node_modules

18 files changed, 876 insertions, 632 deletions

diff --git a/node_modules/hash.js/.eslintrc.js b/node_modules/hash.js/.eslintrc.js
new file mode 100644
index 000000000..614f8fc40
--- /dev/null
+++ b/node_modules/hash.js/.eslintrc.js
@@ -0,0 +1,41 @@
+module.exports = {
+  'env': {
+    'browser': true,
+    'commonjs': true,
+    'node': true,
+    'es6': true
+  },
+  'parserOptions': {
+    'ecmaVersion': 8
+  },
+  'extends': 'eslint:recommended',
+  'rules': {
+    'indent': [
+      'error',
+      2,
+      {
+        'FunctionDeclaration': {
+          'parameters': 'first'
+        },
+        'FunctionExpression': {
+          'parameters': 'first'
+        },
+        'CallExpression': {
+          'arguments': 'first'
+        }
+      }
+    ],
+    'linebreak-style': [
+      'error',
+      'unix'
+    ],
+    'quotes': [
+      'error',
+      'single'
+    ],
+    'semi': [
+      'error',
+      'always'
+    ]
+  }
+};
diff --git a/node_modules/hash.js/.travis.yml b/node_modules/hash.js/.travis.yml
index 92a990f67..92b8cdd42 100644
--- a/node_modules/hash.js/.travis.yml
+++ b/node_modules/hash.js/.travis.yml
@@ -1,7 +1,9 @@
+sudo: false
 language: node_js
 node_js:
-  - "0.10"
-  - "0.11"
+  - "4"
+  - "6"
+  - "stable"
 branches:
   only:
     - master
diff --git a/node_modules/hash.js/README.md b/node_modules/hash.js/README.md
index 63107cbe3..006d3bbf5 100644
--- a/node_modules/hash.js/README.md
+++ b/node_modules/hash.js/README.md
@@ -1,7 +1,27 @@
-# hash.js [![Build Status](https://secure.travis-ci.org/indutny/hash.js.png)](http://travis-ci.org/indutny/hash.js)
+# hash.js [![Build Status](https://secure.travis-ci.org/indutny/hash.js.svg)](http://travis-ci.org/indutny/hash.js)
 
 Just a bike-shed.
 
+## Install
+
+```sh
+npm install hash.js
+```
+
+## Usage
+
+```js
+var hash = require('hash.js')
+hash.sha256().update('abc').digest('hex')
+```
+
+## Selective hash usage
+
+```js
+var sha512 = require('hash.js/lib/hash/sha/512');
+sha512().update('abc').digest('hex');
+```
+
 #### LICENSE
 
 This software is licensed under the MIT License.
diff --git a/node_modules/hash.js/lib/hash.d.ts b/node_modules/hash.js/lib/hash.d.ts
new file mode 100644
index 000000000..2994a75ed
--- /dev/null
+++ b/node_modules/hash.js/lib/hash.d.ts
@@ -0,0 +1,105 @@
+declare var hash: Hash;
+
+declare module "hash.js" {
+    export default hash;
+}
+
+interface BlockHash<T> {
+    hmacStrength: number
+    padLength: number
+    endian: 'big' | 'little'
+}
+
+interface MessageDigest<T> {
+    blockSize: number
+    outSize: number
+    update(msg: any, enc?: 'hex'): T
+    digest(enc?: 'hex'): T
+}
+
+interface Hash {
+    hmac: HmacConstructor
+    ripemd: RipemdSet
+    ripemd160: Ripemd160Constructor
+    sha: ShaSet
+    sha1: Sha1Constructor
+    sha224: Sha224Constructor
+    sha256: Sha256Constructor
+    sha384: Sha384Constructor
+    sha512: Sha512Constructor
+    utils: Utils
+}
+
+interface Utils {
+    toArray(msg: any, enc: 'hex'): Array<number>
+    toHex(msg: any): string
+}
+
+interface RipemdSet {
+    ripemd160: Ripemd160Constructor
+}
+
+interface ShaSet {
+    sha1: Sha1Constructor
+    sha224: Sha224Constructor
+    sha256: Sha256Constructor
+    sha384: Sha384Constructor
+    sha512: Sha512Constructor
+}
+
+interface HmacConstructor { (hash: BlockHash<any>, key: any, enc?: 'hex'): Hmac }
+interface Ripemd160Constructor { (): Ripemd160 }
+interface Sha1Constructor { (): Sha1; }
+interface Sha224Constructor { (): Sha224; }
+interface Sha256Constructor { (): Sha256; }
+interface Sha384Constructor { (): Sha384; }
+interface Sha512Constructor { (): Sha512; }
+
+interface Hmac extends MessageDigest<Hmac> {
+    blockSize: 512
+    outSize: 160
+}
+
+interface Ripemd160 extends BlockHash<Ripemd160>, MessageDigest<Ripemd160> {
+    blockSize: 512
+    hmacStrength: 192
+    outSize: 160
+    padLength: 64
+    endian: 'little'
+}
+
+interface Sha1 extends BlockHash<Sha1>, MessageDigest<Sha1> {
+    blockSize: 512
+    hmacStrength: 80
+    outSize: 160
+    padLength: 64
+    endian: 'big'
+}
+interface Sha224 extends BlockHash<Sha224>, MessageDigest<Sha224> {
+    blockSize: 512
+    hmacStrength: 192
+    outSize: 224
+    padLength: 64
+    endian: 'big'
+}
+interface Sha256 extends BlockHash<Sha256>, MessageDigest<Sha256> {
+    blockSize: 512
+    hmacStrength: 192
+    outSize: 256
+    padLength: 64
+    endian: 'big'
+}
+interface Sha384 extends BlockHash<Sha384>, MessageDigest<Sha384> {
+    blockSize: 1024
+    hmacStrength: 192
+    outSize: 384
+    padLength: 128
+    endian: 'big'
+}
+interface Sha512 extends BlockHash<Sha512>, MessageDigest<Sha512> {
+    blockSize: 1024
+    hmacStrength: 192
+    outSize: 512
+    padLength: 128
+    endian: 'big'
+}
diff --git a/node_modules/hash.js/lib/hash/common.js b/node_modules/hash.js/lib/hash/common.js
index a052c55fe..c49f47631 100644
--- a/node_modules/hash.js/lib/hash/common.js
+++ b/node_modules/hash.js/lib/hash/common.js
@@ -1,6 +1,7 @@
-var hash = require('../hash');
-var utils = hash.utils;
-var assert = utils.assert;
+'use strict';
+
+var utils = require('./utils');
+var assert = require('minimalistic-assert');
 
 function BlockHash() {
   this.pending = null;
@@ -83,7 +84,7 @@ BlockHash.prototype._pad = function pad() {
     res[i++] = 0;
     res[i++] = 0;
 
-    for (var t = 8; t < this.padLength; t++)
+    for (t = 8; t < this.padLength; t++)
       res[i++] = 0;
   }
 
diff --git a/node_modules/hash.js/lib/hash/hmac.js b/node_modules/hash.js/lib/hash/hmac.js
index 3a3da9728..faff12d3b 100644
--- a/node_modules/hash.js/lib/hash/hmac.js
+++ b/node_modules/hash.js/lib/hash/hmac.js
@@ -1,8 +1,7 @@
-var hmac = exports;
+'use strict';
 
-var hash = require('../hash');
-var utils = hash.utils;
-var assert = utils.assert;
+var utils = require('./utils');
+var assert = require('minimalistic-assert');
 
 function Hmac(hash, key, enc) {
   if (!(this instanceof Hmac))
@@ -27,12 +26,12 @@ Hmac.prototype._init = function init(key) {
   for (var i = key.length; i < this.blockSize; i++)
     key.push(0);
 
-  for (var i = 0; i < key.length; i++)
+  for (i = 0; i < key.length; i++)
     key[i] ^= 0x36;
   this.inner = new this.Hash().update(key);
 
   // 0x36 ^ 0x5c = 0x6a
-  for (var i = 0; i < key.length; i++)
+  for (i = 0; i < key.length; i++)
     key[i] ^= 0x6a;
   this.outer = new this.Hash().update(key);
 };
diff --git a/node_modules/hash.js/lib/hash/ripemd.js b/node_modules/hash.js/lib/hash/ripemd.js
index cd55bfc7f..2dcdff273 100644
--- a/node_modules/hash.js/lib/hash/ripemd.js
+++ b/node_modules/hash.js/lib/hash/ripemd.js
@@ -1,11 +1,13 @@
-var hash = require('../hash');
-var utils = hash.utils;
+'use strict';
+
+var utils = require('./utils');
+var common = require('./common');
 
 var rotl32 = utils.rotl32;
 var sum32 = utils.sum32;
 var sum32_3 = utils.sum32_3;
 var sum32_4 = utils.sum32_4;
-var BlockHash = hash.common.BlockHash;
+var BlockHash = common.BlockHash;
 
 function RIPEMD160() {
   if (!(this instanceof RIPEMD160))
diff --git a/node_modules/hash.js/lib/hash/sha.js b/node_modules/hash.js/lib/hash/sha.js
index a7837aad0..f34a38d7b 100644
--- a/node_modules/hash.js/lib/hash/sha.js
+++ b/node_modules/hash.js/lib/hash/sha.js
@@ -1,564 +1,7 @@
-var hash = require('../hash');
-var utils = hash.utils;
-var assert = utils.assert;
+'use strict';
 
