Procedures followed or measures taken to ensure the safety of something


Understanding the PDF File Format

We have been working with PDF files since 1999 and developed complex software to display PDF files. We have learnt a lot about the...
Leon Atherton
3 min read

How to use Cipher streams in Java

What is a Cipher stream? Cipher streams act as streams except that they use a Cipher to process the data before it is passed...
Kieran France
3 min read

Brief Overview of Security features offered by the PDF…

As security is an ever present issue we thought we would highlight some security features offered by the PDF file format that can be...
Georgia Ingham
2 min read

How are PDF files protected?

Access to PDF files can be secured so that not just anyone can open them. This is achieved by encryption – the bytes in...
Mark Stephens
1 min read