public void TestECNR239bitPrime()
{
BigInteger r = new BigInteger("308636143175167811492623515537541734843573549327605293463169625072911693");
BigInteger s = new BigInteger("852401710738814635664888632022555967400445256405412579597015412971797143");
byte[] kData = new BigInteger("700000017569056646655505781757157107570501575775705779575555657156756655").ToByteArrayUnsigned();
SecureRandom k = FixedSecureRandom.From(kData);
ECCurve curve = new FpCurve(
new BigInteger("883423532389192164791648750360308885314476597252960362792450860609699839"), // q
new BigInteger("7fffffffffffffffffffffff7fffffffffff8000000000007ffffffffffc", 16), // a
new BigInteger("6b016c3bdcf18941d0d654921475ca71a9db2fb27d1d37796185c2942c0a", 16)); // b
ECDomainParameters spec = new ECDomainParameters(
curve,
curve.DecodePoint(Hex.Decode("020ffa963cdca8816ccc33b8642bedf905c3d358573d3f27fbbd3b3cb9aaaf")), // G
new BigInteger("883423532389192164791648750360308884807550341691627752275345424702807307")); // n
ECPrivateKeyParameters priKey = new ECPrivateKeyParameters(
new BigInteger("876300101507107567501066130761671078357010671067781776716671676178726717"), // d
spec);
ECPublicKeyParameters pubKey = new ECPublicKeyParameters(
curve.DecodePoint(Hex.Decode("025b6dc53bc61a2548ffb0f671472de6c9521a9d2d2534e65abfcbd5fe0c70")), // Q
spec);
ISigner sgr = SignerUtilities.GetSigner("SHA1withECNR");
byte[] message = new byte[] { (byte)'a', (byte)'b', (byte)'c' };
checkSignature(239, priKey, pubKey, sgr, k, message, r, s);
}
public void TestECNR192bitPrime()
{
BigInteger r = new BigInteger("2474388605162950674935076940284692598330235697454145648371");
BigInteger s = new BigInteger("2997192822503471356158280167065034437828486078932532073836");
byte[] kData = new BigInteger("dcc5d1f1020906df2782360d36b2de7a17ece37d503784af", 16).ToByteArrayUnsigned();
SecureRandom k = FixedSecureRandom.From(kData);
FpCurve curve = new FpCurve(
new BigInteger("6277101735386680763835789423207666416083908700390324961279"), // q (or p)
new BigInteger("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFC", 16), // a
new BigInteger("64210519E59C80E70FA7E9AB72243049FEB8DEECC146B9B1", 16)); // b
ECDomainParameters spec = new ECDomainParameters(
curve,
curve.DecodePoint(Hex.Decode("03188DA80EB03090F67CBF20EB43A18800F4FF0AFD82FF1012")), // G
new BigInteger("6277101735386680763835789423176059013767194773182842284081")); // n
ECPrivateKeyParameters priKey = new ECPrivateKeyParameters(
new BigInteger("651056770906015076056810763456358567190100156695615665659"), // d
spec);
ECPublicKeyParameters pubKey = new ECPublicKeyParameters(
curve.DecodePoint(Hex.Decode("0262B12D60690CDCF330BABAB6E69763B471F994DD702D16A5")), // Q
spec);
ISigner sgr = SignerUtilities.GetSigner("SHA1withECNR");
byte[] message = new byte[] { (byte)'a', (byte)'b', (byte)'c' };
checkSignature(192, priKey, pubKey, sgr, k, message, r, s);
}
public void TestECDsa192bitPrime()
{
BigInteger r = new BigInteger("3342403536405981729393488334694600415596881826869351677613");
BigInteger s = new BigInteger("5735822328888155254683894997897571951568553642892029982342");
byte[] kData = BigIntegers.AsUnsignedByteArray(new BigInteger("6140507067065001063065065565667405560006161556565665656654"));
SecureRandom k = FixedSecureRandom.From(kData);
FpCurve curve = new FpCurve(
new BigInteger("6277101735386680763835789423207666416083908700390324961279"), // q
new BigInteger("fffffffffffffffffffffffffffffffefffffffffffffffc", 16), // a
new BigInteger("64210519e59c80e70fa7e9ab72243049feb8deecc146b9b1", 16)); // b
ECDomainParameters parameters = new ECDomainParameters(
curve,
curve.DecodePoint(Hex.Decode("03188da80eb03090f67cbf20eb43a18800f4ff0afd82ff1012")), // G
new BigInteger("6277101735386680763835789423176059013767194773182842284081")); // n
ECPrivateKeyParameters priKey = new ECPrivateKeyParameters(
"ECDSA",
new BigInteger("651056770906015076056810763456358567190100156695615665659"), // d
parameters);
ParametersWithRandom param = new ParametersWithRandom(priKey, k);
ECDsaSigner ecdsa = new ECDsaSigner();
ecdsa.Init(true, param);
