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How to use AES256Cipher method in wpt

Best JavaScript code snippet using wpt

crypto.js

Source:crypto.js

...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);...

secrets.js

Source:secrets.js

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
...

Using AI Code Generation

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");

Using AI Code Generation

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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