/*
      HTTP Hawk Authentication Scheme
      Copyright (c) 2012-2014, Eran Hammer <eran@hammer.io>
      BSD Licensed
  */
  
  
  // Declare namespace
  
  var hawk = {
      internals: {}
  };
  
  
  hawk.client = {
  
      // Generate an Authorization header for a given request
  
      /*
          uri: 'http://example.com/resource?a=b' or object generated by hawk.utils.parseUri()
          method: HTTP verb (e.g. 'GET', 'POST')
          options: {
  
              // Required
  
              credentials: {
                  id: 'dh37fgj492je',
                  key: 'aoijedoaijsdlaksjdl',
                  algorithm: 'sha256'                                 // 'sha1', 'sha256'
              },
  
              // Optional
  
              ext: 'application-specific',                        // Application specific data sent via the ext attribute
              timestamp: Date.now() / 1000,                       // A pre-calculated timestamp in seconds
              nonce: '2334f34f',                                  // A pre-generated nonce
              localtimeOffsetMsec: 400,                           // Time offset to sync with server time (ignored if timestamp provided)
              payload: '{"some":"payload"}',                      // UTF-8 encoded string for body hash generation (ignored if hash provided)
              contentType: 'application/json',                    // Payload content-type (ignored if hash provided)
              hash: 'U4MKKSmiVxk37JCCrAVIjV=',                    // Pre-calculated payload hash
              app: '24s23423f34dx',                               // Oz application id
              dlg: '234sz34tww3sd'                                // Oz delegated-by application id
          }
      */
  
      header: function (uri, method, options) {
  
          var result = {
              field: '',
              artifacts: {}
          };
  
          // Validate inputs
  
          if (!uri || (typeof uri !== 'string' && typeof uri !== 'object') ||
              !method || typeof method !== 'string' ||
              !options || typeof options !== 'object') {
  
              result.err = 'Invalid argument type';
              return result;
          }
  
          // Application time
  
          var timestamp = options.timestamp || hawk.utils.now(options.localtimeOffsetMsec);
  
          // Validate credentials
  
          var credentials = options.credentials;
          if (!credentials ||
              !credentials.id ||
              !credentials.key ||
              !credentials.algorithm) {
  
              result.err = 'Invalid credentials object';
              return result;
          }
  
          if (hawk.crypto.algorithms.indexOf(credentials.algorithm) === -1) {
              result.err = 'Unknown algorithm';
              return result;
          }
  
          // Parse URI
  
          if (typeof uri === 'string') {
              uri = hawk.utils.parseUri(uri);
          }
  
          // Calculate signature
  
          var artifacts = {
              ts: timestamp,
              nonce: options.nonce || hawk.utils.randomString(6),
              method: method,
              resource: uri.resource,
              host: uri.host,
              port: uri.port,
              hash: options.hash,
              ext: options.ext,
              app: options.app,
              dlg: options.dlg
          };
  
          result.artifacts = artifacts;
  
          // Calculate payload hash
  
          if (!artifacts.hash &&
              (options.payload || options.payload === '')) {
  
              artifacts.hash = hawk.crypto.calculatePayloadHash(options.payload, credentials.algorithm, options.contentType);
          }
  
          var mac = hawk.crypto.calculateMac('header', credentials, artifacts);
  
          // Construct header
  
          var hasExt = artifacts.ext !== null && artifacts.ext !== undefined && artifacts.ext !== '';       // Other falsey values allowed
          var header = 'Hawk id="' + credentials.id +
                       '", ts="' + artifacts.ts +
                       '", nonce="' + artifacts.nonce +
                       (artifacts.hash ? '", hash="' + artifacts.hash : '') +
                       (hasExt ? '", ext="' + hawk.utils.escapeHeaderAttribute(artifacts.ext) : '') +
                       '", mac="' + mac + '"';
  
          if (artifacts.app) {
              header += ', app="' + artifacts.app +
                        (artifacts.dlg ? '", dlg="' + artifacts.dlg : '') + '"';
          }
  
          result.field = header;
  
          return result;
      },
  
      // Generate a bewit value for a given URI
  
      /*
          uri: 'http://example.com/resource?a=b'
          options: {
  
              // Required
  
              credentials: {
              id: 'dh37fgj492je',
              key: 'aoijedoaijsdlaksjdl',
              algorithm: 'sha256'                             // 'sha1', 'sha256'
              },
              ttlSec: 60 * 60,                                    // TTL in seconds
  
