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Transmission sécurisée de textes à travers des images à l'aide d'algorithmes de cryptage
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ISBN10: 6208283752
ISBN13: 9786208283759
Publisher: Editions Notre Savoir
Published: Nov 10 2024
Pages: 100
Weight: 0.35
Height: 0.24 Width: 6.00 Depth: 9.00
Language: French
ISBN13: 9786208283759
Publisher: Editions Notre Savoir
Published: Nov 10 2024
Pages: 100
Weight: 0.35
Height: 0.24 Width: 6.00 Depth: 9.00
Language: French
La stéganographie consiste à dissimuler des messages ou des informations dans d'autres données ou textes non secrets ou dans une image. De nombreux formats de fichiers porteurs peuvent être utilisés, mais les images numériques sont les plus populaires en raison de leur fréquence sur l'internet. La stéganographie est un meilleur moyen de sécuriser un message que la cryptographie, qui ne dissimule que le contenu du message et non son existence. La stéganographie est un outil utile qui permet la transmission secrète d'informations sur le canal de communication. La combinaison d'un message secret avec l'image porteuse donne l'image cachée. L'image cachée est difficile à détecter sans être récupérée. Dans la stéganographie basée sur l'image, les trois bits les moins significatifs et la technique d'encodage pseudo-aléatoire sont utilisés sur les images pour améliorer la sécurité de la communication. En utilisant la clé, le risque d'être attaqué par le pirate est réduit. Ce travail est complété par des sujets tels que l'étude de la littérature, les résultats expérimentaux, etc.
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