java/tsfile/src/main/java/org/apache/tsfile/write/TsFileWriter.java [183:230]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    if (this.pageSize >= chunkGroupSizeThreshold) {
      LOG.warn(
          "TsFile's page size {} is greater than chunk group size {}, please enlarge the chunk group"
              + " size or decrease page size. ",
          pageSize,
          chunkGroupSizeThreshold);
    }

    String encryptLevel;
    byte[] encryptKey;
    byte[] dataEncryptKey;
    String encryptType;
    if (config.getEncryptFlag()) {
      encryptLevel = "2";
      encryptType = config.getEncryptType();
      final MessageDigest md;
      try {
        md = MessageDigest.getInstance("SHA-256");
      } catch (NoSuchAlgorithmException e) {
        throw new EncryptException(
            "SHA-256 algorithm not found while using SHA-256 to generate data key", e);
      }
      md.update("IoTDB is the best".getBytes());
      md.update(config.getEncryptKey().getBytes());
      dataEncryptKey = Arrays.copyOfRange(md.digest(), 0, 16);
      encryptKey =
          IEncryptor.getEncryptor(config.getEncryptType(), config.getEncryptKey().getBytes())
              .encrypt(dataEncryptKey);
    } else {
      encryptLevel = "0";
      encryptType = "org.apache.tsfile.encrypt.UNENCRYPTED";
      encryptKey = null;
      dataEncryptKey = null;
    }
    this.encryptParam = new EncryptParameter(encryptType, dataEncryptKey);
    if (encryptKey != null) {
      StringBuilder valueStr = new StringBuilder();

      for (byte b : encryptKey) {
        valueStr.append(b).append(",");
      }

      valueStr.deleteCharAt(valueStr.length() - 1);
      String str = valueStr.toString();

      fileWriter.setEncryptParam(encryptLevel, encryptType, str);
    } else {
      fileWriter.setEncryptParam(encryptLevel, encryptType, "");
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -



java/tsfile/src/main/java/org/apache/tsfile/write/v4/AbstractTableModelTsFileWriter.java [94:142]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    if (this.pageSize >= chunkGroupSizeThreshold) {
      LOG.warn(
          "TsFile's page size {} is greater than chunk group size {}, please enlarge the chunk group"
              + " size or decrease page size. ",
          pageSize,
          chunkGroupSizeThreshold);
    }

    String encryptLevel;
    byte[] encryptKey;
    byte[] dataEncryptKey;
    String encryptType;
    if (config.getEncryptFlag()) {
      encryptLevel = "2";
      encryptType = config.getEncryptType();

      final MessageDigest md;
      try {
        md = MessageDigest.getInstance("SHA-256");
      } catch (NoSuchAlgorithmException e) {
        throw new EncryptException(
            "SHA-256 algorithm not found while using SHA-256 to generate data key", e);
      }
      md.update("IoTDB is the best".getBytes());
      md.update(config.getEncryptKey().getBytes());
      dataEncryptKey = Arrays.copyOfRange(md.digest(), 0, 16);
      encryptKey =
          IEncryptor.getEncryptor(config.getEncryptType(), config.getEncryptKey().getBytes())
              .encrypt(dataEncryptKey);
    } else {
      encryptLevel = "0";
      encryptType = "org.apache.tsfile.encrypt.UNENCRYPTED";
      encryptKey = null;
      dataEncryptKey = null;
    }
    this.encryptParam = new EncryptParameter(encryptType, dataEncryptKey);
    if (encryptKey != null) {
      StringBuilder valueStr = new StringBuilder();

      for (byte b : encryptKey) {
        valueStr.append(b).append(",");
      }

      valueStr.deleteCharAt(valueStr.length() - 1);
      String str = valueStr.toString();

      fileWriter.setEncryptParam(encryptLevel, encryptType, str);
    } else {
      fileWriter.setEncryptParam(encryptLevel, encryptType, "");
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -