For those who don't know, ChaCha20, a descendant of Salsa20, has become one of the most common OpenSSL ciphers over the last few years. When I ssh to my servers, it uses ChaCha20 by default.
And most of you probably know this, but just in case you don't: the author of this paper, djb, is one of the most competent and trusted cryptographers ever.
And most of you probably know this, but just in case you don't: the author of this paper, djb, is one of the most competent and trusted cryptographers ever.