-var rotr32 = utils.rotr32;
-var rotl32 = utils.rotl32;
-var sum32 = utils.sum32;
-var sum32_4 = utils.sum32_4;
-var sum32_5 = utils.sum32_5;
-var rotr64_hi = utils.rotr64_hi;
-var rotr64_lo = utils.rotr64_lo;
-var shr64_hi = utils.shr64_hi;
-var shr64_lo = utils.shr64_lo;
-var sum64 = utils.sum64;
-var sum64_hi = utils.sum64_hi;
-var sum64_lo = utils.sum64_lo;
-var sum64_4_hi = utils.sum64_4_hi;
-var sum64_4_lo = utils.sum64_4_lo;
-var sum64_5_hi = utils.sum64_5_hi;
-var sum64_5_lo = utils.sum64_5_lo;
-var BlockHash = hash.common.BlockHash;
-
-var sha256_K = [
-  0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
-  0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
-  0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
-  0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
-  0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
-  0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
-  0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
-  0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
-  0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
-  0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
-  0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
-  0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
-  0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
-  0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
-  0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
-  0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
-];
-
-var sha512_K = [
-  0x428a2f98, 0xd728ae22, 0x71374491, 0x23ef65cd,
-  0xb5c0fbcf, 0xec4d3b2f, 0xe9b5dba5, 0x8189dbbc,
-  0x3956c25b, 0xf348b538, 0x59f111f1, 0xb605d019,
-  0x923f82a4, 0xaf194f9b, 0xab1c5ed5, 0xda6d8118,
-  0xd807aa98, 0xa3030242, 0x12835b01, 0x45706fbe,
-  0x243185be, 0x4ee4b28c, 0x550c7dc3, 0xd5ffb4e2,
-  0x72be5d74, 0xf27b896f, 0x80deb1fe, 0x3b1696b1,
-  0x9bdc06a7, 0x25c71235, 0xc19bf174, 0xcf692694,
-  0xe49b69c1, 0x9ef14ad2, 0xefbe4786, 0x384f25e3,
-  0x0fc19dc6, 0x8b8cd5b5, 0x240ca1cc, 0x77ac9c65,
-  0x2de92c6f, 0x592b0275, 0x4a7484aa, 0x6ea6e483,
-  0x5cb0a9dc, 0xbd41fbd4, 0x76f988da, 0x831153b5,
-  0x983e5152, 0xee66dfab, 0xa831c66d, 0x2db43210,
-  0xb00327c8, 0x98fb213f, 0xbf597fc7, 0xbeef0ee4,
-  0xc6e00bf3, 0x3da88fc2, 0xd5a79147, 0x930aa725,
-  0x06ca6351, 0xe003826f, 0x14292967, 0x0a0e6e70,
-  0x27b70a85, 0x46d22ffc, 0x2e1b2138, 0x5c26c926,
-  0x4d2c6dfc, 0x5ac42aed, 0x53380d13, 0x9d95b3df,
-  0x650a7354, 0x8baf63de, 0x766a0abb, 0x3c77b2a8,
-  0x81c2c92e, 0x47edaee6, 0x92722c85, 0x1482353b,
-  0xa2bfe8a1, 0x4cf10364, 0xa81a664b, 0xbc423001,
-  0xc24b8b70, 0xd0f89791, 0xc76c51a3, 0x0654be30,
-  0xd192e819, 0xd6ef5218, 0xd6990624, 0x5565a910,
-  0xf40e3585, 0x5771202a, 0x106aa070, 0x32bbd1b8,
-  0x19a4c116, 0xb8d2d0c8, 0x1e376c08, 0x5141ab53,
-  0x2748774c, 0xdf8eeb99, 0x34b0bcb5, 0xe19b48a8,
-  0x391c0cb3, 0xc5c95a63, 0x4ed8aa4a, 0xe3418acb,
-  0x5b9cca4f, 0x7763e373, 0x682e6ff3, 0xd6b2b8a3,
-  0x748f82ee, 0x5defb2fc, 0x78a5636f, 0x43172f60,
-  0x84c87814, 0xa1f0ab72, 0x8cc70208, 0x1a6439ec,
-  0x90befffa, 0x23631e28, 0xa4506ceb, 0xde82bde9,
-  0xbef9a3f7, 0xb2c67915, 0xc67178f2, 0xe372532b,
-  0xca273ece, 0xea26619c, 0xd186b8c7, 0x21c0c207,
-  0xeada7dd6, 0xcde0eb1e, 0xf57d4f7f, 0xee6ed178,
-  0x06f067aa, 0x72176fba, 0x0a637dc5, 0xa2c898a6,
-  0x113f9804, 0xbef90dae, 0x1b710b35, 0x131c471b,
-  0x28db77f5, 0x23047d84, 0x32caab7b, 0x40c72493,
-  0x3c9ebe0a, 0x15c9bebc, 0x431d67c4, 0x9c100d4c,
-  0x4cc5d4be, 0xcb3e42b6, 0x597f299c, 0xfc657e2a,
-  0x5fcb6fab, 0x3ad6faec, 0x6c44198c, 0x4a475817
-];
-
-var sha1_K = [
-  0x5A827999, 0x6ED9EBA1,
-  0x8F1BBCDC, 0xCA62C1D6
-];
-
-function SHA256() {
-  if (!(this instanceof SHA256))
-    return new SHA256();
-
-  BlockHash.call(this);
-  this.h = [ 0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a,
-             0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19 ];
-  this.k = sha256_K;
-  this.W = new Array(64);
-}
-utils.inherits(SHA256, BlockHash);
-exports.sha256 = SHA256;
-
-SHA256.blockSize = 512;
-SHA256.outSize = 256;
-SHA256.hmacStrength = 192;
-SHA256.padLength = 64;
-
-SHA256.prototype._update = function _update(msg, start) {
-  var W = this.W;
-
-  for (var i = 0; i < 16; i++)
-    W[i] = msg[start + i];
-  for (; i < W.length; i++)
-    W[i] = sum32_4(g1_256(W[i - 2]), W[i - 7], g0_256(W[i - 15]), W[i - 16]);
-
-  var a = this.h[0];
-  var b = this.h[1];
-  var c = this.h[2];
-  var d = this.h[3];
-  var e = this.h[4];
-  var f = this.h[5];
-  var g = this.h[6];
-  var h = this.h[7];
-
-  assert(this.k.length === W.length);
-  for (var i = 0; i < W.length; i++) {
-    var T1 = sum32_5(h, s1_256(e), ch32(e, f, g), this.k[i], W[i]);
-    var T2 = sum32(s0_256(a), maj32(a, b, c));
-    h = g;
-    g = f;
-    f = e;
-    e = sum32(d, T1);
-    d = c;
-    c = b;
-    b = a;
-    a = sum32(T1, T2);
-  }
-
-  this.h[0] = sum32(this.h[0], a);
-  this.h[1] = sum32(this.h[1], b);
-  this.h[2] = sum32(this.h[2], c);
-  this.h[3] = sum32(this.h[3], d);
-  this.h[4] = sum32(this.h[4], e);
-  this.h[5] = sum32(this.h[5], f);
-  this.h[6] = sum32(this.h[6], g);
-  this.h[7] = sum32(this.h[7], h);
-};
-
-SHA256.prototype._digest = function digest(enc) {
-  if (enc === 'hex')
-    return utils.toHex32(this.h, 'big');
-  else
-    return utils.split32(this.h, 'big');
-};
-
-function SHA224() {
-  if (!(this instanceof SHA224))
-    return new SHA224();
-
-  SHA256.call(this);
-  this.h = [ 0xc1059ed8, 0x367cd507, 0x3070dd17, 0xf70e5939,
-             0xffc00b31, 0x68581511, 0x64f98fa7, 0xbefa4fa4 ];
-}
-utils.inherits(SHA224, SHA256);
-exports.sha224 = SHA224;
-
-SHA224.blockSize = 512;
-SHA224.outSize = 224;
-SHA224.hmacStrength = 192;
-SHA224.padLength = 64;
-
-SHA224.prototype._digest = function digest(enc) {
-  // Just truncate output
-  if (enc === 'hex')
-    return utils.toHex32(this.h.slice(0, 7), 'big');
-  else
-    return utils.split32(this.h.slice(0, 7), 'big');
-};
-
-function SHA512() {
-  if (!(this instanceof SHA512))
-    return new SHA512();
-
-  BlockHash.call(this);
-  this.h = [ 0x6a09e667, 0xf3bcc908,
-             0xbb67ae85, 0x84caa73b,
-             0x3c6ef372, 0xfe94f82b,
-             0xa54ff53a, 0x5f1d36f1,
-             0x510e527f, 0xade682d1,
-             0x9b05688c, 0x2b3e6c1f,
-             0x1f83d9ab, 0xfb41bd6b,
-             0x5be0cd19, 0x137e2179 ];
-  this.k = sha512_K;
-  this.W = new Array(160);
-}
-utils.inherits(SHA512, BlockHash);
-exports.sha512 = SHA512;
-
-SHA512.blockSize = 1024;
-SHA512.outSize = 512;
-SHA512.hmacStrength = 192;
-SHA512.padLength = 128;
-
-SHA512.prototype._prepareBlock = function _prepareBlock(msg, start) {
-  var W = this.W;
-
-  // 32 x 32bit words
-  for (var i = 0; i < 32; i++)
-    W[i] = msg[start + i];
-  for (; i < W.length; i += 2) {
-    var c0_hi = g1_512_hi(W[i - 4], W[i - 3]);  // i - 2
-    var c0_lo = g1_512_lo(W[i - 4], W[i - 3]);
-    var c1_hi = W[i - 14];  // i - 7
-    var c1_lo = W[i - 13];
-    var c2_hi = g0_512_hi(W[i - 30], W[i - 29]);  // i - 15
-    var c2_lo = g0_512_lo(W[i - 30], W[i - 29]);
-    var c3_hi = W[i - 32];  // i - 16
-    var c3_lo = W[i - 31];
-
-    W[i] = sum64_4_hi(c0_hi, c0_lo,
-                      c1_hi, c1_lo,
-                      c2_hi, c2_lo,
-                      c3_hi, c3_lo);
-    W[i + 1] = sum64_4_lo(c0_hi, c0_lo,
-                          c1_hi, c1_lo,
-                          c2_hi, c2_lo,
-                          c3_hi, c3_lo);
-  }
-};
-
-SHA512.prototype._update = function _update(msg, start) {
-  this._prepareBlock(msg, start);
-
-  var W = this.W;
-
-  var ah = this.h[0];
-  var al = this.h[1];
-  var bh = this.h[2];
-  var bl = this.h[3];
-  var ch = this.h[4];
-  var cl = this.h[5];
-  var dh = this.h[6];
-  var dl = this.h[7];
-  var eh = this.h[8];
-  var el = this.h[9];
-  var fh = this.h[10];
-  var fl = this.h[11];
-  var gh = this.h[12];
-  var gl = this.h[13];
-  var hh = this.h[14];
-  var hl = this.h[15];
-
-  assert(this.k.length === W.length);
-  for (var i = 0; i < W.length; i += 2) {
-    var c0_hi = hh;
-    var c0_lo = hl;
-    var c1_hi = s1_512_hi(eh, el);
-    var c1_lo = s1_512_lo(eh, el);
-    var c2_hi = ch64_hi(eh, el, fh, fl, gh, gl);
