pub fn mul(q: &mut [u8], n: &[u8], p: &[u8]) -> Result<()>Expand description
Derive DH shared secret.
Computes the shared secret q for our private key n and the
other parties public key p. Returns an error if q, n or p
are not CURVE448_SIZE bytes long, or if Curve448 is not
supported by Nettle (see IS_SUPPORTED).