Posts By Bruno Lowagie

Digital Signatures white paper

I have written two books about PDF for Manning Publications Co. This was a great experience. I’ve learned plenty of interesting stuff about writing, and it’s great to have a publishing company renowned for its IT books printing your book, but there are also some disadvantages. For instance: as an author, you’re not free toRead… Read more »

How to distinguish a fake digital signature from a real one

There are lot misconceptions about digital signatures. Some think that adding an image of a signature to a document is sufficient to legally sign a document. Others know that digital signatures are described in standards, such as PDF 32000-1 and the ETSI Technical Standards TS 102 778 (part 1 to 6). For those who don’tRead… Read more »