How to use prepareKeyData method in wpt

Best JavaScript code snippet using wpt

crypto.js

Source:crypto.js

...140  };141  return constructor;142})();143var CipherTransformFactory = (function() {144  function prepareKeyData(fileId, password, ownerPassword, userPassword, flags, revision, keyLength) {145    var defaultPasswordBytes = new Uint8Array([146      0x28, 0xBF, 0x4E, 0x5E, 0x4E, 0x75, 0x8A, 0x41, 0x64, 0x00, 0x4E, 0x56, 0xFF, 0xFA, 0x01, 0x08, 147      0x2E, 0x2E, 0x00, 0xB6, 0xD0, 0x68, 0x3E, 0x80, 0x2F, 0x0C, 0xA9, 0xFE, 0x64, 0x53, 0x69, 0x7A]);148    var hashData = new Uint8Array(88), i = 0, j, n;149    if (password) {150      n = Math.min(32, password.length);151      for (; i < n; ++i)152        hashData[i] = password[i];153    }154    j = 0;155    while (i < 32) {156      hashData[i++] = defaultPasswordBytes[j++];157    }158    // as now the padded password in the hashData[0..i]159    for (j = 0, n = ownerPassword.length; j < n; ++j)160      hashData[i++] = ownerPassword[j];161    hashData[i++] = flags & 0xFF;162    hashData[i++] = (flags >> 8) & 0xFF;163    hashData[i++] = (flags >> 16) & 0xFF;164    hashData[i++] = (flags >>> 24) & 0xFF;165    for (j = 0, n = fileId.length; j < n; ++j)166      hashData[i++] = fileId[j];167    // TODO rev 4, if metadata is not encrypted pass 0xFFFFFF also168    var hash = md5(hashData, 0, i);169    var keyLengthInBytes = keyLength >> 3;170    if (revision >= 3) {171      for (j = 0; j < 50; ++j) {172         hash = md5(hash, 0, keyLengthInBytes);173      }174    }175    var encryptionKey = hash.subarray(0, keyLengthInBytes);176    var cipher, checkData;177    if (revision >= 3) {178      // padded password in hashData, we can use this array for user password check179      i = 32;180      for(j = 0, n = fileId.length; j < n; ++j)181        hashData[i++] = fileId[j];182      cipher = new ARCFourCipher(encryptionKey);183      var checkData = cipher.encryptBlock(md5(hashData, 0, i));184      n = encryptionKey.length;185      var derrivedKey = new Uint8Array(n), k;186      for (j = 1; j <= 19; ++j) {187        for (k = 0; k < n; ++k)188          derrivedKey[k] = encryptionKey[k] ^ j;189        cipher = new ARCFourCipher(derrivedKey);190        checkData = cipher.encryptBlock(checkData);191      }192    } else {193      cipher = new ARCFourCipher(encryptionKey);194      checkData = cipher.encryptBlock(hashData.subarray(0, 32));195    }196    for (j = 0, n = checkData.length; j < n; ++j) {197      if (userPassword[j] != checkData[j])198        error("incorrect password");199    }200    return encryptionKey;201  } 202  function constructor(dict, fileId, password) {203    var filter = dict.get("Filter");204    if (!IsName(filter) || filter.name != "Standard")205      error("unknown encryption method");206    this.dict = dict;207    var algorithm = dict.get("V");208    if (!IsInt(algorithm) ||209      (algorithm != 1 && algorithm != 2))210      error("unsupported encryption algorithm");211    // TODO support algorithm 4212    var keyLength = dict.get("Length") || 40;213    if (!IsInt(keyLength) ||214      keyLength < 40 || (keyLength % 8) != 0)215      error("invalid key length");216    // prepare keys217    var ownerPassword = stringToBytes(dict.get("O"));218    var userPassword = stringToBytes(dict.get("U"));219    var flags = dict.get("P");220    var revision = dict.get("R");221    var fileIdBytes = stringToBytes(fileId);222    var passwordBytes;223    if (password)224      passwordBytes = stringToBytes(password);225    this.encryptionKey = prepareKeyData(fileIdBytes, passwordBytes, 226                                        ownerPassword, userPassword, flags, revision, keyLength);227  }228  constructor.prototype = {229    createCipherTransform: function(num, gen) {230      var encryptionKey = this.encryptionKey;231      var key = new Uint8Array(encryptionKey.length + 5), i, n;232      for (i = 0, n = encryptionKey.length; i < n; ++i)233        key[i] = encryptionKey[i];234      key[i++] = num & 0xFF;235      key[i++] = (num >> 8) & 0xFF;236      key[i++] = (num >> 16) & 0xFF;237      key[i++] = gen & 0xFF;238      key[i++] = (gen >> 8) & 0xFF;239      var hash = md5(key, 0, i);...

Using AI Code Generation

1var wpt = require('wpt-api');2var wpt = new wpt('API_KEY');3wpt.prepareKeyData(function (err, data) {4    if (err) {5        console.log(err);6    } else {7        console.log(data);8    }9});10var wpt = require('wpt-api');11var wpt = new wpt('API_KEY');12wpt.prepareKeyData(function (err, data) {13    if (err) {14        console.log(err);15    } else {16        console.log(data);17    }18});19var wpt = require('wpt-api');20var wpt = new wpt('API_KEY');21wpt.prepareKeyData(function (err, data) {22    if (err) {23        console.log(err);24    } else {25        console.log(data);26    }27});28var wpt = require('wpt-api');29var wpt = new wpt('API_KEY');30wpt.prepareKeyData(function (err, data) {31    if (err) {32        console.log(err);33    } else {34        console.log(data);35    }36});37var wpt = require('wpt-api');

Using AI Code Generation

1var wpt = require('wpt');2var fs = require('fs');3var wpt = new WebPageTest('www.webpagetest.org', 'A.9f28d1b1c8f8e7f6c0e6d1e6f8d8e7b6');4var options = {5    videoParams: {6    }7};8wpt.runTest(options, function(err, data) {9    if (err) return console.log(err);10    console.log(data);11});12wpt.getTestResults(data.data.testId, function(err, data) {13    if (err) return console.log(err);14    console.log(data);15});16var wpt = require('wpt');17var fs = require('fs');18var wpt = new WebPageTest('www.webpagetest.org', 'A.9f28d1b1c8f8e7f6c0e6d1e6f8d8e7b6');19var options = {20    videoParams: {21    }22};23wpt.runTest(options, function(err, data) {

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