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Pete Finnigan
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Read the value from Oracle Wallet
« on: Jan 4th, 2006, 6:53am »		 Quote | Modify
Hi,
 
We are using 10gR2 on Red Hat Enterprise Linux ES release 4 with Multi master replication environment.
I want to encrypt a column using DBMS_CRYPTO package.  Here the critical part is storing the encryption key in a secured environment.
To store the encryption key what is the best approach?
 
Shell I use the Oracle Wallet to store the key, if so how to retrieve the key value from the wallet.
Is there any way to retrieve the key from wallet using PL/SQL programs?
 
Thanks in advance for any suggestion.
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Pete Finnigan
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Re: Read the value from Oracle Wallet
« Reply #1 on: Jan 4th, 2006, 9:07am »		 Quote | Modify
Sckkumar,
 
I'm not sure if storing the encryption key in a wallet is a good idea (for your purpose). And I don't know if there is a kind of API in PL/SQL to access a wallet.  
But you could experiment with the mkstore utility to store  your encryption keys:
 
Code:
oracle@Asus:~/Mkstore > mkstore -create -wrl .
Enter password:
 
Enter password again:
 
oracle@Asus:~/Mkstore > mkstore -createEntry encryptionkey hetpassword -wrl .
Enter password:
 
oracle@Asus:~/Mkstore > mkstore -viewEntry encryptionkey  -wrl .
Enter password:
 
encryptionkey = hetpassword
 

 
Now you have to device some mechanism to read the wallet value of encryptionkey. I don't think it's easy.  
 
Another, much simpler,  way is to store the passwords in a table and encrypt the column with TDE (Transparant Data Encryption). The encrypted column can only be read when the DBA has enabled the wallet. For more information see http://www.oracle.com/technology/pub/articles/10gdba/nanda_10gr2dba_part 1.html
 
Ivan
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Pete Finnigan
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Re: Read the value from Oracle Wallet
« Reply #2 on: Jan 4th, 2006, 9:47am »		 Quote | Modify
isaez,
 
Thanks for you comments.
 
i tried this option.  
 
But to retrive the same from pl/sql is there any option available?
 
I haven't find any api like that. that y i raised the quiestion.
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