-    var c2_lo = ch64_lo(eh, el, fh, fl, gh, gl);
-    var c3_hi = this.k[i];
-    var c3_lo = this.k[i + 1];
-    var c4_hi = W[i];
-    var c4_lo = W[i + 1];
-
-    var T1_hi = sum64_5_hi(c0_hi, c0_lo,
-                           c1_hi, c1_lo,
-                           c2_hi, c2_lo,
-                           c3_hi, c3_lo,
-                           c4_hi, c4_lo);
-    var T1_lo = sum64_5_lo(c0_hi, c0_lo,
-                           c1_hi, c1_lo,
-                           c2_hi, c2_lo,
-                           c3_hi, c3_lo,
-                           c4_hi, c4_lo);
-
-    var c0_hi = s0_512_hi(ah, al);
-    var c0_lo = s0_512_lo(ah, al);
-    var c1_hi = maj64_hi(ah, al, bh, bl, ch, cl);
-    var c1_lo = maj64_lo(ah, al, bh, bl, ch, cl);
-
-    var T2_hi = sum64_hi(c0_hi, c0_lo, c1_hi, c1_lo);
-    var T2_lo = sum64_lo(c0_hi, c0_lo, c1_hi, c1_lo);
-
-    hh = gh;
-    hl = gl;
-
-    gh = fh;
-    gl = fl;
-
-    fh = eh;
-    fl = el;
-
-    eh = sum64_hi(dh, dl, T1_hi, T1_lo);
-    el = sum64_lo(dl, dl, T1_hi, T1_lo);
-
-    dh = ch;
-    dl = cl;
-
-    ch = bh;
-    cl = bl;
-
-    bh = ah;
-    bl = al;
-
-    ah = sum64_hi(T1_hi, T1_lo, T2_hi, T2_lo);
-    al = sum64_lo(T1_hi, T1_lo, T2_hi, T2_lo);
-  }
-
-  sum64(this.h, 0, ah, al);
-  sum64(this.h, 2, bh, bl);
-  sum64(this.h, 4, ch, cl);
-  sum64(this.h, 6, dh, dl);
-  sum64(this.h, 8, eh, el);
-  sum64(this.h, 10, fh, fl);
-  sum64(this.h, 12, gh, gl);
-  sum64(this.h, 14, hh, hl);
-};
-
-SHA512.prototype._digest = function digest(enc) {
-  if (enc === 'hex')
-    return utils.toHex32(this.h, 'big');
-  else
-    return utils.split32(this.h, 'big');
-};
-
-function SHA384() {
-  if (!(this instanceof SHA384))
-    return new SHA384();
-
-  SHA512.call(this);
-  this.h = [ 0xcbbb9d5d, 0xc1059ed8,
-             0x629a292a, 0x367cd507,
-             0x9159015a, 0x3070dd17,
-             0x152fecd8, 0xf70e5939,
-             0x67332667, 0xffc00b31,
-             0x8eb44a87, 0x68581511,
-             0xdb0c2e0d, 0x64f98fa7,
-             0x47b5481d, 0xbefa4fa4 ];
-}
-utils.inherits(SHA384, SHA512);
-exports.sha384 = SHA384;
-
-SHA384.blockSize = 1024;
-SHA384.outSize = 384;
-SHA384.hmacStrength = 192;
-SHA384.padLength = 128;
-
-SHA384.prototype._digest = function digest(enc) {
-  if (enc === 'hex')
-    return utils.toHex32(this.h.slice(0, 12), 'big');
-  else
-    return utils.split32(this.h.slice(0, 12), 'big');
-};
-
-function SHA1() {
-  if (!(this instanceof SHA1))
-    return new SHA1();
-
-  BlockHash.call(this);
-  this.h = [ 0x67452301, 0xefcdab89, 0x98badcfe,
-             0x10325476, 0xc3d2e1f0 ];
-  this.W = new Array(80);
-}
-
-utils.inherits(SHA1, BlockHash);
-exports.sha1 = SHA1;
-
-SHA1.blockSize = 512;
-SHA1.outSize = 160;
-SHA1.hmacStrength = 80;
-SHA1.padLength = 64;
-
-SHA1.prototype._update = function _update(msg, start) {
-  var W = this.W;
-
-  for (var i = 0; i < 16; i++)
-    W[i] = msg[start + i];
-
-  for(; i < W.length; i++)
-    W[i] = rotl32(W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16], 1);
-
-  var a = this.h[0];
-  var b = this.h[1];
-  var c = this.h[2];
-  var d = this.h[3];
-  var e = this.h[4];
-
-  for (var i = 0; i < W.length; i++) {
-    var s = ~~(i / 20);
-    var t = sum32_5(rotl32(a, 5), ft_1(s, b, c, d), e, W[i], sha1_K[s]);
-    e = d;
-    d = c;
-    c = rotl32(b, 30);
-    b = a;
-    a = t;
-  }
-
-  this.h[0] = sum32(this.h[0], a);
-  this.h[1] = sum32(this.h[1], b);
-  this.h[2] = sum32(this.h[2], c);
-  this.h[3] = sum32(this.h[3], d);
-  this.h[4] = sum32(this.h[4], e);
-};
-
-SHA1.prototype._digest = function digest(enc) {
-  if (enc === 'hex')
-    return utils.toHex32(this.h, 'big');
-  else
-    return utils.split32(this.h, 'big');
-};
-
-function ch32(x, y, z) {
-  return (x & y) ^ ((~x) & z);
-}
-
-function maj32(x, y, z) {
-  return (x & y) ^ (x & z) ^ (y & z);
-}
-
-function p32(x, y, z) {
-  return x ^ y ^ z;
-}
-
-function s0_256(x) {
-  return rotr32(x, 2) ^ rotr32(x, 13) ^ rotr32(x, 22);
-}
-
-function s1_256(x) {
-  return rotr32(x, 6) ^ rotr32(x, 11) ^ rotr32(x, 25);
-}
-
-function g0_256(x) {
-  return rotr32(x, 7) ^ rotr32(x, 18) ^ (x >>> 3);
-}
-
-function g1_256(x) {
-  return rotr32(x, 17) ^ rotr32(x, 19) ^ (x >>> 10);
-}
-
-function ft_1(s, x, y, z) {
-  if (s === 0)
-    return ch32(x, y, z);
-  if (s === 1 || s === 3)
-    return p32(x, y, z);
-  if (s === 2)
-    return maj32(x, y, z);
-}
-
-function ch64_hi(xh, xl, yh, yl, zh, zl) {
-  var r = (xh & yh) ^ ((~xh) & zh);
-  if (r < 0)
-    r += 0x100000000;
-  return r;
-}
-
-function ch64_lo(xh, xl, yh, yl, zh, zl) {
-  var r = (xl & yl) ^ ((~xl) & zl);
-  if (r < 0)
-    r += 0x100000000;
-  return r;
-}
-
-function maj64_hi(xh, xl, yh, yl, zh, zl) {
-  var r = (xh & yh) ^ (xh & zh) ^ (yh & zh);
-  if (r < 0)
-    r += 0x100000000;
-  return r;
-}
-
-function maj64_lo(xh, xl, yh, yl, zh, zl) {
-  var r = (xl & yl) ^ (xl & zl) ^ (yl & zl);
-  if (r < 0)
-    r += 0x100000000;
-  return r;
-}
-
-function s0_512_hi(xh, xl) {
-  var c0_hi = rotr64_hi(xh, xl, 28);
-  var c1_hi = rotr64_hi(xl, xh, 2);  // 34
-  var c2_hi = rotr64_hi(xl, xh, 7);  // 39
-
-  var r = c0_hi ^ c1_hi ^ c2_hi;
-  if (r < 0)
-    r += 0x100000000;
-  return r;
-}
-
-function s0_512_lo(xh, xl) {
-  var c0_lo = rotr64_lo(xh, xl, 28);
-  var c1_lo = rotr64_lo(xl, xh, 2);  // 34
-  var c2_lo = rotr64_lo(xl, xh, 7);  // 39
-
-  var r = c0_lo ^ c1_lo ^ c2_lo;
-  if (r < 0)
-    r += 0x100000000;
-  return r;
-}
-
-function s1_512_hi(xh, xl) {
-  var c0_hi = rotr64_hi(xh, xl, 14);
-  var c1_hi = rotr64_hi(xh, xl, 18);
-  var c2_hi = rotr64_hi(xl, xh, 9);  // 41
-
-  var r = c0_hi ^ c1_hi ^ c2_hi;
-  if (r < 0)
-    r += 0x100000000;
-  return r;
-}
-
-function s1_512_lo(xh, xl) {
-  var c0_lo = rotr64_lo(xh, xl, 14);
-  var c1_lo = rotr64_lo(xh, xl, 18);
-  var c2_lo = rotr64_lo(xl, xh, 9);  // 41
-
-  var r = c0_lo ^ c1_lo ^ c2_lo;
-  if (r < 0)
-    r += 0x100000000;
-  return r;
-}
-
-function g0_512_hi(xh, xl) {
-  var c0_hi = rotr64_hi(xh, xl, 1);
-  var c1_hi = rotr64_hi(xh, xl, 8);
-  var c2_hi = shr64_hi(xh, xl, 7);
-
-  var r = c0_hi ^ c1_hi ^ c2_hi;
-  if (r < 0)
-    r += 0x100000000;
-  return r;
-}
-
-function g0_512_lo(xh, xl) {
-  var c0_lo = rotr64_lo(xh, xl, 1);
-  var c1_lo = rotr64_lo(xh, xl, 8);
-  var c2_lo = shr64_lo(xh, xl, 7);
-
-  var r = c0_lo ^ c1_lo ^ c2_lo;
-  if (r < 0)
-    r += 0x100000000;
-  return r;
-}
-
-function g1_512_hi(xh, xl) {
-  var c0_hi = rotr64_hi(xh, xl, 19);
-  var c1_hi = rotr64_hi(xl, xh, 29);  // 61
-  var c2_hi = shr64_hi(xh, xl, 6);
-
-  var r = c0_hi ^ c1_hi ^ c2_hi;
-  if (r < 0)
-    r += 0x100000000;
-  return r;
-}
-
-function g1_512_lo(xh, xl) {
-  var c0_lo = rotr64_lo(xh, xl, 19);
-  var c1_lo = rotr64_lo(xl, xh, 29);  // 61
-  var c2_lo = shr64_lo(xh, xl, 6);
-
-  var r = c0_lo ^ c1_lo ^ c2_lo;
-  if (r < 0)
-    r += 0x100000000;
-  return r;
-}
+exports.sha1 = require('./sha/1');
+exports.sha224 = require('./sha/224');
+exports.sha256 = require('./sha/256');
+exports.sha384 = require('./sha/384');
+exports.sha512 = require('./sha/512');
diff --git a/node_modules/hash.js/lib/hash/sha/1.js b/node_modules/hash.js/lib/hash/sha/1.js
new file mode 100644
index 000000000..fcdfa2946
--- /dev/null
+++ b/node_modules/hash.js/lib/hash/sha/1.js
@@ -0,0 +1,74 @@
+'use strict';
+
+var utils = require('../utils');
+var common = require('../common');
+var shaCommon = require('./common');
+
+var rotl32 = utils.rotl32;
+var sum32 = utils.sum32;
+var sum32_5 = utils.sum32_5;
+var ft_1 = shaCommon.ft_1;
+var BlockHash = common.BlockHash;
+
+var sha1_K = [
+  0x5A827999, 0x6ED9EBA1,
+  0x8F1BBCDC, 0xCA62C1D6
+];
+
+function SHA1() {
+  if (!(this instanceof SHA1))
+    return new SHA1();
+
+  BlockHash.call(this);
+  this.h = [
+    0x67452301, 0xefcdab89, 0x98badcfe,
+    0x10325476, 0xc3d2e1f0 ];
+  this.W = new Array(80);
+}
+
+utils.inherits(SHA1, BlockHash);
+module.exports = SHA1;
+
+SHA1.blockSize = 512;
+SHA1.outSize = 160;
+SHA1.hmacStrength = 80;
+SHA1.padLength = 64;
+
+SHA1.prototype._update = function _update(msg, start) {
+  var W = this.W;
+
+  for (var i = 0; i < 16; i++)
+    W[i] = msg[start + i];
+
+  for(; i < W.length; i++)
