Merge pull request #1 from openpgpjs/master

Pull updates

.gitignore

@@ -5,5 +5,7 @@ npm*
 src/compression/
 test/lib/
 dist/
+dist/*.tgz
+dist/*_debug.js
 openpgp.store/
 doc/

Gruntfile.js

@@ -1,5 +1,7 @@
 module.exports = function(grunt) {
 
+  var version = grunt.option('release');
+
   // Project configuration.
   grunt.initConfig({
     pkg: grunt.file.readJSON('package.json'),
@@ -150,6 +152,34 @@ module.exports = function(grunt) {
   grunt.loadNpmTasks('grunt-contrib-clean');
   grunt.loadNpmTasks('grunt-contrib-connect');
 
+  grunt.registerTask('set_version', function() {
+    if (!version) {
+      throw new Error('You must specify the version: "--release=1.0.0"');
+    }
+
+    patchFile({
+      fileName: 'package.json',
+      version: version
+    });
+
+    patchFile({
+      fileName: 'bower.json',
+      version: version
+    });
+  });
+
+  function patchFile(options) {
+    var fs = require('fs'),
+      path = './' + options.fileName,
+      file = require(path);
+
+    if (options.version) {
+      file.version = options.version;
+    }
+
+    fs.writeFileSync(path, JSON.stringify(file, null, 2));
+  }
+
   grunt.registerTask('default', 'Build OpenPGP.js', function() {
     grunt.task.run(['clean', 'copy:zlib', 'browserify', 'replace', 'uglify', 'npm_pack']);
     //TODO jshint is not run because of too many discovered issues, once these are addressed it should autorun
@@ -187,6 +217,6 @@ module.exports = function(grunt) {
     npm.stderr.pipe(process.stderr);
   });
 
-    // Test/Dev tasks
+  // Test/Dev tasks
   grunt.registerTask('test', ['copy:npm', 'mochaTest', 'mocha_phantomjs']);
 };

README.md

@@ -18,7 +18,7 @@ For use in browser, install via bower:
 
     bower install --save openpgp
 
-Or Fetch a minified build under [releases](https://github.com/openpgpjs/openpgpjs/releases).
+Or Fetch a minified build under [dist](https://github.com/openpgpjs/openpgpjs/tree/master/dist).
 
 The library can be loaded via  AMD/require.js or accessed globally via `window.openpgp`.
 

bower.json

@@ -1,12 +1,17 @@
 {
-  "name": "openpgpjs",
-  "version": "0.7.2",
+  "name": "openpgp",
+  "version": "0.11.0",
   "homepage": "http://openpgpjs.org/",
   "authors": [
     "OpenPGP Development Team <list@openpgpjs.org> (https://github.com/openpgpjs/openpgpjs/graphs/contributors)"
   ],
   "description": "OpenPGP.js is a Javascript implementation of the OpenPGP protocol. This is defined in RFC 4880.",
-  "main": "src/index.js",
+  "main": [
+    "dist/openpgp.js",
+    "dist/openpgp.worker.js",
+    "dist/openpgp.min.js",
+    "dist/openpgp.worker.min.js"
+  ],
   "moduleType": [
     "amd",
     "es6",
@@ -23,13 +28,12 @@
   "license": "LGPL 3.0 or any later version",
   "ignore": [
     "**/.*",
-    "dist/openpgp*.tgz",
+    "dist/*.tgz",
+    "dist/*_debug.js",
     "node_modules",
     "bower_components",
     "test",
     "tests",
-    "dist",
     "doc"
   ]
 }
-

