Merge pull request #49 from whiteout-io/dev/change-passphrase

[WO-296] implement change passphrase ui

src/js/app.js

@@ -7,6 +7,7 @@ requirejs([
     'js/controller/popover',
     'js/controller/add-account',
     'js/controller/account',
+    'js/controller/set-passphrase',
     'js/controller/contacts',
     'js/controller/login',
     'js/controller/login-initial',
@@ -26,6 +27,7 @@ requirejs([
     PopoverCtrl,
     AddAccountCtrl,
     AccountCtrl,
+    SetPassphraseCtrl,
     ContactsCtrl,
     LoginCtrl,
     LoginInitialCtrl,
@@ -92,6 +94,7 @@ requirejs([
     app.controller('WriteCtrl', WriteCtrl);
     app.controller('MailListCtrl', MailListCtrl);
     app.controller('AccountCtrl', AccountCtrl);
+    app.controller('SetPassphraseCtrl', SetPassphraseCtrl);
     app.controller('ContactsCtrl', ContactsCtrl);
     app.controller('DialogCtrl', DialogCtrl);
     app.controller('PopoverCtrl', PopoverCtrl);

src/js/controller/account.js

@@ -3,14 +3,16 @@ define(function(require) {
 
     var appController = require('js/app-controller'),
         dl = require('js/util/download'),
-        emailDao;
+        pgp, keychain, userId;
 
     //
     // Controller
     //
 
     var AccountCtrl = function($scope) {
-        emailDao = appController._emailDao;
+        userId = appController._emailDao._account.emailAddress;
+        keychain = appController._keychain;
+        pgp = appController._crypto;
 
         $scope.state.account = {
             open: false,
@@ -23,32 +25,49 @@ define(function(require) {
         // scope variables
         //
 
-        var fpr = emailDao._crypto.getFingerprint(),
-            keyId = emailDao._crypto.getKeyId();
-        $scope.eMail = emailDao._account.emailAddress;
-        $scope.keyId = keyId.slice(8);
+        var keyParams = pgp.getKeyParams();
+
+        $scope.eMail = userId;
+        $scope.keyId = keyParams._id.slice(8);
+        var fpr = keyParams.fingerprint;
         $scope.fingerprint = fpr.slice(0, 4) + ' ' + fpr.slice(4, 8) + ' ' + fpr.slice(8, 12) + ' ' + fpr.slice(12, 16) + ' ' + fpr.slice(16, 20) + ' ' + fpr.slice(20, 24) + ' ' + fpr.slice(24, 28) + ' ' + fpr.slice(28, 32) + ' ' + fpr.slice(32, 36) + ' ' + fpr.slice(36);
-        $scope.keysize = emailDao._account.asymKeySize;
+        $scope.keysize = keyParams.bitSize;
 
         //
         // scope functions
         //
 
         $scope.exportKeyFile = function() {
-            emailDao._crypto.exportKeys(function(err, keys) {
+            keychain.getUserKeyPair(userId, function(err, keys) {
                 if (err) {
                     $scope.onError(err);
                     return;
                 }
 
-                var id = 'whiteout_mail_' + emailDao._account.emailAddress + '_' + keys.keyId.substring(8, keys.keyId.length);
+                var keyId = keys.publicKey._id;
+                var file = 'whiteout_mail_' + userId + '_' + keyId.substring(8, keyId.length);
+
                 dl.createDownload({
-                    content: keys.publicKeyArmored + keys.privateKeyArmored,
-                    filename: id + '.asc',
+                    content: keys.publicKey.publicKey + keys.privateKey.encryptedKey,
+                    filename: file + '.asc',
                     contentType: 'text/plain'
-                }, $scope.onError);
+                }, onExport);
             });
         };
+
+        function onExport(err) {
+            if (err) {
+                $scope.onError(err);
+                return;
+            }
+
+            $scope.state.account.toggle(false);
+            $scope.$apply();
+            $scope.onError({
+                title: 'Success',
+                message: 'Exported keypair to file.'
+            });
+        }
     };
 
