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Groups > comp.lang.python > #90153

Re: Encrypt python files

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On 05/08/2015 06:59 AM, Denis McMahon wrote:
> On Wed, 06 May 2015 00:23:39 -0700, Palpandi wrote:
>
>> On Wednesday, May 6, 2015 at 12:07:13 PM UTC+5:30, Palpandi wrote:
>>> Hi,
>>>
>>> What are the ways to encrypt python files?
>>
>> No, I just want to hide the scripts from others.
>
> You can do that by deleting the scripts. Make sure you use a secure
> deletion tool.
>
> I'm not aware of any mechanism for encrypted executable python scripts.
> You can obfuscate the code, but you can't encrypt it because the python
> interpreter needs the script file to execute it.
>
> The same holds true for any mechanism designed to encrypt executable code
> regardless of whether it's script or compiled. At the lowest level the
> processor only understands the instruction set, and encrypted code has to
> be decrypted to execute.
>
> As the decryption method is always available to anyone who has legitimate
> access to execute the code, it's impossible to hide the code at that
> point.
>
> Example - if I give you an encrypted binary to run on your system, it
> either has to be unencryptable

It'd be clearer if you used  decryptable, since unencryptable has a very 
different meaning.

http://en.wiktionary.org/wiki/unencryptable


> using tools you already have, or using a
> built in unencrypter, both of which you have access to and can use to
> unencrypt the encrypted executable code.
>

likewise decrypter and decrypt.

-- 
DaveA

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Thread

Encrypt python files Palpandi <palpandi111@gmail.com> - 2015-05-05 23:37 -0700
  Re: Encrypt python files Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-05-06 16:47 +1000
  Re: Encrypt python files David Palao <dpalao.python@gmail.com> - 2015-05-06 08:49 +0200
  Re: Encrypt python files Palpandi <palpandi111@gmail.com> - 2015-05-06 00:23 -0700
    DRM is self-defeating (was: Encrypt python files) Ben Finney <ben+python@benfinney.id.au> - 2015-05-06 17:41 +1000
    Re: DRM is self-defeating (was: Encrypt python files) Chris Angelico <rosuav@gmail.com> - 2015-05-06 18:00 +1000
    Re: Encrypt python files Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-05-06 19:04 +1000
    Re: Encrypt python files Emile van Sebille <emile@fenx.com> - 2015-05-06 14:28 -0700
    Re: Encrypt python files Denis McMahon <denismfmcmahon@gmail.com> - 2015-05-08 10:59 +0000
      Re: Encrypt python files Dave Angel <davea@davea.name> - 2015-05-08 08:13 -0400
        (OT) Re: Encrypt python files Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2015-05-09 13:03 +1200
          Re: (OT) Re: Encrypt python files Chris Angelico <rosuav@gmail.com> - 2015-05-09 12:02 +1000
      Re: Encrypt python files BartC <bc@freeuk.com> - 2015-05-13 14:48 +0100
  Re: Encrypt python files Denis McMahon <denismfmcmahon@gmail.com> - 2015-05-08 10:51 +0000
  Re: Encrypt python files "M.-A. Lemburg" <mal@egenix.com> - 2015-05-13 15:11 +0200

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