Non-algorithmic vectored steganography

G - Physics – 06 – F

Patent

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Details

G06F 21/00 (2006.01) G09C 5/00 (2006.01) H04L 9/28 (2006.01) H04L 9/32 (2006.01)

Patent

CA 2557516

According to the invention, a system for verifying a steganogram is disclosed. Included in the system are a first system, a second system, a steganogram, and a steganogram preparer. The first system is coupled to an access device by way of a public network. The second system coupled to the first system. The steganogram is comprised of random data and encrypted information, which is randomly dispersed throughout the steganogram. The steganogram preparer provides the steganogram to the access device. The first system gathers a subset of the encrypted information from the access device. The second system receives the subset or a derivative of the subset and verifies that the subset or a derivative of the subset is from the steganogram.

Cette invention concerne un système permettant de vérifier un stéganogramme. Ce système comprend un premier système, un deuxième système, un stéganogramme et un élaborateur de stéganogramme. Le premier système est couplé à un dispositif d'accès au moyen d'un réseau public. Le deuxième système est couplé au premier système. Le stéganogramme est composé de données aléatoires et d'informations chiffrées qui sont dispersées de façon aléatoire dans le stéganogramme. L'élaborateur de stéganogramme envoie le stéganogramme au dispositif d'accès. Le premier système rassemble un sous-ensemble d'informations chiffrées à partir du dispositif d'accès. Le deuxième système reçoit le sous-ensemble ou un dérivé de ce sous-ensemble et vérifie que le sous-ensemble ou que le dérivé du sous-ensemble provient du stéganogramme.

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