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@ -27,9 +27,9 @@ |
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#include <libdevcore/Log.h> |
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#include <libethereum/Transaction.h> |
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#include <boost/test/unit_test.hpp> |
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#include <libdevcrypto/EC.h> |
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#include <libdevcrypto/SHA3MAC.h> |
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#include "TestHelperCrypto.h" |
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#include <libdevcrypto/SHA3.h> |
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#include <libdevcrypto/ECDHE.h> |
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#include <libdevcrypto/CryptoPP.h> |
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using namespace std; |
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using namespace dev; |
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@ -38,9 +38,24 @@ using namespace CryptoPP; |
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BOOST_AUTO_TEST_SUITE(devcrypto) |
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static Secp256k1 s_secp256k1; |
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static CryptoPP::AutoSeededRandomPool s_rng; |
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static CryptoPP::OID s_curveOID(CryptoPP::ASN1::secp256k1()); |
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static CryptoPP::DL_GroupParameters_EC<CryptoPP::ECP> s_params(s_curveOID); |
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static CryptoPP::DL_GroupParameters_EC<CryptoPP::ECP>::EllipticCurve s_curve(s_params.GetCurve()); |
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BOOST_AUTO_TEST_CASE(verify_secert) |
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{ |
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h256 empty; |
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KeyPair kNot(empty); |
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BOOST_REQUIRE(!kNot.address()); |
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KeyPair k(sha3(empty)); |
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BOOST_REQUIRE(k.address()); |
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} |
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BOOST_AUTO_TEST_CASE(common_encrypt_decrypt) |
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{ |
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string message("Now is the time for all good persons to come to the aide of humanity."); |
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string message("Now is the time for all good persons to come to the aid of humanity."); |
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bytes m = asBytes(message); |
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bytesConstRef bcr(&m); |
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@ -56,103 +71,50 @@ BOOST_AUTO_TEST_CASE(common_encrypt_decrypt) |
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BOOST_REQUIRE(plain == asBytes(message)); |
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} |
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BOOST_AUTO_TEST_CASE(cryptopp_vs_secp256k1) |
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{ |
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ECIES<ECP>::Decryptor d(pp::PRNG, pp::secp256k1Curve); |
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ECIES<ECP>::Encryptor e(d.GetKey()); |
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Secret s; |
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pp::exportPrivateKey(d.GetKey(), s); |
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Public p; |
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pp::exportPublicKey(e.GetKey(), p); |
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BOOST_REQUIRE(dev::toAddress(s) == right160(dev::sha3(p.ref()))); |
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Secret previous = s; |
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for (auto i = 0; i < 2; i++) |
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{ |
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ECIES<ECP>::Decryptor d(pp::PRNG, pp::secp256k1Curve); |
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ECIES<ECP>::Encryptor e(d.GetKey()); |
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Secret s; |
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pp::exportPrivateKey(d.GetKey(), s); |
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BOOST_REQUIRE(s != previous); |
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Public p; |
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pp::exportPublicKey(e.GetKey(), p); |
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h160 secp256k1Addr = dev::toAddress(s); |
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h160 cryptoppAddr = right160(dev::sha3(p.ref())); |
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if (secp256k1Addr != cryptoppAddr) |
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{ |
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BOOST_REQUIRE(secp256k1Addr == cryptoppAddr); |
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break; |
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} |
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} |
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} |
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BOOST_AUTO_TEST_CASE(cryptopp_cryptopp_secp256k1libport) |
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{ |
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// cryptopp implementation of secp256k1lib sign_compact w/recid parameter and recovery of public key from signature
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secp256k1_start(); |
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// base secret
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Secret secret(sha3("privacy")); |
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// we get ec params from signer
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const CryptoPP::DL_GroupParameters_EC<CryptoPP::ECP> params = pp::secp256k1Params; |
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ECDSA<ECP, SHA3_256>::Signer signer; |
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// e := sha3(msg)
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bytes e(fromHex("0x01")); |
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e.resize(32); |
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int tests = 2; // Oct 29: successful @ 1500
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int tests = 2; |
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while (sha3(&e, &e), secret = sha3(secret.asBytes()), tests--) |
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{ |
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KeyPair key(secret); |
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Public pkey = key.pub(); |
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pp::initializeDLScheme(secret, signer); |
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signer.AccessKey().Initialize(s_params, secretToExponent(secret)); |
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h256 he(sha3(e)); |
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Integer heInt(he.asBytes().data(), 32); |
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h256 k(crypto::kdf(secret, he)); |
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Integer kInt(k.asBytes().data(), 32); |
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kInt %= params.GetSubgroupOrder()-1; |
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kInt %= s_params.GetSubgroupOrder()-1; |
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ECP::Point rp = params.ExponentiateBase(kInt); |
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Integer const& q = params.GetGroupOrder(); |
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Integer r = params.ConvertElementToInteger(rp); |
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int recid = ((r >= q) ? 2 : 0) | (rp.y.IsOdd() ? 1 : 0); |
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ECP::Point rp = s_params.ExponentiateBase(kInt); |
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Integer const& q = s_params.GetGroupOrder(); |
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Integer r = s_params.ConvertElementToInteger(rp); |
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Integer kInv = kInt.InverseMod(q); |
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Integer s = (kInv * (Integer(secret.asBytes().data(), 32)*r + heInt)) % q; |
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BOOST_REQUIRE(!!r && !!s); |
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/*
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// For future reference:
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// According to maths, this codepath can't be reached, however, it's in secp256k1.