+    W[i] = rotl32(W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16], 1);
+
+  var a = this.h[0];
+  var b = this.h[1];
+  var c = this.h[2];
+  var d = this.h[3];
+  var e = this.h[4];
+
+  for (i = 0; i < W.length; i++) {
+    var s = ~~(i / 20);
+    var t = sum32_5(rotl32(a, 5), ft_1(s, b, c, d), e, W[i], sha1_K[s]);
+    e = d;
+    d = c;
+    c = rotl32(b, 30);
+    b = a;
+    a = t;
+  }
+
+  this.h[0] = sum32(this.h[0], a);
+  this.h[1] = sum32(this.h[1], b);
+  this.h[2] = sum32(this.h[2], c);
+  this.h[3] = sum32(this.h[3], d);
+  this.h[4] = sum32(this.h[4], e);
+};
+
+SHA1.prototype._digest = function digest(enc) {
+  if (enc === 'hex')
+    return utils.toHex32(this.h, 'big');
+  else
+    return utils.split32(this.h, 'big');
+};
diff --git a/node_modules/hash.js/lib/hash/sha/224.js b/node_modules/hash.js/lib/hash/sha/224.js
new file mode 100644
index 000000000..c69882db5
--- /dev/null
+++ b/node_modules/hash.js/lib/hash/sha/224.js
@@ -0,0 +1,30 @@
+'use strict';
+
+var utils = require('../utils');
+var SHA256 = require('./256');
+
+function SHA224() {
+  if (!(this instanceof SHA224))
+    return new SHA224();
+
+  SHA256.call(this);
+  this.h = [
+    0xc1059ed8, 0x367cd507, 0x3070dd17, 0xf70e5939,
+    0xffc00b31, 0x68581511, 0x64f98fa7, 0xbefa4fa4 ];
+}
+utils.inherits(SHA224, SHA256);
+module.exports = SHA224;
+
+SHA224.blockSize = 512;
+SHA224.outSize = 224;
+SHA224.hmacStrength = 192;
+SHA224.padLength = 64;
+
+SHA224.prototype._digest = function digest(enc) {
+  // Just truncate output
+  if (enc === 'hex')
+    return utils.toHex32(this.h.slice(0, 7), 'big');
+  else
+    return utils.split32(this.h.slice(0, 7), 'big');
+};
+
diff --git a/node_modules/hash.js/lib/hash/sha/256.js b/node_modules/hash.js/lib/hash/sha/256.js
new file mode 100644
index 000000000..6dbd6a0c4
--- /dev/null
+++ b/node_modules/hash.js/lib/hash/sha/256.js
@@ -0,0 +1,105 @@
+'use strict';
+
+var utils = require('../utils');
+var common = require('../common');
+var shaCommon = require('./common');
+var assert = require('minimalistic-assert');
+
+var sum32 = utils.sum32;
+var sum32_4 = utils.sum32_4;
+var sum32_5 = utils.sum32_5;
+var ch32 = shaCommon.ch32;
+var maj32 = shaCommon.maj32;
+var s0_256 = shaCommon.s0_256;
+var s1_256 = shaCommon.s1_256;
+var g0_256 = shaCommon.g0_256;
+var g1_256 = shaCommon.g1_256;
+
+var BlockHash = common.BlockHash;
+
+var sha256_K = [
+  0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
+  0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
+  0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
+  0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
+  0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
+  0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
+  0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
+  0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
+  0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
+  0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
+  0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
+  0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
+  0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
+  0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
+  0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
+  0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
+];
+
+function SHA256() {
+  if (!(this instanceof SHA256))
+    return new SHA256();
+
+  BlockHash.call(this);
+  this.h = [
+    0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a,
+    0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19
+  ];
+  this.k = sha256_K;
+  this.W = new Array(64);
+}
+utils.inherits(SHA256, BlockHash);
+module.exports = SHA256;
+
+SHA256.blockSize = 512;
+SHA256.outSize = 256;
+SHA256.hmacStrength = 192;
+SHA256.padLength = 64;
+
+SHA256.prototype._update = function _update(msg, start) {
+  var W = this.W;
+
+  for (var i = 0; i < 16; i++)
+    W[i] = msg[start + i];
+  for (; i < W.length; i++)
+    W[i] = sum32_4(g1_256(W[i - 2]), W[i - 7], g0_256(W[i - 15]), W[i - 16]);
+
+  var a = this.h[0];
+  var b = this.h[1];
+  var c = this.h[2];
+  var d = this.h[3];
+  var e = this.h[4];
+  var f = this.h[5];
+  var g = this.h[6];
+  var h = this.h[7];
+
+  assert(this.k.length === W.length);
+  for (i = 0; i < W.length; i++) {
+    var T1 = sum32_5(h, s1_256(e), ch32(e, f, g), this.k[i], W[i]);
+    var T2 = sum32(s0_256(a), maj32(a, b, c));
+    h = g;
+    g = f;
+    f = e;
+    e = sum32(d, T1);
+    d = c;
+    c = b;
+    b = a;
+    a = sum32(T1, T2);
+  }
+
+  this.h[0] = sum32(this.h[0], a);
+  this.h[1] = sum32(this.h[1], b);
+  this.h[2] = sum32(this.h[2], c);
+  this.h[3] = sum32(this.h[3], d);
+  this.h[4] = sum32(this.h[4], e);
+  this.h[5] = sum32(this.h[5], f);
+  this.h[6] = sum32(this.h[6], g);
+  this.h[7] = sum32(this.h[7], h);
+};
+
+SHA256.prototype._digest = function digest(enc) {
+  if (enc === 'hex')
+    return utils.toHex32(this.h, 'big');
+  else
+    return utils.split32(this.h, 'big');
+};
diff --git a/node_modules/hash.js/lib/hash/sha/384.js b/node_modules/hash.js/lib/hash/sha/384.js
new file mode 100644
index 000000000..01df25608
--- /dev/null
+++ b/node_modules/hash.js/lib/hash/sha/384.js
@@ -0,0 +1,35 @@
+'use strict';
+
+var utils = require('../utils');
+
+var SHA512 = require('./512');
+
+function SHA384() {
+  if (!(this instanceof SHA384))
+    return new SHA384();
+
+  SHA512.call(this);
+  this.h = [
+    0xcbbb9d5d, 0xc1059ed8,
+    0x629a292a, 0x367cd507,
+    0x9159015a, 0x3070dd17,
+    0x152fecd8, 0xf70e5939,
+    0x67332667, 0xffc00b31,
+    0x8eb44a87, 0x68581511,
+    0xdb0c2e0d, 0x64f98fa7,
+    0x47b5481d, 0xbefa4fa4 ];
+}
+utils.inherits(SHA384, SHA512);
+module.exports = SHA384;
+
+SHA384.blockSize = 1024;
+SHA384.outSize = 384;
+SHA384.hmacStrength = 192;
+SHA384.padLength = 128;
+
+SHA384.prototype._digest = function digest(enc) {
+  if (enc === 'hex')
+    return utils.toHex32(this.h.slice(0, 12), 'big');
+  else
+    return utils.split32(this.h.slice(0, 12), 'big');
+};
diff --git a/node_modules/hash.js/lib/hash/sha/512.js b/node_modules/hash.js/lib/hash/sha/512.js
new file mode 100644
index 000000000..c371a2590
--- /dev/null
+++ b/node_modules/hash.js/lib/hash/sha/512.js
@@ -0,0 +1,330 @@
+'use strict';
+
+var utils = require('../utils');
+var common = require('../common');
+var assert = require('minimalistic-assert');
+
+var rotr64_hi = utils.rotr64_hi;
+var rotr64_lo = utils.rotr64_lo;
+var shr64_hi = utils.shr64_hi;
+var shr64_lo = utils.shr64_lo;
+var sum64 = utils.sum64;
+var sum64_hi = utils.sum64_hi;
+var sum64_lo = utils.sum64_lo;
+var sum64_4_hi = utils.sum64_4_hi;
+var sum64_4_lo = utils.sum64_4_lo;
+var sum64_5_hi = utils.sum64_5_hi;
+var sum64_5_lo = utils.sum64_5_lo;
+
+var BlockHash = common.BlockHash;
+
+var sha512_K = [
+  0x428a2f98, 0xd728ae22, 0x71374491, 0x23ef65cd,
+  0xb5c0fbcf, 0xec4d3b2f, 0xe9b5dba5, 0x8189dbbc,
+  0x3956c25b, 0xf348b538, 0x59f111f1, 0xb605d019,
+  0x923f82a4, 0xaf194f9b, 0xab1c5ed5, 0xda6d8118,
+  0xd807aa98, 0xa3030242, 0x12835b01, 0x45706fbe,
+  0x243185be, 0x4ee4b28c, 0x550c7dc3, 0xd5ffb4e2,
+  0x72be5d74, 0xf27b896f, 0x80deb1fe, 0x3b1696b1,
+  0x9bdc06a7, 0x25c71235, 0xc19bf174, 0xcf692694,
+  0xe49b69c1, 0x9ef14ad2, 0xefbe4786, 0x384f25e3,
+  0x0fc19dc6, 0x8b8cd5b5, 0x240ca1cc, 0x77ac9c65,
+  0x2de92c6f, 0x592b0275, 0x4a7484aa, 0x6ea6e483,
+  0x5cb0a9dc, 0xbd41fbd4, 0x76f988da, 0x831153b5,
+  0x983e5152, 0xee66dfab, 0xa831c66d, 0x2db43210,
+  0xb00327c8, 0x98fb213f, 0xbf597fc7, 0xbeef0ee4,
+  0xc6e00bf3, 0x3da88fc2, 0xd5a79147, 0x930aa725,
+  0x06ca6351, 0xe003826f, 0x14292967, 0x0a0e6e70,
+  0x27b70a85, 0x46d22ffc, 0x2e1b2138, 0x5c26c926,
+  0x4d2c6dfc, 0x5ac42aed, 0x53380d13, 0x9d95b3df,
+  0x650a7354, 0x8baf63de, 0x766a0abb, 0x3c77b2a8,
+  0x81c2c92e, 0x47edaee6, 0x92722c85, 0x1482353b,
+  0xa2bfe8a1, 0x4cf10364, 0xa81a664b, 0xbc423001,
+  0xc24b8b70, 0xd0f89791, 0xc76c51a3, 0x0654be30,
+  0xd192e819, 0xd6ef5218, 0xd6990624, 0x5565a910,
+  0xf40e3585, 0x5771202a, 0x106aa070, 0x32bbd1b8,
+  0x19a4c116, 0xb8d2d0c8, 0x1e376c08, 0x5141ab53,
+  0x2748774c, 0xdf8eeb99, 0x34b0bcb5, 0xe19b48a8,
+  0x391c0cb3, 0xc5c95a63, 0x4ed8aa4a, 0xe3418acb,
+  0x5b9cca4f, 0x7763e373, 0x682e6ff3, 0xd6b2b8a3,