byte[] message = new BigInteger("968236873715988614170569073515315707566766479517").ToByteArray();
BigInteger[] sig = ecdsa.GenerateSignature(message);
if (!r.Equals(sig[0]))
{
Fail("r component wrong." + SimpleTest.NewLine
+ " expecting: " + r + SimpleTest.NewLine
+ " got : " + sig[0]);
}
if (!s.Equals(sig[1]))
{
Fail("s component wrong." + SimpleTest.NewLine
+ " expecting: " + s + SimpleTest.NewLine
+ " got : " + sig[1]);
}
// Verify the signature
ECPublicKeyParameters pubKey = new ECPublicKeyParameters(
"ECDSA",
curve.DecodePoint(Hex.Decode("0262b12d60690cdcf330babab6e69763b471f994dd702d16a5")), // Q
parameters);
ecdsa.Init(false, pubKey);
if (!ecdsa.VerifySignature(message, sig[0], sig[1]))
{
Fail("verification fails");
}
}
private void ecNR239bitPrime()
{
BigInteger n = new BigInteger("883423532389192164791648750360308884807550341691627752275345424702807307");
FpCurve curve = new FpCurve(
new BigInteger("883423532389192164791648750360308885314476597252960362792450860609699839"), // q
new BigInteger("7fffffffffffffffffffffff7fffffffffff8000000000007ffffffffffc", 16), // a
new BigInteger("6b016c3bdcf18941d0d654921475ca71a9db2fb27d1d37796185c2942c0a", 16), // b
n, BigInteger.One);
ECDomainParameters parameters = new ECDomainParameters(
curve,
curve.DecodePoint(Hex.Decode("020ffa963cdca8816ccc33b8642bedf905c3d358573d3f27fbbd3b3cb9aaaf")), // G
n);
ECPrivateKeyParameters priKey = new ECPrivateKeyParameters(
new BigInteger("876300101507107567501066130761671078357010671067781776716671676178726717"), // d
parameters);
ECNRSigner ecnr = new ECNRSigner();
ParametersWithRandom param = new ParametersWithRandom(priKey, k);
ecnr.Init(true, param);
byte[] message = new BigInteger("968236873715988614170569073515315707566766479517").ToByteArray();
BigInteger[] sig = ecnr.GenerateSignature(message);
if (!r.Equals(sig[0]))
{
Fail("r component wrong.", r, sig[0]);
}
if (!s.Equals(sig[1]))
{
Fail("s component wrong.", s, sig[1]);
}
// Verify the signature
ECPublicKeyParameters pubKey = new ECPublicKeyParameters(
curve.DecodePoint(Hex.Decode("025b6dc53bc61a2548ffb0f671472de6c9521a9d2d2534e65abfcbd5fe0c70")), // Q
parameters);
ecnr.Init(false, pubKey);
if (!ecnr.VerifySignature(message, sig[0], sig[1]))
{
Fail("signature fails");
}
}
public override void PerformTest()
{
IAsymmetricCipherKeyPairGenerator g = GeneratorUtilities.GetKeyPairGenerator("ECIES");
ECCurve curve = new FpCurve(
new BigInteger("883423532389192164791648750360308885314476597252960362792450860609699839"), // q
new BigInteger("7fffffffffffffffffffffff7fffffffffff8000000000007ffffffffffc", 16), // a
new BigInteger("6b016c3bdcf18941d0d654921475ca71a9db2fb27d1d37796185c2942c0a", 16)); // b
ECDomainParameters ecSpec = new ECDomainParameters(
curve,
curve.DecodePoint(Hex.Decode("020ffa963cdca8816ccc33b8642bedf905c3d358573d3f27fbbd3b3cb9aaaf")), // G
new BigInteger("883423532389192164791648750360308884807550341691627752275345424702807307")); // n
g.Init(
new ECKeyGenerationParameters(
ecSpec,
new SecureRandom()));
IBufferedCipher c1 = CipherUtilities.GetCipher("ECIES");
IBufferedCipher c2 = CipherUtilities.GetCipher("ECIES");
doTest(g, c1, c2);
g = GeneratorUtilities.GetKeyPairGenerator("ECIES");
g.Init(new KeyGenerationParameters(new SecureRandom(), 192));
doTest(g, c1, c2);
g = GeneratorUtilities.GetKeyPairGenerator("ECIES");
g.Init(new KeyGenerationParameters(new SecureRandom(), 239));
doTest(g, c1, c2);
g = GeneratorUtilities.GetKeyPairGenerator("ECIES");
g.Init(new KeyGenerationParameters(new SecureRandom(), 256));
doTest(g, c1, c2);
doDefTest(g, c1, c2);
c1 = CipherUtilities.GetCipher("IES");
c2 = CipherUtilities.GetCipher("IES");
g = GeneratorUtilities.GetKeyPairGenerator("DH");
// DHParameterSpec dhParams = new DHParameterSpec(p512, g512);
// g.initialize(dhParams);
g.Init(
new DHKeyGenerationParameters(
new SecureRandom(),
new DHParameters(p512, g512)));
doTest(g, c1, c2);
doDefTest(g, c1, c2);
}
public void TestDecode()
{
FpCurve curve = new FpCurve(
new BigInteger("6277101735386680763835789423207666416083908700390324961279"), // q