dist/openpgp.worker.js

@@ -0,0 +1,193 @@
+;(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
+// GPG4Browsers - An OpenPGP implementation in javascript
+// Copyright (C) 2011 Recurity Labs GmbH
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 3.0 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+window = {}; // to make UMD bundles work
+
+// Mozilla bind polyfill because phantomjs is stupid
+if (!Function.prototype.bind) {
+  Function.prototype.bind = function(oThis) {
+    if (typeof this !== "function") {
+      // closest thing possible to the ECMAScript 5 internal IsCallable function
+      throw new TypeError("Function.prototype.bind - what is trying to be bound is not callable");
+    }
+
+    var aArgs = Array.prototype.slice.call(arguments, 1),
+        fToBind = this,
+        FNOP = function() {},
+        fBound = function() {
+          return fToBind.apply(this instanceof FNOP && oThis ? this : oThis, aArgs.concat(Array.prototype.slice.call(arguments)));
+        };
+
+    FNOP.prototype = this.prototype;
+    fBound.prototype = new FNOP();
+
+    return fBound;
+  };
+}
+
+importScripts('openpgp.js');
+
+var MIN_SIZE_RANDOM_BUFFER = 40000;
+var MAX_SIZE_RANDOM_BUFFER = 60000;
+
+window.openpgp.crypto.random.randomBuffer.init(MAX_SIZE_RANDOM_BUFFER);
+
+self.onmessage = function (event) {
+  var data = null,
+      err = null,
+      msg = event.data,
+      correct = false;
+
+  switch (msg.event) {
+    case 'configure':
+      for (var i in msg.config) {
+        window.openpgp.config[i] = msg.config[i];
+      }
+      break;
+    case 'seed-random':
+      if (!(msg.buf instanceof Uint8Array)) {
+        msg.buf = new Uint8Array(msg.buf);
+      }
+      window.openpgp.crypto.random.randomBuffer.set(msg.buf);
+      break;
+    case 'encrypt-message':
+      if (!msg.keys.length) {
+        msg.keys = [msg.keys];
+      }
+      msg.keys = msg.keys.map(packetlistCloneToKey);
+      window.openpgp.encryptMessage(msg.keys, msg.text).then(function(data) {
+        response({event: 'method-return', data: data});
+      }).catch(function(e) {
+        response({event: 'method-return', err: e.message});
+      });
+      break;
+    case 'sign-and-encrypt-message':
+      if (!msg.publicKeys.length) {
+        msg.publicKeys = [msg.publicKeys];
+      }
+      msg.publicKeys = msg.publicKeys.map(packetlistCloneToKey);
+      msg.privateKey = packetlistCloneToKey(msg.privateKey);
+      window.openpgp.signAndEncryptMessage(msg.publicKeys, msg.privateKey, msg.text).then(function(data) {
+        response({event: 'method-return', data: data});
+      }).catch(function(e) {
+        response({event: 'method-return', err: e.message});
+      });
+      break;
+    case 'decrypt-message':
+      msg.privateKey = packetlistCloneToKey(msg.privateKey);
+      msg.message = packetlistCloneToMessage(msg.message.packets);
+      window.openpgp.decryptMessage(msg.privateKey, msg.message).then(function(data) {
+        response({event: 'method-return', data: data});
+      }).catch(function(e) {
+        response({event: 'method-return', err: e.message});
+      });
+      break;
+    case 'decrypt-and-verify-message':
+      msg.privateKey = packetlistCloneToKey(msg.privateKey);
+      if (!msg.publicKeys.length) {
+        msg.publicKeys = [msg.publicKeys];
+      }
