6 files changed, 667 insertions, 0 deletions
diff --git a/node_modules/des.js/lib/des.js b/node_modules/des.js/lib/des.js
new file mode 100644
index 000000000..2fd04a6dc
--- /dev/null
+++ b/node_modules/des.js/lib/des.js
@@ -0,0 +1,7 @@
+'use strict';
+
+exports.utils = require('./des/utils');
+exports.Cipher = require('./des/cipher');
+exports.DES = require('./des/des');
+exports.CBC = require('./des/cbc');
+exports.EDE = require('./des/ede');
diff --git a/node_modules/des.js/lib/des/cbc.js b/node_modules/des.js/lib/des/cbc.js
new file mode 100644
index 000000000..208ea3133
--- /dev/null
+++ b/node_modules/des.js/lib/des/cbc.js
@@ -0,0 +1,65 @@
+'use strict';
+
+var assert = require('minimalistic-assert');
+var inherits = require('inherits');
+
+var proto = {};
+
+function CBCState(iv) {
+  assert.equal(iv.length, 8, 'Invalid IV length');
+
+  this.iv = new Array(8);
+  for (var i = 0; i < this.iv.length; i++)
+    this.iv[i] = iv[i];
+}
+
+function instantiate(Base) {
+  function CBC(options) {
+    Base.call(this, options);
+    this._cbcInit();
+  }
+  inherits(CBC, Base);
+
+  var keys = Object.keys(proto);
+  for (var i = 0; i < keys.length; i++) {
+    var key = keys[i];
+    CBC.prototype[key] = proto[key];
+  }
+
+  CBC.create = function create(options) {
+    return new CBC(options);
+  };
+
+  return CBC;
+}
+
+exports.instantiate = instantiate;
+
+proto._cbcInit = function _cbcInit() {
+  var state = new CBCState(this.options.iv);
+  this._cbcState = state;
+};
+
+proto._update = function _update(inp, inOff, out, outOff) {
+  var state = this._cbcState;
+  var superProto = this.constructor.super_.prototype;
+
+  var iv = state.iv;
+  if (this.type === 'encrypt') {
+    for (var i = 0; i < this.blockSize; i++)
+      iv[i] ^= inp[inOff + i];
+
+    superProto._update.call(this, iv, 0, out, outOff);
+
+    for (var i = 0; i < this.blockSize; i++)
+      iv[i] = out[outOff + i];
+  } else {
+    superProto._update.call(this, inp, inOff, out, outOff);
+
+    for (var i = 0; i < this.blockSize; i++)
+      out[outOff + i] ^= iv[i];
+
+    for (var i = 0; i < this.blockSize; i++)
+      iv[i] = inp[inOff + i];
+  }
+};
diff --git a/node_modules/des.js/lib/des/cipher.js b/node_modules/des.js/lib/des/cipher.js
new file mode 100644
index 000000000..d0090b4cd
--- /dev/null
+++ b/node_modules/des.js/lib/des/cipher.js
@@ -0,0 +1,141 @@
+'use strict';
+
+var assert = require('minimalistic-assert');
+
+function Cipher(options) {
+  this.options = options;
+
+  this.type = this.options.type;
+  this.blockSize = 8;
+  this._init();
+
+  this.buffer = new Array(this.blockSize);
+  this.bufferOff = 0;
+}
+module.exports = Cipher;
+
+Cipher.prototype._init = function _init() {
+  // Might be overrided
+};
+
+Cipher.prototype.update = function update(data) {
+  if (data.length === 0)
+    return [];
+
+  if (this.type === 'decrypt')
+    return this._updateDecrypt(data);
+  else
+    return this._updateEncrypt(data);
+};
+
+Cipher.prototype._buffer = function _buffer(data, off) {
