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Securing PDFs with .NET Core library

Security on a PDF document protects the content from unauthorized access like copying or printing. PDF documents can be secured and encrypted using various encryption schemes. Control over document security in PDFTron SDK is performed through security handlers. Security handlers perform user authorization and sets various permissions over PDF documents.

PDFTron SDK benefits include:

  • Support for Standard PDF security handler (40 and 128 bit RC4 encryption)
  • Support for 128 and 256 bit AES (Advanced Encryption Standard) encryption
  • Support for custom security handlers
  • Support for Crypt encryption filters
  • Set or modify security permissions associated with a document
  • Remove encryption from existing PDF documents
  • Powerful extension mechanism allowing for seamless integration with client applications

Get started

Securing a document with encryption
To secure a document with password protection and adjusting permissions on the document.

Reading a document with encryption
To read a document with password protection without user feedback.

Tools & Utilities

A command-line tool that can be used for adding, removing, or changing security settings on existing PDF documents or whole directories of documents.

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