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// Commenting this out diverges from codebase implementation.
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// To be removed after upstream PR and proof are evaulated.
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if (s > params.GetSubgroupOrder()) |
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{ |
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// note: this rarely happens
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s = params.GetGroupOrder() - s; |
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if (recid) |
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recid ^= 1; |
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} |
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*/ |
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Signature sig; |
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sig[64] = rp.y.IsOdd() ? 1 : 0; |
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r.Encode(sig.data(), 32); |
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s.Encode(sig.data() + 32, 32); |
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sig[64] = recid; |
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Public p = dev::recover(sig, he); |
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BOOST_REQUIRE(p == pkey); |
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// verify w/cryptopp
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BOOST_REQUIRE(crypto::verify(pkey, sig, bytesConstRef(&e))); |
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BOOST_REQUIRE(s_secp256k1.verify(pkey, sig, bytesConstRef(&e))); |
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// verify with secp256k1lib
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byte encpub[65] = {0x04}; |
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@ -166,16 +128,18 @@ BOOST_AUTO_TEST_CASE(cryptopp_cryptopp_secp256k1libport) |
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BOOST_AUTO_TEST_CASE(cryptopp_ecdsa_sipaseckp256k1) |
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{ |
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secp256k1_start(); |
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// cryptopp integer encoding
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Integer nHex("f2ee15ea639b73fa3db9b34a245bdfa015c260c598b211bf05a1ecc4b3e3b4f2H"); |
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Integer nB(fromHex("f2ee15ea639b73fa3db9b34a245bdfa015c260c598b211bf05a1ecc4b3e3b4f2").data(), 32); |
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BOOST_REQUIRE(nHex == nB); |
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bytes sbytes(fromHex("0x01")); |
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Secret secret(sha3(sbytes)); // 5fe7f977e71dba2ea1a68e21057beebb9be2ac30c6410aa38d4f3fbe41dcffd2
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bytes sbytes(fromHex("0xFFFF")); |
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Secret secret(sha3(sbytes)); |
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KeyPair key(secret); |
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bytes m(fromHex("0x01")); |
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bytes m(1, 0xff); |
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int tests = 2; |
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while (m[0]++, tests--) |
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{ |
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@ -186,42 +150,42 @@ BOOST_AUTO_TEST_CASE(cryptopp_ecdsa_sipaseckp256k1) |
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// raw sign w/cryptopp (doesn't pass through cryptopp hash filter)
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ECDSA<ECP, SHA3_256>::Signer signer; |
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pp::initializeDLScheme(key.sec(), signer); |
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signer.AccessKey().Initialize(s_params, secretToExponent(key.sec())); |
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Integer r, s; |
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signer.RawSign(kInt, hInt, r, s); |
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// verify cryptopp raw-signature w/cryptopp
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ECDSA<ECP, SHA3_256>::Verifier verifier; |
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pp::initializeDLScheme(key.pub(), verifier); |
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verifier.AccessKey().Initialize(s_params, publicToPoint(key.pub())); |
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Signature sigppraw; |
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r.Encode(sigppraw.data(), 32); |
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s.Encode(sigppraw.data() + 32, 32); |
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BOOST_REQUIRE(verifier.VerifyMessage(m.data(), m.size(), sigppraw.data(), 64)); |
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BOOST_REQUIRE(crypto::verify(key.pub(), sigppraw, bytesConstRef(&m))); |
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// BOOST_REQUIRE(crypto::verify(key.pub(), sigppraw, bytesConstRef(&m)));
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BOOST_REQUIRE(dev::verify(key.pub(), sigppraw, hm)); |
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// sign with cryptopp, verify, recover w/sec256lib
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Signature seclibsig(dev::sign(key.sec(), hm)); |
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BOOST_REQUIRE(verifier.VerifyMessage(m.data(), m.size(), seclibsig.data(), 64)); |
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BOOST_REQUIRE(crypto::verify(key.pub(), seclibsig, bytesConstRef(&m))); |
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// BOOST_REQUIRE(crypto::verify(key.pub(), seclibsig, bytesConstRef(&m)));
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BOOST_REQUIRE(dev::verify(key.pub(), seclibsig, hm)); |
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BOOST_REQUIRE(dev::recover(seclibsig, hm) == key.pub()); |