+      msg.publicKeys = msg.publicKeys.map(packetlistCloneToKey);
+      msg.message = packetlistCloneToMessage(msg.message.packets);
+      window.openpgp.decryptAndVerifyMessage(msg.privateKey, msg.publicKeys, msg.message).then(function(data) {
+        response({event: 'method-return', data: data});
+      }).catch(function(e) {
+        response({event: 'method-return', err: e.message});
+      });
+      break;
+    case 'sign-clear-message':
+      msg.privateKeys = msg.privateKeys.map(packetlistCloneToKey);
+      window.openpgp.signClearMessage(msg.privateKeys, msg.text).then(function(data) {
+        response({event: 'method-return', data: data});
+      }).catch(function(e) {
+        response({event: 'method-return', err: e.message});
+      });
+      break;
+    case 'verify-clear-signed-message':
+      if (!msg.publicKeys.length) {
+        msg.publicKeys = [msg.publicKeys];
+      }
+      msg.publicKeys = msg.publicKeys.map(packetlistCloneToKey);
+      var packetlist = window.openpgp.packet.List.fromStructuredClone(msg.message.packets);
+      msg.message = new window.openpgp.cleartext.CleartextMessage(msg.message.text, packetlist);
+      window.openpgp.verifyClearSignedMessage(msg.publicKeys, msg.message).then(function(data) {
+        response({event: 'method-return', data: data});
+      }).catch(function(e) {
+        response({event: 'method-return', err: e.message});
+      });
+      break;
+    case 'generate-key-pair':
+      window.openpgp.generateKeyPair(msg.options).then(function(data) {
+        data.key = data.key.toPacketlist();
+        response({event: 'method-return', data: data});
+      }).catch(function(e) {
+        response({event: 'method-return', err: e.message});
+      });
+      break;
+    case 'decrypt-key':
+      try {
+        msg.privateKey = packetlistCloneToKey(msg.privateKey);
+        correct = msg.privateKey.decrypt(msg.password);
+        if (correct) {
+          data = msg.privateKey.toPacketlist();
+        } else {
+          err = 'Wrong password';
+        }
+      } catch (e) {
+        err = e.message;
+      }
+      response({event: 'method-return', data: data, err: err});
+      break;
+    case 'decrypt-key-packet':
+      try {
+        msg.privateKey = packetlistCloneToKey(msg.privateKey);
+        msg.keyIds = msg.keyIds.map(window.openpgp.Keyid.fromClone);
+        correct = msg.privateKey.decryptKeyPacket(msg.keyIds, msg.password);
+        if (correct) {
+          data = msg.privateKey.toPacketlist();
+        } else {
+          err = 'Wrong password';
+        }
+      } catch (e) {
+        err = e.message;
+      }
+      response({event: 'method-return', data: data, err: err});
+      break;
+    default:
+      throw new Error('Unknown Worker Event.');
+  }
+};
+
+function response(event) {
+  if (window.openpgp.crypto.random.randomBuffer.size < MIN_SIZE_RANDOM_BUFFER) {
+    postMessage({event: 'request-seed'});
+  }
+  postMessage(event);
+}
+
+function packetlistCloneToKey(packetlistClone) {
+  var packetlist = window.openpgp.packet.List.fromStructuredClone(packetlistClone);
+  return new window.openpgp.key.Key(packetlist);
+}
+
+function packetlistCloneToMessage(packetlistClone) {
+  var packetlist = window.openpgp.packet.List.fromStructuredClone(packetlistClone);
+  return new window.openpgp.message.Message(packetlist);
+}
+},{}]},{},[1])
+;

