AsposePdfEncrypt

Encrypt PDF file.

function AsposePdfEncrypt(
    fileBlob,
    fileName,
    passwordUser,
    passwordOwner,
    permissions,
    cryptoAlgorithm,
    fileResultName 
)

Parameters:

• fileBlob Blob object
• fileName file name
• passwordUser user password
• passwordOwner owner password
• permissions encrypt permissions:
  • Module.Permissions.PrintDocument
  • Module.Permissions.ModifyContent
  • Module.Permissions.ExtractContent
  • Module.Permissions.ModifyTextAnnotations
  • Module.Permissions.FillForm
  • Module.Permissions.ExtractContentWithDisabilities
  • Module.Permissions.AssembleDocument
  • Module.Permissions.PrintingQuality
• cryptoAlgorithm encrypt algorithm:
  • Module.CryptoAlgorithm.RC4x40
  • Module.CryptoAlgorithm.RC4x128
  • Module.CryptoAlgorithm.AESx128
  • Module.CryptoAlgorithm.AESx256
• fileResultName result file name

Return:

JSON object

• errorCode - code error (0 no error)
• errorText - text error ("" no error)
• fileNameResult - result file name

Example:

  var ffileEncrypt = function (e) {
    const file_reader = new FileReader();
    file_reader.onload = (event) => {
      /*encrypt a PDF-file with passwords "user" and "owner", and save the "ResultDecrypt.pdf"*/
      const json = AsposePdfEncrypt(event.target.result, e.target.files[0].name, "user", "owner", Module.Permissions.PrintDocument, Module.CryptoAlgorithm.RC4x40, "ResultEncrypt.pdf");
      if (json.errorCode == 0) document.getElementById('output').textContent = json.fileNameResult;
      else document.getElementById('output').textContent = json.errorText;
      /*make a link to download the result file*/
      DownloadFile(json.fileNameResult, "application/pdf");
    };
    file_reader.readAsArrayBuffer(e.target.files[0]);
  };