              // Optional
  
              ext: 'application-specific',                        // Application specific data sent via the ext attribute
              localtimeOffsetMsec: 400                            // Time offset to sync with server time
           };
      */
  
      bewit: function (uri, options) {
  
          // Validate inputs
  
          if (!uri ||
              (typeof uri !== 'string') ||
              !options ||
              typeof options !== 'object' ||
              !options.ttlSec) {
  
              return '';
          }
  
          options.ext = (options.ext === null || options.ext === undefined ? '' : options.ext);       // Zero is valid value
  
          // Application time
  
          var now = hawk.utils.now(options.localtimeOffsetMsec);
  
          // Validate credentials
  
          var credentials = options.credentials;
          if (!credentials ||
              !credentials.id ||
              !credentials.key ||
              !credentials.algorithm) {
  
              return '';
          }
  
          if (hawk.crypto.algorithms.indexOf(credentials.algorithm) === -1) {
              return '';
          }
  
          // Parse URI
  
          uri = hawk.utils.parseUri(uri);
  
          // Calculate signature
  
          var exp = now + options.ttlSec;
          var mac = hawk.crypto.calculateMac('bewit', credentials, {
              ts: exp,
              nonce: '',
              method: 'GET',
              resource: uri.resource,                            // Maintain trailing '?' and query params
              host: uri.host,
              port: uri.port,
              ext: options.ext
          });
  
          // Construct bewit: id\exp\mac\ext
  
          var bewit = credentials.id + '\\' + exp + '\\' + mac + '\\' + options.ext;
          return hawk.utils.base64urlEncode(bewit);
      },
  
      // Validate server response
  
      /*
          request:    object created via 'new XMLHttpRequest()' after response received
          artifacts:  object received from header().artifacts
          options: {
              payload:    optional payload received
              required:   specifies if a Server-Authorization header is required. Defaults to 'false'
          }
      */
  
      authenticate: function (request, credentials, artifacts, options) {
  
          options = options || {};
  
          var getHeader = function (name) {
  
              return request.getResponseHeader ? request.getResponseHeader(name) : request.getHeader(name);
          };
  
          var wwwAuthenticate = getHeader('www-authenticate');
          if (wwwAuthenticate) {
  
              // Parse HTTP WWW-Authenticate header
  
              var wwwAttributes = hawk.utils.parseAuthorizationHeader(wwwAuthenticate, ['ts', 'tsm', 'error']);
              if (!wwwAttributes) {
                  return false;
              }
  
              if (wwwAttributes.ts) {
                  var tsm = hawk.crypto.calculateTsMac(wwwAttributes.ts, credentials);
                  if (tsm !== wwwAttributes.tsm) {
                      return false;
                  }
  
                  hawk.utils.setNtpOffset(wwwAttributes.ts - Math.floor((new Date()).getTime() / 1000));     // Keep offset at 1 second precision
              }
          }
  
          // Parse HTTP Server-Authorization header
  
          var serverAuthorization = getHeader('server-authorization');
          if (!serverAuthorization &&
              !options.required) {
  
              return true;
          }
  
          var attributes = hawk.utils.parseAuthorizationHeader(serverAuthorization, ['mac', 'ext', 'hash']);
          if (!attributes) {
              return false;
          }
  
          var modArtifacts = {
              ts: artifacts.ts,
              nonce: artifacts.nonce,
              method: artifacts.method,
              resource: artifacts.resource,
              host: artifacts.host,
              port: artifacts.port,
              hash: attributes.hash,
              ext: attributes.ext,
              app: artifacts.app,
              dlg: artifacts.dlg
          };
  
          var mac = hawk.crypto.calculateMac('response', credentials, modArtifacts);
          if (mac !== attributes.mac) {
              return false;
          }
  