     return AccountCtrl;

src/js/controller/set-passphrase.js

@@ -0,0 +1,83 @@
+define(function(require) {
+    'use strict';
+
+    var appController = require('js/app-controller'),
+        pgp, keychain;
+
+    //
+    // Controller
+    //
+
+    var SetPassphraseCtrl = function($scope) {
+        keychain = appController._keychain;
+        pgp = appController._crypto;
+
+        $scope.state.setPassphrase = {
+            open: false,
+            toggle: function(to) {
+                this.open = to;
+
+                $scope.newPassphrase = undefined;
+                $scope.oldPassphrase = undefined;
+                $scope.confirmation = undefined;
+            }
+        };
+
+        //
+        // scope variables
+        //
+
+        //
+        // scope functions
+        //
+
+        $scope.setPassphrase = function() {
+            var keyId = pgp.getKeyParams()._id;
+            keychain.lookupPrivateKey(keyId, function(err, savedKey) {
+                if (err) {
+                    $scope.onError(err);
+                    return;
+                }
+
+                pgp.changePassphrase({
+                    privateKeyArmored: savedKey.encryptedKey,
+                    oldPassphrase: $scope.oldPassphrase,
+                    newPassphrase: $scope.newPassphrase
+                }, onPassphraseChanged);
+            });
+        };
+
+        function onPassphraseChanged(err, newPrivateKeyArmored) {
+            if (err) {
+                $scope.onError(err);
+                return;
+            }
+
+            // persist new armored key
+            var keyParams = pgp.getKeyParams(newPrivateKeyArmored);
+            var privateKey = {
+                _id: keyParams._id,
+                userId: keyParams.userId,
+                encryptedKey: newPrivateKeyArmored
+            };
+
+            keychain.saveLocalPrivateKey(privateKey, onKeyPersisted);
+        }
+
+        function onKeyPersisted(err) {
+            if (err) {
+                $scope.onError(err);
+                return;
+            }
+
+            $scope.state.setPassphrase.toggle(false);
+            $scope.$apply();
+            $scope.onError({
+                title: 'Success',
+                message: 'Passphrase change complete.'
+            });
+        }
+    };
+
+    return SetPassphraseCtrl;
+});

src/js/crypto/pgp.js

@@ -17,7 +17,7 @@ define(function(require) {
      * Generate a key pair for the user
      */
     PGP.prototype.generateKeys = function(options, callback) {
-        var userId;
+        var userId, passphrase;
 
         if (!util.emailRegEx.test(options.emailAddress) || !options.keySize) {
             callback({
@@ -28,7 +28,8 @@ define(function(require) {
 
         // generate keypair (keytype 1=RSA)
         userId = 'Whiteout User <' + options.emailAddress + '>';
-        openpgp.generateKeyPair(1, options.keySize, userId, options.passphrase, onGenerated);
+        passphrase = (options.passphrase) ? options.passphrase : undefined;
+        openpgp.generateKeyPair(1, options.keySize, userId, passphrase, onGenerated);
 
         function onGenerated(err, keys) {
             if (err) {
@@ -99,7 +100,17 @@ define(function(require) {
      * Read all relevant params of an armored key.
      */
     PGP.prototype.getKeyParams = function(keyArmored) {
-        var key = openpgp.key.readArmored(keyArmored).keys[0],
+        var key, packet;
+
+        // process armored key input
+        if (keyArmored) {
+            key = openpgp.key.readArmored(keyArmored).keys[0];
+        } else if (this._publicKey) {
+            key = this._publicKey;
+        } else {
+            throw new Error('Cannot read key params... keys not set!');
+        }
+
         packet = key.getKeyPacket();
 
         return {
@@ -188,17 +199,24 @@ define(function(require) {
      * Change the passphrase of an ascii armored private key.
      */
     PGP.prototype.changePassphrase = function(options, callback) {
-        var privKey, packets;
+        var privKey, packets, newPassphrase, newKeyArmored;
 