+  // Append data to buffer
+  var min = Math.min(this.buffer.length - this.bufferOff, data.length - off);
+  for (var i = 0; i < min; i++)
+    this.buffer[this.bufferOff + i] = data[off + i];
+  this.bufferOff += min;
+
+  // Shift next
+  return min;
+};
+
+Cipher.prototype._flushBuffer = function _flushBuffer(out, off) {
+  this._update(this.buffer, 0, out, off);
+  this.bufferOff = 0;
+  return this.blockSize;
+};
+
+Cipher.prototype._updateEncrypt = function _updateEncrypt(data) {
+  var inputOff = 0;
+  var outputOff = 0;
+
+  var count = ((this.bufferOff + data.length) / this.blockSize) | 0;
+  var out = new Array(count * this.blockSize);
+
+  if (this.bufferOff !== 0) {
+    inputOff += this._buffer(data, inputOff);
+
+    if (this.bufferOff === this.buffer.length)
+      outputOff += this._flushBuffer(out, outputOff);
+  }
+
+  // Write blocks
+  var max = data.length - ((data.length - inputOff) % this.blockSize);
+  for (; inputOff < max; inputOff += this.blockSize) {
+    this._update(data, inputOff, out, outputOff);
+    outputOff += this.blockSize;
+  }
+
+  // Queue rest
+  for (; inputOff < data.length; inputOff++, this.bufferOff++)
+    this.buffer[this.bufferOff] = data[inputOff];
+
+  return out;
+};
+
+Cipher.prototype._updateDecrypt = function _updateDecrypt(data) {
+  var inputOff = 0;
+  var outputOff = 0;
+
+  var count = Math.ceil((this.bufferOff + data.length) / this.blockSize) - 1;
+  var out = new Array(count * this.blockSize);
+
+  // TODO(indutny): optimize it, this is far from optimal
+  for (; count > 0; count--) {
+    inputOff += this._buffer(data, inputOff);
+    outputOff += this._flushBuffer(out, outputOff);
+  }
+
+  // Buffer rest of the input
+  inputOff += this._buffer(data, inputOff);
+
+  return out;
+};
+
+Cipher.prototype.final = function final(buffer) {
+  var first;
+  if (buffer)
+    first = this.update(buffer);
+
+  var last;
+  if (this.type === 'encrypt')
+    last = this._finalEncrypt();
+  else
+    last = this._finalDecrypt();
+
+  if (first)
+    return first.concat(last);
+  else
+    return last;
+};
+
+Cipher.prototype._pad = function _pad(buffer, off) {
+  if (off === 0)
+    return false;
+
+  while (off < buffer.length)
+    buffer[off++] = 0;
+
+  return true;
+};
+
+Cipher.prototype._finalEncrypt = function _finalEncrypt() {
+  if (!this._pad(this.buffer, this.bufferOff))
+    return [];
+
+  var out = new Array(this.blockSize);
+  this._update(this.buffer, 0, out, 0);
+  return out;
+};
+
+Cipher.prototype._unpad = function _unpad(buffer) {
+  return buffer;
+};
+
+Cipher.prototype._finalDecrypt = function _finalDecrypt() {
+  assert.equal(this.bufferOff, this.blockSize, 'Not enough data to decrypt');
+  var out = new Array(this.blockSize);
+  this._flushBuffer(out, 0);
+
+  return this._unpad(out);
+};
diff --git a/node_modules/des.js/lib/des/des.js b/node_modules/des.js/lib/des/des.js
new file mode 100644
index 000000000..b64a6d1b0
--- /dev/null
+++ b/node_modules/des.js/lib/des/des.js
