Streaming symmetric encryption. Unauthenticated! Extension to libsodium
var csx = require('crypto-stream-xor')In libsodium style this module has a "high-level" API that where an algorithm
with good properties has been picked for you. However, if you need a specific
PRF you can also access the specific algorithm
(xsalsa20, chacha20, xchacha20).
npm install crypto-stream-xor