          if (!options.payload &&
              options.payload !== '') {
  
              return true;
          }
  
          if (!attributes.hash) {
              return false;
          }
  
          var calculatedHash = hawk.crypto.calculatePayloadHash(options.payload, credentials.algorithm, getHeader('content-type'));
          return (calculatedHash === attributes.hash);
      },
  
      message: function (host, port, message, options) {
  
          // Validate inputs
  
          if (!host || typeof host !== 'string' ||
              !port || typeof port !== 'number' ||
              message === null || message === undefined || typeof message !== 'string' ||
              !options || typeof options !== 'object') {
  
              return null;
          }
  
          // Application time
  
          var timestamp = options.timestamp || hawk.utils.now(options.localtimeOffsetMsec);
  
          // Validate credentials
  
          var credentials = options.credentials;
          if (!credentials ||
              !credentials.id ||
              !credentials.key ||
              !credentials.algorithm) {
  
              // Invalid credential object
              return null;
          }
  
          if (hawk.crypto.algorithms.indexOf(credentials.algorithm) === -1) {
              return null;
          }
  
          // Calculate signature
  
          var artifacts = {
              ts: timestamp,
              nonce: options.nonce || hawk.utils.randomString(6),
              host: host,
              port: port,
              hash: hawk.crypto.calculatePayloadHash(message, credentials.algorithm)
          };
  
          // Construct authorization
  
          var result = {
              id: credentials.id,
              ts: artifacts.ts,
              nonce: artifacts.nonce,
              hash: artifacts.hash,
              mac: hawk.crypto.calculateMac('message', credentials, artifacts)
          };
  
          return result;
      },
  
      authenticateTimestamp: function (message, credentials, updateClock) {           // updateClock defaults to true
  
          var tsm = hawk.crypto.calculateTsMac(message.ts, credentials);
          if (tsm !== message.tsm) {
              return false;
          }
  
          if (updateClock !== false) {
              hawk.utils.setNtpOffset(message.ts - Math.floor((new Date()).getTime() / 1000));    // Keep offset at 1 second precision
          }
  
          return true;
      }
  };
  
  
  hawk.crypto = {
  
      headerVersion: '1',
  
      algorithms: ['sha1', 'sha256'],
  
      calculateMac: function (type, credentials, options) {
  
          var normalized = hawk.crypto.generateNormalizedString(type, options);
  
          var hmac = CryptoJS['Hmac' + credentials.algorithm.toUpperCase()](normalized, credentials.key);
          return hmac.toString(CryptoJS.enc.Base64);
      },
  
      generateNormalizedString: function (type, options) {
  
          var normalized = 'hawk.' + hawk.crypto.headerVersion + '.' + type + '
  ' +
                           options.ts + '
  ' +
                           options.nonce + '
  ' +
                           (options.method || '').toUpperCase() + '
  ' +
                           (options.resource || '') + '
  ' +
                           options.host.toLowerCase() + '
  ' +
                           options.port + '
  ' +
                           (options.hash || '') + '
  ';
  
          if (options.ext) {
              normalized += options.ext.replace('\\', '\\\\').replace('
  ', '\
  ');
          }
  
          normalized += '
  ';
  
          if (options.app) {
              normalized += options.app + '
  ' +
                            (options.dlg || '') + '
  ';
          }
  
          return normalized;
      },
  
      calculatePayloadHash: function (payload, algorithm, contentType) {
  
          var hash = CryptoJS.algo[algorithm.toUpperCase()].create();
          hash.update('hawk.' + hawk.crypto.headerVersion + '.payload
  ');
          hash.update(hawk.utils.parseContentType(contentType) + '
  ');
          hash.update(payload);
          hash.update('
  ');
          return hash.finalize().toString(CryptoJS.enc.Base64);
      },
  
      calculateTsMac: function (ts, credentials) {
  
          var hash = CryptoJS['Hmac' + credentials.algorithm.toUpperCase()]('hawk.' + hawk.crypto.headerVersion + '.ts
  ' + ts + '
  ', credentials.key);
          return hash.toString(CryptoJS.enc.Base64);
      }
  };
  
