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How to use createEncryptionKey20 method in wpt

Best JavaScript code snippet using wpt

crypto.js

Source:crypto.js

...1643    0x28, 0xBF, 0x4E, 0x5E, 0x4E, 0x75, 0x8A, 0x41,1644    0x64, 0x00, 0x4E, 0x56, 0xFF, 0xFA, 0x01, 0x08,1645    0x2E, 0x2E, 0x00, 0xB6, 0xD0, 0x68, 0x3E, 0x80,1646    0x2F, 0x0C, 0xA9, 0xFE, 0x64, 0x53, 0x69, 0x7A]);1647  function createEncryptionKey20(revision, password, ownerPassword,1648                                 ownerValidationSalt, ownerKeySalt, uBytes,1649                                 userPassword, userValidationSalt, userKeySalt,1650                                 ownerEncryption, userEncryption, perms) {1651    if (password) {1652      var passwordLength = Math.min(127, password.length);1653      password = password.subarray(0, passwordLength);1654    } else {1655      password = [];1656    }1657    var pdfAlgorithm;1658    if (revision === 6) {1659      pdfAlgorithm = new PDF20();1660    } else {1661      pdfAlgorithm = new PDF17();1662    }1663    if (pdfAlgorithm) {1664      if (pdfAlgorithm.checkUserPassword(password, userValidationSalt,1665                                         userPassword)) {1666        return pdfAlgorithm.getUserKey(password, userKeySalt, userEncryption);1667      } else if (pdfAlgorithm.checkOwnerPassword(password, ownerValidationSalt,1668                                                 uBytes,1669                                                 ownerPassword)) {1670        return pdfAlgorithm.getOwnerKey(password, ownerKeySalt, uBytes,1671                                        ownerEncryption);1672      }1673    }1674    return null;1675  }1676  function prepareKeyData(fileId, password, ownerPassword, userPassword,1677                          flags, revision, keyLength, encryptMetadata) {1678    var hashDataSize = 40 + ownerPassword.length + fileId.length;1679    var hashData = new Uint8Array(hashDataSize), i = 0, j, n;1680    if (password) {1681      n = Math.min(32, password.length);1682      for (; i < n; ++i) {1683        hashData[i] = password[i];1684      }1685    }1686    j = 0;1687    while (i < 32) {1688      hashData[i++] = defaultPasswordBytes[j++];1689    }1690    // as now the padded password in the hashData[0..i]1691    for (j = 0, n = ownerPassword.length; j < n; ++j) {1692      hashData[i++] = ownerPassword[j];1693    }1694    hashData[i++] = flags & 0xFF;1695    hashData[i++] = (flags >> 8) & 0xFF;1696    hashData[i++] = (flags >> 16) & 0xFF;1697    hashData[i++] = (flags >>> 24) & 0xFF;1698    for (j = 0, n = fileId.length; j < n; ++j) {1699      hashData[i++] = fileId[j];1700    }1701    if (revision >= 4 && !encryptMetadata) {1702      hashData[i++] = 0xFF;1703      hashData[i++] = 0xFF;1704      hashData[i++] = 0xFF;1705      hashData[i++] = 0xFF;1706    }1707    var hash = calculateMD5(hashData, 0, i);1708    var keyLengthInBytes = keyLength >> 3;1709    if (revision >= 3) {1710      for (j = 0; j < 50; ++j) {1711        hash = calculateMD5(hash, 0, keyLengthInBytes);1712      }1713    }1714    var encryptionKey = hash.subarray(0, keyLengthInBytes);1715    var cipher, checkData;1716    if (revision >= 3) {1717      for (i = 0; i < 32; ++i) {1718        hashData[i] = defaultPasswordBytes[i];1719      }1720      for (j = 0, n = fileId.length; j < n; ++j) {1721        hashData[i++] = fileId[j];1722      }1723      cipher = new ARCFourCipher(encryptionKey);1724      checkData = cipher.encryptBlock(calculateMD5(hashData, 0, i));1725      n = encryptionKey.length;1726      var derivedKey = new Uint8Array(n), k;1727      for (j = 1; j <= 19; ++j) {1728        for (k = 0; k < n; ++k) {1729          derivedKey[k] = encryptionKey[k] ^ j;1730        }1731        cipher = new ARCFourCipher(derivedKey);1732        checkData = cipher.encryptBlock(checkData);1733      }1734      for (j = 0, n = checkData.length; j < n; ++j) {1735        if (userPassword[j] !== checkData[j]) {1736          return null;1737        }1738      }1739    } else {1740      cipher = new ARCFourCipher(encryptionKey);1741      checkData = cipher.encryptBlock(defaultPasswordBytes);1742      for (j = 0, n = checkData.length; j < n; ++j) {1743        if (userPassword[j] !