+  0x748f82ee, 0x5defb2fc, 0x78a5636f, 0x43172f60,
+  0x84c87814, 0xa1f0ab72, 0x8cc70208, 0x1a6439ec,
+  0x90befffa, 0x23631e28, 0xa4506ceb, 0xde82bde9,
+  0xbef9a3f7, 0xb2c67915, 0xc67178f2, 0xe372532b,
+  0xca273ece, 0xea26619c, 0xd186b8c7, 0x21c0c207,
+  0xeada7dd6, 0xcde0eb1e, 0xf57d4f7f, 0xee6ed178,
+  0x06f067aa, 0x72176fba, 0x0a637dc5, 0xa2c898a6,
+  0x113f9804, 0xbef90dae, 0x1b710b35, 0x131c471b,
+  0x28db77f5, 0x23047d84, 0x32caab7b, 0x40c72493,
+  0x3c9ebe0a, 0x15c9bebc, 0x431d67c4, 0x9c100d4c,
+  0x4cc5d4be, 0xcb3e42b6, 0x597f299c, 0xfc657e2a,
+  0x5fcb6fab, 0x3ad6faec, 0x6c44198c, 0x4a475817
+];
+
+function SHA512() {
+  if (!(this instanceof SHA512))
+    return new SHA512();
+
+  BlockHash.call(this);
+  this.h = [
+    0x6a09e667, 0xf3bcc908,
+    0xbb67ae85, 0x84caa73b,
+    0x3c6ef372, 0xfe94f82b,
+    0xa54ff53a, 0x5f1d36f1,
+    0x510e527f, 0xade682d1,
+    0x9b05688c, 0x2b3e6c1f,
+    0x1f83d9ab, 0xfb41bd6b,
+    0x5be0cd19, 0x137e2179 ];
+  this.k = sha512_K;
+  this.W = new Array(160);
+}
+utils.inherits(SHA512, BlockHash);
+module.exports = SHA512;
+
+SHA512.blockSize = 1024;
+SHA512.outSize = 512;
+SHA512.hmacStrength = 192;
+SHA512.padLength = 128;
+
+SHA512.prototype._prepareBlock = function _prepareBlock(msg, start) {
+  var W = this.W;
+
+  // 32 x 32bit words
+  for (var i = 0; i < 32; i++)
+    W[i] = msg[start + i];
+  for (; i < W.length; i += 2) {
+    var c0_hi = g1_512_hi(W[i - 4], W[i - 3]);  // i - 2
+    var c0_lo = g1_512_lo(W[i - 4], W[i - 3]);
+    var c1_hi = W[i - 14];  // i - 7
+    var c1_lo = W[i - 13];
+    var c2_hi = g0_512_hi(W[i - 30], W[i - 29]);  // i - 15
+    var c2_lo = g0_512_lo(W[i - 30], W[i - 29]);
+    var c3_hi = W[i - 32];  // i - 16
+    var c3_lo = W[i - 31];
+
+    W[i] = sum64_4_hi(
+      c0_hi, c0_lo,
+      c1_hi, c1_lo,
+      c2_hi, c2_lo,
+      c3_hi, c3_lo);
+    W[i + 1] = sum64_4_lo(
+      c0_hi, c0_lo,
+      c1_hi, c1_lo,
+      c2_hi, c2_lo,
+      c3_hi, c3_lo);
+  }
+};
+
+SHA512.prototype._update = function _update(msg, start) {
+  this._prepareBlock(msg, start);
+
+  var W = this.W;
+
+  var ah = this.h[0];
+  var al = this.h[1];
+  var bh = this.h[2];
+  var bl = this.h[3];
+  var ch = this.h[4];
+  var cl = this.h[5];
+  var dh = this.h[6];
+  var dl = this.h[7];
+  var eh = this.h[8];
+  var el = this.h[9];
+  var fh = this.h[10];
+  var fl = this.h[11];
+  var gh = this.h[12];
+  var gl = this.h[13];
+  var hh = this.h[14];
+  var hl = this.h[15];
+
+  assert(this.k.length === W.length);
+  for (var i = 0; i < W.length; i += 2) {
+    var c0_hi = hh;
+    var c0_lo = hl;
+    var c1_hi = s1_512_hi(eh, el);
+    var c1_lo = s1_512_lo(eh, el);
+    var c2_hi = ch64_hi(eh, el, fh, fl, gh, gl);
+    var c2_lo = ch64_lo(eh, el, fh, fl, gh, gl);
+    var c3_hi = this.k[i];
+    var c3_lo = this.k[i + 1];
+    var c4_hi = W[i];
+    var c4_lo = W[i + 1];
+
+    var T1_hi = sum64_5_hi(
+      c0_hi, c0_lo,
+      c1_hi, c1_lo,
+      c2_hi, c2_lo,
+      c3_hi, c3_lo,
+      c4_hi, c4_lo);
+    var T1_lo = sum64_5_lo(
+      c0_hi, c0_lo,
+      c1_hi, c1_lo,
+      c2_hi, c2_lo,
+      c3_hi, c3_lo,
+      c4_hi, c4_lo);
+
+    c0_hi = s0_512_hi(ah, al);
+    c0_lo = s0_512_lo(ah, al);
+    c1_hi = maj64_hi(ah, al, bh, bl, ch, cl);
+    c1_lo = maj64_lo(ah, al, bh, bl, ch, cl);
+
+    var T2_hi = sum64_hi(c0_hi, c0_lo, c1_hi, c1_lo);
+    var T2_lo = sum64_lo(c0_hi, c0_lo, c1_hi, c1_lo);
+
+    hh = gh;
+    hl = gl;
+
+    gh = fh;
+    gl = fl;
+
+    fh = eh;
+    fl = el;
+
+    eh = sum64_hi(dh, dl, T1_hi, T1_lo);
+    el = sum64_lo(dl, dl, T1_hi, T1_lo);
+
+    dh = ch;
+    dl = cl;
+
+    ch = bh;
+    cl = bl;
+
+    bh = ah;
+    bl = al;
+
+    ah = sum64_hi(T1_hi, T1_lo, T2_hi, T2_lo);
+    al = sum64_lo(T1_hi, T1_lo, T2_hi, T2_lo);
+  }
+
+  sum64(this.h, 0, ah, al);
+  sum64(this.h, 2, bh, bl);
+  sum64(this.h, 4, ch, cl);
+  sum64(this.h, 6, dh, dl);
+  sum64(this.h, 8, eh, el);
+  sum64(this.h, 10, fh, fl);
+  sum64(this.h, 12, gh, gl);
+  sum64(this.h, 14, hh, hl);
+};
+
+SHA512.prototype._digest = function digest(enc) {
+  if (enc === 'hex')
+    return utils.toHex32(this.h, 'big');
+  else
+    return utils.split32(this.h, 'big');
+};
+
+function ch64_hi(xh, xl, yh, yl, zh) {
+  var r = (xh & yh) ^ ((~xh) & zh);
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function ch64_lo(xh, xl, yh, yl, zh, zl) {
+  var r = (xl & yl) ^ ((~xl) & zl);
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function maj64_hi(xh, xl, yh, yl, zh) {
+  var r = (xh & yh) ^ (xh & zh) ^ (yh & zh);
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function maj64_lo(xh, xl, yh, yl, zh, zl) {
+  var r = (xl & yl) ^ (xl & zl) ^ (yl & zl);
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function s0_512_hi(xh, xl) {
+  var c0_hi = rotr64_hi(xh, xl, 28);
+  var c1_hi = rotr64_hi(xl, xh, 2);  // 34
+  var c2_hi = rotr64_hi(xl, xh, 7);  // 39
+
+  var r = c0_hi ^ c1_hi ^ c2_hi;
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function s0_512_lo(xh, xl) {
+  var c0_lo = rotr64_lo(xh, xl, 28);
+  var c1_lo = rotr64_lo(xl, xh, 2);  // 34
+  var c2_lo = rotr64_lo(xl, xh, 7);  // 39
+
+  var r = c0_lo ^ c1_lo ^ c2_lo;
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function s1_512_hi(xh, xl) {
+  var c0_hi = rotr64_hi(xh, xl, 14);
+  var c1_hi = rotr64_hi(xh, xl, 18);
+  var c2_hi = rotr64_hi(xl, xh, 9);  // 41
+
+  var r = c0_hi ^ c1_hi ^ c2_hi;
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function s1_512_lo(xh, xl) {
+  var c0_lo = rotr64_lo(xh, xl, 14);
+  var c1_lo = rotr64_lo(xh, xl, 18);
+  var c2_lo = rotr64_lo(xl, xh, 9);  // 41
+
+  var r = c0_lo ^ c1_lo ^ c2_lo;
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function g0_512_hi(xh, xl) {
+  var c0_hi = rotr64_hi(xh, xl, 1);
+  var c1_hi = rotr64_hi(xh, xl, 8);
+  var c2_hi = shr64_hi(xh, xl, 7);
+
+  var r = c0_hi ^ c1_hi ^ c2_hi;
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function g0_512_lo(xh, xl) {
+  var c0_lo = rotr64_lo(xh, xl, 1);
+  var c1_lo = rotr64_lo(xh, xl, 8);
+  var c2_lo = shr64_lo(xh, xl, 7);
+
+  var r = c0_lo ^ c1_lo ^ c2_lo;
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function g1_512_hi(xh, xl) {
+  var c0_hi = rotr64_hi(xh, xl, 19);
+  var c1_hi = rotr64_hi(xl, xh, 29);  // 61
+  var c2_hi = shr64_hi(xh, xl, 6);
+
+  var r = c0_hi ^ c1_hi ^ c2_hi;
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
+
+function g1_512_lo(xh, xl) {
+  var c0_lo = rotr64_lo(xh, xl, 19);
+  var c1_lo = rotr64_lo(xl, xh, 29);  // 61
+  var c2_lo = shr64_lo(xh, xl, 6);
+
+  var r = c0_lo ^ c1_lo ^ c2_lo;
+  if (r < 0)
+    r += 0x100000000;
+  return r;
+}
diff --git a/node_modules/hash.js/lib/hash/sha/common.js b/node_modules/hash.js/lib/hash/sha/common.js
new file mode 100644
index 000000000..d41b46431
--- /dev/null
+++ b/node_modules/hash.js/lib/hash/sha/common.js
@@ -0,0 +1,49 @@
+'use strict';
+
+var utils = require('../utils');
+var rotr32 = utils.rotr32;
+
+function ft_1(s, x, y, z) {
+  if (s === 0)
+    return ch32(x, y, z);
+  if (s === 1 || s === 3)
+    return p32(x, y, z);
+  if (s === 2)
+    return maj32(x, y, z);
+}
+exports.ft_1 = ft_1;
+
+function ch32(x, y, z) {
+  return (x & y) ^ ((~x) & z);
+}
+exports.ch32 = ch32;
+
+function maj32(x, y, z) {
+  return (x & y) ^ (x & z) ^ (y & z);
+}
+exports.maj32 = maj32;
+
+function p32(x, y, z) {
+  return x ^ y ^ z;
+}
+exports.p32 = p32;
+
+function s0_256(x) {
+  return rotr32(x, 2) ^ rotr32(x, 13) ^ rotr32(x, 22);
+}
+exports.s0_256 = s0_256;
+
+function s1_256(x) {
+  return rotr32(x, 6) ^ rotr32(x, 11) ^ rotr32(x, 25);
+}
+exports.s1_256 = s1_256;
+
+function g0_256(x) {
+  return rotr32(x, 7) ^ rotr32(x, 18) ^ (x >>> 3);
+}
+exports.g0_256 = g0_256;
+
+function g1_256(x) {
+  return rotr32(x, 17) ^ rotr32(x, 19) ^ (x >>> 10);
+}
+exports.g1_256 = g1_256;
diff --git a/node_modules/hash.js/lib/hash/utils.js b/node_modules/hash.js/lib/hash/utils.js
index 00ed5fb43..3d7d4ea7e 100644
--- a/node_modules/hash.js/lib/hash/utils.js
+++ b/node_modules/hash.js/lib/hash/utils.js
@@ -1,6 +1,10 @@
-var utils = exports;
+'use strict';
+
+var assert = require('minimalistic-assert');
 var inherits = require('inherits');
 
