The module consists of two scripts.

1. decoder.py which verifies the signing keys and additional keys.
2. flask_app.py is a web host over decoder.py so requests can be sent for testing

Requirements

The code was tested on Python 3.8.10, but should be compatible with Python>=3.7.

To install required dependencies,

$ pip3 install requirements.txt

Additional Requirements for web host

The following dependencies needs to be installed only if flask app needs to be deployed.

$ pip3 install flask_requirements.txt