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Can you post a small program that does only that to work on to solve that problem without the rest of the code?

You should change your debug printouts. These don't give any useful information:...

What is the length of the byte array that is passed to the doFinal method()?
Why isn't it a multiple of 8?

Please copy and paste here the full text of your error messages.
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Your code is using a lot of third party classes. There is no way we can help you use them.
If we were to help, You need to provide us with the import statements you use to compile your program and...