End to End encrypted chat application

   End to End encrypted chat application - 18it024 Vedantsinh Dabhi -18IT054 Pranay Maheriya INTRODUCTION  End-to-end encrypted messaging means that the users within that specific chat can only read messages sent between two people. To enable this, the messages that are sent are encrypted before leaving a user's device, and can only be decrypted by the intended recipient (end-user). How does end to end encryption work? In the app, we used AES ( Advanced Encryption Standard ) It is  a symmetric  block   cipher   chosen by the U.S. government to protect classified information. AES is implemented in software and hardware throughout the world to  encrypt   sensitive data. It is essential for government computer security, cybersecurity, and electronic data protection. AES includes three block  ciphers : AES-128, AES-192 and AES-256. AES-128 uses a 128- bit  key length to encrypt and decrypt a block of messages, while AES-192 uses a 192-b...