-        if (!options.privateKeyArmored ||
-            typeof options.oldPassphrase !== 'string' ||
-            typeof options.newPassphrase !== 'string') {
+        // set undefined instead of empty string as passphrase
+        newPassphrase = (options.newPassphrase) ? options.newPassphrase : undefined;
+
+        if (!options.privateKeyArmored) {
             callback({
-                errMsg: 'Could not export keys!'
+                errMsg: 'Private key must be specified to change passphrase!'
             });
             return;
         }
 
+        if (options.oldPassphrase === newPassphrase ||
+            (!options.oldPassphrase && !newPassphrase)) {
+            callback(new Error('New and old passphrase are the same!'));
+            return;
+        }
+
         // read armored key
         try {
             privKey = openpgp.key.readArmored(options.privateKeyArmored).keys[0];
@@ -221,8 +239,9 @@ define(function(require) {
         try {
             packets = privKey.getAllKeyPackets();
             for (var i = 0; i < packets.length; i++) {
-                packets[i].encrypt(options.newPassphrase);
+                packets[i].encrypt(newPassphrase);
             }
+            newKeyArmored = privKey.armor();
         } catch (e) {
             callback({
                 errMsg: 'Setting new passphrase failed!'
@@ -230,7 +249,15 @@ define(function(require) {
             return;
         }
 
-        callback(null, privKey.armor());
+        // check if new passphrase really works
+        if (!privKey.decrypt(newPassphrase)) {
+            callback({
+                errMsg: 'Decrypting key with new passphrase failed!'
+            });
+            return;
+        }
+
+        callback(null, newKeyArmored);
     };
 
     /**

src/js/util/error.js

@@ -10,7 +10,11 @@ define(function() {
                 return;
             }
 
+            if (options.stack) {
+                console.error(options.stack);
+            } else {
                 console.error(options);
+            }
 
             scope.state.dialog = {
                 open: true,

src/sass/all.scss

@@ -15,6 +15,7 @@
 @import "components/icons";
 @import "components/lightbox";
 @import "components/nav";
+@import "components/dialog";
 @import "components/mail-list";
 @import "components/layout";
 @import "components/popover";
@@ -24,6 +25,7 @@
 @import "views/shared";
 @import "views/add-account";
 @import "views/account";
+@import "views/set-passphrase";
 @import "views/contacts";
 @import "views/dialog";
 @import "views/navigation";

src/sass/components/_dialog.scss

@@ -0,0 +1,17 @@
+.dialog {
+    padding: 0px;
+    color: $color-grey-dark;
+
+    @include respond-to(mobile) {
+        top: 0;
+        max-width: 100%;
+    }
+
+    .control {
+        float: right;
+
+        button {
+            border: 0!important;
+        }
+    }
+}

src/sass/views/_account.scss

@@ -1,13 +1,7 @@
 .view-account {
-    padding: 0px;
-    color: $color-grey-dark;
-
-    @include respond-to(mobile) {
-        height: 100%;
-    }
 
     table {
-        margin: 50px auto 100px auto;
+        margin: 50px auto 60px auto;
         
         td {
             padding-top: 15px;
@@ -20,13 +14,4 @@
         }
     }
 
-    button {
-        border: 0!important;
-    }
-
-    .export-control {
-        position: absolute;
-        bottom: 15px;
-        right: 15px;
-    }
 }

src/sass/views/_dialog.scss

@@ -1,29 +1,17 @@
 .view-dialog {
-    padding: 0px;
-    color: $color-grey-dark;    
     max-width: 350px;
     height: auto;
     top: 30%;
 
-    @include respond-to(mobile) {
-        top: 0;
-        max-width: 100%;
-    }
-
     p {
         text-align: center;
         max-width: 80%;
-        margin: 30px auto 70px auto;
+        margin: 30px auto;
     }
 
