Strange Error

README.md

@@ -1,3 +1,11 @@
+Preface
+============
+This is a fork of https://github.com/Multibit-Legacy/read-multibit-wallet-file that includes 
+a fix for the `TypeError: Cannot read property 'fromPrivate' of undefined` error (and maybe a few others) mentioned in [this thread](https://github.com/Multibit-Legacy/read-multibit-wallet-file/pull/1). Although I have a [pull request](https://github.com/Multibit-Legacy/read-multibit-wallet-file/pull/2) pending with this fix, the original project seems to be abandoned. Everything below is from the original project's `readme` except for where I renamed `mbexport` to `mbexport-rd` (as that is the npm package with this fix).
+
+---
+---
+
 A simple command line tool that exports the private Keys from a Multibit
 wallet file. The reason this tool exists is because Multibit is out of
 date and has known bugs. Exporting the private keys or wallet words from
@@ -9,7 +17,7 @@ Installation
 1. Install node version 6 or higher. You can get it from
    https://nodejs.org/en/download/.
 2. Open a command prompt and install this utility:
-   ```npm install -g mbexport```
+   ```npm install -g mbexport-rd```
 
 Now you are ready to export the private keys from your wallet.
 
@@ -49,21 +57,21 @@ Exporting Your Keys
 ===================
 Open a command prompt and type the following command:
 
-```mbexport <path-to-wallet-file>```
+```mbexport-rd <path-to-wallet-file>```
 
 For example, if you are using Multibit HD on MacOS, you would type
 something like:
 
-```mbexport ~/Library/Application\ Support/MultiBitHD/mbhd-aff7bb4a-8a5d9101-e7e97974-f999c7fb-53795c76/mbhd.wallet.aes```
+```mbexport-rd ~/Library/Application\ Support/MultiBitHD/mbhd-aff7bb4a-8a5d9101-e7e97974-f999c7fb-53795c76/mbhd.wallet.aes```
 
 TIP: If you can find the wallet file in the file explorer application,
-you can type ```mbexport ``` in the command prompt, then drag the file
+you can type ```mbexport-rd ``` in the command prompt, then drag the file
 from explorer to the command prompt. It should fill in the long file
 name for you.
 
-When you run ```mbexport```, it will ask you to enter the passphrase
+When you run ```mbexport-rd```, it will ask you to enter the passphrase
 for your wallet. Once you do will list any private keys and mnemonic
-seeds that it finds in the file. If you run ```mbexport``` on a
+seeds that it finds in the file. If you run ```mbexport-rd``` on a
 Multibit Classic file, the output will look simliar to this:
 
 ```
@@ -82,24 +90,6 @@ Enter your passphrase: ***
 measure swim globe radio reunion awful reflect tail produce treat cluster spot
 ```
 