@@ -0,0 +1,143 @@
+'use strict';
+
+var assert = require('minimalistic-assert');
+var inherits = require('inherits');
+
+var des = require('../des');
+var utils = des.utils;
+var Cipher = des.Cipher;
+
+function DESState() {
+  this.tmp = new Array(2);
+  this.keys = null;
+}
+
+function DES(options) {
+  Cipher.call(this, options);
+
+  var state = new DESState();
+  this._desState = state;
+
+  this.deriveKeys(state, options.key);
+}
+inherits(DES, Cipher);
+module.exports = DES;
+
+DES.create = function create(options) {
+  return new DES(options);
+};
+
+var shiftTable = [
+  1, 1, 2, 2, 2, 2, 2, 2,
+  1, 2, 2, 2, 2, 2, 2, 1
+];
+
+DES.prototype.deriveKeys = function deriveKeys(state, key) {
+  state.keys = new Array(16 * 2);
+
+  assert.equal(key.length, this.blockSize, 'Invalid key length');
+
+  var kL = utils.readUInt32BE(key, 0);
+  var kR = utils.readUInt32BE(key, 4);
+
+  utils.pc1(kL, kR, state.tmp, 0);
+  kL = state.tmp[0];
+  kR = state.tmp[1];
+  for (var i = 0; i < state.keys.length; i += 2) {
+    var shift = shiftTable[i >>> 1];
+    kL = utils.r28shl(kL, shift);
+    kR = utils.r28shl(kR, shift);
+    utils.pc2(kL, kR, state.keys, i);
+  }
+};
+
+DES.prototype._update = function _update(inp, inOff, out, outOff) {
+  var state = this._desState;
+
+  var l = utils.readUInt32BE(inp, inOff);
+  var r = utils.readUInt32BE(inp, inOff + 4);
+
+  // Initial Permutation
+  utils.ip(l, r, state.tmp, 0);
+  l = state.tmp[0];
+  r = state.tmp[1];
+
+  if (this.type === 'encrypt')
+    this._encrypt(state, l, r, state.tmp, 0);
+  else
+    this._decrypt(state, l, r, state.tmp, 0);
+
+  l = state.tmp[0];
+  r = state.tmp[1];
+
+  utils.writeUInt32BE(out, l, outOff);
+  utils.writeUInt32BE(out, r, outOff + 4);
+};
+
+DES.prototype._pad = function _pad(buffer, off) {
+  var value = buffer.length - off;
+  for (var i = off; i < buffer.length; i++)
+    buffer[i] = value;
+
+  return true;
+};
+
+DES.prototype._unpad = function _unpad(buffer) {
+  var pad = buffer[buffer.length - 1];
+  for (var i = buffer.length - pad; i < buffer.length; i++)
+    assert.equal(buffer[i], pad);
+
+  return buffer.slice(0, buffer.length - pad);
+};
+
+DES.prototype._encrypt = function _encrypt(state, lStart, rStart, out, off) {
+  var l = lStart;
+  var r = rStart;
+
+  // Apply f() x16 times
+  for (var i = 0; i < state.keys.length; i += 2) {
+    var keyL = state.keys[i];
+    var keyR = state.keys[i + 1];
+
+    // f(r, k)
+    utils.expand(r, state.tmp, 0);
+
+    keyL ^= state.tmp[0];
+    keyR ^= state.tmp[1];
+    var s = utils.substitute(keyL, keyR);
+    var f = utils.permute(s);
+
+    var t = r;
+    r = (l ^ f) >>> 0;
+    l = t;
+  }
+
+  // Reverse Initial Permutation
+  utils.rip(r, l, out, off);
+};
+
+DES.prototype._decrypt = function _decrypt(state, lStart, rStart, out, off) {
+  var l = rStart;
+  var r = lStart;
+
+  // Apply f() x16 times
+  for (var i = state.keys.length - 2; i >= 0; i -= 2) {
+    var keyL = state.keys[i];
