OpenPuff
OpenPuff Steganography and Watermarking, sometimes abbreviated OpenPuff or Puff, is a free steganography tool for Microsoft Windows created by Cosimo Oliboni and still maintained as independent software. The program is notable for being the first steganography tool (version 1.01 released in December 2004) that: * lets users hide data in more than a single carrier file. When hidden data are split among a set of carrier files you get a carrier chain, with no enforced hidden data theoretical size limit (256MB, 512MB, ... depending only on the implementation) * implements 3 layers of hidden data obfuscation (cryptography, whitening and encoding) * extends deniable cryptography into deniable steganography Last revision supports a wide range of carrier formats * Images Bmp, Jpg, Png, Tga * Audios Aiff, Mp3, Wav * Videos 3gp, Mp4, Mpeg I, Mpeg II, Vob * Flash-Adobe Flv, Pdf, Swf (Wikipedia).
