How to use AES256Cipher method in wpt

Best JavaScript code snippet using wpt

crypto.js

Source:crypto.js Github

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...875 return AES128Cipher;876}(AESBaseCipher);877var AES256Cipher = function (_AESBaseCipher2) {878 _inherits(AES256Cipher, _AESBaseCipher2);879 function AES256Cipher(key) {880 _classCallCheck(this, AES256Cipher);881 var _this2 = _possibleConstructorReturn(this, (AES256Cipher.__proto__ || Object.getPrototypeOf(AES256Cipher)).call(this));882 _this2._cyclesOfRepetition = 14;883 _this2._keySize = 224;884 _this2._key = _this2._expandKey(key);885 return _this2;886 }887 _createClass(AES256Cipher, [{888 key: '_expandKey',889 value: function _expandKey(cipherKey) {890 var b = 240;891 var s = this._s;892 var result = new Uint8Array(b);893 result.set(cipherKey);894 var r = 1;895 var t1 = void 0,896 t2 = void 0,897 t3 = void 0,898 t4 = void 0;899 for (var j = 32, i = 1; j < b; ++i) {900 if (j % 32 === 16) {901 t1 = s[t1];902 t2 = s[t2];903 t3 = s[t3];904 t4 = s[t4];905 } else if (j % 32 === 0) {906 t1 = result[j - 3];907 t2 = result[j - 2];908 t3 = result[j - 1];909 t4 = result[j - 4];910 t1 = s[t1];911 t2 = s[t2];912 t3 = s[t3];913 t4 = s[t4];914 t1 = t1 ^ r;915 if ((r <<= 1) >= 256) {916 r = (r ^ 0x1b) & 0xFF;917 }918 }919 for (var n = 0; n < 4; ++n) {920 result[j] = t1 ^= result[j - 32];921 j++;922 result[j] = t2 ^= result[j - 32];923 j++;924 result[j] = t3 ^= result[j - 32];925 j++;926 result[j] = t4 ^= result[j - 32];927 j++;928 }929 }930 return result;931 }932 }]);933 return AES256Cipher;934}(AESBaseCipher);935var PDF17 = function PDF17Closure() {936 function compareByteArrays(array1, array2) {937 if (array1.length !== array2.length) {938 return false;939 }940 for (var i = 0; i < array1.length; i++) {941 if (array1[i] !== array2[i]) {942 return false;943 }944 }945 return true;946 }947 function PDF17() {}948 PDF17.prototype = {949 checkOwnerPassword: function PDF17_checkOwnerPassword(password, ownerValidationSalt, userBytes, ownerPassword) {950 var hashData = new Uint8Array(password.length + 56);951 hashData.set(password, 0);952 hashData.set(ownerValidationSalt, password.length);953 hashData.set(userBytes, password.length + ownerValidationSalt.length);954 var result = calculateSHA256(hashData, 0, hashData.length);955 return compareByteArrays(result, ownerPassword);956 },957 checkUserPassword: function PDF17_checkUserPassword(password, userValidationSalt, userPassword) {958 var hashData = new Uint8Array(password.length + 8);959 hashData.set(password, 0);960 hashData.set(userValidationSalt, password.length);961 var result = calculateSHA256(hashData, 0, hashData.length);962 return compareByteArrays(result, userPassword);963 },964 getOwnerKey: function PDF17_getOwnerKey(password, ownerKeySalt, userBytes, ownerEncryption) {965 var hashData = new Uint8Array(password.length + 56);966 hashData.set(password, 0);967 hashData.set(ownerKeySalt, password.length);968 hashData.set(userBytes, password.length + ownerKeySalt.length);969 var key = calculateSHA256(hashData, 0, hashData.length);970 var cipher = new AES256Cipher(key);971 return cipher.decryptBlock(ownerEncryption, false, new Uint8Array(16));972 },973 getUserKey: function PDF17_getUserKey(password, userKeySalt, userEncryption) {974 var hashData = new Uint8Array(password.length + 8);975 hashData.set(password, 0);976 hashData.set(userKeySalt, password.length);977 var key = calculateSHA256(hashData, 0, hashData.length);978 var cipher = new AES256Cipher(key);979 return cipher.decryptBlock(userEncryption, false, new Uint8Array(16));980 }981 };982 return PDF17;983}();984var PDF20 = function PDF20Closure() {985 function concatArrays(array1, array2) {986 var t = new Uint8Array(array1.length + array2.length);987 t.set(array1, 0);988 t.set(array2, array1.length);989 return t;990 }991 function calculatePDF20Hash(password, input, userBytes) {992 var k = calculateSHA256(input, 0, input.length).subarray(0, 32);993 var e = [0];994 var i = 0;995 while (i < 64 || e[e.length - 1] > i - 32) {996 var arrayLength = password.length + k.length + userBytes.length;997 var k1 = new Uint8Array(arrayLength * 64);998 var array = concatArrays(password, k);999 array = concatArrays(array, userBytes);1000 for (var j = 0, pos = 0; j < 64; j++, pos += arrayLength) {1001 k1.set(array, pos);1002 }1003 var cipher = new AES128Cipher(k.subarray(0, 16));1004 e = cipher.encrypt(k1, k.subarray(16, 32));1005 var remainder = 0;1006 for (var z = 0; z < 16; z++) {1007 remainder *= 256 % 3;1008 remainder %= 3;1009 remainder += (e[z] >>> 0) % 3;1010 remainder %= 3;1011 }1012 if (remainder === 0) {1013 k = calculateSHA256(e, 0, e.length);1014 } else if (remainder === 1) {1015 k = calculateSHA384(e, 0, e.length);1016 } else if (remainder === 2) {1017 k = calculateSHA512(e, 0, e.length);1018 }1019 i++;1020 }1021 return k.subarray(0, 32);1022 }1023 function PDF20() {}1024 function compareByteArrays(array1, array2) {1025 if (array1.length !== array2.length) {1026 return false;1027 }1028 for (var i = 0; i < array1.length; i++) {1029 if (array1[i] !== array2[i]) {1030 return false;1031 }1032 }1033 return true;1034 }1035 PDF20.prototype = {1036 hash: function PDF20_hash(password, concatBytes, userBytes) {1037 return calculatePDF20Hash(password, concatBytes, userBytes);1038 },1039 checkOwnerPassword: function PDF20_checkOwnerPassword(password, ownerValidationSalt, userBytes, ownerPassword) {1040 var hashData = new Uint8Array(password.length + 56);1041 hashData.set(password, 0);1042 hashData.set(ownerValidationSalt, password.length);1043 hashData.set(userBytes, password.length + ownerValidationSalt.length);1044 var result = calculatePDF20Hash(password, hashData, userBytes);1045 return compareByteArrays(result, ownerPassword);1046 },1047 checkUserPassword: function PDF20_checkUserPassword(password, userValidationSalt, userPassword) {1048 var hashData = new Uint8Array(password.length + 8);1049 hashData.set(password, 0);1050 hashData.set(userValidationSalt, password.length);1051 var result = calculatePDF20Hash(password, hashData, []);1052 return compareByteArrays(result, userPassword);1053 },1054 getOwnerKey: function PDF20_getOwnerKey(password, ownerKeySalt, userBytes, ownerEncryption) {1055 var hashData = new Uint8Array(password.length + 56);1056 hashData.set(password, 0);1057 hashData.set(ownerKeySalt, password.length);1058 hashData.set(userBytes, password.length + ownerKeySalt.length);1059 var key = calculatePDF20Hash(password, hashData, userBytes);1060 var cipher = new AES256Cipher(key);1061 return cipher.decryptBlock(ownerEncryption, false, new Uint8Array(16));1062 },1063 getUserKey: function PDF20_getUserKey(password, userKeySalt, userEncryption) {1064 var hashData = new Uint8Array(password.length + 8);1065 hashData.set(password, 0);1066 hashData.set(userKeySalt, password.length);1067 var key = calculatePDF20Hash(password, hashData, []);1068 var cipher = new AES256Cipher(key);1069 return cipher.decryptBlock(userEncryption, false, new Uint8Array(16));1070 }1071 };1072 return PDF20;1073}();1074var CipherTransform = function CipherTransformClosure() {1075 function CipherTransform(stringCipherConstructor, streamCipherConstructor) {1076 this.StringCipherConstructor = stringCipherConstructor;1077 this.StreamCipherConstructor = streamCipherConstructor;1078 }1079 CipherTransform.prototype = {1080 createStream: function CipherTransform_createStream(stream, length) {1081 var cipher = new this.StreamCipherConstructor();1082 