FEATURED NEWS

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Announcing the first PDF Week, May 2-5 2023

A new type of PDF Association event, PDF Week is the ideal way to get to know the experts developing and advancing PDF technology.

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PDF 2.0 modernizes cryptographic support

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

PDF 2.0 security shield with crypto terms surrounding it


Quirks of PDF public-key encryption

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

Figurative depiction of cryptography with hands and a phone.


How are signers identified?

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

People exchange credentials.


SafeDocs Phase 3: Revolutionizing file format specifications, beginning with PDF

DARPA will provide seed funding of $1.3M for research and prototyping centered on reinventing the PDF specification and delivering on the benefits of defining file formats using unambiguous machine-readable assets.

Figurative representation of the future PDF specification.


MACs vs. signatures in PDF

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

A signed document delivered via computer.


ISO 32004: an overview

Matthias Valvekens, the ISO project leader who led development of ISO 32004, has written a pair of blog posts to explain what ISO 32004 does and does not achieve in leveraging MAC technology for securing encrypted PDF files against tampering.

Schematic of an ISO/DTS 32004 MAC in context.


Artifex Software is pleased to announce the release of MuPDF 1.20.0

The MuPDF 1.20.0 release focuses on improving annotations, enhanced form handling, and ease of integration.

Person working at a desk two people standing discussing information on a white board MuPDF1.20.0 release


Updating PDF-related MIME types

The PDF Association has updated IANA’s MIME media types registry for FDF, XFDF, PRC and U3D.

application/fdf, application/xfdf, application/pdf, model/prc, model/u3d, model/step


Introducing non-rectangular links to PDF

Non-rectangular links are coming to PDF 2.0! This article offers some background to link technology in PDF and discusses the forthcoming Extension to PDF 2.0.

Screen-shot of long Table of Contents entries line wrapping with Link annotation QuadPoints boundaries highlighted.


PDF 2.0 adds STEP 3D model support

With the publication of ISO/TS 24064 PDF 2.0 now supports three 3D formats: U3D, PRC and STEP.

Engineering drawing and finished piece.