new BigInteger("fffffffffffffffffffffffffffffffefffffffffffffffc", 16), // a
new BigInteger("64210519e59c80e70fa7e9ab72243049feb8deecc146b9b1", 16)); // b
ECPoint p = curve.DecodePoint(Hex.Decode("03188da80eb03090f67cbf20eb43a18800f4ff0afd82ff1012"));
if (!p.X.ToBigInteger().Equals(new BigInteger("188da80eb03090f67cbf20eb43a18800f4ff0afd82ff1012", 16)))
{
Fail("x uncompressed incorrectly");
}
if (!p.Y.ToBigInteger().Equals(new BigInteger("7192b95ffc8da78631011ed6b24cdd573f977a11e794811", 16)))
{
Fail("y uncompressed incorrectly");
}
byte[] encoding = p.GetEncoded();
if (!AreEqual(encoding, Hex.Decode("03188da80eb03090f67cbf20eb43a18800f4ff0afd82ff1012")))
{
Fail("point compressed incorrectly");
}
}
public void DecodeTest()
{
// EllipticCurve curve = new EllipticCurve(
// new ECFieldFp(new BigInteger("6277101735386680763835789423207666416083908700390324961279")), // q
// new BigInteger("fffffffffffffffffffffffffffffffefffffffffffffffc", 16), // a
// new BigInteger("64210519e59c80e70fa7e9ab72243049feb8deecc146b9b1", 16)); // b
ECCurve curve = new FpCurve(
new BigInteger("6277101735386680763835789423207666416083908700390324961279"), // q
new BigInteger("fffffffffffffffffffffffffffffffefffffffffffffffc", 16), // a
new BigInteger("64210519e59c80e70fa7e9ab72243049feb8deecc146b9b1", 16)); // b
// ECPoint p = ECPointUtil.DecodePoint(curve, Hex.Decode("03188da80eb03090f67cbf20eb43a18800f4ff0afd82ff1012"));
ECPoint p = curve.DecodePoint(Hex.Decode("03188da80eb03090f67cbf20eb43a18800f4ff0afd82ff1012"));
BigInteger x = p.XCoord.ToBigInteger(); //p.getAffineX();
if (!x.Equals(new BigInteger("188da80eb03090f67cbf20eb43a18800f4ff0afd82ff1012", 16)))
{
Fail("x uncompressed incorrectly");
}
BigInteger y = p.YCoord.ToBigInteger(); //p.getAffineX();
if (!y.Equals(new BigInteger("7192b95ffc8da78631011ed6b24cdd573f977a11e794811", 16)))
{
Fail("y uncompressed incorrectly");
}
}
protected override X9ECParameters CreateParameters()
{
ECCurve curve = new FpCurve(
new BigInteger("E95E4A5F737059DC60DFC7AD95B3D8139515620F", 16), // q
new BigInteger("340E7BE2A280EB74E2BE61BADA745D97E8F7C300", 16), // a
new BigInteger("1E589A8595423412134FAA2DBDEC95C8D8675E58", 16)); // b
return new X9ECParameters(
curve,
curve.DecodePoint(Hex.Decode("04BED5AF16EA3F6A4F62938C4631EB5AF7BDBCDBC31667CB477A1A8EC338F94741669C976316DA6321")), // G
new BigInteger("E95E4A5F737059DC60DF5991D45029409E60FC09", 16), //n
new BigInteger("01", 16)); // h
}
protected override X9ECParameters CreateParameters()
{
ECCurve curve = new FpCurve(
new BigInteger("C302F41D932A36CDA7A3463093D18DB78FCE476DE1A86297", 16), // q
new BigInteger("6A91174076B1E0E19C39C031FE8685C1CAE040E5C69A28EF", 16), // a
new BigInteger("469A28EF7C28CCA3DC721D044F4496BCCA7EF4146FBF25C9", 16)); // b
return new X9ECParameters(
curve,
curve.DecodePoint(Hex.Decode("04C0A0647EAAB6A48753B033C56CB0F0900A2F5C4853375FD614B690866ABD5BB88B5F4828C1490002E6773FA2FA299B8F")), // G
new BigInteger("C302F41D932A36CDA7A3462F9E9E916B5BE8F1029AC4ACC1", 16), //n
new BigInteger("01", 16)); // h
}
protected override X9ECParameters CreateParameters()
{
ECCurve curve = new FpCurve(
// new BigInteger("24DBFF5DEC9B986BBFE5295A29BFBAE45E0F5D0B", 16), // Z
new BigInteger("E95E4A5F737059DC60DFC7AD95B3D8139515620F", 16), // q
new BigInteger("E95E4A5F737059DC60DFC7AD95B3D8139515620C", 16), // a'
new BigInteger("7A556B6DAE535B7B51ED2C4D7DAA7A0B5C55F380", 16)); // b'
return new X9ECParameters(
curve,
curve.DecodePoint(Hex.Decode("04B199B13B9B34EFC1397E64BAEB05ACC265FF2378ADD6718B7C7C1961F0991B842443772152C9E0AD")), // G
new BigInteger("E95E4A5F737059DC60DF5991D45029409E60FC09", 16), //n
new BigInteger("01", 16)); // h
}
protected override X9ECParameters CreateParameters()
{
ECCurve cFp192v2 = new FpCurve(
new BigInteger("6277101735386680763835789423207666416083908700390324961279"),
new BigInteger("fffffffffffffffffffffffffffffffefffffffffffffffc", 16),
new BigInteger("cc22d6dfb95c6b25e49c0d6364a4e5980c393aa21668d953", 16));
return new X9ECParameters(
cFp192v2,
cFp192v2.DecodePoint(
Hex.Decode("03eea2bae7e1497842f2de7769cfe9c989c072ad696f48034a")),