return new _stream.DecryptStream(stream, length, function cipherTransformDecryptStream(data, finalize) {1083 return cipher.decryptBlock(data, finalize);1084 });1085 },1086 decryptString: function CipherTransform_decryptString(s) {1087 var cipher = new this.StringCipherConstructor();1088 var data = (0, _util.stringToBytes)(s);1089 data = cipher.decryptBlock(data, true);1090 return (0, _util.bytesToString)(data);1091 }1092 };1093 return CipherTransform;1094}();1095var CipherTransformFactory = function CipherTransformFactoryClosure() {1096 var defaultPasswordBytes = new Uint8Array([0x28, 0xBF, 0x4E, 0x5E, 0x4E, 0x75, 0x8A, 0x41, 0x64, 0x00, 0x4E, 0x56, 0xFF, 0xFA, 0x01, 0x08, 0x2E, 0x2E, 0x00, 0xB6, 0xD0, 0x68, 0x3E, 0x80, 0x2F, 0x0C, 0xA9, 0xFE, 0x64, 0x53, 0x69, 0x7A]);1097 function createEncryptionKey20(revision, password, ownerPassword, ownerValidationSalt, ownerKeySalt, uBytes, userPassword, userValidationSalt, userKeySalt, ownerEncryption, userEncryption, perms) {1098 if (password) {1099 var passwordLength = Math.min(127, password.length);1100 password = password.subarray(0, passwordLength);1101 } else {1102 password = [];1103 }1104 var pdfAlgorithm;1105 if (revision === 6) {1106 pdfAlgorithm = new PDF20();1107 } else {1108 pdfAlgorithm = new PDF17();1109 }1110 if (pdfAlgorithm.checkUserPassword(password, userValidationSalt, userPassword)) {1111 return pdfAlgorithm.getUserKey(password, userKeySalt, userEncryption);1112 } else if (password.length && pdfAlgorithm.checkOwnerPassword(password, ownerValidationSalt, uBytes, ownerPassword)) {1113 return pdfAlgorithm.getOwnerKey(password, ownerKeySalt, uBytes, ownerEncryption);1114 }1115 return null;1116 }1117 function prepareKeyData(fileId, password, ownerPassword, userPassword, flags, revision, keyLength, encryptMetadata) {1118 var hashDataSize = 40 + ownerPassword.length + fileId.length;1119 var hashData = new Uint8Array(hashDataSize),1120 i = 0,1121 j,1122 n;1123 if (password) {1124 n = Math.min(32, password.length);1125 for (; i < n; ++i) {1126 hashData[i] = password[i];1127 }1128 }1129 j = 0;1130 while (i < 32) {1131 hashData[i++] = defaultPasswordBytes[j++];1132 }1133 for (j = 0, n = ownerPassword.length; j < n; ++j) {1134 hashData[i++] = ownerPassword[j];1135 }1136 hashData[i++] = flags & 0xFF;1137 hashData[i++] = flags >> 8 & 0xFF;1138 hashData[i++] = flags >> 16 & 0xFF;1139 hashData[i++] = flags >>> 24 & 0xFF;1140 for (j = 0, n = fileId.length; j < n; ++j) {1141 hashData[i++] = fileId[j];1142 }1143 if (revision >= 4 && !encryptMetadata) {1144 hashData[i++] = 0xFF;1145 hashData[i++] = 0xFF;1146 hashData[i++] = 0xFF;1147 hashData[i++] = 0xFF;1148 }1149 var hash = calculateMD5(hashData, 0, i);1150 var keyLengthInBytes = keyLength >> 3;1151 if (revision >= 3) {1152 for (j = 0; j < 50; ++j) {1153 hash = calculateMD5(hash, 0, keyLengthInBytes);1154 }1155 }1156 var encryptionKey = hash.subarray(0, keyLengthInBytes);1157 var cipher, checkData;1158 if (revision >= 3) {1159 for (i = 0; i < 32; ++i) {1160 hashData[i] = defaultPasswordBytes[i];1161 }1162 for (j = 0, n = fileId.length; j < n; ++j) {1163 hashData[i++] = fileId[j];1164 }1165 cipher = new ARCFourCipher(encryptionKey);1166 checkData = cipher.encryptBlock(calculateMD5(hashData, 0, i));1167 n = encryptionKey.length;1168 var derivedKey = new Uint8Array(n),1169 k;1170 for (j = 1; j <= 19; ++j) {1171 for (k = 0; k < n; ++k) {1172 derivedKey[k] = encryptionKey[k] ^ j;1173 }1174 cipher = new ARCFourCipher(derivedKey);1175 checkData = cipher.encryptBlock(checkData);1176 }1177 for (j = 0, n = checkData.length; j < n; ++j) {1178 if (userPassword[j] !