Digitally signing a PDF with the Cloud Signature Consortium API
How to use a new open-source API from BFO to digitally sign using a key hosted remotely managed by a vendor supporting the Cloud Signature Consortium
Digitally signing a PDF with the GlobalSign Qualified Signing Service
GlobalSign have updated their digital signing service and now offer qualified signatures. We show you how to integrate this with our PDF library.
Signing a PDF with Amazon CloudHSM
A quick note on signing PDFs with the Amazon CloudHSM
Imperfect PDF Digital Signatures
Why policy decisions by Adobe are damaging trust in PDF digital signatures
Perfect PDF Digital Signatures, EU style
An updated version of the article we wrote 8 years ago, exploring how to create digital signatures with our API that are automatically approved by Acrobat: this time, with an EU Identity card
Digitally signing a PDF with the GlobalSign Digital Signing Service
GlobalSign have recently launched a digital signing service, and in this article we show you how to integrate this with our PDF library.
Long-Term Validation of Signatures
One of the main new features in release 2.18.2 of our PDF Library was support for "Long Term Validation" of signatures. The purpose of these isn't immediately clear - read on for details.
Handwritten Digital Signatures
A new feature in 2.11.25 of the PDF Library is the ability to capture handwritten signatures from an iPad, iPhone or Android tablet. Useful? Maybe not, but it is kinda neat as you can see in the video.
Perfect PDF Digital Signatures
Not all digital signatures are created equal. Our PDF Library has been able to digitally sign documents for years, but digitally signing a file with a key that's trusted by Acrobat is a little trickier, and requires hardware. Here, we show you how to do it.
Smaller, Faster, Better - BFO Release New PDF Library
The recent PDF Library 2.11.15 has a few highlights, including better support for digital signing from hardware, generation of "Aztec Code" barcodes, basic support for Flash file embedding in PDF, and a large number of bug fixes and improvements. This release offers improvements in memory and speed across the board, with tweaks to the low level data-structures that underly all PDFs. The Jar has shrunk by 10% as well, and our packed PDF Viewer Applet now scrapes in at just under 800KB.