ISO TC 171 SC 2 is publishing new extensions and clarifications to PDF 2.0 in support of advanced cryptography.

A commentary on the interoperability of encrypting PDF documents with public-key cryptography.

Identifying the signer’s key in a PDF signature: how does that work?

Dietrich von Seggern from callas software explains, how companies can optimally prepare PDF files for variable data printing.

As of October 28 2022 worldwide searches for “pdf” had peaked in March, 2022. Even as internet searches continue to … Read more

Some time ago Adobe announced that it “will disable support for authoring with Type 1 fonts by January 2023”. Dietrich … Read more

John Brinkman provides an update on the work of the PDF Association’s Forms TWG and its development of the next … Read more

Dietrich von Seggern and Akash Choudhary from callas software and David van Driessche from Four Pees are presenting at this … Read more

The new PDF/UA Processor LWG’s mission is to establish principles and a framework, and then develop requirements for PDF/UA processors … Read more

Matthias Valvekens explains the difference and respective value of digital signatures vs. MAC-based technology for authenticating PDF files.