fixes

src/message.js

@@ -170,6 +170,15 @@ Message.prototype.getLiteralData = function() {
   return literal && literal.data || null;
 };
 
+/**
+ * Get filename from literal data packet
+ * @return {(String|null)} filename of literal data packet as string
+ */
+Message.prototype.getFilename = function() {
+  var literal = this.packets.findPacket(enums.packet.literal);
+  return literal && literal.getFilename() || null;
+};
+
 /**
  * Get literal data as text
  * @return {(String|null)} literal body of the message interpreted as text

src/openpgp.js

@@ -105,11 +105,12 @@ function encryptMessage(keys, data, passwords, params) {
     msg = msg.encrypt(keys, passwords);
 
     if(packets) {
-      var arr = [];
       var dataIndex = msg.packets.indexOfTag(enums.packet.symmetricallyEncrypted, enums.packet.symEncryptedIntegrityProtected)[0];
-      arr.push(msg.packets.slice(0,dataIndex).write()); // Keys
+      var obj = {
-      arr.push(msg.packets.slice(dataIndex,msg.packets.length).write()); // Data
+        keys: msg.packets.slice(0,dataIndex).write(),
-      return arr;
+        data: msg.packets.slice(dataIndex,msg.packets.length).write()
+      };
+      return obj;
     } 
     else {
       return armor.encode(enums.armor.message, msg.packets.write());
@@ -195,7 +196,7 @@ function decryptMessage(privateKey, msg, params) {
     if(binary) {
       var obj = {
         data: msg.getLiteralData(),
-        filename: msg.filename
+        filename: msg.getFilename()
       };
       return obj;
     }

test/general/basic.js

@@ -266,7 +266,7 @@ describe('Basic', function() {
       openpgp.encryptMessage([pubKey], plaintext, [password1, password2], params).then(function(encrypted) {
 
         expect(encrypted).to.exist;
-        encrypted = encrypted.join('');
+        encrypted = encrypted.keys+encrypted.data;
         encrypted = openpgp.armor.encode(openpgp.enums.armor.message, encrypted);
         message = openpgp.message.readArmored(encrypted);