  
  // localStorage compatible interface
  
  hawk.internals.LocalStorage = function () {
  
      this._cache = {};
      this.length = 0;
  
      this.getItem = function (key) {
  
          return this._cache.hasOwnProperty(key) ? String(this._cache[key]) : null;
      };
  
      this.setItem = function (key, value) {
  
          this._cache[key] = String(value);
          this.length = Object.keys(this._cache).length;
      };
  
      this.removeItem = function (key) {
  
          delete this._cache[key];
          this.length = Object.keys(this._cache).length;
      };
  
      this.clear = function () {
  
          this._cache = {};
          this.length = 0;
      };
  
      this.key = function (i) {
  
          return Object.keys(this._cache)[i || 0];
      };
  };
  
  
  hawk.utils = {
  
      storage: new hawk.internals.LocalStorage(),
  
      setStorage: function (storage) {
  
          var ntpOffset = hawk.utils.storage.getItem('hawk_ntp_offset');
          hawk.utils.storage = storage;
          if (ntpOffset) {
              hawk.utils.setNtpOffset(ntpOffset);
          }
      },
  
      setNtpOffset: function (offset) {
  
          try {
              hawk.utils.storage.setItem('hawk_ntp_offset', offset);
          }
          catch (err) {
              console.error('[hawk] could not write to storage.');
              console.error(err);
          }
      },
  
      getNtpOffset: function () {
  
          var offset = hawk.utils.storage.getItem('hawk_ntp_offset');
          if (!offset) {
              return 0;
          }
  
          return parseInt(offset, 10);
      },
  
      now: function (localtimeOffsetMsec) {
  
          return Math.floor(((new Date()).getTime() + (localtimeOffsetMsec || 0)) / 1000) + hawk.utils.getNtpOffset();
      },
  
      escapeHeaderAttribute: function (attribute) {
  
          return attribute.replace(/\\/g, '\\\\').replace(/\"/g, '\\"');
      },
  
      parseContentType: function (header) {
  
          if (!header) {
              return '';
          }
  
          return header.split(';')[0].replace(/^\s+|\s+$/g, '').toLowerCase();
      },
  
      parseAuthorizationHeader: function (header, keys) {
  
          if (!header) {
              return null;
          }
  
          var headerParts = header.match(/^(\w+)(?:\s+(.*))?$/);       // Header: scheme[ something]
          if (!headerParts) {
              return null;
          }
  
          var scheme = headerParts[1];
          if (scheme.toLowerCase() !== 'hawk') {
              return null;
          }
  
          var attributesString = headerParts[2];
          if (!attributesString) {
              return null;
          }
  
          var attributes = {};
          var verify = attributesString.replace(/(\w+)="([^"\\]*)"\s*(?:,\s*|$)/g, function ($0, $1, $2) {
  
              // Check valid attribute names
  
              if (keys.indexOf($1) === -1) {
                  return;
              }
  
              // Allowed attribute value characters: !#$%&'()*+,-./:;<=>?@[]^_`{|}~ and space, a-z, A-Z, 0-9
  
              if ($2.match(/^[ \w\!#\$%&'\(\)\*\+,\-\.\/\:;<\=>\?@\[\]\^`\{\|\}~]+$/) === null) {
                  return;
              }
  
              // Check for duplicates
  
              if (attributes.hasOwnProperty($1)) {
                  return;
              }
  
              attributes[$1] = $2;
              return '';
          });
  
          if (verify !== '') {
              return null;
          }
  
          return attributes;
      },
  
      randomString: function (size) {
  
          var randomSource = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
          var len = randomSource.length;
  
          var result = [];
          for (var i = 0; i < size; ++i) {
              result[i] = randomSource[Math.floor(Math.random() * len)];
          }
  
          return result.join('');
      },
  
      uriRegex: /^([^:]+)\:\/\/(?:[^@]*@)?([^\/:]+)(?:\:(\d+))?([^#]*)(?:#.*)?$/,       // scheme://credentials@host:port/resource#fragment
      parseUri: function (input) {
  
          var parts = input.match(hawk.utils.uriRegex);
          if (!parts) {
              return { host: '', port: '', resource: '' };
          }
  
          var scheme = parts[1].toLowerCase();
          var uri = {
              host: parts[2],
              port: parts[3] || (scheme === 'http' ? '80' : (scheme === 'https' ? '443' : '')),
              resource: parts[4]
          };
  
          return uri;
      },
  
      base64urlEncode: function (value) {
  
          var wordArray = CryptoJS.enc.Utf8.parse(value);
          var encoded = CryptoJS.enc.Base64.stringify(wordArray);
          return encoded.replace(/\+/g, '-').replace(/\//g, '_').replace(/\=/g, '');
      }
  };
  
