How to use createEncryptionKey20 method in wpt

Best JavaScript code snippet using wpt

crypto.js

Source:crypto.js Github

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...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,...

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Using AI Code Generation

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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);

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Using AI Code Generation

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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);

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Using AI Code Generation

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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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