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Best way to protect my new commercial software.

sturlamolden sturlamolden at yahoo.no
Mon Dec 10 19:37:20 EST 2007 
On 10 Des, 08:15, farsheed <rodmena.... at gmail.com> wrote:
> I wrote a software and I want to protect it so can not be cracked
> easily. I wrote it in python and compile it using py2exe. what is the
> best way in your opinion?

I wrote this in another thread,

1. Put all the compiled Python bytecode in a heavily encrypted binary
file. Consider using a hardware hash in the key.

2. Program a small binary executable (.exe file) in C or C++ that:

   2a. Reads the binary file.

   2b. Decrypts it to conventional Python byte code.

   2c. Embeds a Python interpreter.

   2d. Executes the bytecode with the embedded Python interpreter.

3. Protect the executable with a licence manager such as Flexlm or
SoftwarePassport.

I will not make reverse engineering impossible, but it will be
extremely difficult.

As noted, the only completely safe solution is to provide a web
application instead of distributing your program.
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