-Multibit (Classic)
-==================
-
-Importing to Electrum
----------------------
-Details coming soon
-
-MultibitHD
-==========
-
-Importing to Electrum
----------------------
-Details coming soon
-
-Importing to Bread Wallet
--------------------------
-Details coming soon
-
 
 ````
 This tool and these instructions are distributed under the MIT License

build/aes-cbc-decrypter.js

@@ -3,7 +3,6 @@ Object.defineProperty(exports, "__esModule", { value: true });
 var scrypt_encryption_key_1 = require("./scrypt-encryption-key");
 var crypto = require("crypto");
 var ByteBuffer = require("bytebuffer");
-var FRAGMENT_SIZE = 16;
 var Decrypter = (function () {
     function Decrypter(key) {
         this.key = key;
@@ -21,9 +20,11 @@ var Decrypter = (function () {
     Decrypter.prototype.decrypt = function (data, iv) {
         return this.initialize(iv)
             .then(function (aesCbc) {
+            var mainBuffer = aesCbc.update(Buffer.from(data.toBuffer()));
+            var finalBuffer = aesCbc.final();
             var decrypted = Buffer.concat([
-                aesCbc.update(Buffer.from(data.toBuffer())),
-                aesCbc.final()
+                mainBuffer,
+                finalBuffer
             ]);
             return ByteBuffer.wrap(decrypted);
         });
@@ -32,8 +33,7 @@ var Decrypter = (function () {
         return this.key.keyPromise
             .then(function (key) {
             return crypto.createDecipheriv('aes-256-cbc', key.toBuffer(), iv.toBuffer());
-        })
-            .catch(function () { return console.log('whoa. fail.'); });
+        });
     };
     return Decrypter;
 }());

build/mbexport → build/mbexport-rd

@@ -7,6 +7,10 @@ var aes_cbc_decrypter_1 = require("./aes-cbc-decrypter");
 var fs = require("fs");
 var bcoin = require("bcoin");
 var prompt = require('prompt');
+var FIXED_IV = ByteBuffer.wrap(new Uint8Array([
+    0xa3, 0x44, 0x39, 0x1f, 0x53, 0x83, 0x11, 0xb3,
+    0x29, 0x54, 0x86, 0x16, 0xc4, 0x89, 0x72, 0x3e
+]));
 prompt.message = '';
 prompt.delimiter = '';
 var Wallet = require('../build/wallet').wallet.Wallet;
@@ -41,14 +45,23 @@ try {
 }
 catch (e) {
     console.log('MultibitHD wallet opened');
+    var decrypter_1;
     walletPromise = getPassphrase()
         .then(function (passphrase) {
-        return aes_cbc_decrypter_1.Decrypter
-            .factory(passphrase)
-            .decrypt(pb.slice(16), pb.slice(0, 16));
+        decrypter_1 = aes_cbc_decrypter_1.Decrypter
+            .factory(passphrase);
+        pb.reset();
+        return decrypter_1.decrypt(pb.slice(16), pb.slice(0, 16))
+            .then(function (payload) {
+            return Wallet.decode(payload);
+        });
     })
-        .then(function (payload) {
-        return Wallet.decode(payload);
+        .catch(function (e) {
+        pb.reset();
+        return decrypter_1.decrypt(pb, FIXED_IV)
+            .then(function (payload) {
+            return Wallet.decode(payload);
+        });
     });
 }
 walletPromise.then(function (wallet) {

build/mbexport.js → build/mbexport-rd.js

@@ -7,6 +7,10 @@ var aes_cbc_decrypter_1 = require("./aes-cbc-decrypter");
 var fs = require("fs");
 var bcoin = require("bcoin");
 var prompt = require('prompt');
+var FIXED_IV = ByteBuffer.wrap(new Uint8Array([
+    0xa3, 0x44, 0x39, 0x1f, 0x53, 0x83, 0x11, 0xb3,
+    0x29, 0x54, 0x86, 0x16, 0xc4, 0x89, 0x72, 0x3e
+]));
 prompt.message = '';
 prompt.delimiter = '';
 var Wallet = require('../build/wallet').wallet.Wallet;
@@ -41,14 +45,23 @@ try {
 }
 catch (e) {
     console.log('MultibitHD wallet opened');
+    var decrypter_1;
     walletPromise = getPassphrase()
         .then(function (passphrase) {
-        return aes_cbc_decrypter_1.Decrypter
-            .factory(passphrase)
-            .decrypt(pb.slice(16), pb.slice(0, 16));
+        decrypter_1 = aes_cbc_decrypter_1.Decrypter
+            .factory(passphrase);
+        pb.reset();
+        return decrypter_1.decrypt(pb.slice(16), pb.slice(0, 16))
+            .then(function (payload) {
+            return Wallet.decode(payload);
+        });
     })
-        .then(function (payload) {
-        return Wallet.decode(payload);
+        .catch(function (e) {
+        pb.reset();
+        return decrypter_1.decrypt(pb, FIXED_IV)
+            .then(function (payload) {
+            return Wallet.decode(payload);
+        });
     });
 }
 walletPromise.then(function (wallet) {

gulpfile.js

@@ -67,7 +67,7 @@ gulp.task('typescript', ['wallet.d.ts'], function () {
 gulp.task('build', ['typescript', 'protocolBuffers'], function() {
   return gulp.src('build/mbexport.js')
     .pipe(chmod(0o755))
-    .pipe(rename('mbexport'))
+    .pipe(rename('mbexport-rd'))
     .pipe(gulp.dest('build'));
 });