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encryption using certificate

Rajit Patel

Joined: Aug 01, 2008
Posts: 9

I am new for security. I want to encrypt and decrypt sensitive information before storing in database using server certificate.

Right now i am encrypting and decrypting information using RSA algorithm and generating public and private key from KeyGenerator class..

But i dont know how to use certificate in code to encrypt and decrypt data. I have generated certificate using keytool.

if anybody can help me with code, then it will be great help for me.....

Thanks in andvance................
Ulf Dittmer

Joined: Mar 22, 2005
Posts: 42612
You don't need a certificate for en/decryption, you need just the key. The Java API for this is called JCE, and you can find more information about it, including links to code samples, at

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pavithra murthy
Ranch Hand

Joined: Feb 06, 2009
Posts: 56
you can make use of this command below . this requires itext.jar

I agree. Here's the link:
subject: encryption using certificate