new BigInteger("fffffffffffffffffffffffe5fb1a724dc80418648d8dd31", 16),
BigInteger.One,
Hex.Decode("31a92ee2029fd10d901b113e990710f0d21ac6b6"));
}
protected override X9ECParameters CreateParameters()
{
ECCurve cFp192v1 = new FpCurve(
new BigInteger("6277101735386680763835789423207666416083908700390324961279"),
new BigInteger("fffffffffffffffffffffffffffffffefffffffffffffffc", 16),
new BigInteger("64210519e59c80e70fa7e9ab72243049feb8deecc146b9b1", 16));
return new X9ECParameters(
cFp192v1,
cFp192v1.DecodePoint(
Hex.Decode("03188da80eb03090f67cbf20eb43a18800f4ff0afd82ff1012")),
new BigInteger("ffffffffffffffffffffffff99def836146bc9b1b4d22831", 16),
BigInteger.One,
Hex.Decode("3045AE6FC8422f64ED579528D38120EAE12196D5"));
}
protected override X9ECParameters CreateParameters()
{
ECCurve cFp192v3 = new FpCurve(
new BigInteger("6277101735386680763835789423207666416083908700390324961279"),
new BigInteger("fffffffffffffffffffffffffffffffefffffffffffffffc", 16),
new BigInteger("22123dc2395a05caa7423daeccc94760a7d462256bd56916", 16));
return new X9ECParameters(
cFp192v3,
cFp192v3.DecodePoint(
Hex.Decode("027d29778100c65a1da1783716588dce2b8b4aee8e228f1896")),
new BigInteger("ffffffffffffffffffffffff7a62d031c83f4294f640ec13", 16),
BigInteger.One,
Hex.Decode("c469684435deb378c4b65ca9591e2a5763059a2e"));
}
protected override X9ECParameters CreateParameters()
{
// p = (2^128 - 3) / 76439
BigInteger p = FromHex("DB7C2ABF62E35E668076BEAD208B");
BigInteger a = FromHex("6127C24C05F38A0AAAF65C0EF02C");
BigInteger b = FromHex("51DEF1815DB5ED74FCC34C85D709");
byte[] S = Hex.Decode("002757A1114D696E6768756151755316C05E0BD4");
BigInteger n = FromHex("36DF0AAFD8B8D7597CA10520D04B");
BigInteger h = BigInteger.ValueOf(4);
ECCurve curve = new FpCurve(p, a, b);
//ECPoint G = curve.DecodePoint(Hex.Decode("03"
//+ "4BA30AB5E892B4E1649DD0928643"));
ECPoint G = curve.DecodePoint(Hex.Decode("04"
+ "4BA30AB5E892B4E1649DD0928643"
+ "ADCD46F5882E3747DEF36E956E97"));
return new X9ECParameters(curve, G, n, h, S);
}
protected override X9ECParameters CreateParameters()
{
// p = (2^128 - 3) / 76439
BigInteger p = FromHex("DB7C2ABF62E35E668076BEAD208B");
BigInteger a = FromHex("DB7C2ABF62E35E668076BEAD2088");
BigInteger b = FromHex("659EF8BA043916EEDE8911702B22");
byte[] S = Hex.Decode("00F50B028E4D696E676875615175290472783FB1");
BigInteger n = FromHex("DB7C2ABF62E35E7628DFAC6561C5");
BigInteger h = BigInteger.ValueOf(1);
ECCurve curve = new FpCurve(p, a, b);
//ECPoint G = curve.DecodePoint(Hex.Decode("02"
//+ "09487239995A5EE76B55F9C2F098"));
ECPoint G = curve.DecodePoint(Hex.Decode("04"
+ "09487239995A5EE76B55F9C2F098"
+ "A89CE5AF8724C0A23E0E0FF77500"));
return new X9ECParameters(curve, G, n, h, S);
}
public override void PerformTest()
{
StaticTest();
FpCurve curve = new FpCurve(
new BigInteger("6277101735386680763835789423207666416083908700390324961279"), // q
new BigInteger("fffffffffffffffffffffffffffffffefffffffffffffffc", 16), // a
new BigInteger("64210519e59c80e70fa7e9ab72243049feb8deecc146b9b1", 16)); // b
ECDomainParameters parameters = new ECDomainParameters(
curve,
curve.DecodePoint(Hex.Decode("03188da80eb03090f67cbf20eb43a18800f4ff0afd82ff1012")), // G
new BigInteger("6277101735386680763835789423176059013767194773182842284081")); // n
ECKeyPairGenerator eGen = new ECKeyPairGenerator();
KeyGenerationParameters gParam = new ECKeyGenerationParameters(parameters, new SecureRandom());
eGen.Init(gParam);
AsymmetricCipherKeyPair p1 = eGen.GenerateKeyPair();
AsymmetricCipherKeyPair p2 = eGen.GenerateKeyPair();
DoTest(p1, p2);
}
public void TestECMqv()
{
IAsymmetricCipherKeyPairGenerator g = GeneratorUtilities.GetKeyPairGenerator("ECMQV");
// EllipticCurve curve = new EllipticCurve(
// new ECFieldFp(new BigInteger("883423532389192164791648750360308885314476597252960362792450860609699839")), // q
// new BigInteger("7fffffffffffffffffffffff7fffffffffff8000000000007ffffffffffc", 16), // a
// new BigInteger("6b016c3bdcf18941d0d654921475ca71a9db2fb27d1d37796185c2942c0a", 16)); // b
ECCurve curve = new FpCurve(