     .control {
-        position: absolute;
-        bottom: $lightbox-padding;
-        right: $lightbox-padding;
-
         button {
             width: 100px;
-            border: 0!important;
         }
     }
 }

src/sass/views/_set-passphrase.scss

@@ -0,0 +1,25 @@
+.view-set-passphrase {
+
+    .inputs {
+        margin: 40px 60px 30px;
+
+        div {
+            margin: 5px 0;
+        }
+    }
+
+    table {
+        margin: 50px auto 60px auto;
+        
+        td {
+            padding-top: 15px;
+
+            &:first-child {
+                text-align: right;
+                padding-right: 15px;
+                font-weight: bold;
+            }
+        }
+    }
+
+}

src/tpl/account.html

@@ -5,7 +5,8 @@
   </header>
 
   <div class="content">
-    <div class="view-account">
+    <div class="dialog view-account">
+
       <table>
         <tbody>
           <tr>
@@ -26,9 +27,12 @@
           </tr>
         </tbody>
       </table>
-      <div class="export-control">
+
+      <div class="control">
+        <button ng-click="state.account.toggle(false); state.setPassphrase.toggle(true)" class="btn btn-alt">Set passphrase</button>
         <button ng-click="exportKeyFile()" class="btn">Export keypair</button>
       </div>
+
     </div><!-- /.view-account -->
   </div><!-- /.content -->
 </div><!-- /.lightbox-body -->

src/tpl/desktop.html

@@ -25,9 +25,12 @@
 <div class="lightbox-overlay" ng-class="{'show': state.account.open}">
   <div class="lightbox lightbox-effect" ng-include="'tpl/account.html'"></div>
 </div>
+<div class="lightbox-overlay" ng-class="{'show': state.setPassphrase.open}">
+  <div class="lightbox lightbox-effect" ng-include="'tpl/set-passphrase.html'"></div>
+</div>
 <div class="lightbox-overlay" ng-class="{'show': state.contacts.open}">
   <div class="lightbox lightbox-effect" ng-include="'tpl/contacts.html'"></div>
 </div>
 <div class="lightbox-overlay" ng-class="{'show': state.dialog.open}">
-  <div class="lightbox lightbox-effect view-dialog" ng-include="'tpl/dialog.html'"></div>
+  <div class="lightbox lightbox-effect dialog view-dialog" ng-include="'tpl/dialog.html'"></div>
 </div>

src/tpl/login-initial.html

@@ -39,6 +39,5 @@
   <div class="popover-content">
     <p>A passphrase is like a password that protects your PGP key.</p>
     <p>If your device is lost or stolen the passphrase protects the contents of your mailbox.</p>
-    <p>You cannot change your passphrase at a later time.</p>
   </div>
 </div><!--/.popover-->

src/tpl/login-new-device.html

@@ -40,7 +40,7 @@
   <div class="arrow"></div>
   <div class="popover-title"><b>What is this?</b></div>
   <div class="popover-content">
-    <p>The passphrase protects your encrypted mailbox.</p>
+    <p>A passphrase is like a password that protects your PGP key.</p>
     <p>There is no way to access your messages without your passphrase.</p>
     <p>If you have forgotten your passphrase, please request an account reset by sending an email to <b>support@whiteout.io</b>. You will not be able to read previous messages after a reset.</p>
   </div>

