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How to do image steganography on Linux

Howto Forge - Mon, 05/10/2015 - 1:12pm
Steganography is the ancient art of the information concealment. People have found numerous methods to achieve this such as “invisible” inks, messages hidden in objects, and the famous “null cipher”. The word “steganography” comes from the Greek words “steganos” and “graphy” which means “impenetrable writing”. The years have passed and steganography has evolved into a sophisticated part of cryptography.