new BigInteger("883423532389192164791648750360308885314476597252960362792450860609699839"), // q
new BigInteger("7fffffffffffffffffffffff7fffffffffff8000000000007ffffffffffc", 16), // a
new BigInteger("6b016c3bdcf18941d0d654921475ca71a9db2fb27d1d37796185c2942c0a", 16)); // b
ECDomainParameters ecSpec = new ECDomainParameters(
curve,
// ECPointUtil.DecodePoint(curve, Hex.Decode("020ffa963cdca8816ccc33b8642bedf905c3d358573d3f27fbbd3b3cb9aaaf")), // G
curve.DecodePoint(Hex.Decode("020ffa963cdca8816ccc33b8642bedf905c3d358573d3f27fbbd3b3cb9aaaf")), // G
new BigInteger("883423532389192164791648750360308884807550341691627752275345424702807307"), // n
BigInteger.One); //1); // h
// g.initialize(ecSpec, new SecureRandom());
g.Init(new ECKeyGenerationParameters(ecSpec, new SecureRandom()));
//
// U side
//
AsymmetricCipherKeyPair U1 = g.GenerateKeyPair();
AsymmetricCipherKeyPair U2 = g.GenerateKeyPair();
IBasicAgreement uAgree = AgreementUtilities.GetBasicAgreement("ECMQV");
uAgree.Init(new MqvPrivateParameters(
(ECPrivateKeyParameters)U1.Private,
(ECPrivateKeyParameters)U2.Private,
(ECPublicKeyParameters)U2.Public));
//
// V side
//
AsymmetricCipherKeyPair V1 = g.GenerateKeyPair();
AsymmetricCipherKeyPair V2 = g.GenerateKeyPair();
IBasicAgreement vAgree = AgreementUtilities.GetBasicAgreement("ECMQV");
vAgree.Init(new MqvPrivateParameters(
(ECPrivateKeyParameters)V1.Private,
(ECPrivateKeyParameters)V2.Private,
(ECPublicKeyParameters)V2.Public));
//
// agreement
//
BigInteger ux = uAgree.CalculateAgreement(new MqvPublicParameters(
(ECPublicKeyParameters)V1.Public,
(ECPublicKeyParameters)V2.Public));
BigInteger vx = vAgree.CalculateAgreement(new MqvPublicParameters(
(ECPublicKeyParameters)U1.Public,
(ECPublicKeyParameters)U2.Public));
if (!ux.Equals(vx))
{
Fail("Agreement failed");
}
}
protected override X9ECParameters CreateParameters()
{
ECCurve curve = new FpCurve(
new BigInteger("AADD9DB8DBE9C48B3FD4E6AE33C9FC07CB308DB3B3C9D20ED6639CCA703308717D4D9B009BC66842AECDA12AE6A380E62881FF2F2D82C68528AA6056583A48F3", 16), // q
new BigInteger("7830A3318B603B89E2327145AC234CC594CBDD8D3DF91610A83441CAEA9863BC2DED5D5AA8253AA10A2EF1C98B9AC8B57F1117A72BF2C7B9E7C1AC4D77FC94CA", 16), // a
new BigInteger("3DF91610A83441CAEA9863BC2DED5D5AA8253AA10A2EF1C98B9AC8B57F1117A72BF2C7B9E7C1AC4D77FC94CADC083E67984050B75EBAE5DD2809BD638016F723", 16)); // b
return new X9ECParameters(
curve,
curve.DecodePoint(Hex.Decode("0481AEE4BDD82ED9645A21322E9C4C6A9385ED9F70B5D916C1B43B62EEF4D0098EFF3B1F78E2D0D48D50D1687B93B97D5F7C6D5047406A5E688B352209BCB9F8227DDE385D566332ECC0EABFA9CF7822FDF209F70024A57B1AA000C55B881F8111B2DCDE494A5F485E5BCA4BD88A2763AED1CA2B2FA8F0540678CD1E0F3AD80892")), // G
new BigInteger("AADD9DB8DBE9C48B3FD4E6AE33C9FC07CB308DB3B3C9D20ED6639CCA70330870553E5C414CA92619418661197FAC10471DB1D381085DDADDB58796829CA90069", 16), //n
new BigInteger("01", 16)); // h
}
protected override X9ECParameters CreateParameters()
{
ECCurve curve = new FpCurve(
//new BigInteger("12EE58E6764838B69782136F0F2D3BA06E27695716054092E60A80BEDB212B64E585D90BCE13761F85C3F1D2A64E3BE8FEA2220F01EBA5EEB0F35DBD29D922AB") //Z
new BigInteger("AADD9DB8DBE9C48B3FD4E6AE33C9FC07CB308DB3B3C9D20ED6639CCA703308717D4D9B009BC66842AECDA12AE6A380E62881FF2F2D82C68528AA6056583A48F3", 16), // q
new BigInteger("AADD9DB8DBE9C48B3FD4E6AE33C9FC07CB308DB3B3C9D20ED6639CCA703308717D4D9B009BC66842AECDA12AE6A380E62881FF2F2D82C68528AA6056583A48F0", 16), // a'
new BigInteger("7CBBBCF9441CFAB76E1890E46884EAE321F70C0BCB4981527897504BEC3E36A62BCDFA2304976540F6450085F2DAE145C22553B465763689180EA2571867423E", 16)); // b'
return new X9ECParameters(
curve,
curve.DecodePoint(Hex.Decode("04640ECE5C12788717B9C1BA06CBC2A6FEBA85842458C56DDE9DB1758D39C0313D82BA51735CDB3EA499AA77A7D6943A64F7A3F25FE26F06B51BAA2696FA9035DA5B534BD595F5AF0FA2C892376C84ACE1BB4E3019B71634C01131159CAE03CEE9D9932184BEEF216BD71DF2DADF86A627306ECFF96DBB8BACE198B61E00F8B332")), // G'
new BigInteger("AADD9DB8DBE9C48B3FD4E6AE33C9FC07CB308DB3B3C9D20ED6639CCA70330870553E5C414CA92619418661197FAC10471DB1D381085DDADDB58796829CA90069", 16), //n