dist/openpgp.worker.min.js

@@ -0,0 +1 @@
+/*! OpenPGPjs.org  this is LGPL licensed code, see LICENSE/our website for more information.- v0.11.0 - 2015-02-16 */!function a(b,c,d){function e(g,h){if(!c[g]){if(!b[g]){var i="function"==typeof require&&require;if(!h&&i)return i(g,!0);if(f)return f(g,!0);throw new Error("Cannot find module '"+g+"'")}var j=c[g]={exports:{}};b[g][0].call(j.exports,function(a){var c=b[g][1][a];return e(c?c:a)},j,j.exports,a,b,c,d)}return c[g].exports}for(var f="function"==typeof require&&require,g=0;g<d.length;g++)e(d[g]);return e}({1:[function(){function a(a){window.openpgp.crypto.random.randomBuffer.size<d&&postMessage({event:"request-seed"}),postMessage(a)}function b(a){var b=window.openpgp.packet.List.fromStructuredClone(a);return new window.openpgp.key.Key(b)}function c(a){var b=window.openpgp.packet.List.fromStructuredClone(a);return new window.openpgp.message.Message(b)}window={},Function.prototype.bind||(Function.prototype.bind=function(a){if("function"!=typeof this)throw new TypeError("Function.prototype.bind - what is trying to be bound is not callable");var b=Array.prototype.slice.call(arguments,1),c=this,d=function(){},e=function(){return c.apply(this instanceof d&&a?this:a,b.concat(Array.prototype.slice.call(arguments)))};return d.prototype=this.prototype,e.prototype=new d,e}),importScripts("openpgp.min.js");var d=4e4,e=6e4;window.openpgp.crypto.random.randomBuffer.init(e),self.onmessage=function(d){var e=null,f=null,g=d.data,h=!1;switch(g.event){case"configure":for(var i in g.config)window.openpgp.config[i]=g.config[i];break;case"seed-random":g.buf instanceof Uint8Array||(g.buf=new Uint8Array(g.buf)),window.openpgp.crypto.random.randomBuffer.set(g.buf);break;case"encrypt-message":g.keys.length||(g.keys=[g.keys]),g.keys=g.keys.map(b),window.openpgp.encryptMessage(g.keys,g.text).then(function(b){a({event:"method-return",data:b})})["catch"](function(b){a({event:"method-return",err:b.message})});break;case"sign-and-encrypt-message":g.publicKeys.length||(g.publicKeys=[g.publicKeys]),g.publicKeys=g.publicKeys.map(b),g.privateKey=b(g.privateKey),window.openpgp.signAndEncryptMessage(g.publicKeys,g.privateKey,g.text).then(function(b){a({event:"method-return",data:b})})["catch"](function(b){a({event:"method-return",err:b.message})});break;case"decrypt-message":g.privateKey=b(g.privateKey),g.message=c(g.message.packets),window.openpgp.decryptMessage(g.privateKey,g.message).then(function(b){a({event:"method-return",data:b})})["catch"](function(b){a({event:"method-return",err:b.message})});break;case"decrypt-and-verify-message":g.privateKey=b(g.privateKey),g.publicKeys.length||(g.publicKeys=[g.publicKeys]),g.publicKeys=g.publicKeys.map(b),g.message=c(g.message.packets),window.openpgp.decryptAndVerifyMessage(g.privateKey,g.publicKeys,g.message).then(function(b){a({event:"method-return",data:b})})["catch"](function(b){a({event:"method-return",err:b.message})});break;case"sign-clear-message":g.privateKeys=g.privateKeys.map(b),window.openpgp.signClearMessage(g.privateKeys,g.text).then(function(b){a({event:"method-return",data:b})})["catch"](function(b){a({event:"method-return",err:b.message})});break;case"verify-clear-signed-message":g.publicKeys.length||(g.publicKeys=[g.publicKeys]),g.publicKeys=g.publicKeys.map(b);var j=window.openpgp.packet.List.fromStructuredClone(g.message.packets);g.message=new window.openpgp.cleartext.CleartextMessage(g.message.text,j),window.openpgp.verifyClearSignedMessage(g.publicKeys,g.message).then(function(b){a({event:"method-return",data:b})})["catch"](function(b){a({event:"method-return",err:b.message})});break;case"generate-key-pair":window.openpgp.generateKeyPair(g.options).then(function(b){b.key=b.key.toPacketlist(),a({event:"method-return",data:b})})["catch"](function(b){a({event:"method-return",err:b.message})});break;case"decrypt-key":try{g.privateKey=b(g.privateKey),h=g.privateKey.decrypt(g.password),h?e=g.privateKey.toPacketlist():f="Wrong password"}catch(k){f=k.message}a({event:"method-return",data:e,err:f});break;case"decrypt-key-packet":try{g.privateKey=b(g.privateKey),g.keyIds=g.keyIds.map(window.openpgp.Keyid.fromClone),h=g.privateKey.decryptKeyPacket(g.keyIds,g.password),h?e=g.privateKey.toPacketlist():f="Wrong password"}catch(k){f=k.message}a({event:"method-return",data:e,err:f});break;default:throw new Error("Unknown Worker Event.")}}},{}]},{},[1]);

package.json

@@ -1,7 +1,7 @@
 {
   "name": "openpgp",
   "description": "OpenPGP.js is a Javascript implementation of the OpenPGP protocol. This is defined in RFC 4880.",
-  "version": "0.9.0",
+  "version": "0.11.0",
   "homepage": "http://openpgpjs.org/",
   "engines": {
     "node": ">=0.8"
@@ -18,6 +18,10 @@
   },
   "files": [
     "src/",
+    "dist/openpgp.js",
+    "dist/openpgp.worker.js",
+    "dist/openpgp.min.js",
+    "dist/openpgp.worker.min.js",
     "test/unittests.js",
     "test/general",
     "test/crypto"

release.sh

@@ -0,0 +1,34 @@
+#!/bin/sh
+
+# abort if tests fail
+set -e
+
+# go to root
+cd `dirname $0`
+
+if [ "$#" -ne 1 ] ; then
+    echo 'Usage: ./release.sh 0.0.0'
+    exit 0
+fi
+
+# install dependencies
+rm -rf node_modules/
+npm install
+
+# set version
+grunt set_version --release=$1
+
+# build and test
+npm test
+
+# Add build files to git
+sed -i "" '/^dist\/$/d' .gitignore
+git add dist/ *.json
+git commit -m "Release new version"
+git checkout .gitignore
+git tag v$1
+git push
+git push --tag
+
+# publish to npm
+npm publish

src/config/config.js

@@ -37,6 +37,7 @@ module.exports = {
   compression: enums.compression.zip,
   integrity_protect: true,
   rsa_blinding: true,
+  useWebCrypto: true,
 
