a portable and fast pairing-based cryptography library
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mcl/test/pailler_test.cpp

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640 B

#include <cybozu/test.hpp>
#include <cybozu/random_generator.hpp>
#include <mcl/pailler.hpp>
CYBOZU_TEST_AUTO(pailler)
{
cybozu::RandomGenerator rg;
using namespace mcl::pailler;
SecretKey sec;
sec.init(2048, rg);
PublicKey pub;
sec.getPublicKey(pub);
mpz_class m1("12342340928409"), m2("23049820498204");
mpz_class c1, c2, c3;
pub.enc(c1, m1, rg);
pub.enc(c2, m2, rg);
std::cout << std::hex << "c1=" << c1 << "\nc2=" << c2 << std::endl;
pub.add(c3, c1, c2);
mpz_class d1, d2, d3;
sec.dec(d1, c1);
sec.dec(d2, c2);
sec.dec(d3, c3);
CYBOZU_TEST_EQUAL(m1, d1);
CYBOZU_TEST_EQUAL(m2, d2);
CYBOZU_TEST_EQUAL(m1 + m2, d3);
}