Vigenere cracker

Description

TODO

Requirements

1. Python 3.7

2. pipenv (just run pip install pipenv)

How to run

1. pipenv install

2. pipenv run python ./main.py

3. open localhost:8080 on latest Google Chrome

4. Profit?

Ideas

• Cipher text will be broken when index of coincidence is close to 0.0686

• To identify false positives during the real bruteforce method, we can use occurances of the word THE in the plain text

Resources used

• English words
• Google 10000 most popular
• Vigener decrypt algorithm in Python
• Key length based on index of coincidence
• Inspiration for frequency score calculation
• Help in parallel processing
• Killing parallel processes