  
  // $lab:coverage:off$
  /* eslint-disable */
  
  // Based on: Crypto-JS v3.1.2
  // Copyright (c) 2009-2013, Jeff Mott. All rights reserved.
  // http://code.google.com/p/crypto-js/
  // http://code.google.com/p/crypto-js/wiki/License
  
  var CryptoJS = CryptoJS || function (h, r) { var k = {}, l = k.lib = {}, n = function () { }, f = l.Base = { extend: function (a) { n.prototype = this; var b = new n; a && b.mixIn(a); b.hasOwnProperty("init") || (b.init = function () { b.$super.init.apply(this, arguments) }); b.init.prototype = b; b.$super = this; return b }, create: function () { var a = this.extend(); a.init.apply(a, arguments); return a }, init: function () { }, mixIn: function (a) { for (var b in a) a.hasOwnProperty(b) && (this[b] = a[b]); a.hasOwnProperty("toString") && (this.toString = a.toString) }, clone: function () { return this.init.prototype.extend(this) } }, j = l.WordArray = f.extend({ init: function (a, b) { a = this.words = a || []; this.sigBytes = b != r ? b : 4 * a.length }, toString: function (a) { return (a || s).stringify(this) }, concat: function (a) { var b = this.words, d = a.words, c = this.sigBytes; a = a.sigBytes; this.clamp(); if (c % 4) for (var e = 0; e < a; e++) b[c + e >>> 2] |= (d[e >>> 2] >>> 24 - 8 * (e % 4) & 255) << 24 - 8 * ((c + e) % 4); else if (65535 < d.length) for (e = 0; e < a; e += 4) b[c + e >>> 2] = d[e >>> 2]; else b.push.apply(b, d); this.sigBytes += a; return this }, clamp: function () { var a = this.words, b = this.sigBytes; a[b >>> 2] &= 4294967295 << 32 - 8 * (b % 4); a.length = h.ceil(b / 4) }, clone: function () { var a = f.clone.call(this); a.words = this.words.slice(0); return a }, random: function (a) { for (var b = [], d = 0; d < a; d += 4) b.push(4294967296 * h.random() | 0); return new j.init(b, a) } }), m = k.enc = {}, s = m.Hex = { stringify: function (a) { var b = a.words; a = a.sigBytes; for (var d = [], c = 0; c < a; c++) { var e = b[c >>> 2] >>> 24 - 8 * (c % 4) & 255; d.push((e >>> 4).toString(16)); d.push((e & 15).toString(16)) } return d.join("") }, parse: function (a) { for (var b = a.length, d = [], c = 0; c < b; c += 2) d[c >>> 3] |= parseInt(a.substr(c, 2), 16) << 24 - 4 * (c % 8); return new j.init(d, b / 2) } }, p = m.Latin1 = { stringify: function (a) { var b = a.words; a = a.sigBytes; for (var d = [], c = 0; c < a; c++) d.push(String.fromCharCode(b[c >>> 2] >>> 24 - 8 * (c % 4) & 255)); return d.join("") }, parse: function (a) { for (var b = a.length, d = [], c = 0; c < b; c++) d[c >>> 2] |= (a.charCodeAt(c) & 255) << 24 - 8 * (c % 4); return new j.init(d, b) } }, t = m.Utf8 = { stringify: function (a) { try { return decodeURIComponent(escape(p.stringify(a))) } catch (b) { throw Error("Malformed UTF-8 data"); } }, parse: function (a) { return p.parse(unescape(encodeURIComponent(a))) } }, q = l.BufferedBlockAlgorithm = f.extend({ reset: function () { this._data = new j.init; this._nDataBytes = 0 }, _append: function (a) { "string" == typeof a && (a = t.parse(a)); this._data.concat(a); this._nDataBytes += a.sigBytes }, _process: function (a) { var b = this._data, d = b.words, c = b.sigBytes, e = this.blockSize, f = c / (4 * e), f = a ? h.ceil(f) : h.max((f | 0) - this._minBufferSize, 0); a = f * e; c = h.min(4 * a, c); if (a) { for (var g = 0; g < a; g += e) this._doProcessBlock(d, g); g = d.splice(0, a); b.sigBytes -= c } return new j.init(g, c) }, clone: function () { var a = f.clone.call(this); a._data = this._data.clone(); return a }, _minBufferSize: 0 }); l.Hasher = q.extend({ cfg: f.extend(), init: function (a) { this.cfg = this.cfg.extend(a); this.reset() }, reset: function () { q.reset.call(this); this._doReset() }, update: function (a) { this._append(a); this._process(); return this }, finalize: function (a) { a && this._append(a); return this._doFinalize() }, blockSize: 16, _createHelper: function (a) { return function (b, d) { return (new a.init(d)).finalize(b) } }, _createHmacHelper: function (a) { return function (b, d) { return (new u.HMAC.init(a, d)).finalize(b) } } }); var u = k.algo = {}; return k }(Math);
  (function () { var k = CryptoJS, b = k.lib, m = b.WordArray, l = b.Hasher, d = [], b = k.algo.SHA1 = l.extend({ _doReset: function () { this._hash = new m.init([1732584193, 4023233417, 2562383102, 271733878, 3285377520]) }, _doProcessBlock: function (n, p) { for (var a = this._hash.words, e = a[0], f = a[1], h = a[2], j = a[3], b = a[4], c = 0; 80 > c; c++) { if (16 > c) d[c] = n[p + c] | 0; else { var g = d[c - 3] ^ d[c - 8] ^ d[c - 14] ^ d[c - 16]; d[c] = g << 1 | g >>> 31 } g = (e << 5 | e >>> 27) + b + d[c]; g = 20 > c ? g + ((f & h | ~f & j) + 1518500249) : 40 > c ? g + ((f ^ h ^ j) + 1859775393) : 60 > c ? g + ((f & h | f & j | h & j) - 1894007588) : g + ((f ^ h ^ j) - 899497514); b = j; j = h; h = f << 30 | f >>> 2; f = e; e = g } a[0] = a[0] + e | 0; a[1] = a[1] + f | 0; a[2] = a[2] + h | 0; a[3] = a[3] + j | 0; a[4] = a[4] + b | 0 }, _doFinalize: function () { var b = this._data, d = b.words, a = 8 * this._nDataBytes, e = 8 * b.sigBytes; d[e >>> 5] |= 128 << 24 - e % 32; d[(e + 64 >>> 9 << 4) + 14] = Math.floor(a / 4294967296); d[(e + 64 >>> 9 << 4) + 15] = a; b.sigBytes = 4 * d.length; this._process(); return this._hash }, clone: function () { var b = l.clone.call(this); b._hash = this._hash.clone(); return b } }); k.SHA1 = l._createHelper(b); k.HmacSHA1 = l._createHmacHelper(b) })();
  (function (k) { for (var g = CryptoJS, h = g.lib, v = h.WordArray, j = h.Hasher, h = g.algo, s = [], t = [], u = function (q) { return 4294967296 * (q - (q | 0)) | 0 }, l = 2, b = 0; 64 > b;) { var d; a: { d = l; for (var w = k.sqrt(d), r = 2; r <= w; r++) if (!