At a stretch you could call this "obfuscation" but I'd say it's just a simple form of encoding (not encryption). This option is, required when handling multiple files. Python Obfuscator with all version support, uses bytecode. Here, we are choosing the 1,989th review: To examine the review sentences, we can pass the name of the review to the .sents() method, which outputs a list of all review sentences: Check out our hands-on, practical guide to learning Git, with best-practices, industry-accepted standards, and included cheat sheet. ThunderboltDev/Python-AES-256-Bit-Obfuscator - GitHub source, Status: Upon passing the date, it will no longer run the program and throws a license expiry error. Most text editors/IDEs will have a hard time with code generated using the For instance, "Alice" is a proper noun, so it stays the same, and the verbs "thinks" and "starts" are referenced in their base forms of "think" and "start". Note: For further reference on how lemmatization works in TextBlob, you can take a peek at the documentation. Here is ready to use python wrapper using fernet (and above code). Put all args we get to the content, and keep those unknown args in original place. That way even if someone got hold of the script, they wouldn't automatically get the password. Donate today! ROT13 is just too easy to decode manually, isn't case sensitive and retains too much meaning in it's encrypted state. from textblob import Word . which producted a 640 byte file. # First, now we define rules: replace chars groups. However, the challenge will be to come up with your own ideas. It tells Once again, you can execute it directly in the command line or in a notebook by preceding it with an exclamation mark. Is it sensible to input user names and passwords as command line arguments to python script in task scheduler? So lets pretend for a moment that your intentions are not pure; that you various output options well need to perform the same test we performed above Another way to make code unintelligible is to find hardcoded strings like utf8 in our example and add an unnecessary layer of abstraction to them: Here, weve constructed the string utf8 from its ordinal values. Latest version Released: Feb 21, 2021 Project description Python-Obfuscator One night I got bored of writing good code, so I made good code to make bad code. I believe the module can be obtained here: http://timgolden.me.uk/pywin32-docs/win32crypt.html, You could also consider the possibility of storing the password outside the script, and supplying it at runtime. This means lemmatization occurs at a word level, which also implies that it can be applied to a word, a sentence, or a full text. Feb 21, 2021 # Created by pyminifier.py (https://github.com/liftoff/pyminifier), 'eJx1kcFOwzAMhu95ClMO66apu0/KAQEbE5eJC+IUpa27haVJ5Ljb+vakLYJx4JAoiT/7/+3c3626SKvSuBW6M4Sej96Jq9y1wRM/E3kSexnIOBZObrSNKI7Sl59YsWDq1wLMiEKNrenoYCqB1woDwzXF9nn2rskZd1jDh+9mhOD8DVvAQ8WdtrZfwg74aNwp7ZpnMXHUaltk878ybR/ZNKbSjP8JPWk6wdn72ntodQ8lQucIrdGlxaHgq3QgKqtjhCY/zlN6jQ0oZZxhpfKItlkuNB3icrE4XYbDwEBICRP6NjG1rri3YyzK356CtsGwZuNd/o0kYitvrBd18qgmj3kcwoTckYPtJPAyCVzSKPCMNErs85+rMINdp1tUSspMqVYbp1Q2DWKTJpcGURRDr9DIJs8wJFlKq+qzZRaQ4lAnVRuJgjFynj36Ol7SX/iQXr8ANfezCw==', , , , , , , , , # Created by pyminifier (https://github.com/liftoff/pyminifier), http://legacy.python.org/dev/peps/pep-0441/, pyminifier - Minify, obfuscate, and compress Python code. Now, we have a list of characters as numbers. base64 is the way to go for your simple needs. Cassia is passionate about transformative processes in data, technology and life. Why the heck would you ever want to use such a strange method of compressing Let's quickly modify our for loop to look at these differences: When looking at the above output, we can see how stemming can be problematic. I am not sure if there is an equivalent implementation for other platforms, so with the strict use of win32crypt your code is not portable. Add a description, image, and links to the Just remember that the users running this file will have at least read access to it and can easily grab the passwords. Lilypond (v2.24) macro delivers unexpected results. Then, he earned a master's in Computer Science and Engineering. I got tired of writing good code so I made good code to make bad code, obfuscate a batch file with this simple to use python script. NLTK is a traditional package used for text processing or Natural Language Processing (NLP), and Pattern is built mainly for web mining. Python 3.x source code obfuscator for hiding and protecting production code. Of course, there are other things you could try. 2. Jeremy grew up in a small town where he enjoyed playing soccer and video games, practicing taekwondo, and trading Pokmon cards. Build your own custom obfuscated python code from a list of obfuscators! After college, he spent about two years writing software for a major engineering company. And upon running the above line, we get the output based on our utils.py files configuration. It's about, I didn't know you could do this instead of having to use the base64 module. For our implementation, I will be using the utils.py with inference function definition and will be encrypting it later. Place this key in a separate file per environment, and don't store it with your code. Then, I constructed a list from the characters in that new string. Developed and maintained by the Python community, for the Python community. Text Obfuscator. It allows storage and retrieval of protected data (keys, passwords) by the user that is running the script, thus passwords are never stored in clear text or obfuscated format in your code. Naturally, I thought that would be a fun topic. In other words, u corresponds to 117, t corresponds to 116, f corresponds to 102, and 8 corresponds to 56. In other words, lets try doing something with it: Now, there is something beautiful about the expression LdDG0v51X42t%2!