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// sign with cryptopp (w/hash filter?), verify with cryptopp
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bytes sigppb(signer.MaxSignatureLength()); |
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size_t ssz = signer.SignMessage(pp::PRNG, m.data(), m.size(), sigppb.data()); |
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size_t ssz = signer.SignMessage(s_rng, m.data(), m.size(), sigppb.data()); |
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Signature sigpp; |
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memcpy(sigpp.data(), sigppb.data(), 64); |
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BOOST_REQUIRE(verifier.VerifyMessage(m.data(), m.size(), sigppb.data(), ssz)); |
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BOOST_REQUIRE(crypto::verify(key.pub(), sigpp, bytesConstRef(&m))); |
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// BOOST_REQUIRE(crypto::verify(key.pub(), sigpp, bytesConstRef(&m)));
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BOOST_REQUIRE(dev::verify(key.pub(), sigpp, hm)); |
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// sign with cryptopp and stringsource hash filter
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string sigstr; |
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StringSource ssrc(asString(m), true, new SignerFilter(pp::PRNG, signer, new StringSink(sigstr))); |
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StringSource ssrc(asString(m), true, new SignerFilter(s_rng, signer, new StringSink(sigstr))); |
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FixedHash<sizeof(Signature)> retsig((byte const*)sigstr.data(), Signature::ConstructFromPointer); |
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BOOST_REQUIRE(verifier.VerifyMessage(m.data(), m.size(), retsig.data(), 64)); |
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BOOST_REQUIRE(crypto::verify(key.pub(), retsig, bytesConstRef(&m))); |
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// BOOST_REQUIRE(crypto::verify(key.pub(), retsig, bytesConstRef(&m)));
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BOOST_REQUIRE(dev::verify(key.pub(), retsig, hm)); |
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/// verification w/sec256lib
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@ -247,92 +211,102 @@ BOOST_AUTO_TEST_CASE(cryptopp_ecdsa_sipaseckp256k1) |
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} |
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} |
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BOOST_AUTO_TEST_CASE(cryptopp_public_export_import) |
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{ |
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ECIES<ECP>::Decryptor d(pp::PRNG, pp::secp256k1Curve); |
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ECIES<ECP>::Encryptor e(d.GetKey()); |
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Secret s; |
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pp::exportPrivateKey(d.GetKey(), s); |
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Public p; |
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pp::exportPublicKey(e.GetKey(), p); |
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Address addr = right160(dev::sha3(p.ref())); |
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BOOST_REQUIRE(toAddress(s) == addr); |
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KeyPair l(s); |
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BOOST_REQUIRE(l.address() == addr); |
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} |
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BOOST_AUTO_TEST_CASE(ecies_eckeypair) |
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{ |
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KeyPair k = KeyPair::create(); |
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string message("Now is the time for all good persons to come to the aide of humanity."); |
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string message("Now is the time for all good persons to come to the aid of humanity."); |
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string original = message; |
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bytes b = asBytes(message); |
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encrypt(k.pub(), b); |
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s_secp256k1.encrypt(k.pub(), b); |
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BOOST_REQUIRE(b != asBytes(original)); |
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decrypt(k.sec(), b); |
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s_secp256k1.decrypt(k.sec(), b); |
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BOOST_REQUIRE(b == asBytes(original)); |
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} |
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BOOST_AUTO_TEST_CASE(ecdhe_aes128_ctr_sha3mac) |
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BOOST_AUTO_TEST_CASE(ecdh) |
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{ |
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// New connections require new ECDH keypairs
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// Every new connection requires a new EC keypair
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// Every new trust requires a new EC keypair
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// All connections should share seed for PRF (or PRNG) for nonces
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cnote << "Testing ecdh..."; |
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ECDH<ECP>::Domain dhLocal(s_curveOID); |
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SecByteBlock privLocal(dhLocal.PrivateKeyLength()); |
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SecByteBlock pubLocal(dhLocal.PublicKeyLength()); |
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dhLocal.GenerateKeyPair(s_rng, privLocal, pubLocal); |
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} |
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ECDH<ECP>::Domain dhRemote(s_curveOID); |