src/tpl/set-passphrase.html

@@ -0,0 +1,33 @@
+<div class="lightbox-body" ng-controller="SetPassphraseCtrl">
+  <header>
+    <h2>Set passphrase</h2>
+    <button class="close" ng-click="state.setPassphrase.toggle(false)" data-action="lightbox-close">&#xe007;</button>
+  </header>
+
+  <div class="content">
+    <div class="dialog view-set-passphrase">
+
+      <table>
+        <tbody>
+          <tr>
+            <td><label>Current passphrase</label></td>
+            <td><input class="input-text" type="password" ng-model="oldPassphrase" ng-change="checkPassphraseQuality()" tabindex="1" focus-me="true"></td>
+          </tr>
+          <tr>
+            <td><label>New passphrase</label></td>
+            <td><input class="input-text" type="password" ng-model="newPassphrase" ng-change="checkPassphraseQuality()" tabindex="2"></td>
+          </tr>
+          <tr>
+            <td><label>Confirm passphrase</label></td>
+            <td><input class="input-text" type="password" ng-model="confirmation" ng-class="{'input-text-error': (confirmation || newPassphrase) && confirmation !== newPassphrase}" tabindex="3"></td>
+          </tr>
+        </tbody>
+      </table>
+
+      <div class="control">
+        <button ng-click="setPassphrase()" class="btn" ng-disabled="(confirmation || newPassphrase) && confirmation !== newPassphrase" tabindex="4">Set passphrase</button>
+      </div>
+
+    </div><!-- /.view-set-passphrase -->
+  </div><!-- /.content -->
+</div><!-- /.lightbox-body -->

test/new-unit/account-ctrl-test.js

@@ -5,23 +5,20 @@ define(function(require) {
         angular = require('angular'),
         mocks = require('angularMocks'),
         AccountCtrl = require('js/controller/account'),
-        EmailDAO = require('js/dao/email-dao'),
         PGP = require('js/crypto/pgp'),
         dl = require('js/util/download'),
-        appController = require('js/app-controller');
+        appController = require('js/app-controller'),
+        KeychainDAO = require('js/dao/keychain-dao');
 
     describe('Account Controller unit test', function() {
-        var scope, accountCtrl, origEmailDao, emailDaoMock,
+        var scope, accountCtrl,
             dummyFingerprint, expectedFingerprint,
             dummyKeyId, expectedKeyId,
-            emailAddress,
-            keySize,
-            cryptoMock;
+            emailAddress, keySize, cryptoMock, keychainMock;
 
         beforeEach(function() {
-            origEmailDao = appController._emailDao;
-            appController._emailDao = emailDaoMock = sinon.createStubInstance(EmailDAO);
-            emailDaoMock._crypto = cryptoMock = sinon.createStubInstance(PGP);
+            appController._crypto = cryptoMock = sinon.createStubInstance(PGP);
+            appController._keychain = keychainMock = sinon.createStubInstance(KeychainDAO);
 
             dummyFingerprint = '3A2D39B4E1404190B8B949DE7D7E99036E712926';
             expectedFingerprint = '3A2D 39B4 E140 4190 B8B9 49DE 7D7E 9903 6E71 2926';
@@ -31,10 +28,18 @@ define(function(require) {
             cryptoMock.getKeyId.returns(dummyKeyId);
             emailAddress = 'fred@foo.com';
             keySize = 1234;
-            emailDaoMock._account = {
+            appController._emailDao = {
+                _account: {
                     emailAddress: emailAddress,
                     asymKeySize: keySize
+                }
             };
+            cryptoMock.getKeyParams.returns({
+                _id: dummyKeyId,
+                fingerprint: dummyFingerprint,
+                userId: emailAddress,
+                bitSize: keySize
+            });
 
             angular.module('accounttest', []);
             mocks.module('accounttest');
@@ -47,10 +52,7 @@ define(function(require) {
             });
         });
 
-        afterEach(function() {
-            // restore the module
-            appController._emailDao = origEmailDao;
-        });
+        afterEach(function() {});
 
