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Visuelle Kryptographie
Paperback
Series: Springer-Lehrbuch
General ComputersGeneral Mathematics
ISBN13: 9783540723615
Publisher: Springer Nature
Published: Aug 27 2007
Pages: 167
Weight: 0.57
Height: 0.38 Width: 6.14 Depth: 9.21
Language: German
Mit Erfindung der Schrift entstand gleichzeitig der Bedarf, Geschriebenes vor unbefugten Lesern zu verbergen. Die Lehre von den Geheimschriften ist daher fast ebenso alt wie die Schrift selbst. Als Wissenschaft im modernen Sinne ist die Kryptographie jedoch noch sehr jung. 1994 erfanden Naor und Shamir folgendes Verfahren: Sie verteilten ein Bild so auf zwei Folien, dass auf jeder einzelnen Folie nur ein zufälliges Punktmuster zu sehen ist, aber beide Folien übereinander gelegt ein geheimes Bild ergeben. Das Buch gibt einen Einblick in die aktuelle Forschung, wobei es bewusst auf Höhere Mathematik verzichtet. Es eignet sich daher ideal als Grundlage für Proseminare und Mathematik-AGs der Sekundarstufe. Plus: Aufgaben mit Musterlösungen.
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