+    var keyR = state.keys[i + 1];
+
+    // f(r, k)
+    utils.expand(l, state.tmp, 0);
+
+    keyL ^= state.tmp[0];
+    keyR ^= state.tmp[1];
+    var s = utils.substitute(keyL, keyR);
+    var f = utils.permute(s);
+
+    var t = l;
+    l = (r ^ f) >>> 0;
+    r = t;
+  }
+
+  // Reverse Initial Permutation
+  utils.rip(l, r, out, off);
+};
diff --git a/node_modules/des.js/lib/des/ede.js b/node_modules/des.js/lib/des/ede.js
new file mode 100644
index 000000000..cefc4a5c7
--- /dev/null
+++ b/node_modules/des.js/lib/des/ede.js
@@ -0,0 +1,55 @@
+'use strict';
+
+var assert = require('minimalistic-assert');
+var inherits = require('inherits');
+
+var des = require('../des');
+var Cipher = des.Cipher;
+var DES = des.DES;
+
+function EDEState(type, key) {
+  assert.equal(key.length, 24, 'Invalid key length');
+
+  var k1 = key.slice(0, 8);
+  var k2 = key.slice(8, 16);
+  var k3 = key.slice(16, 24);
+
+  if (type === 'encrypt') {
+    this.ciphers = [
+      DES.create({ type: 'encrypt', key: k1 }),
+      DES.create({ type: 'decrypt', key: k2 }),
+      DES.create({ type: 'encrypt', key: k3 })
+    ];
+  } else {
+    this.ciphers = [
+      DES.create({ type: 'decrypt', key: k3 }),
+      DES.create({ type: 'encrypt', key: k2 }),
+      DES.create({ type: 'decrypt', key: k1 })
+    ];
+  }
+}
+
+function EDE(options) {
+  Cipher.call(this, options);
+
+  var state = new EDEState(this.type, this.options.key);
+  this._edeState = state;
+}
+inherits(EDE, Cipher);
+
+module.exports = EDE;
+
+EDE.create = function create(options) {
+  return new EDE(options);
+};
+
+EDE.prototype._update = function _update(inp, inOff, out, outOff) {
+  var state = this._edeState;
+
+  state.ciphers[0]._update(inp, inOff, out, outOff);
+  state.ciphers[1]._update(out, outOff, out, outOff);
+  state.ciphers[2]._update(out, outOff, out, outOff);
+};
+
+EDE.prototype._pad = DES.prototype._pad;
+EDE.prototype._unpad = DES.prototype._unpad;
diff --git a/node_modules/des.js/lib/des/utils.js b/node_modules/des.js/lib/des/utils.js
new file mode 100644
index 000000000..08a5ccd9c
--- /dev/null
+++ b/node_modules/des.js/lib/des/utils.js
@@ -0,0 +1,256 @@
+'use strict';
+
+exports.readUInt32BE = function readUInt32BE(bytes, off) {
+  var res =  (bytes[0 + off] << 24) |
+             (bytes[1 + off] << 16) |
+             (bytes[2 + off] << 8) |
+             bytes[3 + off];
+  return res >>> 0;
+};
+
+exports.writeUInt32BE = function writeUInt32BE(bytes, value, off) {
+  bytes[0 + off] = value >>> 24;
+  bytes[1 + off] = (value >>> 16) & 0xff;
+  bytes[2 + off] = (value >>> 8) & 0xff;
+  bytes[3 + off] = value & 0xff;
+};
+
+exports.ip = function ip(inL, inR, out, off) {
+  var outL = 0;
+  var outR = 0;
+
+  for (var i = 6; i >= 0; i -= 2) {
+    for (var j = 0; j <= 24; j += 8) {
+      outL <<= 1;
+      outL |= (inR >>> (j + i)) & 1;
+    }
+    for (var j = 0; j <= 24; j += 8) {
+      outL <<= 1;
+      outL |= (inL >>> (j + i)) & 1;
+    }
+  }
+
+  for (var i = 6; i >= 0; i -= 2) {
