https://github.com/tillstuder/secure-communication

🔐 Secure P2P communication with diffie-hellman key exchange and multiple cyphers.
https://github.com/tillstuder/secure-communication

algorithm cypher decryption diffie-hellman encryption micropython p2p python secure

Last synced: 3 months ago
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🔐 Secure P2P communication with diffie-hellman key exchange and multiple cyphers.

• Host: GitHub
• URL: https://github.com/tillstuder/secure-communication
• Owner: tillstuder
• License: gpl-3.0
• Created: 2020-08-22T14:30:11.000Z (over 4 years ago)
• Default Branch: master
• Last Pushed: 2020-11-14T12:34:50.000Z (about 4 years ago)
• Last Synced: 2023-08-19T12:42:17.938Z (over 1 year ago)
• Topics: algorithm, cypher, decryption, diffie-hellman, encryption, micropython, p2p, python, secure
• Language: Python
• Homepage:
• Size: 69.3 KB
• Stars: 1
• Watchers: 1
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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# secure-communication

Secure P2P communication, via public key exchange and multiple cyphers.

## Background

This project is our [BMA](https://www.bms-zuerich.ch/schule/aktivitaeten/berufsmaturitaetsarbeiten) and a collaboartion betwean [andrashorber](https://github.com/andrashorber) and [me](https://github.com/tillstud).

The program is executed on the pocket calculators that we already need for class at our School, the TI-Nspire CX CAS.

The programming language we will use is what the TI-Nspire supports, i.e. `python 3.4.0`.

# Installation

1. clone the repo

2. install dependencies

`pip install -r requirements.txt`

## For development

1. create a virtual environment

`python -m venv .venv`

2. activate the virtual environment

- Windows: `.venv\Scripts\activate`

- Linux: `source ./.venv/bin/activate`

> To deactivate the venv type `deactivate`

3. update pip

`python -m pip install --upgrade pip`

4. install the dev dependencies

`pip install -r requirements-dev.txt`

5. add the env variables to your environment

`export $(xargs < .env)`

### Optional

1. Use [pyenv](https://github.com/pyenv/pyenv) to manage your python versions

# Help

If you can't install Python version 3.4.0 you probably need to install a older version of libssl.

This isssue is currently tracked in [here](https://github.com/pyenv/pyenv/issues/945).

# Known Issues

- Because this is a `MicroPython` implementation, it doesn't have a true source of random, like `random.SystemRandom()`.