new BigInteger("01", 16)); // h
}
protected override X9ECParameters CreateParameters()
{
ECCurve curve = new FpCurve(
//new BigInteger("41DFE8DD399331F7166A66076734A89CD0D2BCDB7D068E44E1F378F41ECBAE97D2D63DBC87BCCDDCCC5DA39E8589291C") //Z
new BigInteger("8CB91E82A3386D280F5D6F7E50E641DF152F7109ED5456B412B1DA197FB71123ACD3A729901D1A71874700133107EC53", 16), // q
new BigInteger("8CB91E82A3386D280F5D6F7E50E641DF152F7109ED5456B412B1DA197FB71123ACD3A729901D1A71874700133107EC50", 16), // a'
new BigInteger("7F519EADA7BDA81BD826DBA647910F8C4B9346ED8CCDC64E4B1ABD11756DCE1D2074AA263B88805CED70355A33B471EE", 16)); // b'
return new X9ECParameters(
curve,
curve.DecodePoint(Hex.Decode("0418DE98B02DB9A306F2AFCD7235F72A819B80AB12EBD653172476FECD462AABFFC4FF191B946A5F54D8D0AA2F418808CC25AB056962D30651A114AFD2755AD336747F93475B7A1FCA3B88F2B6A208CCFE469408584DC2B2912675BF5B9E582928")), // G'
new BigInteger("8CB91E82A3386D280F5D6F7E50E641DF152F7109ED5456B31F166E6CAC0425A7CF3AB6AF6B7FC3103B883202E9046565", 16), //n
new BigInteger("01", 16)); // h
}
protected override X9ECParameters CreateParameters()
{
ECCurve curve = new FpCurve(
new BigInteger("8CB91E82A3386D280F5D6F7E50E641DF152F7109ED5456B412B1DA197FB71123ACD3A729901D1A71874700133107EC53", 16), // q
new BigInteger("7BC382C63D8C150C3C72080ACE05AFA0C2BEA28E4FB22787139165EFBA91F90F8AA5814A503AD4EB04A8C7DD22CE2826", 16), // a
new BigInteger("4A8C7DD22CE28268B39B55416F0447C2FB77DE107DCD2A62E880EA53EEB62D57CB4390295DBC9943AB78696FA504C11", 16)); // b
return new X9ECParameters(
curve,
curve.DecodePoint(Hex.Decode("041D1C64F068CF45FFA2A63A81B7C13F6B8847A3E77EF14FE3DB7FCAFE0CBD10E8E826E03436D646AAEF87B2E247D4AF1E8ABE1D7520F9C2A45CB1EB8E95CFD55262B70B29FEEC5864E19C054FF99129280E4646217791811142820341263C5315")), // G
new BigInteger("8CB91E82A3386D280F5D6F7E50E641DF152F7109ED5456B31F166E6CAC0425A7CF3AB6AF6B7FC3103B883202E9046565", 16), //n
new BigInteger("01", 16)); // h
}
/**
* we Generate a self signed certificate for the sake of testing - SHA224withECDSA
*/
private void createECCert(
string algorithm,
DerObjectIdentifier algOid)
{
FpCurve curve = new FpCurve(
new BigInteger("6864797660130609714981900799081393217269435300143305409394463459185543183397656052122559640661454554977296311391480858037121987999716643812574028291115057151"), // q (or p)
new BigInteger("01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC", 16), // a
new BigInteger("0051953EB9618E1C9A1F929A21A0B68540EEA2DA725B99B315F3B8B489918EF109E156193951EC7E937B1652C0BD3BB1BF073573DF883D2C34F1EF451FD46B503F00", 16)); // b
ECDomainParameters spec = new ECDomainParameters(
curve,
// curve.DecodePoint(Hex.Decode("02C6858E06B70404E9CD9E3ECB662395B4429C648139053FB521F828AF606B4D3DBAA14B5E77EFE75928FE1DC127A2FFA8DE3348B3C1856A429BF97E7E31C2E5BD66")), // G
curve.DecodePoint(Hex.Decode("0200C6858E06B70404E9CD9E3ECB662395B4429C648139053FB521F828AF606B4D3DBAA14B5E77EFE75928FE1DC127A2FFA8DE3348B3C1856A429BF97E7E31C2E5BD66")), // G
new BigInteger("01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFA51868783BF2F966B7FCC0148F709A5D03BB5C9B8899C47AEBB6FB71E91386409", 16)); // n
ECPrivateKeyParameters privKey = new ECPrivateKeyParameters(
"ECDSA",
new BigInteger("5769183828869504557786041598510887460263120754767955773309066354712783118202294874205844512909370791582896372147797293913785865682804434049019366394746072023"), // d
spec);
ECPublicKeyParameters pubKey = new ECPublicKeyParameters(
"ECDSA",
// curve.DecodePoint(Hex.Decode("026BFDD2C9278B63C92D6624F151C9D7A822CC75BD983B17D25D74C26740380022D3D8FAF304781E416175EADF4ED6E2B47142D2454A7AC7801DD803CF44A4D1F0AC")), // Q
curve.DecodePoint(Hex.Decode("02006BFDD2C9278B63C92D6624F151C9D7A822CC75BD983B17D25D74C26740380022D3D8FAF304781E416175EADF4ED6E2B47142D2454A7AC7801DD803CF44A4D1F0AC")), // Q
spec);
// //
// // set up the keys
// //
// AsymmetricKeyParameter privKey;
// AsymmetricKeyParameter pubKey;
//
// KeyFactory fact = KeyFactory.GetInstance("ECDSA");
//
// privKey = fact.generatePrivate(privKeySpec);
// pubKey = fact.generatePublic(pubKeySpec);
//
// distinguished name table.