+    for (var j = 1; j <= 25; j += 8) {
+      outR <<= 1;
+      outR |= (inR >>> (j + i)) & 1;
+    }
+    for (var j = 1; j <= 25; j += 8) {
+      outR <<= 1;
+      outR |= (inL >>> (j + i)) & 1;
+    }
+  }
+
+  out[off + 0] = outL >>> 0;
+  out[off + 1] = outR >>> 0;
+};
+
+exports.rip = function rip(inL, inR, out, off) {
+  var outL = 0;
+  var outR = 0;
+
+  for (var i = 0; i < 4; i++) {
+    for (var j = 24; j >= 0; j -= 8) {
+      outL <<= 1;
+      outL |= (inR >>> (j + i)) & 1;
+      outL <<= 1;
+      outL |= (inL >>> (j + i)) & 1;
+    }
+  }
+  for (var i = 4; i < 8; i++) {
+    for (var j = 24; j >= 0; j -= 8) {
+      outR <<= 1;
+      outR |= (inR >>> (j + i)) & 1;
+      outR <<= 1;
+      outR |= (inL >>> (j + i)) & 1;
+    }
+  }
+
+  out[off + 0] = outL >>> 0;
+  out[off + 1] = outR >>> 0;
+};
+
+exports.pc1 = function pc1(inL, inR, out, off) {
+  var outL = 0;
+  var outR = 0;
+
+  // 7, 15, 23, 31, 39, 47, 55, 63
+  // 6, 14, 22, 30, 39, 47, 55, 63
+  // 5, 13, 21, 29, 39, 47, 55, 63
+  // 4, 12, 20, 28
+  for (var i = 7; i >= 5; i--) {
+    for (var j = 0; j <= 24; j += 8) {
+      outL <<= 1;
+      outL |= (inR >> (j + i)) & 1;
+    }
+    for (var j = 0; j <= 24; j += 8) {
+      outL <<= 1;
+      outL |= (inL >> (j + i)) & 1;
+    }
+  }
+  for (var j = 0; j <= 24; j += 8) {
+    outL <<= 1;
+    outL |= (inR >> (j + i)) & 1;
+  }
+
+  // 1, 9, 17, 25, 33, 41, 49, 57
+  // 2, 10, 18, 26, 34, 42, 50, 58
+  // 3, 11, 19, 27, 35, 43, 51, 59
+  // 36, 44, 52, 60
+  for (var i = 1; i <= 3; i++) {
+    for (var j = 0; j <= 24; j += 8) {
+      outR <<= 1;
+      outR |= (inR >> (j + i)) & 1;
+    }
+    for (var j = 0; j <= 24; j += 8) {
+      outR <<= 1;
+      outR |= (inL >> (j + i)) & 1;
+    }
+  }
+  for (var j = 0; j <= 24; j += 8) {
+    outR <<= 1;
+    outR |= (inL >> (j + i)) & 1;
+  }
+
+  out[off + 0] = outL >>> 0;
+  out[off + 1] = outR >>> 0;
+};
+
+exports.r28shl = function r28shl(num, shift) {
+  return ((num << shift) & 0xfffffff) | (num >>> (28 - shift));
+};
+
+var pc2table = [
+  // inL => outL
+  14, 11, 17, 4, 27, 23, 25, 0,
+  13, 22, 7, 18, 5, 9, 16, 24,
+  2, 20, 12, 21, 1, 8, 15, 26,
+
+  // inR => outR
+  15, 4, 25, 19, 9, 1, 26, 16,
+  5, 11, 23, 8, 12, 7, 17, 0,
+  22, 3, 10, 14, 6, 20, 27, 24
+];
+
+exports.pc2 = function pc2(inL, inR, out, off) {
+  var outL = 0;
+  var outR = 0;
+
+  var len = pc2table.length >>> 1;
+  for (var i = 0; i < len; i++) {
+    outL <<= 1;
+    outL |= (inL >>> pc2table[i]) & 0x1;
+  }
+  for (var i = len; i < pc2table.length; i++) {
+    outR <<= 1;
+    outR |= (inR >>> pc2table[i]) & 0x1;
+  }
+
+  out[off + 0] = outL >>> 0;
+  out[off + 1] = outR >>> 0;
+};
+
+exports.expand = function expand(r, out, off) {
+  var outL = 0;
+  var outR = 0;
+
+  outL = ((r & 1) << 5) | (r >>> 27);
+  for (var i = 23; i >= 15; i -= 4) {
+    outL <<= 6;
+    outL |= (r >>> i) & 0x3f;
+  }
+  for (var i = 11; i >= 3; i -= 4) {
+    outR |= (r >>> i) & 0x3f;
+    outR <<= 6;