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SecByteBlock privRemote(dhRemote.PrivateKeyLength()); |
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SecByteBlock pubRemote(dhRemote.PublicKeyLength()); |
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dhRemote.GenerateKeyPair(s_rng, privRemote, pubRemote); |
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BOOST_AUTO_TEST_CASE(cryptopp_ecies_message) |
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{ |
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cnote << "Testing cryptopp_ecies_message..."; |
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assert(dhLocal.AgreedValueLength() == dhRemote.AgreedValueLength()); |
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// local: send public to remote; remote: send public to local
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// Local
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SecByteBlock sharedLocal(dhLocal.AgreedValueLength()); |
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assert(dhLocal.Agree(sharedLocal, privLocal, pubRemote)); |
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// Remote
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SecByteBlock sharedRemote(dhRemote.AgreedValueLength()); |
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assert(dhRemote.Agree(sharedRemote, privRemote, pubLocal)); |
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// Test
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Integer ssLocal, ssRemote; |
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ssLocal.Decode(sharedLocal.BytePtr(), sharedLocal.SizeInBytes()); |
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ssRemote.Decode(sharedRemote.BytePtr(), sharedRemote.SizeInBytes()); |
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assert(ssLocal != 0); |
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assert(ssLocal == ssRemote); |
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string const message("Now is the time for all good persons to come to the aide of humanity."); |
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ECIES<ECP>::Decryptor localDecryptor(pp::PRNG, pp::secp256k1Curve); |
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SavePrivateKey(localDecryptor.GetPrivateKey()); |
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// Now use our keys
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KeyPair a = KeyPair::create(); |
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byte puba[65] = {0x04}; |
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memcpy(&puba[1], a.pub().data(), 64); |
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ECIES<ECP>::Encryptor localEncryptor(localDecryptor); |
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SavePublicKey(localEncryptor.GetPublicKey()); |
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KeyPair b = KeyPair::create(); |
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byte pubb[65] = {0x04}; |
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memcpy(&pubb[1], b.pub().data(), 64); |
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ECIES<ECP>::Decryptor futureDecryptor; |
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LoadPrivateKey(futureDecryptor.AccessPrivateKey()); |
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futureDecryptor.GetPrivateKey().ThrowIfInvalid(pp::PRNG, 3); |
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ECDH<ECP>::Domain dhA(s_curveOID); |
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Secret shared; |
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BOOST_REQUIRE(dhA.Agree(shared.data(), a.sec().data(), pubb)); |
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BOOST_REQUIRE(shared); |
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} |
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BOOST_AUTO_TEST_CASE(ecdhe) |
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{ |
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cnote << "Testing ecdhe..."; |
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ECIES<ECP>::Encryptor futureEncryptor; |
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LoadPublicKey(futureEncryptor.AccessPublicKey()); |
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futureEncryptor.GetPublicKey().ThrowIfInvalid(pp::PRNG, 3); |
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ECDHE a, b; |
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BOOST_CHECK_NE(a.pubkey(), b.pubkey()); |
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// encrypt/decrypt with local
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string cipherLocal; |
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StringSource ss1 (message, true, new PK_EncryptorFilter(pp::PRNG, localEncryptor, new StringSink(cipherLocal) ) ); |
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string plainLocal; |
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StringSource ss2 (cipherLocal, true, new PK_DecryptorFilter(pp::PRNG, localDecryptor, new StringSink(plainLocal) ) ); |
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ECDHE local; |
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ECDHE remote; |
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// encrypt/decrypt with future
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string cipherFuture; |
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StringSource ss3 (message, true, new PK_EncryptorFilter(pp::PRNG, futureEncryptor, new StringSink(cipherFuture) ) ); |
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string plainFuture; |
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StringSource ss4 (cipherFuture, true, new PK_DecryptorFilter(pp::PRNG, futureDecryptor, new StringSink(plainFuture) ) ); |
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// local tx pubkey -> remote
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Secret sremote; |
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remote.agree(local.pubkey(), sremote); |
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// decrypt local w/future
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string plainFutureFromLocal; |
