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Integriertes Sicherheits-Toolkit für Bilder by Samanta, Sabyasachi

Integriertes Sicherheits-Toolkit für Bilder

by Sabyasachi Samanta
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Book cover type: Paperback
  • ISBN13: 9786208096809
  • Binding: Paperback
  • Subject: N/A
  • Publisher: Verlag Unser Wissen
  • Publisher Imprint: Verlag Unser Wissen
  • Publication Date:
  • Pages: 76
  • Original Price: GBP 30.0
  • Language: German
  • Edition: N/A
  • Item Weight: 123 grams
  • BISAC Subject(s): General

Das Verstecken von Informationen bedeutet Vertraulichkeit, unbefugten Zugriff auf den Inhalt und Nichtverfügbarkeit. Steganografie ist die Kunst und Wissenschaft, Informationen durch einen geeigneten Träger wie Bild, Text, Audio und Video zu verbergen. Digitale Wasserzeichen sind eine Art Marker, der verdeckt in ein rauschunempfindliches Signal wie Bild, Audio und Video eingebettet ist. Sie werden in der Regel verwendet, um den Urheberrechtsinhaber zu identifizieren. Kryptografie ist die Methode, mit der Klartext in Chiffretext umgewandelt wird. Die visuelle Kryptografie ist ebenfalls eine Art kryptografischer Technik, die es ermöglicht, visuelle Informationen so zu verschlüsseln, dass die Entschlüsselung durch das menschliche visuelle System ohne die Hilfe von Computern erfolgen kann. Für eine sichere Kommunikation über digitale Tarnmedien kann die kaskadierte Implementierung von Verschlüsselung, unsichtbaren digitalen Wasserzeichen/Steganografie und visueller Kryptografie eines der besten Sicherheitsmodule im Bereich der Informationssicherheit darstellen. Steganalyse ist die Fähigkeit und Wissenschaft, versteckte Nachrichten aus einem Stego-Tarnmedium zu erkennen. Dabei wird versucht, weitere Informationen aus dem Stego-Objekt zu finden, wie z. B. die Art des Einbettungsalgorithmus, die Länge der Nachricht usw.

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