Michael Robinton wrote:
see attached
[...]
BZS::License performs a similar load operation to BZS::Loader. First,
however it looks for a hash pointer in the caller program called $ptr2_License.
The hash contains the path to the License file and an optional 'private' key
list of modules
You are correct. If you...
use Hidden::Module
then use Data::Dumper to reconstruct most of the raw code. This would be
about as useful as decompiling 'B' code. If you had access to the
intrepreter directly, you could probably even capture the decrypt stream
before perl compiles it, but
see attached
=head1 NAME
BZS::License - Perl extension to examine a license file.
=head1 USEAGE
There are two modes of operation:
use BZS::License;1;
__END__
encrypted module here...
The calling routine should define an anonymous hash pointed to by the
Sheldahl/Lex/Lexmark)
Subject: Re: Hiding perl code
* Jonathon M. Robison ([EMAIL PROTECTED]) [22 Jul 2002 13:03]:
Anyone know offhand a good way to hide your perl code when using
mod_perl? Acme::Bleach isn't doing it - httpd is failing to start on
initial test [...]
Acme::Bleach is a source filter
-- [EMAIL PROTECTED] on 07/22/02 09:15:23 -0400
Thanks, Iain! This helps explain some problems I ran into when I tried to use
Switch. ;-) Wish the Switch docs included some caveats about using it with
mod_perl
Switch, Multifiles, Q::S, and A::B all have a Caveat Utilitor
note in them.
At my former employer's, we built an Enterprise Management System out of
mod_perl. He wants to distribute it to clients w/o risking theft of his
code.
--Jon R.
PGP Key fingerprint = 12 DA FC 06 AB 4C D6 A4 DE 03 E0 77 D6 DE E0 73
PGP public key available by fingering [EMAIL PROTECTED]
On Mon,
At my former employer's, we built an Enterprise Management System out of
mod_perl. He wants to distribute it to clients w/o risking theft of his
code.
If w/o risking theft means eliminating risk of theft, then he can't
do it. He can lower risk to some degree, but it can't be eliminated.
See
Hi!
On Sun, Jul 21, 2002 at 10:58:24PM -0400, Jonathon M. Robison wrote:
Anyone know offhand a good way to hide your perl code when using
mod_perl? Acme::Bleach isn't doing it - httpd is failing to start on
You could write an obfuscator. Maybe Acme::EyeDrop works?
See
Hi
( 02.07.22 10:15 -0400 ) Jon:
At my former employer's, we built an Enterprise Management System out of
mod_perl. He wants to distribute it to clients w/o risking theft of his
code.
Well, I'll save the intellectual property rant, but it's going to be
very difficult to do. Perl is set up
On Mon, 22 Jul 2002, Andreas J. Koenig wrote:
On Mon, 22 Jul 2002 13:10:25 +1000, Iain Truskett [EMAIL PROTECTED] said:
As far as I know, there's no good way to do it. It is Perl after all.
And with mod_perl things just get trickier.
Filter::decrypt does that. It's very hard to
On Mon, 22 Jul 2002 10:17:21 -0500 (CDT), Dave Rolsky [EMAIL PROTECTED] said:
use Filter::decrypt ;
ÿ £j¨tBÃavð@¥£hK6'{'ÂÃ^zÂ'
[]
Of course, perl itself (or mod_perl) sees the cleartext, so a good
hacker will find a way to break it.
perl -MO=Deparse
Jon,
I've been doing some thinking along these lines (for website security,
not for releasing code). I don't have a solution, but below are some
thoughts I've had. I would love to hear from anyone who knows solutions
for any of the points below. Most of the thoughts below are based on
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