Criptare dati sensibili nel database

07 Dec '11, 07:35 PM
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Salve, so che è possibile cifrare le tuple nel database, ma non con sistemi che permettono il decrypt dei dati. Percui la mia domanda è: si puó implementare un algoritmo di cifratura arbitrario? Se si come?

 
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Forum Hero - Level 9

Ciao,

potresti provare a creare una classe ed implementare un Hibernate Type estendendo ad esempio StringType e redefinendo i metodi set() e get().

http://www.docjar.com/html/api/org/hibernate/type/StringType.java.html

Nel Data Model occorre selezionare gli Attributi desiderati ed indicare la classe nella Proprietà Hibernate Type nel Tab Mapping del Pannello delle Proprietà

Inoltre potrebbe essere poco significativo aggiungere condizioni sugli Attributi o degli ordinamenti sulle unit perchè i dati saranno criptati.


Hi,

you can try to prepare a class, implement an Hibernate Type which extends the StringType and redefine the set() and get() methods.

http://www.docjar.com/html/api/org/hibernate/type/StringType.java.html

In the Data Model you have to select the Attributes and set your class to the Hibernate Type Property in the Mapping tab in the Properties View.

Moreover Attributes Conditions and sorting are not useful for crypted data.

   
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Forum Hero - Level 9

Ciao,

puoi cifrare gli Attributi di tipo Password. Se ad esempio consideri l'Entità User nel Data Model e selezioni l'Attributo "password" puoi impostare l'algoritmo di cifratura da applicare. In questo caso nel Pannello delle Proprietà c'è la voce Crypt Algorithm abilitata. Puoi quindi selezionare un algoritmo tra quelli proposti oppure aggiungerne uno. Cliccando sul pulsante Browse accedi alle Preferenze, qui puoi aggiungere i riferimenti all'algorimo desiderato.


Hi,

you can encrypt the Password Attributes. For example if you consider the User Entity in the Data Model and choose the "password" Attribute you can apply an encryption algorithm. In this case the Crypt Algorithm Property in the Properties View is enabled. Now you can choose the algoritm that you prefer between the shown items or add a new one. Clicking on the Browse button the Preference Window will be opened and here you can add the references to the desired algorithm.

 
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Si, questo lo so, ma forse non mi sono spiegato. Facciamo l'esempio che ho un db di un sistema anagrafico. Quindi ho un'entità con nome,cognome e data di nascita. Voglio proteggere questi tre valori nel db, ma voglio anche poterci accedere e leggere il contenuto. Nel modo da lei indicato dovrei indicare tutto password, e come gestisco la data? E i tipi blob? E per decifrare quello che ho criptato?

 
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