== checkData[j]) {1744          return null;1745        }1746      }1747    }1748    return encryptionKey;1749  }1750  function decodeUserPassword(password, ownerPassword, revision, keyLength) {1751    var hashData = new Uint8Array(32), i = 0, j, n;1752    n = Math.min(32, password.length);1753    for (; i < n; ++i) {1754      hashData[i] = password[i];1755    }1756    j = 0;1757    while (i < 32) {1758      hashData[i++] = defaultPasswordBytes[j++];1759    }1760    var hash = calculateMD5(hashData, 0, i);1761    var keyLengthInBytes = keyLength >> 3;1762    if (revision >= 3) {1763      for (j = 0; j < 50; ++j) {1764        hash = calculateMD5(hash, 0, hash.length);1765      }1766    }1767    var cipher, userPassword;1768    if (revision >= 3) {1769      userPassword = ownerPassword;1770      var derivedKey = new Uint8Array(keyLengthInBytes), k;1771      for (j = 19; j >= 0; j--) {1772        for (k = 0; k < keyLengthInBytes; ++k) {1773          derivedKey[k] = hash[k] ^ j;1774        }1775        cipher = new ARCFourCipher(derivedKey);1776        userPassword = cipher.encryptBlock(userPassword);1777      }1778    } else {1779      cipher = new ARCFourCipher(hash.subarray(0, keyLengthInBytes));1780      userPassword = cipher.encryptBlock(ownerPassword);1781    }1782    return userPassword;1783  }1784  var identityName = Name.get('Identity');1785  function CipherTransformFactory(dict, fileId, password) {1786    var filter = dict.get('Filter');1787    if (!isName(filter) || filter.name !== 'Standard') {1788      error('unknown encryption method');1789    }1790    this.dict = dict;1791    var algorithm = dict.get('V');1792    if (!isInt(algorithm) ||1793        (algorithm !== 1 && algorithm !== 2 && algorithm !== 4 &&1794        algorithm !== 5)) {1795      error('unsupported encryption algorithm');1796    }1797    this.algorithm = algorithm;1798    var keyLength = dict.get('Length') || 40;1799    if (!isInt(keyLength) ||1800        keyLength < 40 || (keyLength % 8) !== 0) {1801      error('invalid key length');1802    }1803    // prepare keys1804    var ownerPassword = stringToBytes(dict.get('O')).subarray(0, 32);1805    var userPassword = stringToBytes(dict.get('U')).subarray(0, 32);1806    var flags = dict.get('P');1807    var revision = dict.get('R');1808    // meaningful when V is 4 or 51809    var encryptMetadata = ((algorithm === 4 || algorithm === 5) &&1810                           dict.get('EncryptMetadata') !== false);1811    this.encryptMetadata = encryptMetadata;1812    var fileIdBytes = stringToBytes(fileId);1813    var passwordBytes;1814    if (password) {1815      passwordBytes = stringToBytes(password);1816    }1817    var encryptionKey;1818    if (algorithm !== 5) {1819      encryptionKey = prepareKeyData(fileIdBytes, passwordBytes,1820                                     ownerPassword, userPassword, flags,1821                                     revision, keyLength, encryptMetadata);1822    }1823    else {1824      var ownerValidationSalt = stringToBytes(dict.get('O')).subarray(32, 40);1825      var ownerKeySalt = stringToBytes(dict.get('O')).subarray(40, 48);1826      var uBytes = stringToBytes(dict.get('U')).subarray(0, 48);1827      var userValidationSalt = stringToBytes(dict.get('U')).subarray(32, 40);1828      var userKeySalt = stringToBytes(dict.get('U')).subarray(40, 48);1829      var ownerEncryption = stringToBytes(dict.get('OE'));1830      var userEncryption = stringToBytes(dict.get('UE'));1831      var perms = stringToBytes(dict.get('Perms'));1832      encryptionKey =1833        createEncryptionKey20(revision, passwordBytes,1834          ownerPassword, ownerValidationSalt,1835          ownerKeySalt, uBytes,1836          userPassword, userValidationSalt,1837          userKeySalt, ownerEncryption,1838          userEncryption, perms);1839    }1840    if (!encryptionKey && !password) {1841      throw new PasswordException('No password given',1842                                  PasswordResponses.NEED_PASSWORD);1843    } else if (!encryptionKey && password) {1844      // Attempting use the password as an owner password1845      var decodedPassword = decodeUserPassword(passwordBytes, ownerPassword,1846                                               revision, keyLength);1847      encryptionKey = prepareKeyData(fileIdBytes, decodedPassword,...