         describe('scope variables', function() {
             it('should be set correctly', function() {
@@ -63,16 +65,22 @@ define(function(require) {
         describe('export to key file', function() {
             it('should work', function(done) {
                 var createDownloadMock = sinon.stub(dl, 'createDownload');
-                cryptoMock.exportKeys.yields(null, {
-                    publicKeyArmored: 'a',
-                    privateKeyArmored: 'b',
-                    keyId: dummyKeyId
+                keychainMock.getUserKeyPair.withArgs(emailAddress).yields(null, {
+                    publicKey: {
+                        _id: dummyKeyId,
+                        publicKey: 'a'
+                    },
+                    privateKey: {
+                        encryptedKey: 'b'
+                    }
                 });
                 createDownloadMock.withArgs(sinon.match(function(arg) {
                     return arg.content === 'ab' && arg.filename === 'whiteout_mail_' + emailAddress + '_' + expectedKeyId + '.asc' && arg.contentType === 'text/plain';
                 })).yields();
-                scope.onError = function() {
-                    expect(cryptoMock.exportKeys.calledOnce).to.be.true;
+                scope.onError = function(err) {
+                    expect(err.title).to.equal('Success');
+                    expect(scope.state.account.open).to.be.false;
+                    expect(keychainMock.getUserKeyPair.calledOnce).to.be.true;
                     expect(dl.createDownload.calledOnce).to.be.true;
                     dl.createDownload.restore();
                     done();
@@ -82,9 +90,10 @@ define(function(require) {
             });
 
             it('should not work when key export failed', function(done) {
-                cryptoMock.exportKeys.yields(new Error('asdasd'));
-                scope.onError = function() {
-                    expect(cryptoMock.exportKeys.calledOnce).to.be.true;
+                keychainMock.getUserKeyPair.yields(new Error('Boom!'));
+                scope.onError = function(err) {
+                    expect(err.message).to.equal('Boom!');
+                    expect(keychainMock.getUserKeyPair.calledOnce).to.be.true;
                     done();
                 };
 
@@ -93,14 +102,19 @@ define(function(require) {
 
             it('should not work when create download failed', function(done) {
                 var createDownloadMock = sinon.stub(dl, 'createDownload');
-                cryptoMock.exportKeys.yields(null, {
-                    publicKeyArmored: 'a',
-                    privateKeyArmored: 'b',
-                    keyId: dummyKeyId
+                keychainMock.getUserKeyPair.withArgs(emailAddress).yields(null, {
+                    publicKey: {
+                        _id: dummyKeyId,
+                        publicKey: 'a'
+                    },
+                    privateKey: {
+                        encryptedKey: 'b'
+                    }
                 });
                 createDownloadMock.withArgs().yields(new Error('asdasd'));
-                scope.onError = function() {
-                    expect(cryptoMock.exportKeys.calledOnce).to.be.true;
+                scope.onError = function(err) {
+                    expect(err.message).to.equal('asdasd');
+                    expect(keychainMock.getUserKeyPair.calledOnce).to.be.true;
                     expect(dl.createDownload.calledOnce).to.be.true;
                     dl.createDownload.restore();
                     done();

test/new-unit/main.js

@@ -42,6 +42,7 @@ function startTests() {
 			'test/new-unit/dialog-ctrl-test',
 			'test/new-unit/add-account-ctrl-test',
 			'test/new-unit/account-ctrl-test',
+			'test/new-unit/set-passphrase-ctrl-test',
 			'test/new-unit/contacts-ctrl-test',
 			'test/new-unit/login-existing-ctrl-test',
 			'test/new-unit/login-initial-ctrl-test',

test/new-unit/pgp-test.js

@@ -140,6 +140,30 @@ define(function(require) {
                     });
                 });
             });
+
+            it('should fail when passphrases are equal', function(done) {
+                pgp.changePassphrase({
+                    privateKeyArmored: privkey,
+                    oldPassphrase: passphrase,
+                    newPassphrase: passphrase
+                }, function(err, reEncryptedKey) {
+                    expect(err).to.exist;
+                    expect(reEncryptedKey).to.not.exist;
+                    done();
+                });
+            });
+
+            it('should fail when old passphrase is incorrect', function(done) {
+                pgp.changePassphrase({
+                    privateKeyArmored: privkey,
+                    oldPassphrase: 'asd',
+                    newPassphrase: 'yxcv'
+                }, function(err, reEncryptedKey) {
+                    expect(err).to.exist;
+                    expect(reEncryptedKey).to.not.exist;
+                    done();
+                });
+            });
         });
 
