https://github.com/link-wolf/ft_otp

Time-based One-Time Password generator
https://github.com/link-wolf/ft_otp

cybersecurity linux python python3

Last synced: about 1 month ago
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Time-based One-Time Password generator

• Host: GitHub
• URL: https://github.com/link-wolf/ft_otp
• Owner: Link-Wolf
• Created: 2023-09-14T13:04:37.000Z (almost 3 years ago)
• Default Branch: master
• Last Pushed: 2026-04-30T11:58:23.000Z (2 months ago)
• Last Synced: 2026-04-30T13:21:24.326Z (2 months ago)
• Topics: cybersecurity, linux, python, python3
• Language: Python
• Homepage:
• Size: 324 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          




 

 

 

 

 

 








  
ft_otp


  


   Nothing ever lasts forever...


    A TOTP (Time-based One-Time Password) generator

    


    


    Report Bug

    ·

    Request Feature

  



  Table of Contents

  


    


      Goal

    

    


      Getting Started

      


        
Prerequisites

        
Installation

      

    

    
Usage examples

    
Contributing

  


## Goal



  

	

  



This cybersecurity project aims to implement a TOTP (Time-based One-Time Password) system, which will be capable of generating ephemeral passwords from a master key based on the RFC 6238 standard.

The program has to allow the user to store a initial password in file, and that is capable of generating a new one time password every time it is requested.

> The program is written in Python3

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## Getting Started

### Prerequisites

-   [Python3](https://www.python.org/downloads/)

-   The following modules:

    -   qrcode

    -   rsa

    -   pillow

    -   tkinter

    -   python-tk

### Installation

1. Clone the repo

    ```sh

    $> git clone https://github.com/Link-Wolf/ft_otp.git

    ```

2. Launch the script

    ```sh

    $> cd ft_otp

    $> ft_otp [-h] (-g HEX FILE | -k KEY FILE | -i)

    ```

    > -h, --help : display help

    > -g HEX_FILE : generate a .key file from a 64 characters hexadecimal key

    > -k KEY_FILE : generate a 1 time password that expires after 30 secs from a .key file

    > -i, --interface : interface mode

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## Usage examples

#### Using in command line

![](assets/totp_terminal.png)

#### Using in interface mode

![](assets/totp_interface.png)

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## Contributing

If you have a suggestion that would make this better, please fork the repo and create a pull request. You can also simply open an issue with the tag "enhancement".

Don't forget to give the project a star! Thanks again!

1. Fork the Project

2. Create your Feature Branch (`git checkout -b feature/AmazingFeature`)

3. Commit your Changes (`git commit -m 'Add some AmazingFeature'`)

4. Push to the Branch (`git push origin feature/AmazingFeature`)

5. Open a Pull Request

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