75 Stories by Jacob Collins
A PDF document structure consists of several components that determines how text, images and other elements are stored and displayed. It is a binary... Introduction PDF files are not natively supported in Java, so to digitally sign them, you will need some special software. This tutorial demonstrates how... Apache PDFBox and JPedal both date back to the early 2000s. For most of that time the two projects ran in parallel: different teams,... iText and JPedal both appeared in the early 2000s, both target Java developers working with PDF, and we have given joint talks with the... PDF files sometimes reference external resources such as images or other documents. To increase portability and ease archival of such PDF files, these resources... Digital signatures are a stamp of authentication for digital information. For PDF files, they provide the ability to detect whether the document has been... 