Method Sign

src/cryptopp/gfpcrypt.h:409–417

	virtual ~DL_Algorithm_GDSA_ISO15946() {}

	void Sign(const DL_GroupParameters<T> &params, const Integer &x, const Integer &k, const Integer &e, Integer &r, Integer &s) const
	{
		const Integer &q = params.GetSubgroupOrder();
		// r = x(k * G) mod q
		r = params.ConvertElementToInteger(params.ExponentiateBase(k)) % q;
		// s = (k * r − h(m)) * d_A mod q
		s = (k * r - e) * x % q;
		CRYPTOPP_ASSERT(!!r && !!s);
	}

	bool Verify(const DL_GroupParameters<T> &params, const DL_PublicKey<T> &publicKey, const Integer &e, const Integer &r, const Integer &s) const
	{