node_modules

1 files changed, 25 insertions, 0 deletions

diff --git a/node_modules/browserify-aes/streamCipher.js b/node_modules/browserify-aes/streamCipher.js
new file mode 100644
index 000000000..a55c762d5
--- /dev/null
+++ b/node_modules/browserify-aes/streamCipher.js
@@ -0,0 +1,25 @@
+var aes = require('./aes')
+var Transform = require('cipher-base')
+var inherits = require('inherits')
+
+inherits(StreamCipher, Transform)
+module.exports = StreamCipher
+function StreamCipher (mode, key, iv, decrypt) {
+  if (!(this instanceof StreamCipher)) {
+    return new StreamCipher(mode, key, iv)
+  }
+  Transform.call(this)
+  this._cipher = new aes.AES(key)
+  this._prev = new Buffer(iv.length)
+  this._cache = new Buffer('')
+  this._secCache = new Buffer('')
+  this._decrypt = decrypt
+  iv.copy(this._prev)
+  this._mode = mode
+}
+StreamCipher.prototype._update = function (chunk) {
+  return this._mode.encrypt(this, chunk, this._decrypt)
+}
+StreamCipher.prototype._final = function () {
+  this._cipher.scrub()
+}