#include #include #ifdef MCL_DONT_USE_OPENSSL #include #else #include #endif #include #include #include struct TagZn; typedef mcl::FpT<> Fp; typedef mcl::FpT Zn; typedef mcl::EcT Ec; typedef mcl::ElgamalT ElgamalEc; const mcl::EcParam& para = mcl::ecparam::secp192k1; cybozu::RandomGenerator rg; CYBOZU_TEST_AUTO(testEc) { Fp::init(para.p); Zn::init(para.n); Ec::init(para.a, para.b); const Fp x0(para.gx); const Fp y0(para.gy); const size_t bitSize = Zn::getBitSize(); const Ec P(x0, y0); /* Zn =

*/ ElgamalEc::PrivateKey prv; prv.init(P, bitSize, rg); prv.setCache(0, 60000); const ElgamalEc::PublicKey& pub = prv.getPublicKey(); const int m1 = 12345; const int m2 = 17655; ElgamalEc::CipherText c1, c2; pub.enc(c1, m1, rg); pub.enc(c2, m2, rg); Zn dec1, dec2; prv.dec(dec1, c1); prv.dec(dec2, c2); // dec(enc) = id CYBOZU_TEST_EQUAL(dec1, m1); CYBOZU_TEST_EQUAL(dec2, m2); CYBOZU_TEST_EQUAL(prv.dec(c1), m1); CYBOZU_TEST_EQUAL(prv.dec(c2), m2); // iostream { ElgamalEc::PublicKey pub2; ElgamalEc::PrivateKey prv2; ElgamalEc::CipherText cc1, cc2; { std::stringstream ss; ss << prv; ss >> prv2; } Zn d; prv2.dec(d, c1); CYBOZU_TEST_EQUAL(d, m1); { std::stringstream ss; ss << c1; ss >> cc1; } d = 0; prv2.dec(d, cc1); CYBOZU_TEST_EQUAL(d, m1); { std::stringstream ss; ss << pub; ss >> pub2; } pub2.enc(cc2, m2, rg); prv.dec(d, cc2); CYBOZU_TEST_EQUAL(d, m2); } // enc(m1) enc(m2) = enc(m1 + m2) c1.add(c2); prv.dec(dec1, c1); CYBOZU_TEST_EQUAL(dec1, m1 + m2); // enc(m1) x = enc(m1 + x) { const int x = 555; pub.add(c1, x); prv.dec(dec1, c1); CYBOZU_TEST_EQUAL(dec1, m1 + m2 + x); } // rerandomize c1 = c2; pub.rerandomize(c1, rg); // verify c1 != c2 CYBOZU_TEST_ASSERT(c1.c1 != c2.c1); CYBOZU_TEST_ASSERT(c1.c2 != c2.c2); prv.dec(dec1, c1); // dec(c1) = dec(c2) CYBOZU_TEST_EQUAL(dec1, m2); // check neg { ElgamalEc::CipherText c; Zn m = 1234; pub.enc(c, m, rg); c.neg(); Zn dec; prv.dec(dec, c); CYBOZU_TEST_EQUAL(dec, -m); } // check mul { ElgamalEc::CipherText c; Zn m = 123; int x = 111; pub.enc(c, m, rg); Zn dec; prv.dec(dec, c); c.mul(x); prv.dec(dec, c); m *= x; CYBOZU_TEST_EQUAL(dec, m); } // check negative value for (int i = -10; i < 10; i++) { ElgamalEc::CipherText c; const Zn mm = i; pub.enc(c, mm, rg); Zn dec; prv.dec(dec, c, 1000); CYBOZU_TEST_EQUAL(dec, mm); } // isZeroMessage for (int m = 0; m < 10; m++) { ElgamalEc::CipherText c0; pub.enc(c0, m, rg); if (m == 0) { CYBOZU_TEST_ASSERT(prv.isZeroMessage(c0)); } else { CYBOZU_TEST_ASSERT(!prv.isZeroMessage(c0)); } } // zkp { ElgamalEc::Zkp zkp; ElgamalEc::CipherText c; #ifdef MCL_DONT_USE_OPENSSL cybozu::Sha1 hash; #else cybozu::crypto::Hash hash(cybozu::crypto::Hash::N_SHA256); #endif pub.encWithZkp(c, zkp, 0, hash, rg); CYBOZU_TEST_ASSERT(pub.verify(c, zkp, hash)); zkp.s0 += 1; CYBOZU_TEST_ASSERT(!pub.verify(c, zkp, hash)); pub.encWithZkp(c, zkp, 1, hash, rg); CYBOZU_TEST_ASSERT(pub.verify(c, zkp, hash)); zkp.s0 += 1; CYBOZU_TEST_ASSERT(!pub.verify(c, zkp, hash)); CYBOZU_TEST_EXCEPTION_MESSAGE(pub.encWithZkp(c, zkp, 2, hash, rg), cybozu::Exception, "encWithZkp"); } } >branches/2015Q2 FreeBSD Ports (https://github.com/freebsd/freebsd-ports)
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* Remove WWW entries moved into port MakefilesStefan Eßer2022-09-081-2/+0
* Add WWW entries to port MakefilesStefan Eßer2022-09-081-0/+1
* deskutils: remove 'Created by' linesTobias C. Berner2022-07-201-2/+0
* Remove # $FreeBSD$ from Makefiles.Mathieu Arnold2021-04-061-1/+0
* Clean up after java/openjdk6 and java/openjdk6-jre removalJung-uk Kim2019-11-271-1/+0
* Convert to UCL & cleanup pkg-message (categories d)Mathieu Arnold2019-08-141-4/+6
* Remove ${PORTSDIR}/ from dependencies, categories d, e, f, and g.Mathieu Arnold2016-04-011-2/+2
* Cleanup plistAntoine Brodin2014-11-131-2/+1
* - Fix a stage symlinkAntoine Brodin2014-02-091-9/+3
* - Depend on devel/xdg-utils instead of installing its own version [1]Beat Gaetzi2013-09-261-10/+8
* Add NO_STAGE all over the place in preparation for the staging support (cat: ...Baptiste Daroussin2013-09-211-0/+1
* Decommissioning java 1.5 (EOLed since October 2009):Baptiste Daroussin2012-12-101-6/+2
* - Set default_options to make actions in action window visible [1]Beat Gaetzi2011-01-252-5/+6
* - Switch SourceForge ports to the new File Release System: categories startin...Dmitry Marakasov2009-08-221-1/+1
* - Update to 2.2.1Beat Gaetzi2009-04-222-7/+4
* Update my email address to @FreeBSD.org.Beat Gaetzi2009-01-291-1/+1
* - Added a patch which adds a note about the diablo 1.6 Java versionsMartin Wilke2008-11-232-0/+20
* - File has been re-rolled (author fixed some spelling mistakes)Martin Wilke2008-06-222-3/+6
* Bump portrevision due to upgrade of devel/gettext.Edwin Groothuis2008-06-06