I've written the specs for a steganography system.
With this specs you can build a steganography system that allow the user to encode/decode in an image up to 3 different ascii messages.
The steganography is an encryption system that insert datas to be hidden in an image, so you can preserve in your disk an innocent image that contains a message inside :)
The BMS2 (Bliz Multifile Steganography System) spec is released under the Creative commons licence.
You can download the spec here: DOWNLOAD BMS2 PAPER
Bliz Multifile Steganography System by
Giovanni Santostefano is licensed under a
Creative Commons Attribution-Noncommercial-Share Alike 2.5 Italy License.