Function crypto_box_detached 

pub fn crypto_box_detached(
    ciphertext: &mut [u8],
    mac: &mut Mac,
    message: &[u8],
    nonce: &Nonce,
    recipient_public_key: &PublicKey,
    sender_secret_key: &SecretKey,
) -> Result<(), Error>

Detached variant of crypto_box_easy.

Compatible with libsodium’s crypto_box_detached.

Errors

Returns an error if message is too long, recipient_public_key is unacceptable, or ciphertext is shorter than message.