bower_components/crypto-js/core.js',
+          'bower_components/crypto-js/enc-base64.js',
+          'bower_components/crypto-js/hmac.js',
+          'bower_components/crypto-js/md5.js',
+          'bower_components/crypto-js/sha1.js',
+          'bower_components/crypto-js/evpkdf.js',
+          'bower_components/crypto-js/cipher-core.js',
+          'bower_components/crypto-js/aes.js',
+          
           'node_modules/cordova-plugin-qrscanner/dist/cordova-plugin-qrscanner-lib.min.js'
         ],
         dest: 'www/js/app.js'

bower.json

@@ -11,6 +11,7 @@
     "angular-gettext": "2.2.1",
     "angular-moment": "0.10.1",
     "angular-qrcode": "bitpay/angular-qrcode#~6.3.0",
+    "crypto-js": "^3.1.9",
     "ionic": "https://github.com/ionic-team/ionic-v1.git",
     "moment": "2.10.3",
     "ng-lodash": "0.2.3",

src/js/services/encryptionService.js

@@ -0,0 +1,86 @@
+'use strict';
+
+angular.module('copayApp.services').factory('encryptionService', function($log) {
+  var root = {};
+
+  //lazy creation of cipher and decipher?
+
+  // need a function to get the key
+  var password = 'password';
+
+  function _getGetOrCreateKey() {
+
+    //crytpo.scrypt()
+    //crypto.createCipheriv()
+  };
+
+  function encryptUsingcrypto(str) {
+    var cipher = crypto.createCipher('aes256', password);
+
+    cipher.on('readable', () => {
+      var data = cipher.read();
+      if (data) {
+        encrypted += data.toString('hex');
+      }
+    });
+    
+    cipher.on('end', () => {
+      console.log('Encrypted 1: ' + encrypted);
+      //cb();
+    });
+
+    //cipher.write(str);
+    cipher.write(str);
+    cipher.end();
+  }
+
+  function encryptUsingCryptoJS(str) {
+    var ciphertext = CryptoJS.AES.encrypt(str, password);
+    $log.debug('cipherText: ' + ciphertext);
+  }
+
+  root.encrypt = function(str, cb) {
+    $log.debug('*** crypto   exists: ' + !!crypto);
+    $log.debug('*** CryptoJS exists: ' + !!CryptoJS);
+
+    encryptUsingCryptoJS('I am a secret.');
+
+/*
+  //  var ciphertext = CryptoJS.AES.encrypt(str, password);
+    var cipher = crypto.createCipher('aes256', password);
+
+    cipher.on('readable', () => {
+      var data = cipher.read();
+      if (data) {
+        encrypted += data.toString('hex');
+      }
+    });
+    
+    cipher.on('end', () => {
+      console.log('Encrypted: ' + encrypted);
+      //cb();
+    });
+
+    //cipher.write(str);
+    cipher.write('I am secret');
+    cipher.end();
+    */
+    
+  };
+
+  root.encryptedObjectFromString = function(str) {
+    try {
+      var parsed = JSON.parse(str);
+    } catch(e) {
+      return null;
+    }
+
+    if (parsed.encryptionVersion) {
+      return parsed;
+    } else {
+      return null;
+    }
+  };
+
+  return root;
+});

src/js/services/storageService.js

@@ -1,6 +1,6 @@
 'use strict';
 angular.module('copayApp.services')
-  .factory('storageService', function(appConfigService, logHeader, fileStorageService, localStorageService, sjcl, $log, lodash, platformInfo, secureStorageService, $timeout) {
+  .factory('storageService', function(appConfigService, encryptionService, logHeader, fileStorageService, localStorageService, sjcl, $log, lodash, platformInfo, secureStorageService, $timeout) {
 
     var root = {};
     var storage;
@@ -32,7 +32,7 @@ angular.module('copayApp.services')
     // This is only used in Copay, we used to encrypt profile
     // using device's UUID.
 
-    var decryptOnMobile = function(text, cb) {
+    var copayDecryptOnMobile = function(text, cb) {
       var json;
       try {
         json = JSON.parse(text);
@@ -121,11 +121,11 @@ angular.module('copayApp.services')
 
     root.storeProfile = function(profile, cb) {
       var profileString = profile.toObj();
-      if (platformInfo.isNW) {
+      //if (platformInfo.isNW) {
         storage.set('profile', profileString, cb);
-      } else {
+      //} else {
-        secureStorageService.set('profile', profileString, cb);
+      //  secureStorageService.set('profile', profileString, cb);
-      }
+      //}
     };
 
     /**
@@ -150,7 +150,7 @@ angular.module('copayApp.services')
         return cb(null, null);
       }
 
-      decryptOnMobile(profileStr, function(decryptErr, decryptedStr) {
+      copayDecryptOnMobile(profileStr, function(decryptErr, decryptedStr) {
         if (decryptErr) return cb(decryptErr, null);
         var profile;
         try {
@@ -205,6 +205,46 @@ angular.module('copayApp.services')
      * @param {getProfileCallback} cb 
      */
     root.getProfile = function(cb) {
+      $log.debug('getProfile()');
+      storage.get('profile', function onProfileRetrieved(getErr, profileStr){
+        if (getErr) {
+          $log.error(getErr);
+          return cb(getErr, null);
+        }
+
+        if (!profileStr) {
+          $log.debug('No string loaded, returning nothing.');
+          return cb(null, null);
+        }
+
+        var encryptedProfile = encryptionService.encryptedObjectFromString(profileStr);
+        if (!encryptedProfile) {
+
+          copayDecryptOnMobile(profileStr, function(decryptErr, decryptedStr) {
+            if (decryptErr) return cb(decryptErr, null);
+            var profile;
+            try {
+              profile = Profile.fromString(decryptedStr);
+            } catch (e) {
+              $log.debug('Could not read profile:', e);
+              return cb(new Error('Could not read profile.'), null);
+            }
+
+            encryptedProfile = encryptionService.encrypt(profile);
+            $log.debug('encryptedProfile');
+
+            //cb(null, profile)
+          });
+        } else {
+          $log.debug('profile was encrypted.');
+        }
+
+
+
+      });
+
+      /*
+
       if (platformInfo.isNW) {
         storage.get('profile', function(getErr, getStr) {
           _onOldProfileRetrieved(getErr, getStr, cb);
@@ -248,6 +288,7 @@ angular.module('copayApp.services')
           });
         });
       });
+      */
     };
 
     root.setFeedbackInfo = function(feedbackValues, cb) {