== checkData[j]) {1179 return null;1180 }1181 }1182 } else {1183 cipher = new ARCFourCipher(encryptionKey);1184 checkData = cipher.encryptBlock(defaultPasswordBytes);1185 for (j = 0, n = checkData.length; j < n; ++j) {1186 if (userPassword[j] !== checkData[j]) {1187 return null;1188 }1189 }1190 }1191 return encryptionKey;1192 }1193 function decodeUserPassword(password, ownerPassword, revision, keyLength) {1194 var hashData = new Uint8Array(32),1195 i = 0,1196 j,1197 n;1198 n = Math.min(32, password.length);1199 for (; i < n; ++i) {1200 hashData[i] = password[i];1201 }1202 j = 0;1203 while (i < 32) {1204 hashData[i++] = defaultPasswordBytes[j++];1205 }1206 var hash = calculateMD5(hashData, 0, i);1207 var keyLengthInBytes = keyLength >> 3;1208 if (revision >= 3) {1209 for (j = 0; j < 50; ++j) {1210 hash = calculateMD5(hash, 0, hash.length);1211 }1212 }1213 var cipher, userPassword;1214 if (revision >= 3) {1215 userPassword = ownerPassword;1216 var derivedKey = new Uint8Array(keyLengthInBytes),1217 k;1218 for (j = 19; j >= 0; j--) {1219 for (k = 0; k < keyLengthInBytes; ++k) {1220 derivedKey[k] = hash[k] ^ j;1221 }1222 cipher = new ARCFourCipher(derivedKey);1223 userPassword = cipher.encryptBlock(userPassword);1224 }1225 } else {1226 cipher = new ARCFourCipher(hash.subarray(0, keyLengthInBytes));1227 userPassword = cipher.encryptBlock(ownerPassword);1228 }1229 return userPassword;1230 }1231 var identityName = _primitives.Name.get('Identity');1232 function CipherTransformFactory(dict, fileId, password) {1233 var filter = dict.get('Filter');1234 if (!(0, _primitives.isName)(filter, 'Standard')) {1235 throw new _util.FormatError('unknown encryption method');1236 }1237 this.dict = dict;1238 var algorithm = dict.get('V');1239 if (!Number.isInteger(algorithm) || algorithm !== 1 && algorithm !== 2 && algorithm !== 4 && algorithm !== 5) {1240 throw new _util.FormatError('unsupported encryption algorithm');1241 }1242 this.algorithm = algorithm;1243 var keyLength = dict.get('Length');1244 if (!keyLength) {1245 if (algorithm <= 3) {1246 keyLength = 40;1247 } else {1248 var cfDict = dict.get('CF');1249 var streamCryptoName = dict.get('StmF');1250 if ((0, _primitives.isDict)(cfDict) && (0, _primitives.isName)(streamCryptoName)) {1251 cfDict.suppressEncryption = true;1252 var handlerDict = cfDict.get(streamCryptoName.name);1253 keyLength = handlerDict && handlerDict.get('Length') || 128;1254 if (keyLength < 40) {1255 keyLength <<= 3;1256 }1257 }1258 }1259 }1260 if (!Number.isInteger(keyLength) || keyLength < 40 || keyLength % 8 !== 0) {1261 throw new _util.FormatError('invalid key length');1262 }1263 var ownerPassword = (0, _util.stringToBytes)(dict.get('O')).subarray(0, 32);1264 var userPassword = (0, _util.stringToBytes)(dict.get('U')).subarray(0, 32);1265 var flags = dict.get('P');1266 var revision = dict.get('R');1267 var encryptMetadata = (algorithm === 4 || algorithm === 5) && dict.get('EncryptMetadata') !== false;1268 this.encryptMetadata = encryptMetadata;1269 var fileIdBytes = (0, _util.stringToBytes)(fileId);1270 var passwordBytes;1271 if (password) {1272 if (revision === 6) {1273 try {1274 password = (0, _util.utf8StringToString)(password);1275 } catch (ex) {1276 (0, _util.warn)('CipherTransformFactory: ' + 'Unable to convert UTF8 encoded password.');1277 }1278 }1279 passwordBytes = (0, _util.stringToBytes)(password);1280 }1281 var encryptionKey;1282 if (algorithm !