Changed `encrypt` to use cacophony's ChaChaPoly1305 encryption. Note that this impl is broken as it always uses the same nonce (zero).
Changed `encrypt` to use cacophony's ChaChaPoly1305 encryption. Note that
this impl is broken as it always uses the same nonce (zero).

unisonweb/platform,unisonweb/platform,unisonweb/platform