- 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 ass well as the first PHP implementation was founded
with my collegues at bigpoint.com.

- Bjoern Ellebrecht
- Lass Puls
- Robin Rogge