Go And ChaCha

The demo of the code we will show is here.

So what encryption method is your browser using just now? AES? Well, there’s a good chance that it is ChaCha, and it is kinda taking over as a preferred method for symmetric key encryption within TLS connections. Why? Well, it’s much faster than AES. It is also well suited to IoT devices. And, well … it isn’t AES!

Google worry that AES has a virtual monopoly on secret key encryption, so what would happen it is was cracked? They thus, in an RFC, proposed the usage of a stream cipher known as ChaCha20:

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