Using AI Code Generation

1var wptoolkit = require('wptoolkit');2var encKey = wptoolkit.createEncryptionKey20();3console.log(encKey);4var wptoolkit = require('wptoolkit');5var encKey = wptoolkit.createEncryptionKey20();6console.log(encKey);7var wptoolkit = require('wptoolkit');8var encKey = wptoolkit.createEncryptionKey20();9console.log(encKey);10var wptoolkit = require('wptoolkit');11var encKey = wptoolkit.createEncryptionKey20();12console.log(encKey);13var wptoolkit = require('wptoolkit');14var encKey = wptoolkit.createEncryptionKey20();15console.log(encKey);16var wptoolkit = require('wptoolkit');17var encKey = wptoolkit.createEncryptionKey20();18console.log(encKey);19var wptoolkit = require('wptoolkit');20var encKey = wptoolkit.createEncryptionKey20();21console.log(encKey);22var wptoolkit = require('wptoolkit');23var encKey = wptoolkit.createEncryptionKey20();24console.log(encKey);25var wptoolkit = require('wptoolkit');26var encKey = wptoolkit.createEncryptionKey20();27console.log(encKey);28var wptoolkit = require('wptoolkit');29var encKey = wptoolkit.createEncryptionKey20();30console.log(encKey);31var wptoolkit = require('wptoolkit');32var encKey = wptoolkit.createEncryptionKey20();33console.log(encKey);

Using AI Code Generation

1var wptoolkit = require('wptoolkit');2var encryptionKey = wptoolkit.createEncryptionKey20();3console.log(encryptionKey);4var wptoolkit = require('wptoolkit');5var encryptionKey = wptoolkit.createEncryptionKey32();6console.log(encryptionKey);7var wptoolkit = require('wptoolkit');8var encryptionKey = wptoolkit.createEncryptionKey64();9console.log(encryptionKey);10var wptoolkit = require('wptoolkit');11var encryptionKey = wptoolkit.createEncryptionKey128();12console.log(encryptionKey);13var wptoolkit = require('wptoolkit');14var encryptionKey = wptoolkit.createEncryptionKey256();15console.log(encryptionKey);16var wptoolkit = require('wptoolkit');17var encryptionKey = wptoolkit.createEncryptionKey512();18console.log(encryptionKey);19var wptoolkit = require('wptoolkit');20var encryptionKey = wptoolkit.createEncryptionKey1024();21console.log(encryptionKey);22var wptoolkit = require('wptoolkit');23var encryptionKey = wptoolkit.createEncryptionKey2048();24console.log(encryptionKey);

Using AI Code Generation

1var wpt = require('./wpt.js');2var wptObj = new wpt();3var key = wptObj.createEncryptionKey20();4console.log(key);5var crypto = require('crypto');6var Wpt = function() {7    this.createEncryptionKey20 = function() {8        var key = crypto.randomBytes(20).toString('hex');9        return key;10    };11};12module.exports = Wpt;

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