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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: 42965
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
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
It's not a secret anymore!