Chacha20.crypt
You're seeing just the function
crypt
, go back to Chacha20 module for more information.
Specs
crypt(binary(), key(), nonce(), non_neg_integer()) :: binary()
The crypt function suitable for a complete message.
This is a convenience wrapper when the full message is ready for processing.
The operations are symmetric, so if crypt(m,k,n) = c
, then crypt(c,k,n) = m