├── .gitignore ├── LICENSE ├── README.md └── algorithms.py /.gitignore: -------------------------------------------------------------------------------- 1 | # Byte-compiled / optimized / DLL files 2 | __pycache__/ 3 | *.py[cod] 4 | *$py.class 5 | 6 | # C extensions 7 | *.so 8 | 9 | # Distribution / packaging 10 | .Python 11 | build/ 12 | develop-eggs/ 13 | dist/ 14 | downloads/ 15 | eggs/ 16 | .eggs/ 17 | lib/ 18 | lib64/ 19 | parts/ 20 | sdist/ 21 | var/ 22 | wheels/ 23 | pip-wheel-metadata/ 24 | share/python-wheels/ 25 | *.egg-info/ 26 | .installed.cfg 27 | *.egg 28 | MANIFEST 29 | 30 | # PyInstaller 31 | # Usually these files are written by a python script from a template 32 | # before PyInstaller builds the exe, so as to inject date/other infos into it. 33 | *.manifest 34 | *.spec 35 | 36 | # Installer logs 37 | pip-log.txt 38 | pip-delete-this-directory.txt 39 | 40 | # Unit test / coverage reports 41 | htmlcov/ 42 | .tox/ 43 | .nox/ 44 | .coverage 45 | .coverage.* 46 | .cache 47 | nosetests.xml 48 | coverage.xml 49 | *.cover 50 | *.py,cover 51 | .hypothesis/ 52 | .pytest_cache/ 53 | 54 | # Translations 55 | *.mo 56 | *.pot 57 | 58 | # Django stuff: 59 | *.log 60 | local_settings.py 61 | db.sqlite3 62 | db.sqlite3-journal 63 | 64 | # Flask stuff: 65 | instance/ 66 | .webassets-cache 67 | 68 | # Scrapy stuff: 69 | .scrapy 70 | 71 | # Sphinx documentation 72 | docs/_build/ 73 | 74 | # PyBuilder 75 | target/ 76 | 77 | # Jupyter Notebook 78 | .ipynb_checkpoints 79 | 80 | # IPython 81 | profile_default/ 82 | ipython_config.py 83 | 84 | # pyenv 85 | .python-version 86 | 87 | # pipenv 88 | # According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control. 89 | # However, in case of collaboration, if having platform-specific dependencies or dependencies 90 | # having no cross-platform support, pipenv may install dependencies that don't work, or not 91 | # install all needed dependencies. 92 | #Pipfile.lock 93 | 94 | # PEP 582; used by e.g. github.com/David-OConnor/pyflow 95 | __pypackages__/ 96 | 97 | # Celery stuff 98 | celerybeat-schedule 99 | celerybeat.pid 100 | 101 | # SageMath parsed files 102 | *.sage.py 103 | 104 | # Environments 105 | .env 106 | .venv 107 | env/ 108 | venv/ 109 | ENV/ 110 | env.bak/ 111 | venv.bak/ 112 | 113 | # Spyder project settings 114 | .spyderproject 115 | .spyproject 116 | 117 | # Rope project settings 118 | .ropeproject 119 | 120 | # mkdocs documentation 121 | /site 122 | 123 | # mypy 124 | .mypy_cache/ 125 | .dmypy.json 126 | dmypy.json 127 | 128 | # Pyre type checker 129 | .pyre/ 130 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2021 Jordan Kalebu 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # ascii-encryption-python 2 | Beginner guide to ascii based encryption implemented in Python 3 | 4 | Getting started 5 | ---------------- 6 | This is just a simple encryption algorithms that can be cool when it comes to understanding and exploring how does encryption works, but not seriously used to handle security on real life circumstances 7 | 8 | To get started with repo you might have to clone or download the repository just as shown below; 9 | 10 | ```bash 11 | 12 | git clone https://github.com/Kalebu/ascii-encryption-python 13 | 14 | ``` 15 | 16 | Basics 17 | ---------------- 18 | If you're new to ascii encryption, this simple involving converting the alphabetics to their ascii numerical value and using a secret number to add or substract from their real value and then turning back into characters as encrypted one. 19 | 20 | For instance 21 | 22 | ```bash 23 | 24 | Encrypting 25 | 26 | a - > 97 -> 97 (+|-) secret_number -> new characer 27 | 28 | Lets say our secret number is 5 29 | 30 | a -> 97 -> 97 + 5 -> f 31 | 32 | Decrypting 33 | 34 | To descrypt we need to know the secret number otherwise we wont be able to do it so 35 | 36 | f -> 102 -> 102 (+|-) secret number -> decrypted character 37 | 38 | Since we know the serect number is 5 39 | 40 | f -> 102 -> 102 - 5 > a 41 | 42 | ``` 43 | 44 | In this repository I have implemented two simple function just do that, which take a textual input of any size and then encrypt it using ascii value based on your secret number and then it will return back encrypted text. 45 | 46 | Samewise to decryption, you are going to specify the secret number and then it will recieve your encrypted text input and then render to you decrypted text output 47 | 48 | 49 | Demo 50 | ------------ 51 | 52 | ```python 53 | >>> from algorithms import encrypt , decrypt 54 | >>> army_text = "Throw the missiles at 9pm" 55 | >>> encrypt(army_text, key=10) 56 | '^r|y\x81*~ro*ws}}svo}*k~*Czw' 57 | >>> decrypt('^r|y\x81*~ro*ws}}svo}*k~*Czw', key=10) 58 | 'Throw the missiles at 9pm' 59 | ``` 60 | 61 | Explore it 62 | ----------- 63 | Now keep explore it by testing it with various input text to see how you can twist it to your own use 64 | 65 | Give it a star 66 | -------------- 67 | Did you find this information useful, then give it a star 68 | 69 | 70 | Credits 71 | ----------- 72 | All the credits to [kalebu](github.com/kalebu) -------------------------------------------------------------------------------- /algorithms.py: -------------------------------------------------------------------------------- 1 | # =============================================================== 2 | # ============ FUNCTION TO DO ASCII BASED ENCRYPTION =========== 3 | # ============ BASED ON A CERTAIN KEY =========== 4 | # ================================================================ 5 | 6 | 7 | def encrypt(text, key=0): 8 | if not isinstance(text, str): 9 | raise TypeError("{} should be a type string".format(text)) 10 | if not isinstance(key, int): 11 | raise TypeError("{} should be of type int".format(key)) 12 | return "".join([chr(ord(something) + key) for something in text]) 13 | 14 | 15 | # =================================================================== 16 | # ============= FUNCTION TO DO ASCII BASED DECRYPTION =============== 17 | # ============= BASED ON A CERTAIN KEY =============== 18 | # =================================================================== 19 | 20 | 21 | def decrypt(text, key=0): 22 | if not isinstance(text, str): 23 | raise TypeError("{} should be a type string".format(text)) 24 | if not isinstance(key, int): 25 | raise TypeError("{} should be of type int".format(key)) 26 | return "".join([chr(ord(something) - key) for something in text]) 27 | --------------------------------------------------------------------------------