Method Verify

src/cryptopp/gfpcrypt.h:214–225

	}

	bool Verify(const DL_GroupParameters<T> &params, const DL_PublicKey<T> &publicKey, const Integer &e, const Integer &r, const Integer &s) const
	{
		const Integer &q = params.GetSubgroupOrder();
		if (r>=q || r<1 || s>=q || s<1)
			return false;

		Integer w = s.InverseMod(q);
		Integer u1 = (e * w) % q;
		Integer u2 = (r * w) % q;
		// verify r == (g^u1 * y^u2 mod p) mod q
		return r == params.ConvertElementToInteger(publicKey.CascadeExponentiateBaseAndPublicElement(u1, u2)) % q;
	}
};

//! \class DL_Algorithm_DSA_RFC6979