Method CascadeExponentiate

src/cryptlib/integer.cpp:2227–2236

}

Integer ModularArithmetic::CascadeExponentiate(const Integer &x, const Integer &e1, const Integer &y, const Integer &e2) const
{
    if (modulus.IsOdd())
    {
        MontgomeryRepresentation dr(modulus);
        return dr.ConvertOut(dr.CascadeExponentiate(dr.ConvertIn(x), e1, dr.ConvertIn(y), e2));
    }
    else
        return AbstractRing<Integer>::CascadeExponentiate(x, e1, y, e2);
}

MontgomeryRepresentation::MontgomeryRepresentation(const Integer &m)    // modulus must be odd
    : ModularArithmetic(m),