Steganography
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'''Steganography''' is a class of [[encryption]] in which the very fact that information exists is obscured. For example, an innocent-looking [[PNG]] image could contain a secret message encoded in its seemingly-random least-significant bits. Assuming the algorithm is sufficiently secure, it would be impossible to know whether the message exists or not, unless you know the secret key. | '''Steganography''' is a class of [[encryption]] in which the very fact that information exists is obscured. For example, an innocent-looking [[PNG]] image could contain a secret message encoded in its seemingly-random least-significant bits. Assuming the algorithm is sufficiently secure, it would be impossible to know whether the message exists or not, unless you know the secret key. | ||
Revision as of 15:35, 15 June 2017
Steganography is a class of encryption in which the very fact that information exists is obscured. For example, an innocent-looking PNG image could contain a secret message encoded in its seemingly-random least-significant bits. Assuming the algorithm is sufficiently secure, it would be impossible to know whether the message exists or not, unless you know the secret key.
