Stunnix Perl-Obfus

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Stunnix Perl-Obfus is the obfuscator for Perl source code.






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Stunnix Perl-Obfus is the obfuscator for Perl source code.

The current trend in the application and web development industry is switching from compiled languages like C/C++ and Delphi to scripting languages like Perl, Javascript or VBScript. One of the main disadvantages of these languages for developers of commercial applications is great ease of studying, analysing and reuse of source code texts of the applications written in these programming languages by customers and competitors. For custom solutions the risk of losing control over intellectual property is even much higher since it's much more difficult to track violations of intellectual property in them due to the highly targeted or even exclusive distribution of such solutions or products - so in such cases violations of intellectual property can be in form of reuse of original source code even with arbitrary level of adaptation! Due to the ease of study and modification, it's extremely difficult to ensure licensing conditions of the code are met too - for example that the program is used only on the hosts it was licensed to, and only till the date it was licensed to run.

Stunnix Perl-obfus is the unique solution for this problem for code written in Perl programming language - it's the advanced and reliable obfuscator for Perl source code that has advanced support for adding extremely difficult to remove automatic checks of licensing conditions. It converts the perl source files (.pl and .pm) into highly mangled and obfuscated form, making it extermely difficult to study, analyse, reuse and re-work for competitors or customers, while fully retaining functionality of the original source code. By default since version 1.3 that highly mangled and obfuscated code is encoded afterwards to hide the structure of the program completely. Stunnix Perl-obfus is not a compiler to machine code - the obufscated form will still be the usual perl source code, thus it will work on all platforms the original source worked on. State of the art support for ensuring license conditions (lifetime expiration, several types of hostname checks, user-defined checks) is present in Stunnix Perl-Obfus since version 1.5.

Please note that tools that convert code into executables like PAR and PerlApp are not a solution to the code hiding, since all source code of the application gets written to some temporary directory once executable produced by these tools is run, allowing curious users to get to your code in couple of seconds. However, using these tools on the output of Stunnix Perl-Obfus is perfectly supported, for cases when standalone executable needs to be produced from code protected by Stunnix Perl-Obfus.

The obfuscation means:

· Replacing symbol names with non-meaningfull ones, e.g. replacing list_of_customers with zcadaa4fc81
· Replacing numeric constants with expressions, e.g. replacing 232 with (0x14b6+2119-0x1c15)
· Replacing charaters in strings with their hex escapes, e.g. turning string "cust" into "x63x75x73x74"
· Adding extra parenthesis around expressions
· Replacing strings with interpolated variables in them with the concatenation of the appropriate components
· Removing or obfuscation of comments
· Removing spaces and tabs in the lines of code
· Joining all lines in your code
· Encoding the result of previous stages

What's New in This Release:

· The Project Manager GUI has been made more beautiful.
Last updated on October 20th, 2010
Stunnix Perl-Obfus

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