Python obfuscate string

Python obfuscate string

It achieves NON mapping of identifiers within your program to obfuscated identifiers. For example, not only is 'self' no longer 'self', but 'self' is generally replaced by a variety of different gibberish identifiers, without impairing program functionality.

Docstrings and comments are also removed. Python 2. Most standard library modules, specifically, about all that are: sufficiently cross-platform to be present in both Unix and Windows versions of typical builds of Python.

How to Obfuscate Code in Python: A Thought Experiment

Limits on handling of keyword arguments. Please paste your source code into the box below. Ditto for animal's shout method. Because a table of the main obfuscated identifiers is appended to the demo's output, you should remove that table before you use the obfuscated code!

I would appreciate your feedback about this online obfuscator. Perhaps you would even like to license a more complete version of my obfuscator toolkit? Click here for contact information. Please report any bugs! Technical Commentary Limits on handling of keyword arguments Correctly obfuscating python code that includes function or method calls with keyword arguments can have interesting complications. The full not free demo version of the obfuscator supports various options for correctly handling code that includes function or method calls with keyword arguments.

That full range of options is not included in this free web form demo version. If you make a function call with keyword arguments, the keyword argument names in the function call are presently left unobfuscated in this free demo version of the obfuscator.

You might wonder, why does this make some sense as a simple default behavior? News about this obfuscator demo April Significantly updated documentation and links.Released: Jan 4, OPY - Obfuscator for Python, string obfuscation added, keyword added.

View statistics for this project via Libraries. Tags opy. The famous Phaistos Disc from Crete, obfuscation unbroken after thousands of years. Opy will obfuscate your extensive, real world, multi module Python source code for free! And YOU choose per project what to obfuscate and what not, by editing the config file:. Bug reports and feature requests are most welcome and will be taken under serious consideration on a non-committal basis.

Licensed under the Apache License, Version 2. You may obtain a copy of the License at. See the License for the specific language governing permissions and limitations under the License. Jan 4, Dec 16, Aug 30, Jun 27, Apr 23, Apr 22, Feb 1, Jan 8, Jan 7, Dec 27, Nov 13, Aug 27, Jul 8, Jun 29, By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. I need to obfuscate lines of Unicode text to slow down those who may want to extract them. Ideally this would be done with a built in Python module or a small add-on library; the string length will be the same or less than the original; and the "unobfuscation" be as fast as possible. I have tried various character swaps and XOR routines, but they are slow.

Base64 and hex encoding increase the size considerably. To date the most efficient method I've found is compressing with zlib at the lowest setting 1. Is there a better way? Learn more. Python efficient obfuscation of string Ask Question. Asked 8 years, 7 months ago.

Active 8 years, 7 months ago. Viewed 9k times. Tim Tim 1 1 silver badge 9 9 bronze badges. Use a good, proven, widely-used encryption scheme.

python obfuscate string

Everything else is broken as soon as anyone competent gets an idea of what you're doing. Yes, it will take some time, but that's the price you have to pay if you want anything remotely decent. If the data isn't even important enough for that, just save yourself the hassle and send it as plain text.GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. If nothing happens, download GitHub Desktop and try again.

If nothing happens, download Xcode and try again. If nothing happens, download the GitHub extension for Visual Studio and try again. After doing the challenge, I read through the comments and found a very interesting submission.

What exactly does this script do? It takes your regular-looking Python code, and obfuscates it! It takes any specified Python script, and will attempt to create an equivalent script that has the same exact functionality as the original, but is incredibly difficult for humans to read regularly.

According to Wikipedia Programmers may deliberately obfuscate code to conceal its purpose security through obscurity or its logic or implicit values embedded in it, primarily, in order to prevent tampering, deter reverse engineering, or even as a puzzle or recreational challenge for someone reading the source code.

There are two ways the parser can encrypt strings. The first way is with hex strings, and the other using the number encoding method above. It's definitely not space-efficient, but it works! Skip to content. Dismiss Join GitHub today GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together.

Sign up. Transform regular Python code into a human-averse, yet still-functional equivalent. Python Branch: master.

Find file.

python obfuscate string

Sign in Sign up. Go back. Launching Xcode If nothing happens, download Xcode and try again. Latest commit Fetching latest commit…. You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window.GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together.

If nothing happens, download GitHub Desktop and try again. If nothing happens, download Xcode and try again.

If nothing happens, download the GitHub extension for Visual Studio and try again.

python obfuscate string

The famous Phaistos Disc from Crete, obfuscation unbroken after thousands of years. Opy will obfuscate your extensive, real world, multi module Python source code for free!

And YOU choose per project what to obfuscate and what not, by editing the config file:. Bug reports and feature requests are most welcome and will be taken under serious consideration on a non-committal basis. Skip to content. Dismiss Join GitHub today GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. Sign up. Obfuscator for Python. Python Branch: master.

Find file. Sign in Sign up. Go back. Launching Xcode If nothing happens, download Xcode and try again. Latest commit Fetching latest commit….

You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Dec 13, First commit.

How to effectively obfuscate your python code

Jan 13, Jan 4, A lot of the Python code you will come across is open source. The whole point is to distribute it freely, share knowledge and let people play around with it and learn from it. Sometimes, though, you might want to prevent the end-user from reading the code. Maybe you are selling commercial software or maybe you just want to share the solution to a tricky coding challenge with your friends without giving the game away.

One is obfuscation. I like a package called pyobfuscate.

It transforms your normal and clearly written right? Save the following code in example. It also appears to only work with Python 2 at the moment. Another, arguably easier, method is to just distribute the. The Python standard library includes a compileall module that can scan your source directory and compile all of your files into Python bytecode. Then you can distribute them without the source files. One problem with this method is that the initial. You can solve this problem by making a simple wrapper script that gives away no information about your program.

It seems to be broadly compatible with different libraries and different versions of Python. May 15, Iterates over tokenswhich must be an equivalent output to what tokenize. Inserts the given string after the next newline inside tokens starting at tokens[index]. Indents must be a list of indentation tokens that will preceeed the insert can be an empty list.

Subscribe to RSS

Given a list of tokens and an index representing the current positionreturns the token string if it is a class name that can be safely obfuscated. Given a list of tokens and an index representing the current positionreturns the token string if it is a function or method name that can be safely obfuscated.

Given a list of tokens and an index representing the current positionreturns the token string if it is a variable name that can be safely obfuscated.

python obfuscate string

Obfuscates tokens in-place. If not, a new instance of. If table is given should be a list containing a single dictionaryit will be used to perform lookups of replacements and any new replacements will be added to it. Also, replaces all of said builti-in functions in tokens with each respective obfuscated identifer.

If table is provided, replacements will be looked up there before generating a new unique name. If the token string a class inside tokens[index] matches replacereturn replacement. If the token string a function inside tokens[index] matches replacereturn replacement. Replaces the used methods of globally-imported modules with obfuscated equivalents.

Updates tokens in-place. If table is provided, replacements for import methods will be attempted to be looked up there before generating a new unique name. If the token string a unique value anywhere inside tokens[index] matches replacereturn replacement.

If the token string inside tokens[index] matches replacereturn replacement. A generator that returns short sequential combinations of lower and upper-case letters that will never repeat. When obfuscating a list of files, table is used to keep track of which obfuscatable identifiers are which inside each resulting file.

It must be an empty dictionary that will be populated like so:. Note: This gets reset to False if a comma or open paren are encountered.


replies on “Python obfuscate string”

Leave a Reply

Your email address will not be published. Required fields are marked *