1 files changed, 0 insertions, 105 deletions
diff --git a/node_modules/pbkdf2/lib/sync-browser.js b/node_modules/pbkdf2/lib/sync-browser.js
deleted file mode 100644
index 20a64b4..0000000
--- a/node_modules/pbkdf2/lib/sync-browser.js
+++ /dev/null
@@ -1,105 +0,0 @@
-var md5 = require('create-hash/md5')
-var RIPEMD160 = require('ripemd160')
-var sha = require('sha.js')
-var Buffer = require('safe-buffer').Buffer
-
-var checkParameters = require('./precondition')
-var defaultEncoding = require('./default-encoding')
-var toBuffer = require('./to-buffer')
-
-var ZEROS = Buffer.alloc(128)
-var sizes = {
-  md5: 16,
-  sha1: 20,
-  sha224: 28,
-  sha256: 32,
-  sha384: 48,
-  sha512: 64,
-  rmd160: 20,
-  ripemd160: 20
-}
-
-function Hmac (alg, key, saltLen) {
-  var hash = getDigest(alg)
-  var blocksize = (alg === 'sha512' || alg === 'sha384') ? 128 : 64
-
-  if (key.length > blocksize) {
-    key = hash(key)
-  } else if (key.length < blocksize) {
-    key = Buffer.concat([key, ZEROS], blocksize)
-  }
-
-  var ipad = Buffer.allocUnsafe(blocksize + sizes[alg])
-  var opad = Buffer.allocUnsafe(blocksize + sizes[alg])
-  for (var i = 0; i < blocksize; i++) {
-    ipad[i] = key[i] ^ 0x36
-    opad[i] = key[i] ^ 0x5C
-  }
-
-  var ipad1 = Buffer.allocUnsafe(blocksize + saltLen + 4)
-  ipad.copy(ipad1, 0, 0, blocksize)
-  this.ipad1 = ipad1
-  this.ipad2 = ipad
-  this.opad = opad
-  this.alg = alg
-  this.blocksize = blocksize
-  this.hash = hash
-  this.size = sizes[alg]
-}
-
-Hmac.prototype.run = function (data, ipad) {
-  data.copy(ipad, this.blocksize)
-  var h = this.hash(ipad)
-  h.copy(this.opad, this.blocksize)
-  return this.hash(this.opad)
-}
-
-function getDigest (alg) {
-  function shaFunc (data) {
-    return sha(alg).update(data).digest()
-  }
-  function rmd160Func (data) {
-    return new RIPEMD160().update(data).digest()
-  }
-
-  if (alg === 'rmd160' || alg === 'ripemd160') return rmd160Func
-  if (alg === 'md5') return md5
-  return shaFunc
-}
-
-function pbkdf2 (password, salt, iterations, keylen, digest) {
-  checkParameters(iterations, keylen)
-  password = toBuffer(password, defaultEncoding, 'Password')
-  salt = toBuffer(salt, defaultEncoding, 'Salt')
-
-  digest = digest || 'sha1'
-
-  var hmac = new Hmac(digest, password, salt.length)
-
-  var DK = Buffer.allocUnsafe(keylen)
-  var block1 = Buffer.allocUnsafe(salt.length + 4)
-  salt.copy(block1, 0, 0, salt.length)
-
-  var destPos = 0
-  var hLen = sizes[digest]
-  var l = Math.ceil(keylen / hLen)
-
-  for (var i = 1; i <= l; i++) {
-    block1.writeUInt32BE(i, salt.length)
-
-    var T = hmac.run(block1, hmac.ipad1)
-    var U = T
-
-    for (var j = 1; j < iterations; j++) {
-      U = hmac.run(U, hmac.ipad2)
-      for (var k = 0; k < hLen; k++) T[k] ^= U[k]
-    }
-
-    T.copy(DK, destPos)
-    destPos += hLen
-  }
-
-  return DK
-}
-
-module.exports = pbkdf2