   show_version: true,
   show_comment: true,

src/crypto/public_key/dsa.js

@@ -102,14 +102,18 @@ function DSA() {
   function verify(hashalgo, s1, s2, m, p, q, g, y) {
     var hashed_data = util.getLeftNBits(hashModule.digest(hashalgo, m), q.bitLength());
     var hash = new BigInteger(util.hexstrdump(hashed_data), 16);
-    if (BigInteger.ZERO.compareTo(s1) > 0 ||
-      s1.compareTo(q) > 0 ||
-      BigInteger.ZERO.compareTo(s2) > 0 ||
-      s2.compareTo(q) > 0) {
+    if (BigInteger.ZERO.compareTo(s1) >= 0 ||
+      s1.compareTo(q) >= 0 ||
+      BigInteger.ZERO.compareTo(s2) >= 0 ||
+      s2.compareTo(q) >= 0) {
       util.print_debug("invalid DSA Signature");
       return null;
     }
     var w = s2.modInverse(q);
+    if (BigInteger.ZERO.compareTo(w) == 0) {
+      util.print_debug("invalid DSA Signature");
+      return null;
+    }
     var u1 = hash.multiply(w).mod(q);
     var u2 = s1.multiply(w).mod(q);
     return g.modPow(u1, p).multiply(y.modPow(u2, p)).mod(p).mod(q);

src/crypto/public_key/rsa.js

@@ -135,7 +135,6 @@ function RSA() {
 
   function generate(B, E) {
     var webCrypto = util.getWebCrypto();
-    var promise;
 
     //
     // Native RSA keygen using Web Crypto
@@ -144,22 +143,41 @@ function RSA() {
     if (webCrypto) {
       var Euint32 = new Uint32Array([parseInt(E, 16)]); // get integer of exponent
       var Euint8 = new Uint8Array(Euint32.buffer); // get bytes of exponent
-      var keyGenOpt = {
-        name: 'RSASSA-PKCS1-v1_5',
-        modulusLength: B, // the specified keysize in bits
-        publicExponent: Euint8.subarray(0, 3), // take three bytes (max 65537)
-        hash: {
-          name: 'SHA-1' // not required for actual RSA keys, but for crypto api 'sign' and 'verify'
-        }
-      };
-      promise = webCrypto.generateKey(keyGenOpt, true, ['sign', 'verify']);
-      return promise.then(exportKey).then(decodeKey);
+      var keyGenOpt;
+
+      if (window.crypto.subtle) {
+        // current standard spec
+        keyGenOpt = {
+          name: 'RSASSA-PKCS1-v1_5',
+          modulusLength: B, // the specified keysize in bits
+          publicExponent: Euint8.subarray(0, 3), // take three bytes (max 65537)
+          hash: {
+            name: 'SHA-1' // not required for actual RSA keys, but for crypto api 'sign' and 'verify'
+          }
+        };
+        return webCrypto.generateKey(keyGenOpt, true, ['sign', 'verify']).then(exportKey).then(decodeKey);
+
+      } else if (window.crypto.webkitSubtle) {
+        // outdated spec implemented by Webkit
+        keyGenOpt = {
+          name: 'RSA-OAEP',
+          modulusLength: B, // the specified keysize in bits
+          publicExponent: Euint8.subarray(0, 3), // take three bytes (max 65537)
+        };
+        return webCrypto.generateKey(keyGenOpt, true, ['encrypt', 'decrypt']).then(exportKey).then(function(key) {
+          if (key instanceof ArrayBuffer) {
+            // parse raw ArrayBuffer bytes to jwk/json (WebKit/Safari quirk)
+            return decodeKey(JSON.parse(String.fromCharCode.apply(null, new Uint8Array(key))));
+          }
+          return decodeKey(key);
+        });
+      }
     }
 
-    function exportKey(key) {
+    function exportKey(keypair) {
       // export the generated keys as JsonWebKey (JWK)
       // https://tools.ietf.org/html/draft-ietf-jose-json-web-key-33
-      return webCrypto.exportKey('jwk', key.privateKey);
+      return webCrypto.exportKey('jwk', keypair.privateKey);
     }
 
     function decodeKey(jwk) {
@@ -185,7 +203,7 @@ function RSA() {
     // JS code
     //
 
