1 files changed, 11 insertions, 9 deletions
diff --git a/node_modules/browserify-aes/modes/cfb.js b/node_modules/browserify-aes/modes/cfb.js
index 0bfe4fab8..03b2ee9c5 100644
--- a/node_modules/browserify-aes/modes/cfb.js
+++ b/node_modules/browserify-aes/modes/cfb.js
@@ -1,13 +1,22 @@
+var Buffer = require('safe-buffer').Buffer
 var xor = require('buffer-xor')
 
+function encryptStart (self, data, decrypt) {
+  var len = data.length
+  var out = xor(data, self._cache)
+  self._cache = self._cache.slice(len)
+  self._prev = Buffer.concat([self._prev, decrypt ? data : out])
+  return out
+}
+
 exports.encrypt = function (self, data, decrypt) {
-  var out = new Buffer('')
+  var out = Buffer.allocUnsafe(0)
   var len
 
   while (data.length) {
     if (self._cache.length === 0) {
       self._cache = self._cipher.encryptBlock(self._prev)
-      self._prev = new Buffer('')
+      self._prev = Buffer.allocUnsafe(0)
     }
 
     if (self._cache.length <= data.length) {
@@ -22,10 +31,3 @@ exports.encrypt = function (self, data, decrypt) {
 
   return out
 }
-function encryptStart (self, data, decrypt) {
-  var len = data.length
-  var out = xor(data, self._cache)
-  self._cache = self._cache.slice(len)
-  self._prev = Buffer.concat([self._prev, decrypt ? data : out])
-  return out
-}