Securing and signing PDF documents

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Today more and more official documents are stored in PDF format. And there is a need to sign such electronic documents. Of course, you can print your PDF, sign, scan, and send it back to your computer. But there is a more new and faster way to sign an electronic PDF document using a digital signature. Such an opportunity is provided to you by the Aspose.PDF for C++ library, which will provide you with the same opportunity.

In this article, you will learn how to add digitally sign to PDF files and sign from the smart card, how to extract image and signature information from your PDF. Also, this topic shows how to encrypt and decrypt PDF documents.