dstr_ensure(&dz, X448_OUTSZ); dz.len = X448_OUTSZ;
x448((octet *)dz.buf,
(const octet *)dv[0].buf,
(const octet *)dv[1].buf);
dstr_ensure(&dz, X448_OUTSZ); dz.len = X448_OUTSZ;
x448((octet *)dz.buf,
(const octet *)dv[0].buf,
(const octet *)dv[1].buf);