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encryption

 
Peiyoon Loh
Greenhorn
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dear sir,
i am having some problem in doing encryption is there any sample that i can refers and start on encryption and decryption.
i am doing a card management system,user can create no of card that they like,then those cardno i wil be encrypted with a key and later when the administrator need to view the cardno they can decrypt it by using the private and pubic key.
please advice me on encrytion and decryption. thanks
peiyoon
 
Cindy Glass
"The Hood"
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Doco on Encryption: http://developer.java.sun.com/developer/technicalArticles/Security/JCE/
FAQ for the JCE: http://java.sun.com/products/jce/jce121_faq.html

A tutorial on the security API: http://java.sun.com/docs/books/tutorial/security1.2/summary/apisum.html
 
It is sorta covered in the JavaRanch Style Guide.
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