private MAC(Scalar t, GroupElement v)
{
T = CryptoGuard.NotZero(nameof(t), t);
V = CryptoGuard.NotNullOrInfinity(nameof(v), v);
}
public CoordinatorParameters(GroupElement cw, GroupElement i)
{
Cw = CryptoGuard.NotNullOrInfinity(nameof(cw), cw);
I = CryptoGuard.NotNullOrInfinity(nameof(i), i);
}