gibberish

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Published: Jun 12, 2021 License: MIT Imports: 10 Imported by: 0

README

Gibberish username detector

Overview

gibberish is a simple program to differentiate between genuine looking and gibberish usernames. It uses a 2nd order markov chain.

Usage

> go build -o gibberish .
> ./gibberish -train
> ./gibberish -u jack.reacher
Score: 0.184727 | Gibberish: false
> ./gibberish -u fgsdgtqh
Score: -0.739162 | Gibberish: true

Explanation

The markov chain trains on a big set of geniune usernames (usernames.txt) and records the character transition probabilities. We then calculate the transition probability scores of a set of genuine looking and gibberish usernames (train.txt) and the extract the mean and standard deviation of the scores. We do this to get the z-score of a username's transition probaility score which helps in comparing with the results of the training dataset. A negative z-score indicates a gibberish username and positive one indicates a genuine one.

Documentation

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