+exports.inherits = inherits;
+
 function toArray(msg, enc) {
   if (Array.isArray(msg))
     return msg.slice();
@@ -22,16 +26,16 @@ function toArray(msg, enc) {
       msg = msg.replace(/[^a-z0-9]+/ig, '');
       if (msg.length % 2 !== 0)
         msg = '0' + msg;
-      for (var i = 0; i < msg.length; i += 2)
+      for (i = 0; i < msg.length; i += 2)
         res.push(parseInt(msg[i] + msg[i + 1], 16));
     }
   } else {
-    for (var i = 0; i < msg.length; i++)
+    for (i = 0; i < msg.length; i++)
       res[i] = msg[i] | 0;
   }
   return res;
 }
-utils.toArray = toArray;
+exports.toArray = toArray;
 
 function toHex(msg) {
   var res = '';
@@ -39,7 +43,7 @@ function toHex(msg) {
     res += zero2(msg[i].toString(16));
   return res;
 }
-utils.toHex = toHex;
+exports.toHex = toHex;
 
 function htonl(w) {
   var res = (w >>> 24) |
@@ -48,7 +52,7 @@ function htonl(w) {
             ((w & 0xff) << 24);
   return res >>> 0;
 }
-utils.htonl = htonl;
+exports.htonl = htonl;
 