         describe('Encrypt/Sign/Decrypt/Verify', function() {
@@ -193,6 +217,15 @@ define(function(require) {
                     expect(params.userId).to.equal("whiteout.test@t-online.de");
                     expect(params.algorithm).to.equal("rsa_encrypt_sign");
                 });
+
+                it('should work without param', function() {
+                    var params = pgp.getKeyParams();
+                    expect(params.fingerprint).to.equal('5856CEF789C3A307E8A1B976F6F60E9B42CDFF4C');
+                    expect(params._id).to.equal("F6F60E9B42CDFF4C");
+                    expect(params.bitSize).to.equal(keySize);
+                    expect(params.userId).to.equal("whiteout.test@t-online.de");
+                    expect(params.algorithm).to.equal("rsa_encrypt_sign");
+                });
             });
 
             describe('Encrypt and sign', function() {

test/new-unit/set-passphrase-ctrl-test.js

@@ -0,0 +1,81 @@
+define(function(require) {
+    'use strict';
+
+    var expect = chai.expect,
+        angular = require('angular'),
+        mocks = require('angularMocks'),
+        SetPassphraseCtrl = require('js/controller/set-passphrase'),
+        PGP = require('js/crypto/pgp'),
+        appController = require('js/app-controller'),
+        KeychainDAO = require('js/dao/keychain-dao');
+
+    describe('Set Passphrase Controller unit test', function() {
+        var scope, setPassphraseCtrl,
+            dummyFingerprint, expectedFingerprint,
+            dummyKeyId, expectedKeyId,
+            emailAddress, keySize, cryptoMock, keychainMock;
+
+        beforeEach(function() {
+            appController._crypto = cryptoMock = sinon.createStubInstance(PGP);
+            appController._keychain = keychainMock = sinon.createStubInstance(KeychainDAO);
+
+            dummyFingerprint = '3A2D39B4E1404190B8B949DE7D7E99036E712926';
+            expectedFingerprint = '3A2D 39B4 E140 4190 B8B9 49DE 7D7E 9903 6E71 2926';
+            dummyKeyId = '9FEB47936E712926';
+            expectedKeyId = '6E712926';
+            cryptoMock.getFingerprint.returns(dummyFingerprint);
+            cryptoMock.getKeyId.returns(dummyKeyId);
+            emailAddress = 'fred@foo.com';
+            keySize = 1234;
+
+            cryptoMock.getKeyParams.returns({
+                _id: dummyKeyId,
+                fingerprint: dummyFingerprint,
+                userId: emailAddress,
+                bitSize: keySize
+            });
+
+            angular.module('setpassphrasetest', []);
+            mocks.module('setpassphrasetest');
+            mocks.inject(function($rootScope, $controller) {
+                scope = $rootScope.$new();
+                scope.state = {};
+                setPassphraseCtrl = $controller(SetPassphraseCtrl, {
+                    $scope: scope
+                });
+            });
+        });
+
+        afterEach(function() {});
+
+        describe('setPassphrase', function() {
+            it('should work', function(done) {
+                scope.oldPassphrase = 'old';
+                scope.newPassphrase = 'new';
+
+                keychainMock.lookupPrivateKey.withArgs(dummyKeyId).yields(null, {
+                    encryptedKey: 'encrypted'
+                });
+
+                cryptoMock.changePassphrase.withArgs({
+                    privateKeyArmored: 'encrypted',
+                    oldPassphrase: 'old',
+                    newPassphrase: 'new'
+                }).yields(null, 'newArmoredKey');
+
+                keychainMock.saveLocalPrivateKey.withArgs({
+                    _id: dummyKeyId,
+                    userId: emailAddress,
+                    encryptedKey: 'newArmoredKey'
+                }).yields();
+
+                scope.onError = function(err) {
+                    expect(err.title).to.equal('Success');
+                    done();
+                };
+
+                scope.setPassphrase();
+            });
+        });
+    });
+});