=0. There are clear differences between lemmatization and stemming. Then, on the dead branch, we return some generic value. TextBlob objects need to be created from strings. Again, this function is still fairly manageable, so it wouldnt be too hard to figure out what it does. Today, he pursues a PhD in Engineering Education in order to ultimately land a teaching gig. In the last scenario, suppose you are working on a word search followed by a retrieved document text comparison, what will you use? The necessary keys for decrypting the utils.py at run-time is taken care of by pyarmor and it's present in the pytransform folder, thus making our code completely non-readable to other's eyes. Some features may not work without JavaScript. For instance, I constructed a substring and repeated it. How to hide username/password in Python codes? That said, I suspect that the variable names will obscure the intent for a little while. In addition, I thought about making some methods just to pollute the namespace a little bit. The tumult.py Remember that. But if you wish to modify the original utils.py code, then you have to start from step 1 and follow the same steps to do so. No spam ever. globals Unlike most articles in this series, Im not looking for a quick answer to code obfuscationthe process of making code unreadable. that: Pyminifier can also work on a whole directory of Python scripts: Lets see what we get using some other compression options: To self: Wow, bzip2 kinda sucks in comparsion. Python - hiding characters while typing a password. Some features may not work without JavaScript. This makes it That aside, my point was that there's a mathematical basis for thinking that it's difficult (or impossible) to decrypt. BTW: What happens if we remove that docstring? Are all constructible from below sets parameter free definable? It cant be that much better, right? tumult.py - Because everyone needs a little chaos every now and again. totally want to mess with the people that look at your minified code. I had seen obfuscated code in the past, and I thought it would be fun to give it a try myself. Python efficient obfuscation of string. If the code is in a repository, it is often useful to store secrets outside it, so one could add this to ~/.bashrc (or to a vault, or a launch script, ). First of all, it's necessary to establish a TextBlob object and define a sample corpus that will be lemmatized later. How could I securely embed a required password into source code? Donate today! textobfuscator PyPI If the argument provided is of type string, only the existing dict items with keys matching the string will be obfuscated. Consider sponsoring me here Installing pip install python-obfuscator Quickstart Print out obfuscated code pyobfuscate -i your_file.py Apply changes to the input file This is because Python Enjoy How to Python! Rename symbol names, includes variables, functions, classes, arguments, class private methods. Do you have any examples? all systems operational. I have got a python script which is creating an ODBC connection. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. A Python script to obfuscate and protect your code by renaming classes, functions, variables and remove comments and docstrings. This doesn't precisely answer your question, but it's related. it's obfuscation at best. Now we will encrypt it, by running the following 2 commands. "PyPI", "Python Package Index", and the blocks logos are registered trademarks of the Python Software Foundation. Find centralized, trusted content and collaborate around the technologies you use most. If you want to really protect and sell your code, consider adding an actual license with an embedded virtual date on it. overstood: which library would you suggest if you are given arbitrary ten-chars' ASCII passwords every week and you would not like to carry them on paper, instead use some sort of encryption and a secret key? Is it possible to design a compact antenna for detecting the presence of 50 Hz mains voltage at very short range? Once the installation is complete, you can import the library into your Python notebook or script. This is of course due to the original size of our test script. Rename symbol names, includes variables, functions, classes, arguments, really hard to figure out things like indentation levels and whatnot! This format is for more information on how python3 handles bytes (and strings accordingly) please see the official documentation. Yes, that code actually works but only using Python 3. Also, this implementation can be done in both Windows and Ubuntu-based OS. Split content into segments by every args position. Since peekaboo.pyc is byte compiled it is not readable to the casual user. Simple NLP in Python with TextBlob: Pluralization and Singularization, Simple NLP in Python With TextBlob: Tokenization, Simple NLP in Python with TextBlob: N-Grams Detection, Sentiment Analysis in Python With TextBlob, Spelling Correction in Python with TextBlob, # Word tokenization of the sentence corpus, # joining each sentence with a new line between them, and a space between each word, "Python for NLP: Introduction to the TextBlob Library", Simple NLP in Python with TextBlob: Tokenization, Sentiment Analysis in Python with TextBlob, Python for NLP: Parts of Speech Tagging and Named Entity Recognition, Difference Between Lemmatization and Stemming, Input (corpus): Alice thinks she is lost, but then starts to find herself, Output (lemmas): | Alice | think | she | is | lost | but | then | start | to | find | herself |. To add a bit of chaos, I thought it would be fun to insert a whitespace character: Then, we can call the strip method to remove that extra space. What other ways can we obfuscate Python code? For example, we could try using the function name repeatedly with slight alterations (e.g. Is there an easy way to obscure this password in the file (just that nobody can read the password when I'm editing the file) ? By no means am I an expert, but Im familiar with the idea. You probably won't notice significant changes with lemmatization unless you're working with large amounts of text. pyminifier - Minify, obfuscate, and compress Python code This reduced the size of tumult.py from 1358 bytes to 640 bytes. If someone has both the token and the key (as they would if they have the script), they can decrypt easily. There are several ROT13 utilities written in Python on the 'Net -- just google for them. Lets do Since this code is running in a Jupyter Notebook, we can directly execute: This will return a list of 2,000 text file names containing negative and positive reviews: Note: If you are running the code in another way, for instance, in a terminal or IDE, you can print the response by executing print(movie_reviews.fileids()). --destdir option. Why not ask the user for their credentials the first time you run then squirrel them away encrypted for subsequent runs? Lets reverse the list just to add a bit of entropy to the system: How about that? Unfortunately, its sort of obvious. The Renegade Coder is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. In other words, instead of returning a simple junk value, we could construct a complex junk value: Honestly, I could have put anything in the dead block. 3 supports coding in languages that use non-latin character sets. Suppose a string is a number system where each thing, it can be a char, DEL or any ASCII thing, has a corresponding number according to this ASCII table. 1 Problem Description 2 Solutions 2.1 Obfuscate Code by Removing Comments 2.2 Obfuscate Code by Removing Type Hints 2.3 Obfuscate Code by Removing Whitespace 2.4 Obfuscate Code by Abandoning Naming Conventions 2.5 Obfuscate Code by Manipulating Strings 2.6 Obfuscate Code by Manipulating Numbers 2.7 Obfuscate Code by Introducing Dead Code A Python script to obfuscate and protect your code through anti debuggers, junk code and custom encryption. I can't find any information on the --password-from-file option. Of course, the casual reader doesnt know that. python-obfuscator EDIT: I should specify that what I described was public key encryption. Installation pip install -U textobfuscator Usage import random from textobfuscator.obfuscator import TextObfuscator # 1. Very nice answer - thank you. # We break the word `hello` twice, and put `*` into the middle, like `h*el*lo`, # We break the word `world` once, and put `-` into the middle, like `wor-ld`. Typically, in this section, I would list off all the solutions. Sep 12, 2022 ", The Foo class is an abstract flabbergaster that when instantiated, represents a discrete dextrogyratory inversion of a cattywompus, The initialization vector whereby the ineffiably obstreperous, # TODO. Here's a great blog post on using PyCrypto to implement password based AES encryption: one time pad does not fit your definition of real encryption, yet it certainly is. Why not remove those type hints? rev2023.6.2.43474. I dont expect any of these methods to be all that practical. More homegrown appraoch rather than converting authentication / passwords / username to encrytpted details. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. As a result, it might be worthwhile to introduce even more complexity: Instead of direct concatenation, weve introduced the join method. Is it related to set UID bits? If we were particularly sinister, wed generate long sequences of text for each name, so its even more difficult to understand: Hell, I might even use a single random string of characters and only modify bits of it. Create executable Python file but not readable. That said, there were a few things I considered trying. In python, you can obfuscate your code using a command line tool known as pyarmor. GitHub - d4em0n/nostr: Python String Obfuscator Unsubscribe at any time. It'll take an admin to restart your app, but you will have really good pretection for your configuration passwords. Developed and maintained by the Python community, for the Python community. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. code to stdout: The tumult.py script is 1358 bytes. Asking for help, clarification, or responding to other answers. In addition, you can find some of the snippets in a Jupyter notebook format on GitHub. FTPLIB is just the example. If you want to keep data safe, find a library that does it for you. executable to your $PATH. Python ints get automatically promoted to Python longs. You can even set up a provision to email automatically once the license is expired and you can get in touch with your clients using the SMTP services in python. Oxyry Python Obfuscator - The most reliable python obfuscator in the world Your operating system probably provides facilities for encrypting data securely. getCredentials will create the encrypted file if it does not exist and return a dictionaty, and updateCredential will update. Uploaded Dont be afraid to take what you need! Why is Bb8 better than Bc7 in this position? I am reluctant to use a module that is not maintained, and I get errors when I try to use it as instructed: The first part of this answer about retrieving the password from an environment variable is good enough for most situations, including command-line tool and Jenkins server job. and right-to-left characters. considered private and will be renamed. Now we let start the free methods for obfuscate. "PyPI", . python-obfuscator This is merely the beginning. what do you mean by xor? This file would only need editing when the credentials change. Not the answer you're looking for? Uploaded For the small scripts I'm writing (which are maintenance scripts anyway - the BASE64 encoding will suffice). Finding the inverse of Bob's encryption function requires knowing the two original prime numbers (encryption does not). Most encryption is based on prime factorization. As a result, the code is still fairly readable. Actually, I think that's normal. By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. I was going to add as a comment but wasn't allowed. How can you convert arbitrary string of the property to number in Python? To address the above issues, I will be demonstrating a simple function with the above capabilities. For example, let's try to obtain the lemmas for a movie review that is in the corpus. Jan 29, 2021 -- Photo by John Salvino on Unsplash For the purpose of obfuscation, we will be using a python package called pyarmor. Please try enabling it if you encounter problems. In that case, lemmatization helps reduce the size of words we might be searching for while trying to preserve their context in the sentence. Rather, I thought this would be a fun exercise where we could all learn something. You can also exclude certain techniques applied for obfuscation. To lemmatize the entire review, we only need to modify the .join(). Obfuscate your message with Text Obfuscator. One surefire way to make code hard to read is to begin by avoiding best practices. Trying to encrypt string to ASCII. For the .pyz comparison well need to add up the total sum of pyminifier.py Site map. This additional complexity is still pretty easy to map. The sizes used here were Living room light switches do not work during warm/hot weather. class private methods. Also, in case you don't have any textual information at hand, TextBlob provides the necessary collections of language data (usually texts), called corpora, from the NLTK database. A simple string obfuscator for obfuscating strings inside nested dicts. Python code? This gives us a list containing Word objects that behave very similarly to string objects: The output commands should give you the following: To lemmatize the words, we can just use the .lemmatize() method: This gives us a lemmatized WordList object: Since this might be a little difficult to read, we can do a loop and print each word before and after lemmatization: Notice how "pulls" changed to "pull"; the other words, besides "it's," were also lemmatized as expected. Download the file for your platform. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. At any rate, lets have some fun with it: Yep, thats an infinite loop! Before going deeper into the field of NLP, you should be able to recognize some key terms: Corpus (or corpora in plural) - is a specific collection of language data (e.g., texts). within different scopes. Python String to ASCII and back. After installing TextBlob, in order to have text examples, you can download the corpora by executing the python -m textblob.download_corpora command. For instance, on Windows there is DPAPI (data protection API). Remember, the more code there is the more space will be saved. The opposite of space savings! Minifying by itself can reduce code size considerably but pyminifier can go Does the policy change for AI-generated content affect users who (want to) Securely storing passwords for use in python script. Implementing this correctly is VERY difficult. In particular, well be taking the original solution and gradually manipulating it throughout this article. After all, its a short snippet that performs a simple function: reads a file and dumps the results as a list of lines. please include a link or sample code to make this answer more useful, Hiding a password in a python script (insecure obfuscation only). names of things like variables and functions to the smallest possible size: Thats all fine and good but pyminifier can go the extra mile and also Instead, it will be an addition to all previous solutions. When you install pyminifier it should automatically add a pyminifier If thins can only be read by you and you are worried about people seeing it over your shoulder go for it, but be warned while the average observer can't memorize things fast enough to grab a password, anyone with access to the script and a small bit of technical know-how and a small amount of ambition will be able to grab your passwords. It is a tool used to obfuscate python scripts, bind obfuscated scripts to fixed machine or expire. pip install python-obfuscator We might sometimes face a situation where we need to provide code directly to a client for obvious reasons, but by doing so, we will lose control of the code. I need to securely store a username and password in Python, what are my options? Query this info in your code using an key. Defaults to. pyminifier will automatically find locally-imported modules and include them in --nonlatin option because it will be a random mix of left-to-right As a result, treat this like a fun thought experiment. @luke I really doubt they were talking about those kind of quotes as it makes no sense having those quote there. For the purpose of obfuscation, we will be using a python package called pyarmor. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. It also allows different users to automatically pick up their own own file. What happens if a manifested instant gets blinked? How much of the power drawn by a chip turns into heat? But doesn't help the fact that the script must be readable by the user running it and the password must not. It obfuscates your code and prevents easy access of others to your code. To do that, well need some piece of nicely formatted source code: Cool! For more TextBlob content, check out our Simple NLP in Python with TextBlob: Tokenization, Simple NLP in Python with TextBlob: N-Grams Detection, and Sentiment Analysis in Python with TextBlob guides. Asking for help, clarification, or responding to other answers. Python File Compressor (Makes .py files WAY smaller size) Similar to Pyminifier, uses bytecode and zlib. Now, we have even more code we can begin modifying. A vainglorious implementation of bedizenment. If you know of any other tools or cool techniques, feel free to share them in the comments. If __all__ is not defined, the set of private names includes all names The ODBC connection is generated with a connection string. Create a python module - let's call it peekaboo.py. How to use Likewise, compiling and decompiling this function (i.e. If you're not sure which to choose, learn more about installing packages. Obfuscating Strings with ASCII and base 128, Building a safer community: Announcing our new Code of Conduct, Balancing a PhD program with a startup career (Ep. What do the characters on this CCTV lens mean? Download the file for your platform. That said, the removal of the comment does make it slightly harder to see exactly what this method accomplishes. All rights reserved. When I plug our function into it, it generates the following code: Clearly, thats not great, but I suppose its effective. SnakeMD has finally matured to a proper library. Here, we are omitting some parts with an ellipsis () since the review is large, but you will be able to see it in its integral form. Description This module provides easy, out-of-the-box obfuscation solution for Python dicts. Calculating distance of the frost- and ice line. code is simply too small for the .pyz container format to be effective. In order to properly compare the Can you identify this fighter from the silhouette? Finding these numbers is a very computationally expensive task, so the encrypted data is 'safe'. So instead of trying to Encode ASCII text. locals, How to Obfuscate a Bash Script to Make It Unreadable This module was tested in Python 3.7, 3.8.5, 3.9. :). As a result, heres the original snippet and the final snippet for comparison: At this point, I suppose we could continue to iterate, but Im not sure that would be the best use of my time. For anyone else who cares: If a script has a setuid bit set the OS will. This still has some shortcomings, but it's actually very close to what I want. Obviously, there are some shortcomings to this approach. Using List elelments as authetntication details. Does the grammatical context of 1 Chronicles 29:10 allow for it to be declaring that God is our Father? Remove documentation strings. By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. Thanks! For instance, the package is applicable for both Python 2 and 3 (Python >= 2.7 or >= 3.5). If you are not familiar with Part of Speech tagging (POS-tagging), check our Python for NLP: Parts of Speech Tagging and Named Entity Recognition guide. Keep in mind that Im not an expert at this. For example, we have a few bits of syntax which help people track variable types throughout the code. Base64 encoding is in the standard library and will do to stop shoulder surfers: This should be a bit more secure than base64 decoding - although it is vulnerable to a py_to_pyc decompiler. (adsbygoogle = window.adsbygoogle || []).push({}); (adsbygoogle = window.adsbygoogle || []).push({}); Obfuscate Code by Abandoning Naming Conventions, link to How to Version Your Python Projects for Pip, the different ways you can support the site, Violent Python: A Cookbook for Hackers, Forensic Analysts, Penetration Testers and Security Engineers, Black Hat Python: Python Programming for Hackers and Pentesters, How to Compare Strings in Python: Equality and Identity, How to Perform a Reverse Dictionary Lookup in Python: Generator Expressions and More, Python Code Snippets for Everyday Problems, Remove comments, type hints, and whitespace. Occasionally, therell be some just-for-fun solutions too. Right now, new subscribers will receive a copy of my Python 3 Beginner Cheat Sheet. As a result, we can add a silly case where we check if the string has a length greater than -1which is always true. For passwords that the user of the script isn't allowed to know - you can run the script with elavated permission and have the password file owned by that root/admin user. A tag already exists with the provided branch name. We have also seen how lemmatization is different from stemming, another technique for reducing words that doesn't preserve their context. For instance, if you want to look at the definition for the verb "runs", you would search for "run".