Encrypting Credit Card Numbers - Two Way Encryption
Encrypting Credit Card Numbers - Two Way Encryption
- Subject: Encrypting Credit Card Numbers - Two Way Encryption
- From: "Jonathan Fleming" <email@hidden>
- Date: Thu, 20 May 2004 08:59:42 +0100
Hi Guys,
Quick one... what's the best system to use for 2-way encryption? I want to
encrypt credit card numbers in the database (MSSQLServer2000) and then
decrypt them when I need the app to pull them up in a query so I can see
them.
For my passwords I use Sun's one-way encryption algorithm:
MessageDigest messageDigest = MessageDigest.getInstance("SHA-1");
etc, etc but as I said I need a system that let's me decypt later when
needed.
Any examples or pointers welcome.
Thanks
Jonathan :^)
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