-    promise = new Promise(function(resolve) {
+    return new Promise(function(resolve) {
       var key = new keyObject();
       var rng = new SecureRandom();
       var qs = B >> 1;
@@ -223,8 +241,6 @@ function RSA() {
 
       resolve(key);
     });
-
-    return promise;
   }
 
   this.encrypt = encrypt;

src/openpgp.js

@@ -46,14 +46,32 @@ if (typeof Promise === 'undefined') {
   require('es6-promise').polyfill();
 }
 
-var asyncProxy; // instance of the asyncproxy
+var asyncProxy = null; // instance of the asyncproxy
 
 /**
  * Set the path for the web worker script and create an instance of the async proxy
- * @param {String} path relative path to the worker scripts
+ * @param {String} path relative path to the worker scripts, default: 'openpgp.worker.js'
+ * @param {Object} [options.worker=Object] alternative to path parameter:
+ *                                         web worker initialized with 'openpgp.worker.js'
+ * @return {Boolean} true if worker created successfully
  */
-function initWorker(path) {
-  asyncProxy = new AsyncProxy(path);
+function initWorker(path, options) {
+  if (options && options.worker || typeof window !== 'undefined' && window.Worker) {
+    options = options || {};
+    options.config = this.config;
+    asyncProxy = new AsyncProxy(path, options);
+    return true;
+  } else {
+    return false;
+  }
+}
+
+/**
+ * Returns a reference to the async proxy if the worker was initialized with openpgp.initWorker()
+ * @return {module:worker/async_proxy~AsyncProxy|null} the async proxy or null if not initialized
+ */
+function getWorker() {
+  return asyncProxy;
 }
 
 /**
@@ -68,7 +86,7 @@ function encryptMessage(keys, text) {
     keys = [keys];
   }
 
-  if (useWorker()) {
+  if (asyncProxy) {
     return asyncProxy.encryptMessage(keys, text);
   }
 
@@ -95,7 +113,7 @@ function signAndEncryptMessage(publicKeys, privateKey, text) {
     publicKeys = [publicKeys];
   }
 
-  if (useWorker()) {
+  if (asyncProxy) {
     return asyncProxy.signAndEncryptMessage(publicKeys, privateKey, text);
   }
 
@@ -119,7 +137,7 @@ function signAndEncryptMessage(publicKeys, privateKey, text) {
  * @static
  */
 function decryptMessage(privateKey, msg) {
-  if (useWorker()) {
+  if (asyncProxy) {
     return asyncProxy.decryptMessage(privateKey, msg);
   }
 
@@ -145,7 +163,7 @@ function decryptAndVerifyMessage(privateKey, publicKeys, msg) {
     publicKeys = [publicKeys];
   }
 
-  if (useWorker()) {
+  if (asyncProxy) {
     return asyncProxy.decryptAndVerifyMessage(privateKey, publicKeys, msg);
   }
 
@@ -174,7 +192,7 @@ function signClearMessage(privateKeys, text) {
     privateKeys = [privateKeys];
   }
 
-  if (useWorker()) {
+  if (asyncProxy) {
     return asyncProxy.signClearMessage(privateKeys, text);
   }
 
@@ -199,7 +217,7 @@ function verifyClearSignedMessage(publicKeys, msg) {
     publicKeys = [publicKeys];
   }
 
-  if (useWorker()) {
+  if (asyncProxy) {
     return asyncProxy.verifyClearSignedMessage(publicKeys, msg);
   }
 
@@ -229,7 +247,7 @@ function verifyClearSignedMessage(publicKeys, msg) {
  */
 function generateKeyPair(options) {
   // use web worker if web crypto apis are not supported
-  if (!util.getWebCrypto() && useWorker()) {
+  if (!util.getWebCrypto() && asyncProxy) {
     return asyncProxy.generateKeyPair(options);
   }
 
@@ -259,22 +277,6 @@ function generateKeyPair(options) {
 // helper functions
 //
 
-/**
- * Are we in a browser and do we support worker?
- */
-function useWorker() {
-  if (typeof window === 'undefined' || !window.Worker) {
-    return false;
-  }
-
-  if (!asyncProxy) {
-    console.log('You need to set the worker path!');
-    return false;
-  }
-
-  return true;
-}
-
 /**
  * Command pattern that wraps synchronous code into a promise
  * @param  {function} cmd     The synchronous function with a return value
@@ -307,6 +309,7 @@ function onError(message, error) {
 }
 
 exports.initWorker = initWorker;
+exports.getWorker = getWorker;
 exports.encryptMessage = encryptMessage;
 exports.signAndEncryptMessage = signAndEncryptMessage;
 exports.decryptMessage = decryptMessage;

