April 2016
Intermediate to advanced
944 pages
27h 6m
German
Content preview from Kryptografie
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9 Symmetrische Verfahren, die vor dem AES entstanden sind
Die Qualität des DES zeigt sich nicht zuletzt daran, dass es 15 Jahre dauerte, bis erstmals ernsthafte Alternativen dazu entwickelt wurden. Die ersten DES-Konkurrenten, die Ende der achtziger Jahre aufkamen, erreichten das Vorbild jedoch meist nicht und wiesen meist die eine oder andere Sicherheitslücke auf. Erst in den Neunzigern konnten sich andere Algorithmen etablieren, bevor um 1997 mit dem Beginn des AES-Wettbewerbs schließlich eine neue Ära begann. Einige Verfahren, die aus dieser Vor-AES-Ära stammen, haben noch heute eine gewisse Bedeutung. Diese stelle ich in diesem Kapitel vor. ...
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