 function toHex32(msg, endian) {
   var res = '';
@@ -60,7 +64,7 @@ function toHex32(msg, endian) {
   }
   return res;
 }
-utils.toHex32 = toHex32;
+exports.toHex32 = toHex32;
 
 function zero2(word) {
   if (word.length === 1)
@@ -68,7 +72,7 @@ function zero2(word) {
   else
     return word;
 }
-utils.zero2 = zero2;
+exports.zero2 = zero2;
 
 function zero8(word) {
   if (word.length === 7)
@@ -88,7 +92,7 @@ function zero8(word) {
   else
     return word;
 }
-utils.zero8 = zero8;
+exports.zero8 = zero8;
 
 function join32(msg, start, end, endian) {
   var len = end - start;
@@ -104,7 +108,7 @@ function join32(msg, start, end, endian) {
   }
   return res;
 }
-utils.join32 = join32;
+exports.join32 = join32;
 
 function split32(msg, endian) {
   var res = new Array(msg.length * 4);
@@ -124,45 +128,37 @@ function split32(msg, endian) {
   }
   return res;
 }
-utils.split32 = split32;
+exports.split32 = split32;
 
 function rotr32(w, b) {
   return (w >>> b) | (w << (32 - b));
 }
-utils.rotr32 = rotr32;
+exports.rotr32 = rotr32;
 
 function rotl32(w, b) {
   return (w << b) | (w >>> (32 - b));
 }
-utils.rotl32 = rotl32;
+exports.rotl32 = rotl32;
 
 function sum32(a, b) {
   return (a + b) >>> 0;
 }
-utils.sum32 = sum32;
+exports.sum32 = sum32;
 
 function sum32_3(a, b, c) {
   return (a + b + c) >>> 0;
 }
-utils.sum32_3 = sum32_3;
+exports.sum32_3 = sum32_3;
 
 function sum32_4(a, b, c, d) {
   return (a + b + c + d) >>> 0;
 }
-utils.sum32_4 = sum32_4;
+exports.sum32_4 = sum32_4;
 
 function sum32_5(a, b, c, d, e) {
   return (a + b + c + d + e) >>> 0;
 }
-utils.sum32_5 = sum32_5;
-
-function assert(cond, msg) {
-  if (!cond)
-    throw new Error(msg || 'Assertion failed');
-}
-utils.assert = assert;
-
-utils.inherits = inherits;
+exports.sum32_5 = sum32_5;
 
 function sum64(buf, pos, ah, al) {
   var bh = buf[pos];
@@ -179,13 +175,13 @@ function sum64_hi(ah, al, bh, bl) {
   var lo = (al + bl) >>> 0;
   var hi = (lo < al ? 1 : 0) + ah + bh;
   return hi >>> 0;
-};
+}
 exports.sum64_hi = sum64_hi;
 
 function sum64_lo(ah, al, bh, bl) {
   var lo = al + bl;
   return lo >>> 0;
-};
+}
 exports.sum64_lo = sum64_lo;
 
 function sum64_4_hi(ah, al, bh, bl, ch, cl, dh, dl) {
@@ -200,13 +196,13 @@ function sum64_4_hi(ah, al, bh, bl, ch, cl, dh, dl) {
 
   var hi = ah + bh + ch + dh + carry;
   return hi >>> 0;
-};
+}
 exports.sum64_4_hi = sum64_4_hi;
 
 function sum64_4_lo(ah, al, bh, bl, ch, cl, dh, dl) {
   var lo = al + bl + cl + dl;
   return lo >>> 0;
-};
+}
 exports.sum64_4_lo = sum64_4_lo;
 
 function sum64_5_hi(ah, al, bh, bl, ch, cl, dh, dl, eh, el) {
@@ -223,35 +219,35 @@ function sum64_5_hi(ah, al, bh, bl, ch, cl, dh, dl, eh, el) {
 
   var hi = ah + bh + ch + dh + eh + carry;
   return hi >>> 0;
-};
+}
 exports.sum64_5_hi = sum64_5_hi;
 
 function sum64_5_lo(ah, al, bh, bl, ch, cl, dh, dl, eh, el) {
   var lo = al + bl + cl + dl + el;
 
   return lo >>> 0;
-};
+}
 exports.sum64_5_lo = sum64_5_lo;
 
 function rotr64_hi(ah, al, num) {
   var r = (al << (32 - num)) | (ah >>> num);
   return r >>> 0;
-};
+}
 exports.rotr64_hi = rotr64_hi;
 
 function rotr64_lo(ah, al, num) {
   var r = (ah << (32 - num)) | (al >>> num);
   return r >>> 0;
-};
+}
 exports.rotr64_lo = rotr64_lo;
 
 function shr64_hi(ah, al, num) {
   return ah >>> num;
-};
+}
 exports.shr64_hi = shr64_hi;
 
 function shr64_lo(ah, al, num) {
   var r = (ah << (32 - num)) | (al >>> num);
   return r >>> 0;
-};
+}
 exports.shr64_lo = shr64_lo;
diff --git a/node_modules/hash.js/package.json b/node_modules/hash.js/package.json
index 04f7b6565..20524c865 100644
--- a/node_modules/hash.js/package.json
+++ b/node_modules/hash.js/package.json
@@ -1,10 +1,12 @@
 {
   "name": "hash.js",
-  "version": "1.0.3",
+  "version": "1.1.3",
   "description": "Various hash functions that could be run by both browser and node",
   "main": "lib/hash.js",
+  "typings": "lib/hash.d.ts",
   "scripts": {
-    "test": "mocha --reporter=spec test/*-test.js"
+    "test": "mocha --reporter=spec test/*-test.js && npm run lint",
+    "lint": "eslint lib/*.js lib/**/*.js lib/**/**/*.js test/*.js"
   },
   "repository": {
     "type": "git",
@@ -23,9 +25,11 @@
   },
   "homepage": "https://github.com/indutny/hash.js",
   "dependencies": {
-    "inherits": "^2.0.1"
+    "inherits": "^2.0.3",
+    "minimalistic-assert": "^1.0.0"
   },
   "devDependencies": {
-    "mocha": "^1.18.2"
+    "eslint": "^4.0.0",
+    "mocha": "^3.4.2"
   }
 }
diff --git a/node_modules/hash.js/test/hash-test.js b/node_modules/hash.js/test/hash-test.js
index 97347a27f..6a36efc6f 100644
--- a/node_modules/hash.js/test/hash-test.js
+++ b/node_modules/hash.js/test/hash-test.js
@@ -1,3 +1,6 @@
+'use strict';
+/* global describe it */
+
 var assert = require('assert');
 var hash = require('../');
 
@@ -12,9 +15,9 @@ describe('Hash', function() {
       assert.equal(dgst, res);
 
       // Split message
-      var dgst = fn().update(msg.slice(0, 2), enc)
-                     .update(msg.slice(2), enc)
-                     .digest('hex');
+      dgst = fn().update(msg.slice(0, 2), enc)
+        .update(msg.slice(2), enc)
+        .digest('hex');
       assert.equal(dgst, res);
     }
   }
@@ -92,10 +95,11 @@ describe('Hash', function() {
         'ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a' +
             '2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f'
       ],
-      [ 'abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn' +
-            'hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu',
+      [
+        'abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn' +
+          'hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu',
         '8e959b75dae313da8cf4f72814fc143f8f7779c6eb9f7fa17299aeadb6889018' +
-            '501d289e4900f7e4331b99dec4b5433ac7d329eeb6dd26545e96e55b874be909'
+          '501d289e4900f7e4331b99dec4b5433ac7d329eeb6dd26545e96e55b874be909'
       ]
     ]);
   });
@@ -109,10 +113,11 @@ describe('Hash', function() {
         'cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed' +
             '8086072ba1e7cc2358baeca134c825a7'
       ],
-      [ 'abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn' +
-            'hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu',
+      [
+        'abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn' +
+          'hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu',
         '09330c33f71147e83d192fc782cd1b4753111b173b3b05d22fa08086e3b0f712' +
-            'fcc7c71a557e2db966c3e9fa91746039'
+          'fcc7c71a557e2db966c3e9fa91746039'
       ]
     ]);
   });
diff --git a/node_modules/hash.js/test/hmac-test.js b/node_modules/hash.js/test/hmac-test.js
index 0a9647eec..6fe18e38e 100644
--- a/node_modules/hash.js/test/hmac-test.js
+++ b/node_modules/hash.js/test/hmac-test.js
@@ -1,6 +1,8 @@
+'use strict';
+/* global describe it */
+
 var assert = require('assert');
 var hash = require('../');
-var utils = hash.utils;
 
 describe('Hmac', function() {
   describe('mixed test vector', function() {
@@ -49,10 +51,11 @@ describe('Hmac', function() {
       it('should not fail at ' + opt.name, function() {
         var h = hash.hmac(hash.sha256, opt.key, 'hex');
         assert.equal(h.update(opt.msg, opt.msgEnc).digest('hex'), opt.res);
-        var h = hash.hmac(hash.sha256, opt.key, 'hex');
-        assert.equal(h.update(opt.msg.slice(0, 10), opt.msgEnc)
-                      .update(opt.msg.slice(10), opt.msgEnc)
-                      .digest('hex'), opt.res);
+        h = hash.hmac(hash.sha256, opt.key, 'hex');
+        assert.equal(h
+          .update(opt.msg.slice(0, 10), opt.msgEnc)
+          .update(opt.msg.slice(10), opt.msgEnc)
+          .digest('hex'), opt.res);
       });
     }
   });