(d % r)) { d = !1; break a } d = !0 } d && (8 > b && (s[b] = u(k.pow(l, 0.5))), t[b] = u(k.pow(l, 1 / 3)), b++); l++ } var n = [], h = h.SHA256 = j.extend({ _doReset: function () { this._hash = new v.init(s.slice(0)) }, _doProcessBlock: function (q, h) { for (var a = this._hash.words, c = a[0], d = a[1], b = a[2], k = a[3], f = a[4], g = a[5], j = a[6], l = a[7], e = 0; 64 > e; e++) { if (16 > e) n[e] = q[h + e] | 0; else { var m = n[e - 15], p = n[e - 2]; n[e] = ((m << 25 | m >>> 7) ^ (m << 14 | m >>> 18) ^ m >>> 3) + n[e - 7] + ((p << 15 | p >>> 17) ^ (p << 13 | p >>> 19) ^ p >>> 10) + n[e - 16] } m = l + ((f << 26 | f >>> 6) ^ (f << 21 | f >>> 11) ^ (f << 7 | f >>> 25)) + (f & g ^ ~f & j) + t[e] + n[e]; p = ((c << 30 | c >>> 2) ^ (c << 19 | c >>> 13) ^ (c << 10 | c >>> 22)) + (c & d ^ c & b ^ d & b); l = j; j = g; g = f; f = k + m | 0; k = b; b = d; d = c; c = m + p | 0 } a[0] = a[0] + c | 0; a[1] = a[1] + d | 0; a[2] = a[2] + b | 0; a[3] = a[3] + k | 0; a[4] = a[4] + f | 0; a[5] = a[5] + g | 0; a[6] = a[6] + j | 0; a[7] = a[7] + l | 0 }, _doFinalize: function () { var d = this._data, b = d.words, a = 8 * this._nDataBytes, c = 8 * d.sigBytes; b[c >>> 5] |= 128 << 24 - c % 32; b[(c + 64 >>> 9 << 4) + 14] = k.floor(a / 4294967296); b[(c + 64 >>> 9 << 4) + 15] = a; d.sigBytes = 4 * b.length; this._process(); return this._hash }, clone: function () { var b = j.clone.call(this); b._hash = this._hash.clone(); return b } }); g.SHA256 = j._createHelper(h); g.HmacSHA256 = j._createHmacHelper(h) })(Math);
  (function () { var c = CryptoJS, k = c.enc.Utf8; c.algo.HMAC = c.lib.Base.extend({ init: function (a, b) { a = this._hasher = new a.init; "string" == typeof b && (b = k.parse(b)); var c = a.blockSize, e = 4 * c; b.sigBytes > e && (b = a.finalize(b)); b.clamp(); for (var f = this._oKey = b.clone(), g = this._iKey = b.clone(), h = f.words, j = g.words, d = 0; d < c; d++) h[d] ^= 1549556828, j[d] ^= 909522486; f.sigBytes = g.sigBytes = e; this.reset() }, reset: function () { var a = this._hasher; a.reset(); a.update(this._iKey) }, update: function (a) { this._hasher.update(a); return this }, finalize: function (a) { var b = this._hasher; a = b.finalize(a); b.reset(); return b.finalize(this._oKey.clone().concat(a)) } }) })();
  (function () { var h = CryptoJS, j = h.lib.WordArray; h.enc.Base64 = { stringify: function (b) { var e = b.words, f = b.sigBytes, c = this._map; b.clamp(); b = []; for (var a = 0; a < f; a += 3) for (var d = (e[a >>> 2] >>> 24 - 8 * (a % 4) & 255) << 16 | (e[a + 1 >>> 2] >>> 24 - 8 * ((a + 1) % 4) & 255) << 8 | e[a + 2 >>> 2] >>> 24 - 8 * ((a + 2) % 4) & 255, g = 0; 4 > g && a + 0.75 * g < f; g++) b.push(c.charAt(d >>> 6 * (3 - g) & 63)); if (e = c.charAt(64)) for (; b.length % 4;) b.push(e); return b.join("") }, parse: function (b) { var e = b.length, f = this._map, c = f.charAt(64); c && (c = b.indexOf(c), -1 != c && (e = c)); for (var c = [], a = 0, d = 0; d < e; d++) if (d % 4) { var g = f.indexOf(b.charAt(d - 1)) << 2 * (d % 4), h = f.indexOf(b.charAt(d)) >>> 6 - 2 * (d % 4); c[a >>> 2] |= (g | h) << 24 - 8 * (a % 4); a++ } return j.create(c, a) }, _map: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=" } })();
  
  hawk.crypto.internals = CryptoJS;
  
  
  // Export if used as a module
  
  if (typeof module !== 'undefined' && module.exports) {
      module.exports = hawk;
  }
  
  /* eslint-enable */
  // $lab:coverage:on$