//
IDictionary attrs = new Hashtable();
IList order = new ArrayList();
attrs.Add(X509Name.C, "AU");
attrs.Add(X509Name.O, "The Legion of the Bouncy Castle");
attrs.Add(X509Name.L, "Melbourne");
attrs.Add(X509Name.ST, "Victoria");
attrs.Add(X509Name.E, "*****@*****.**");
order.Add(X509Name.C);
order.Add(X509Name.O);
order.Add(X509Name.L);
order.Add(X509Name.ST);
order.Add(X509Name.E);
//
// create the certificate - version 3
//
X509V3CertificateGenerator certGen = new X509V3CertificateGenerator();
certGen.SetSerialNumber(BigInteger.One);
certGen.SetIssuerDN(new X509Name(order, attrs));
certGen.SetNotBefore(DateTime.UtcNow.AddSeconds(-50));
certGen.SetNotAfter(DateTime.UtcNow.AddSeconds(50));
certGen.SetSubjectDN(new X509Name(order, attrs));
certGen.SetPublicKey(pubKey);
certGen.SetSignatureAlgorithm(algorithm);
X509Certificate cert = certGen.Generate(privKey);
cert.CheckValidity(DateTime.UtcNow);
cert.Verify(pubKey);
X509CertificateParser fact = new X509CertificateParser();
cert = fact.ReadCertificate(cert.GetEncoded());
//
// try with point compression turned off
//
// ((ECPointEncoder)pubKey).setPointFormat("UNCOMPRESSED");
ECPoint q = pubKey.Q.Normalize();
pubKey = new ECPublicKeyParameters(
pubKey.AlgorithmName,
q.Curve.CreatePoint(q.XCoord.ToBigInteger(), q.YCoord.ToBigInteger()),
pubKey.Parameters);
certGen.SetPublicKey(pubKey);
cert = certGen.Generate(privKey);
cert.CheckValidity(DateTime.UtcNow);
cert.Verify(pubKey);
cert = fact.ReadCertificate(cert.GetEncoded());
if (!cert.SigAlgOid.Equals(algOid.ToString()))
{
Fail("ECDSA oid incorrect.");
}
if (cert.GetSigAlgParams() != null)
{
Fail("sig parameters present");
}
ISigner sig = SignerUtilities.GetSigner(algorithm);
sig.Init(false, pubKey);
byte[] b = cert.GetTbsCertificate();
sig.BlockUpdate(b, 0, b.Length);
if (!sig.VerifySignature(cert.GetSignature()))
{
Fail("EC certificate signature not mapped correctly.");
}
// Console.WriteLine(cert);
}
protected override X9ECParameters CreateParameters()
{
ECCurve curve = new FpCurve(
//new BigInteger("15F75CAF668077F7E85B42EB01F0A81FF56ECD6191D55CB82B7D861458A18FEFC3E5AB7496F3C7B1") //Z
new BigInteger("D35E472036BC4FB7E13C785ED201E065F98FCFA6F6F40DEF4F92B9EC7893EC28FCD412B1F1B32E27", 16), // q
new BigInteger("D35E472036BC4FB7E13C785ED201E065F98FCFA6F6F40DEF4F92B9EC7893EC28FCD412B1F1B32E24", 16), // a'
new BigInteger("A7F561E038EB1ED560B3D147DB782013064C19F27ED27C6780AAF77FB8A547CEB5B4FEF422340353", 16)); // b'
return new X9ECParameters(
curve,
curve.DecodePoint(Hex.Decode("04925BE9FB01AFC6FB4D3E7D4990010F813408AB106C4F09CB7EE07868CC136FFF3357F624A21BED5263BA3A7A27483EBF6671DBEF7ABB30EBEE084E58A0B077AD42A5A0989D1EE71B1B9BC0455FB0D2C3")), // G'
new BigInteger("D35E472036BC4FB7E13C785ED201E065F98FCFA5B68F12A32D482EC7EE8658E98691555B44C59311", 16), //n
new BigInteger("01", 16)); // h
}
protected override X9ECParameters CreateParameters()
{
ECCurve curve = new FpCurve(
new BigInteger("D35E472036BC4FB7E13C785ED201E065F98FCFA6F6F40DEF4F92B9EC7893EC28FCD412B1F1B32E27", 16), // q
new BigInteger("3EE30B568FBAB0F883CCEBD46D3F3BB8A2A73513F5EB79DA66190EB085FFA9F492F375A97D860EB4", 16), // a
new BigInteger("520883949DFDBC42D3AD198640688A6FE13F41349554B49ACC31DCCD884539816F5EB4AC8FB1F1A6", 16)); // b
return new X9ECParameters(
curve,
curve.DecodePoint(Hex.Decode("0443BD7E9AFB53D8B85289BCC48EE5BFE6F20137D10A087EB6E7871E2A10A599C710AF8D0D39E2061114FDD05545EC1CC8AB4093247F77275E0743FFED117182EAA9C77877AAAC6AC7D35245D1692E8EE1")), // G
new BigInteger("D35E472036BC4FB7E13C785ED201E065F98FCFA5B68F12A32D482EC7EE8658E98691555B44C59311", 16), //n
new BigInteger("01", 16)); // h
}
protected override X9ECParameters CreateParameters()
{
ECCurve curve = new FpCurve(
//new BigInteger("1B6F5CC8DB4DC7AF19458A9CB80DC2295E5EB9C3732104CB") //Z
new BigInteger("C302F41D932A36CDA7A3463093D18DB78FCE476DE1A86297", 16), // q
new BigInteger("C302F41D932A36CDA7A3463093D18DB78FCE476DE1A86294", 16), // a'
new BigInteger("13D56FFAEC78681E68F9DEB43B35BEC2FB68542E27897B79", 16)); // b'
return new X9ECParameters(
curve,
curve.DecodePoint(Hex.Decode("043AE9E58C82F63C30282E1FE7BBF43FA72C446AF6F4618129097E2C5667C2223A902AB5CA449D0084B7E5B3DE7CCC01C9")), // G'
new BigInteger("C302F41D932A36CDA7A3462F9E9E916B5BE8F1029AC4ACC1", 16), //n
new BigInteger("01", 16)); // h
}
protected override X9ECParameters CreateParameters()
{
ECCurve curve = new FpCurve(
//new BigInteger("2DF271E14427A346910CF7A2E6CFA7B3F484E5C2CCE1C8B730E28B3F") //Z
new BigInteger("D7C134AA264366862A18302575D1D787B09F075797DA89F57EC8C0FF", 16), // q
new BigInteger("D7C134AA264366862A18302575D1D787B09F075797DA89F57EC8C0FC", 16), // a'
new BigInteger("4B337D934104CD7BEF271BF60CED1ED20DA14C08B3BB64F18A60888D", 16)); // b'
return new X9ECParameters(
curve,
curve.DecodePoint(Hex.Decode("046AB1E344CE25FF3896424E7FFE14762ECB49F8928AC0C76029B4D5800374E9F5143E568CD23F3F4D7C0D4B1E41C8CC0D1C6ABD5F1A46DB4C")), // G'
new BigInteger("D7C134AA264366862A18302575D0FB98D116BC4B6DDEBCA3A5A7939F", 16), //n
new BigInteger("01", 16)); // h
}
/**
* we Generate a self signed certificate for the sake of testing - ECDSA
*/
internal void checkCreation3()
{
ECCurve curve = new FpCurve(
new BigInteger("883423532389192164791648750360308885314476597252960362792450860609699839"), // q
new BigInteger("7fffffffffffffffffffffff7fffffffffff8000000000007ffffffffffc", 16), // a
new BigInteger("6b016c3bdcf18941d0d654921475ca71a9db2fb27d1d37796185c2942c0a", 16)); // b
ECDomainParameters spec = new ECDomainParameters(
curve,
curve.DecodePoint(Hex.Decode("020ffa963cdca8816ccc33b8642bedf905c3d358573d3f27fbbd3b3cb9aaaf")), // G
new BigInteger("883423532389192164791648750360308884807550341691627752275345424702807307")); // n
ECPrivateKeyParameters privKey = new ECPrivateKeyParameters(
"ECDSA",
new BigInteger("876300101507107567501066130761671078357010671067781776716671676178726717"), // d
spec);
ECPublicKeyParameters pubKey = new ECPublicKeyParameters(
"ECDSA",
curve.DecodePoint(Hex.Decode("025b6dc53bc61a2548ffb0f671472de6c9521a9d2d2534e65abfcbd5fe0c70")), // Q
spec);
//
// set up the keys
//
// AsymmetricKeyParameter privKey;
// AsymmetricKeyParameter pubKey;
//
// try
// {
// KeyFactory fact = KeyFactory.GetInstance("ECDSA");
//
// privKey = fact.generatePrivate(privKeySpec);
// pubKey = fact.generatePublic(pubKeySpec);
// }
// catch (Exception e)
// {
// Fail("error setting up keys - " + e.ToString());
// return;
// }
//
// distinguished name table.
