In the year 2016, the Whatsapp has delivered the quit to cease encryption technique to make certain the safeness of the despatched messages, pics, video and documents together with the group chats and Whatsapp calls. During the discharge of this option, Whatsapp Co-Founder announced that the crews had been experimenting that update for nearly two years and it would maintain the person’s data out of the attain of any cyber attackers and hackers.
The Signal Protocol is the cryptographic protocol used by the Whatsapp to provide cease to end encryption that turned into designed by Open Whisper Systems. This protocol offers authentication, confidentiality, forward and backward secrecy, integrity, message repudiation, and greater. It additionally supports the encryption for the organization chats. The group chat protocol integrates the multicast encryption and pair smart double ratchet.
Process of encryption
Encryption is the manner of converting the textual content messages into an encoded message in order that the supposed recipient can only get admission to that records.The encryption scheme includes plaintext, ciphertext and safety key. Generally, the supposed message is obvious text and the encrypted or encoded message is cipher text.
In the encryption procedure, the user furnished plain text is converted into cipher text, through using the security key and by implementing any of the encryption algorithms. There are two forms of encryption system available and they’re symmetric key and public key encryption. These two strategies range by way of the usage of keys in transmitter and receiver cease.
Encryption is used at the community for many long years in which the transmission of exclusive records occurred consisting of in authorities departments and militaries. In recent years, there are numerous numbers of facts were transmitted over a network and that statistics must be encrypted to guard the records from eavesdropping.