PDFBlackbox .NET

PDFBlackbox is a software that offers a wide range of features designed to enhance the functionality of your .NET applications. By integrating PDFBlackbox into your application, you can sign and verify PDF documents using RSA public keys and X.509 certificates. Additionally, you can encrypt and decrypt PDF documents using RSA public keys and X.509 certificates or symmetric keys (passwords, passphrases).

This software can also perform operations using keys stored on cryptographic hardware such as USB cryptotokens and smart cards. PDFBlackbox even compresses the documents being processed using a ZLib compression algorithm, making it an efficient tool for handling large PDF documents without significant memory requirements.

PDFBlackbox.NET is a collection of managed .NET components designed to help you encrypt, sign, and compress PDF documents from your .NET Framework applications. The components are a clean-room implementation of the PDF format specification, which means they don't use any third-party libraries for core functionality.

PDFBlackbox.NET is also available as an edition that can be easily integrated into Visual Studio 2012, 2010, 2008, 2005, or Delphi Prism. To use this software, you'll need to have .NET Framework 4.5, 4.0, 3.5, 2.0, Silverlight (5.0 or 4.0), Mono 2.0, or Mono for Android, NET CF (3.5, 2.0) installed. Overall, if you're looking for a comprehensive PDF manipulation tool, PDFBlackbox.NET is a solid choice for your software needs.