- Georg Hopp <georg@steffers.org>

the base64 code is taken from the linux core utils package and was
written by:

- Simon Josefsson

This code is also copyrighted by the GPL 3.

The original idea as well as the first PHP implementation was founded
in cooperation with my collegues at Bigpoint www.bigpoint.com.

- Bjoern Ellebrecht
- Lass Puls
- Robin Rogge