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StringSource ss5 (cipherLocal, true, new PK_DecryptorFilter(pp::PRNG, futureDecryptor, new StringSink(plainFutureFromLocal) ) ); |
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// remote tx pbukey -> local
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Secret slocal; |
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local.agree(remote.pubkey(), slocal); |
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// decrypt future w/local
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string plainLocalFromFuture; |
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StringSource ss6 (cipherFuture, true, new PK_DecryptorFilter(pp::PRNG, localDecryptor, new StringSink(plainLocalFromFuture) ) ); |
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BOOST_REQUIRE(sremote); |
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BOOST_REQUIRE(slocal); |
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BOOST_REQUIRE_EQUAL(sremote, slocal); |
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} |
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BOOST_AUTO_TEST_CASE(ecdhe_aes128_ctr_sha3mac) |
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{ |
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// New connections require new ECDH keypairs
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// Every new connection requires a new EC keypair
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// Every new trust requires a new EC keypair
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// All connections should share seed for PRF (or PRNG) for nonces
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BOOST_REQUIRE(plainLocal == message); |
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BOOST_REQUIRE(plainFuture == plainLocal); |
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BOOST_REQUIRE(plainFutureFromLocal == plainLocal); |
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BOOST_REQUIRE(plainLocalFromFuture == plainLocal); |
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} |
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BOOST_AUTO_TEST_CASE(cryptopp_aes128_ctr) |
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@ -346,21 +320,28 @@ BOOST_AUTO_TEST_CASE(cryptopp_aes128_ctr) |
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rng.GenerateBlock(key, key.size()); |
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// cryptopp uses IV as nonce/counter which is same as using nonce w/0 ctr
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byte ctr[AES::BLOCKSIZE]; |
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rng.GenerateBlock(ctr, sizeof(ctr)); |
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FixedHash<AES::BLOCKSIZE> ctr; |
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rng.GenerateBlock(ctr.data(), sizeof(ctr)); |
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string text = "Now is the time for all good persons to come to the aide of humanity."; |
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// c++11 ftw
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// used for decrypt
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FixedHash<AES::BLOCKSIZE> ctrcopy(ctr); |
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string text = "Now is the time for all good persons to come to the aid of humanity."; |
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unsigned char const* in = (unsigned char*)&text[0]; |
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unsigned char* out = (unsigned char*)&text[0]; |
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string original = text; |
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string doublespeak = text + text; |
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string cipherCopy; |
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try |
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{ |
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CTR_Mode<AES>::Encryption e; |
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e.SetKeyWithIV(key, key.size(), ctr); |
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e.SetKeyWithIV(key, key.size(), ctr.data()); |
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// 68 % 255 should be difference of counter
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e.ProcessData(out, in, text.size()); |
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ctr = h128(u128(ctr) + text.size() % 16); |
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BOOST_REQUIRE(text != original); |
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cipherCopy = text; |
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} |
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@ -372,7 +353,7 @@ BOOST_AUTO_TEST_CASE(cryptopp_aes128_ctr) |
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try |
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{ |
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CTR_Mode< AES >::Decryption d; |
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d.SetKeyWithIV(key, key.size(), ctr); |
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d.SetKeyWithIV(key, key.size(), ctrcopy.data()); |
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d.ProcessData(out, in, text.size()); |
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BOOST_REQUIRE(text == original); |
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} |
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@ -390,7 +371,7 @@ BOOST_AUTO_TEST_CASE(cryptopp_aes128_ctr) |
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out = (unsigned char*)&cipherCopy[0]; |
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CTR_Mode<AES>::Encryption e; |
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e.SetKeyWithIV(key, key.size(), ctr); |
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e.SetKeyWithIV(key, key.size(), ctrcopy.data()); |
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e.ProcessData(out, in, text.size()); |
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// yep, ctr mode.
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Marek Kotewicz
10 years ago