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Decode-QrCode

This is used to decrypt a JWT token which is encoded in the form of QR code.

Algorithms Used

RS256

JWT

jwt.io

JSON Web Token (JWT) is an open standard (RFC 7519) that defines a compact and self-contained way for securely transmitting information between parties as a JSON object. This information can be verified and trusted because it is digitally signed.

Why JWT

JSON Web Tokens(JWT) for securely transmitting the information. This information can be verified and trusted because it is digitally signed using a public/private key pair.

Usage

This QrCode Decoder is only to decode the QRCode generated by Aarogya Setu app. The public key used to verify the signature of the JWT is available in decrypt_jwt.py

How to run

The following are the commands

git clone https://github.com/baskpann/Decode-QrCode.git
cd path_to/Decode-QrCode.git
pip install -r requirements.txt
python decode_webcam.py