src/type/keyid.js

@@ -71,3 +71,9 @@ module.exports.fromClone = function (clone) {
   keyid.bytes = clone.bytes;
   return keyid;
 };
+
+module.exports.fromId = function (hex) {
+  var keyid = new Keyid();
+  keyid.read(util.hex2bin(hex));
+  return keyid;
+};

src/util.js

@@ -320,8 +320,8 @@ module.exports = {
       return;
     }
 
-    if (typeof window !== 'undefined' && window.crypto && window.crypto.subtle) {
-      return window.crypto.subtle;
+    if (typeof window !== 'undefined' && window.crypto) {
+      return window.crypto.subtle || window.crypto.webkitSubtle;
     }
   }
 };

src/worker/async_proxy.js

@@ -38,9 +38,16 @@ var INITIAL_RANDOM_SEED = 50000, // random bytes seeded to worker
  * Initializes a new proxy and loads the web worker
  * @constructor
  * @param {String} path The path to the worker or 'openpgp.worker.js' by default
+ * @param {Object} [options.config=Object] config The worker configuration
+ * @param {Object} [options.worker=Object] alternative to path parameter:
+ *                                         web worker initialized with 'openpgp.worker.js'
  */
-function AsyncProxy(path) {
-  this.worker = new Worker(path || 'openpgp.worker.js');
+function AsyncProxy(path, options) {
+  if (options && options.worker) {
+    this.worker = options.worker;
+  } else {
+    this.worker = new Worker(path || 'openpgp.worker.js');
+  }
   this.worker.onmessage = this.onMessage.bind(this);
   this.worker.onerror = function(e) {
     throw new Error('Unhandled error in openpgp worker: ' + e.message + ' (' + e.filename + ':' + e.lineno + ')');
@@ -48,6 +55,9 @@ function AsyncProxy(path) {
   this.seedRandom(INITIAL_RANDOM_SEED);
   // FIFO
   this.tasks = [];
+  if (options && options.config) {
+    this.worker.postMessage({event: 'configure', config: options.config});
+  }
 }
 
 /**

src/worker/worker.js

@@ -53,6 +53,11 @@ self.onmessage = function (event) {
       correct = false;
 
   switch (msg.event) {
+    case 'configure':
+      for (var i in msg.config) {
+        window.openpgp.config[i] = msg.config[i];
+      }
+      break;
     case 'seed-random':
       if (!(msg.buf instanceof Uint8Array)) {
         msg.buf = new Uint8Array(msg.buf);

test/worker/api.js

@@ -172,6 +172,25 @@ var priv_key_de =
     expect(privKeyDE).to.exist;
   }
 
+describe('Init Worker', function() {
+
+  this.timeout(0);
+
+  it('openpgp.getWorker method', function (done) {
+    expect(openpgp.getWorker()).to.be.null;
+    var workerAvailable = openpgp.initWorker('../dist/openpgp.worker.js');
+    expect(workerAvailable).to.be.true;
+    expect(openpgp.getWorker()).to.exist;
+    privKeyRSA = openpgp.key.readArmored(priv_key_rsa).keys[0];
+    expect(privKeyRSA.primaryKey.isDecrypted).to.be.false;
+    openpgp.getWorker().decryptKeyPacket(privKeyRSA, [privKeyRSA.primaryKey.getKeyId()], 'hello world').then(function(key) {
+      expect(key.primaryKey.isDecrypted).to.be.true;
+      done();
+    }).catch(done);
+  });
+
+});
+
 describe('High level API', function() {
 
   this.timeout(0);
@@ -181,8 +200,21 @@ describe('High level API', function() {
     initKeys();
   });
 
-  describe('Encryption', function() {
+  describe('Main', function(){
+    it('Configuration', function(done){
+      openpgp.config.show_version = false;
+      openpgp.config.commentstring = 'different';
+      openpgp.initWorker('../dist/openpgp.worker.js');
+      openpgp.encryptMessage([pubKeyRSA], plaintext).then(function(data) {
+        expect(data).to.exist;
+        expect(data).not.to.match(/^Version:/);
+        expect(data).to.match(/Comment: different/);
+        done();
+      });
+    });
+  });
 
+  describe('Encryption', function() {
     it('RSA: encryptMessage async', function (done) {
       openpgp.encryptMessage([pubKeyRSA], plaintext).then(function(data) {
         expect(data).to.exist;