hi
        u want just disable re-engineering or to disable unauthorized copying??
Using obfuscators available in market you can make re-engineering difficult.
To disable unauthorized copying a combination of techniques can be used. One
such technique is to generate a key for each distribution and write a
separate
class loader to load and check this generated key in the main class if it is
tampered exit the program.
thanks
ramesh

-----Original Message-----
From: A mailing list for Enterprise JavaBeans development
[mailto:[EMAIL PROTECTED]]On Behalf Of Kesav, Ramesh
Sent: Monday, April 29, 2002 9:49 AM
To: [EMAIL PROTECTED]
Subject: prevent cracking my class files



Hi all,

   i have a product being developed for Chartered Accountants. It is a swing
application.Now i want to sell the product to various parties but i do not
want them to crack my class files.
I had 2 ideas
1) first i will convert these class files into executables but i heard that
javatoexe is not the appropriate one.
2) secondly i thought of writing this class files into a cd and somehow i
need to put a cd key in it.how to do this.

any other suggestions are mostly welcome.

Regards

Ramesh Kesavanarayanan
[EMAIL PROTECTED]

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