2022-10-11 @Matthias Valvekens
ISO's new PDF signature extensions
Two PDF 2.0 extensions that have been in the pipeline for a long time are now finally out there!
2022-08-23 @Matthias Valvekens
PyCon LT 2022 talk: Bringing digital signatures and PKI to the masses with Python
A couple months ago, I went to PyCon Lithuania to give a talk on PKI for Python devs. I had a great time getting to know the Python scene in Vilnius. There’s a video of the talk below.
2022-07-24 @Matthias Valvekens
Intermezzo: MACs vs. signatures in PDF
If you’ve dabbled in PDF-related development before, your first thought might be “Wait, why are we having this whole integrity protection conversation? Can’t you just slap a digital signature on your encrypted files and call it a day?”.
2022-07-24 @Matthias Valvekens
ISO 32004: an overview
For a few years now, the PDF industry has been working on a new mechanism to improve integrity protection in encrypted documents. ISO/TC 171/SC 2, the committee that manages the PDF standard, took ownership of that effort in the form of the ISO 32004 project.