PdfDocument pdfDoc = new PdfDocument(reader, writer) ĮncryptedBase64 = Convert.ToBase64String(memoryStream. PdfWriter writer = new PdfWriter(memoryStream, props) Using (var memoryStream = new MemoryStream()) The owner password is there to define permissions (for instance: the document can be viewed, but not printed). A pdf that is encrypted with an owner password can be opened by every one who receives the document. SetStandardEncryption(userPassword, ownerPassword, EncryptionConstants.ALLOW_PRINTING,ĮncryptionConstants.ENCRYPTION_AES_128 | EncryptionConstants.DO_NOT_ENCRYPT_METADATA) Using iText 7, we can define two passwords: a user password and an owner password. WriterProperties props = new WriterProperties() PdfReader reader = new PdfReader(new MemoryStream(srcBytes)) Var srcBytes = Convert.FromBase64String(pdfBase64) Source Code public static string EncryptPDFwithPassword(string pdfBase64, string passwordUser, string passwordOwner) Nuget Package: Install-Package itext7 -Version 7.1.7 Step 2: Now you have generated basic MVC file template, now. Select MVC template to generate basic HomeController and other details. Step 1: Create a project in your Visual Studio (2017 in my example), by opening Visual Studio and clicking 'File'-> 'New'-> 'Project'. ![]() There is no username, only a user password. It is actually derived a version of wkhtmltopdf which converts HTML to pdf. ![]() If a pdf is encrypted using a user password, everybody who knows the user password can open the file. ![]() Using iText 7, we can define two passwords: a user password and an owner password.
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