Challenge-4 Reloaded

Level: 3

Description: Hope you solved challenge-4 and enjoyed it! This time too, we have the same vulnerability, just added some randomisation to make things a bit more difficult!

Points: 35

Documentation reference for libraries used:

1. gmpy2: https://gmpy2.readthedocs.io/en/latest/

2. pycrypto: https://www.dlitz.net/software/pycrypto/api/2.6/

3. pycrypto's PublicKey RSA module: https://www.dlitz.net/software/pycrypto/api/2.6/toc-Crypto.PublicKey.RSA-module.html