== 5) {1283 encryptionKey = prepareKeyData(fileIdBytes, passwordBytes, ownerPassword, userPassword, flags, revision, keyLength, encryptMetadata);1284 } else {1285 var ownerValidationSalt = (0, _util.stringToBytes)(dict.get('O')).subarray(32, 40);1286 var ownerKeySalt = (0, _util.stringToBytes)(dict.get('O')).subarray(40, 48);1287 var uBytes = (0, _util.stringToBytes)(dict.get('U')).subarray(0, 48);1288 var userValidationSalt = (0, _util.stringToBytes)(dict.get('U')).subarray(32, 40);1289 var userKeySalt = (0, _util.stringToBytes)(dict.get('U')).subarray(40, 48);1290 var ownerEncryption = (0, _util.stringToBytes)(dict.get('OE'));1291 var userEncryption = (0, _util.stringToBytes)(dict.get('UE'));1292 var perms = (0, _util.stringToBytes)(dict.get('Perms'));1293 encryptionKey = createEncryptionKey20(revision, passwordBytes, ownerPassword, ownerValidationSalt, ownerKeySalt, uBytes, userPassword, userValidationSalt, userKeySalt, ownerEncryption, userEncryption, perms);1294 }1295 if (!encryptionKey && !password) {1296 throw new _util.PasswordException('No password given', _util.PasswordResponses.NEED_PASSWORD);1297 } else if (!encryptionKey && password) {1298 var decodedPassword = decodeUserPassword(passwordBytes, ownerPassword, revision, keyLength);1299 encryptionKey = prepareKeyData(fileIdBytes, decodedPassword, ownerPassword, userPassword, flags, revision, keyLength, encryptMetadata);1300 }1301 if (!encryptionKey) {1302 throw new _util.PasswordException('Incorrect Password', _util.PasswordResponses.INCORRECT_PASSWORD);1303 }1304 this.encryptionKey = encryptionKey;1305 if (algorithm >= 4) {1306 var cf = dict.get('CF');1307 if ((0, _primitives.isDict)(cf)) {1308 cf.suppressEncryption = true;1309 }1310 this.cf = cf;1311 this.stmf = dict.get('StmF') || identityName;1312 this.strf = dict.get('StrF') || identityName;1313 this.eff = dict.get('EFF') || this.stmf;1314 }1315 }1316 function buildObjectKey(num, gen, encryptionKey, isAes) {1317 var key = new Uint8Array(encryptionKey.length + 9),1318 i,1319 n;1320 for (i = 0, n = encryptionKey.length; i < n; ++i) {1321 key[i] = encryptionKey[i];1322 }1323 key[i++] = num & 0xFF;1324 key[i++] = num >> 8 & 0xFF;1325 key[i++] = num >> 16 & 0xFF;1326 key[i++] = gen & 0xFF;1327 key[i++] = gen >> 8 & 0xFF;1328 if (isAes) {1329 key[i++] = 0x73;1330 key[i++] = 0x41;1331 key[i++] = 0x6C;1332 key[i++] = 0x54;1333 }1334 var hash = calculateMD5(key, 0, i);1335 return hash.subarray(0, Math.min(encryptionKey.length + 5, 16));1336 }1337 function buildCipherConstructor(cf, name, num, gen, key) {1338 if (!(0, _primitives.isName)(name)) {1339 throw new _util.FormatError('Invalid crypt filter name.');1340 }1341 var cryptFilter = cf.get(name.name);1342 var cfm;1343 if (cryptFilter !== null && cryptFilter !== undefined) {1344 cfm = cryptFilter.get('CFM');1345 }1346 if (!cfm || cfm.name === 'None') {1347 return function cipherTransformFactoryBuildCipherConstructorNone() {1348 return new NullCipher();1349 };1350 }1351 if (cfm.name === 'V2') {1352 return function cipherTransformFactoryBuildCipherConstructorV2() {1353 return new ARCFourCipher(buildObjectKey(num, gen, key, false));1354 };1355 }1356 if (cfm.name === 'AESV2') {1357 return function cipherTransformFactoryBuildCipherConstructorAESV2() {1358 return new AES128Cipher(buildObjectKey(num, gen, key, true));1359 };1360 }1361 if (cfm.name === 'AESV3') {1362 return function cipherTransformFactoryBuildCipherConstructorAESV3() {1363 return new AES256Cipher(key);1364 };1365 }1366 throw new _util.FormatError('Unknown crypto method');1367 }1368 CipherTransformFactory.prototype = {1369 createCipherTransform: function CipherTransformFactory_createCipherTransform(num, gen) {1370 if (this.algorithm === 4 || this.algorithm === 5) {1371 return new CipherTransform(buildCipherConstructor(this.cf, this.stmf, num, gen, this.encryptionKey), buildCipherConstructor(this.cf, this.strf, num, gen, this.encryptionKey));1372 }1373 var key = buildObjectKey(num, gen, this.encryptionKey, false);1374 var cipherConstructor = function buildCipherCipherConstructor() {1375 return new ARCFourCipher(key);1376 };1377 return new CipherTransform(cipherConstructor, cipherConstructor);...

