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Sicurezza delle informazioni Con esercizi risolti by Brahim Lejdel

Sicurezza delle informazioni Con esercizi risolti

by Brahim Lejdel
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Book cover type: Paperback
  • ISBN13: 9786209638824
  • Binding: Paperback
  • Subject: N/A
  • Publisher: Edizioni Sapienza
  • Publisher Imprint: Edizioni Sapienza
  • Publication Date:
  • Pages: 72
  • Original Price: GBP 38.19
  • Language: Italian
  • Edition: N/A
  • Item Weight: 109 grams
  • BISAC Subject(s): General

Questo libro presenta un'esplorazione fondamentale della sicurezza delle informazioni attraverso la lente della crittografia, passando dai sistemi classici a quelli moderni. Inizia illustrando la crittografia a chiave simmetrica con il cifrario di Hill, che trasforma i dati utilizzando l'algebra lineare, e introduce il concetto di segretezza perfetta con il one-time pad, pur rilevandone i limiti pratici nella gestione delle chiavi. Il nucleo del testo si addentra poi nella crittografia a chiave pubblica, esemplificata da RSA, che risolve il problema della distribuzione delle chiavi attraverso chiavi pubbliche e private collegate matematicamente. Nel corso degli esempi, il libro sottolinea lezioni pratiche fondamentali: la necessit� di utilizzare chiavi sufficientemente grandi, l'importanza di una codifica e di un padding adeguati e il fatto che la sicurezza non si basa solo su algoritmi forti, ma anche su un'implementazione robusta e sulla protezione delle chiavi. In definitiva, il libro inquadra la sicurezza delle informazioni come una disciplina dinamica e stratificata che richiede un costante adattamento per bilanciare la riservatezza, l'integrit� e la disponibilit� contro le minacce in evoluzione.

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