EO.Pdf 2012 for .NET -- Read/Write Encrypted PDF Files

EO.Pdf fully supports PDF encryption. It can both read and write encrypted PDF files.

Use it in your Application

Sample code to load/save encrypted PDF file:

>//Load inputFileName with password "1234"
PdfDocumentSecurity security = new PdfDocumentSecurity("1234");
PdfDocument doc = new PdfDocument(inputFileName, security);
 
//Set a new password "5678"
doc.Security.UserPassword = "5678";
 
//Disallow printing
doc.Security.Disallow(PdfDocumentPermissions.Printing);
 
//Save the PDF file
doc.Save(outputFileName);

'Load inputFileName with password "1234"
Dim security As New PdfDocumentSecurity("1234")
Dim doc As New PdfDocument(inputFileName, security)
 
'Set a new password "5678"
doc.Security.UserPassword = "5678"
 
'Disallow printing
doc.Security.Disallow(PdfDocumentPermissions.Printing)
 
'Save the PDF file
doc.Save(outputFileName)

Detailed documentation and sample code about this feature can be found in the download package.

Additional Resources

• Product Documentation

  All features are explained in great details in the product documentation. It also contains complete reference information for each type, property or method;

• Samples

  The download package contains a wide variety of samples with full C# and Visual Basic.NET source code that demonstrate how to use different feature of the EO.Pdf library.

• Technical Support

  Still have questions? Post in our support forum or contact us and we will answer them quickly. Our turn around time is among the best in the industry.