How to Decrypt the certain information from XML

we have a requirement. I never implemented encrypt/decrypt mechanism in my carreer. out Partner have been sending the XML through XML. Now we decided to implement credit card info in our organization. Partner has decided to send the credit card info by encrypting it in the XML. our requirement is to decrypt the credit card info and store that in Oracle. Partner is also provided the decryption key.

here is the sample data


we are running IS 6.5 and windows 2000.

Please let me kow how to approach on this


There are many ways to encrypt and decrypt things. Your partner has used one of them and needs to supply the details of the algorithm. Someone who understands java-based cryptography can assist you with implementing the algorithm.

There are a couple of books referenced in this thread that might help.