1 files changed, 15 insertions, 0 deletions
diff --git a/node_modules/browserify-aes/modes/cfb8.js b/node_modules/browserify-aes/modes/cfb8.js
new file mode 100644
index 000000000..c967a959f
--- /dev/null
+++ b/node_modules/browserify-aes/modes/cfb8.js
@@ -0,0 +1,15 @@
+function encryptByte (self, byteParam, decrypt) {
+  var pad = self._cipher.encryptBlock(self._prev)
+  var out = pad[0] ^ byteParam
+  self._prev = Buffer.concat([self._prev.slice(1), new Buffer([decrypt ? byteParam : out])])
+  return out
+}
+exports.encrypt = function (self, chunk, decrypt) {
+  var len = chunk.length
+  var out = new Buffer(len)
+  var i = -1
+  while (++i < len) {
+    out[i] = encryptByte(self, chunk[i], decrypt)
+  }
+  return out
+}