+  }
+  outR |= ((r & 0x1f) << 1) | (r >>> 31);
+
+  out[off + 0] = outL >>> 0;
+  out[off + 1] = outR >>> 0;
+};
+
+var sTable = [
+  14, 0, 4, 15, 13, 7, 1, 4, 2, 14, 15, 2, 11, 13, 8, 1,
+  3, 10, 10, 6, 6, 12, 12, 11, 5, 9, 9, 5, 0, 3, 7, 8,
+  4, 15, 1, 12, 14, 8, 8, 2, 13, 4, 6, 9, 2, 1, 11, 7,
+  15, 5, 12, 11, 9, 3, 7, 14, 3, 10, 10, 0, 5, 6, 0, 13,
+
+  15, 3, 1, 13, 8, 4, 14, 7, 6, 15, 11, 2, 3, 8, 4, 14,
+  9, 12, 7, 0, 2, 1, 13, 10, 12, 6, 0, 9, 5, 11, 10, 5,
+  0, 13, 14, 8, 7, 10, 11, 1, 10, 3, 4, 15, 13, 4, 1, 2,
+  5, 11, 8, 6, 12, 7, 6, 12, 9, 0, 3, 5, 2, 14, 15, 9,
+
+  10, 13, 0, 7, 9, 0, 14, 9, 6, 3, 3, 4, 15, 6, 5, 10,
+  1, 2, 13, 8, 12, 5, 7, 14, 11, 12, 4, 11, 2, 15, 8, 1,
+  13, 1, 6, 10, 4, 13, 9, 0, 8, 6, 15, 9, 3, 8, 0, 7,
+  11, 4, 1, 15, 2, 14, 12, 3, 5, 11, 10, 5, 14, 2, 7, 12,
+
+  7, 13, 13, 8, 14, 11, 3, 5, 0, 6, 6, 15, 9, 0, 10, 3,
+  1, 4, 2, 7, 8, 2, 5, 12, 11, 1, 12, 10, 4, 14, 15, 9,
+  10, 3, 6, 15, 9, 0, 0, 6, 12, 10, 11, 1, 7, 13, 13, 8,
+  15, 9, 1, 4, 3, 5, 14, 11, 5, 12, 2, 7, 8, 2, 4, 14,
+
+  2, 14, 12, 11, 4, 2, 1, 12, 7, 4, 10, 7, 11, 13, 6, 1,
+  8, 5, 5, 0, 3, 15, 15, 10, 13, 3, 0, 9, 14, 8, 9, 6,
+  4, 11, 2, 8, 1, 12, 11, 7, 10, 1, 13, 14, 7, 2, 8, 13,
+  15, 6, 9, 15, 12, 0, 5, 9, 6, 10, 3, 4, 0, 5, 14, 3,
+
+  12, 10, 1, 15, 10, 4, 15, 2, 9, 7, 2, 12, 6, 9, 8, 5,
+  0, 6, 13, 1, 3, 13, 4, 14, 14, 0, 7, 11, 5, 3, 11, 8,
+  9, 4, 14, 3, 15, 2, 5, 12, 2, 9, 8, 5, 12, 15, 3, 10,
+  7, 11, 0, 14, 4, 1, 10, 7, 1, 6, 13, 0, 11, 8, 6, 13,
+
+  4, 13, 11, 0, 2, 11, 14, 7, 15, 4, 0, 9, 8, 1, 13, 10,
+  3, 14, 12, 3, 9, 5, 7, 12, 5, 2, 10, 15, 6, 8, 1, 6,
+  1, 6, 4, 11, 11, 13, 13, 8, 12, 1, 3, 4, 7, 10, 14, 7,
+  10, 9, 15, 5, 6, 0, 8, 15, 0, 14, 5, 2, 9, 3, 2, 12,
+
+  13, 1, 2, 15, 8, 13, 4, 8, 6, 10, 15, 3, 11, 7, 1, 4,
+  10, 12, 9, 5, 3, 6, 14, 11, 5, 0, 0, 14, 12, 9, 7, 2,
+  7, 2, 11, 1, 4, 14, 1, 7, 9, 4, 12, 10, 14, 8, 2, 13,
+  0, 15, 6, 12, 10, 9, 13, 0, 15, 3, 3, 5, 5, 6, 8, 11
+];
+
+exports.substitute = function substitute(inL, inR) {
+  var out = 0;
+  for (var i = 0; i < 4; i++) {
+    var b = (inL >>> (18 - i * 6)) & 0x3f;
+    var sb = sTable[i * 0x40 + b];
+
+    out <<= 4;
+    out |= sb;
+  }
+  for (var i = 0; i < 4; i++) {
+    var b = (inR >>> (18 - i * 6)) & 0x3f;
+    var sb = sTable[4 * 0x40 + i * 0x40 + b];
+
+    out <<= 4;
+    out |= sb;
+  }
+  return out >>> 0;
+};
+
+var permuteTable = [
+  16, 25, 12, 11, 3, 20, 4, 15, 31, 17, 9, 6, 27, 14, 1, 22,
+  30, 24, 8, 18, 0, 5, 29, 23, 13, 19, 2, 26, 10, 21, 28, 7
+];
+
+exports.permute = function permute(num) {
+  var out = 0;
+  for (var i = 0; i < permuteTable.length; i++) {
+    out <<= 1;
+    out |= (num >>> permuteTable[i]) & 0x1;
+  }
+  return out >>> 0;
+};
+
+exports.padSplit = function padSplit(num, size, group) {
+  var str = num.toString(2);
+  while (str.length < size)
+    str = '0' + str;
+
+  var out = [];
+  for (var i = 0; i < size; i += group)
+    out.push(str.slice(i, i + group));
+  return out.join(' ');
+};