Function ring::aead::chacha20_poly1305::chacha20_poly1305_seal

fn chacha20_poly1305_seal(
    key: &KeyInner,
    nonce: Nonce,
    aad: Aad<&[u8]>,
    in_out: &mut [u8],
    cpu_features: Features,
) -> Result<Tag, Unspecified>