diff --git a/README.md b/README.md
index 4a8db16..adda1ba 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@ currentValue = readlineSync.setPrompt([prompt])
 
 Sets the prompt, for example when you run `node` on the command line, you see `> `, which is node's prompt.  
 `prompt` may be string, or may not be (e.g. number, Date, Object, etc.). This is converted to string (i.e. `toString` method is called) before it is displayed every time.  
-For example: like bash `[foo-directory]# `
+For example: `[foo-directory]# ` like bash
 
 ```js
 readlineSync.setPrompt({toString:
diff --git a/lib/encrypt.js b/lib/encrypt.js
index b1e475b..ba8f62a 100644
--- a/lib/encrypt.js
+++ b/lib/encrypt.js
@@ -1,5 +1,5 @@
-var algorithmCipher = 'aes-256-cbc',
-  cipher = require('crypto').createCipher(algorithmCipher, process.argv[2]),
+var cipher = require('crypto').createCipher(
+      process.argv[2] /*algorithm*/, process.argv[3] /*password*/),
   stdin = process.stdin,
   stdout = process.stdout,
   crypted = '';
diff --git a/lib/readline-sync.js b/lib/readline-sync.js
index 536c0f0..99bdb15 100644
--- a/lib/readline-sync.js
+++ b/lib/readline-sync.js
@@ -95,14 +95,16 @@ function _readlineShell(noEchoBack) {
     shellPath = 'cmd.exe';
     args = ['/V:ON', '/S', '/C',
       '%Q%' + __dirname + '\\read.bat%Q%' + optEchoBack +
-      ' |%Q%' + process.execPath + '%Q% %Q%' + __dirname + '\\encrypt.js%Q% %Q%' + password + '%Q%' +
+      ' |%Q%' + process.execPath + '%Q% %Q%' + __dirname + '\\encrypt.js%Q%' +
+        ' %Q%' + ALGORITHM_CIPHER + '%Q% %Q%' + password + '%Q%' +
       ' >%Q%' + pathStdout + '%Q%' +
       ' & (echo !ERRORLEVEL!)>%Q%' + pathStatus + '%Q% & (echo 1)>%Q%' + pathDone + '%Q%'];
   } else {
     shellPath = '/bin/sh';
     args = ['-c',
       '(' + shellPath + ' "' + __dirname + '/read.sh"' + optEchoBack + ')' +
-      ' |"' + process.execPath + '" "' + __dirname + '/encrypt.js" "' + password + '"' +
+      ' |"' + process.execPath + '" "' + __dirname + '/encrypt.js"' +
+        ' "' + ALGORITHM_CIPHER + '" "' + password + '"' +
       ' >"' + pathStdout + '";' +
       ' echo $? >"' + pathStatus + '"; echo 1 >"' + pathDone + '"'];
   }
@@ -110,9 +112,7 @@ function _readlineShell(noEchoBack) {
   stdin.pause(); // re-start in child process
   require('child_process').execFile(shellPath, args, {env: {Q: '"'}});
 
-  while (true) {
-    if (fs.readFileSync(pathDone, {encoding: encoding}).trim() === '1') { break; }
-  }
+  while (fs.readFileSync(pathDone, {encoding: encoding}).trim() !== '1') {}
   if (fs.readFileSync(pathStatus, {encoding: encoding}).trim() === '0') {
     shellStdout =
       decipher.update(fs.readFileSync(pathStdout, {encoding: 'binary'}), 'hex', encoding) +
diff --git a/package.json b/package.json
index 32d08fe..2f0d7e7 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "readline-sync",
   "description": "Synchronous Readline",
-  "version": "0.4.3",
+  "version": "0.4.4",
   "homepage": "https://github.com/anseki/readline-sync",
   "author": {
     "name": "anseki"