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Home › Sicurezza in Java › 3Panoramica su Java › 31Evoluzione della sicurezza in Java

312Jdk 1.1

Roberto Bifulco — Mon, 02/04/2008 - 23:22

Col Jdk 1.1 si cerca di consentire al codice fidato proveniente da remoto la possibilità di eseguire maggiori operazioni. Per rendere il codice “fidato” si utilizza un meccanismo di crittografia a chiave asimmetrica. Se il codice è firmato, ed il suo firmatario è riconosciuto dall'ambiente come attendibile, allora il codice è considerato trusted.

In questo modo anche il codice remoto può essere eseguito fuori dalla sandbox, tuttavia persistono molte limitazioni:

  • Non esiste granularità nell'assegnazione dei privilegi. Il codice è eseguito o nella sandbox o fuori da questa.

  • Il codice presente sul file system locale è considerato sempre trusted e non controllato.

‹ 311Jdk 1.0 up 313Jdk 1.2 (Java 2.0) ›
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Sicurezza in Java

  • 1Prefazione
  • 2Introduzione
  • 3Panoramica su Java
    • 31Evoluzione della sicurezza in Java
      • 311Jdk 1.0
      • 312Jdk 1.1
      • 313Jdk 1.2 (Java 2.0)
    • 32Ciclo di vita di un'applicazione Java
    • 33Modello di sicurezza in Java 2.0
      • 331Identificazione del codice
      • 332Permessi
      • 333Dominio di protezione
      • 334Politiche di sicurezza
      • 335Access controller
  • 4Tecniche di attacco
    • 41Errori nella realizzazione delle classi di sistema
    • 42Type confusion
    • 43Class spoofing
    • 44Tecniche di aumento dei privilegi
  • 5Conclusioni
  • 6Bibliografia
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