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secrets.js

Source:secrets.js Github

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1const { createCipher } = require('aes256')23const CONFIG_SECRETS_KEY = 'K2U8lFjLGRTJHeFd+BGeHsEk+AHfddTX'4const aes256Cipher = createCipher(CONFIG_SECRETS_KEY)56function cipher(cleartext) {7 return aes256Cipher.encrypt(cleartext)8}910function decipher(encrypted) {11 return aes256Cipher.decrypt(encrypted)12}1314exports.cipher = cipher ...

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Using AI Code Generation

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1var AES256Cipher = require('wptoolkit').AES256Cipher;2var aes256Cipher = new AES256Cipher();3var encrypted = aes256Cipher.encrypt("password", "data");4var decrypted = aes256Cipher.decrypt("password", encrypted);5console.log("encrypted: " + encrypted);6console.log("decrypted: " + decrypted);7var AES256Cipher = require('wptoolkit').AES256Cipher;8var aes256Cipher = new AES256Cipher();9var encrypted = aes256Cipher.encrypt("password", "data");10var decrypted = aes256Cipher.decrypt("password", encrypted);11console.log("encrypted: " + encrypted);12console.log("decrypted: " + decrypted);13var AES256Cipher = require('wptoolkit').AES256Cipher;14var aes256Cipher = new AES256Cipher();15var encrypted = aes256Cipher.encrypt("password", "data");16var decrypted = aes256Cipher.decrypt("password", encrypted);17console.log("encrypted: " + encrypted);18console.log("decrypted: " + decrypted);19var AES256Cipher = require('wptoolkit').AES256Cipher;20var aes256Cipher = new AES256Cipher();21var encrypted = aes256Cipher.encrypt("password", "data");22var decrypted = aes256Cipher.decrypt("password", encrypted);23console.log("encrypted: " + encrypted);24console.log("decrypted: " + decrypted);25var AES256Cipher = require('wptoolkit').AES256Cipher;26var aes256Cipher = new AES256Cipher();27var encrypted = aes256Cipher.encrypt("password", "data");28var decrypted = aes256Cipher.decrypt("password", encrypted);29console.log("encrypted: " + encrypted);30console.log("decrypted: " + decrypted);31var AES256Cipher = require('wptoolkit').AES256Cipher;32var aes256Cipher = new AES256Cipher();33var encrypted = aes256Cipher.encrypt("password", "data");

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Using AI Code Generation

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1import {AES256Cipher} from 'wpt';2let aes256Cipher = new AES256Cipher();3let encryptedData = aes256Cipher.encrypt('Hello World');4console.log(encryptedData);5import {AES256Cipher} from 'wpt';6let aes256Cipher = new AES256Cipher();7let decryptedData = aes256Cipher.decrypt('Hello World');8console.log(decryptedData);9AES256Cipher.encrypt() method takes an optional parameter as a string which is used as the key for encryption. If no key is provided then a random key is generated for encryption. The same key must be used for

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