April 12, 2023March 7, 2023 by matthias@mvalvekens.be The Digital Signature Technical Working Group chair lays out the work to be discussed at PDF Week Paris 2023.
January 30, 2023December 21, 2022 by matthias@mvalvekens.be A commentary on the interoperability of encrypting PDF documents with public-key cryptography.
January 6, 2023December 20, 2022 by matthias@mvalvekens.be Identifying the signer’s key in a PDF signature: how does that work?