//
IDictionary attrs = new Hashtable();
IList order = new ArrayList();
attrs.Add(X509Name.C, "AU");
attrs.Add(X509Name.O, "The Legion of the Bouncy Castle");
attrs.Add(X509Name.L, "Melbourne");
attrs.Add(X509Name.ST, "Victoria");
attrs.Add(X509Name.E, "*****@*****.**");
order.Add(X509Name.C);
order.Add(X509Name.O);
order.Add(X509Name.L);
order.Add(X509Name.ST);
order.Add(X509Name.E);
//
// ToString test
//
X509Name p = new X509Name(order, attrs);
string s = p.ToString();
if (!s.Equals("C=AU,O=The Legion of the Bouncy Castle,L=Melbourne,ST=Victoria,[email protected]"))
{
Fail("ordered X509Principal test failed - s = " + s + ".");
}
//
// create the certificate - version 3
//
X509V3CertificateGenerator certGen = new X509V3CertificateGenerator();
certGen.SetSerialNumber(BigInteger.One);
certGen.SetIssuerDN(new X509Name(order, attrs));
certGen.SetNotBefore(DateTime.UtcNow.AddSeconds(-50));
certGen.SetNotAfter(DateTime.UtcNow.AddSeconds(50));
certGen.SetSubjectDN(new X509Name(order, attrs));
certGen.SetPublicKey(pubKey);
certGen.SetSignatureAlgorithm("SHA1withECDSA");
try
{
X509Certificate cert = certGen.Generate(privKey);
cert.CheckValidity(DateTime.UtcNow);
cert.Verify(pubKey);
X509CertificateParser fact = new X509CertificateParser();
cert = fact.ReadCertificate(cert.GetEncoded());
//
// try with point compression turned off
//
// ((ECPointEncoder)pubKey).setPointFormat("UNCOMPRESSED");
ECPoint q = pubKey.Q.Normalize();
pubKey = new ECPublicKeyParameters(
pubKey.AlgorithmName,
q.Curve.CreatePoint(q.XCoord.ToBigInteger(), q.YCoord.ToBigInteger()),
pubKey.Parameters);
certGen.SetPublicKey(pubKey);
cert = certGen.Generate(privKey);
cert.CheckValidity(DateTime.UtcNow);
cert.Verify(pubKey);
cert = fact.ReadCertificate(cert.GetEncoded());
// Console.WriteLine(cert);
}
catch (Exception e)
{
Fail("error setting generating cert - " + e.ToString());
}
X509Name pr = new X509Name("O=\"The Bouncy Castle, The Legion of\",[email protected],ST=Victoria,L=Melbourne,C=AU");
if (!pr.ToString().Equals("O=The Bouncy Castle\\, The Legion of,[email protected],ST=Victoria,L=Melbourne,C=AU"))
{
Fail("string based X509Principal test failed.");
}
pr = new X509Name("O=The Bouncy Castle\\, The Legion of,[email protected],ST=Victoria,L=Melbourne,C=AU");
if (!pr.ToString().Equals("O=The Bouncy Castle\\, The Legion of,[email protected],ST=Victoria,L=Melbourne,C=AU"))
{
Fail("string based X509Principal test failed.");
}
}
protected override X9ECParameters CreateParameters()
{
ECCurve curve = new FpCurve(
new BigInteger("A9FB57DBA1EEA9BC3E660A909D838D726E3BF623D52620282013481D1F6E5377", 16), // q
new BigInteger("7D5A0975FC2C3057EEF67530417AFFE7FB8055C126DC5C6CE94A4B44F330B5D9", 16), // a
new BigInteger("26DC5C6CE94A4B44F330B5D9BBD77CBF958416295CF7E1CE6BCCDC18FF8C07B6", 16)); // b
return new X9ECParameters(
curve,
curve.DecodePoint(Hex.Decode("048BD2AEB9CB7E57CB2C4B482FFC81B7AFB9DE27E1E3BD23C23A4453BD9ACE3262547EF835C3DAC4FD97F8461A14611DC9C27745132DED8E545C1D54C72F046997")), // G
new BigInteger("A9FB57DBA1EEA9BC3E660A909D838D718C397AA3B561A6F7901E0E82974856A7", 16), //n
new BigInteger("01", 16)); // h
}
private void StaticTest()
{
FpCurve curve = new FpCurve(
new BigInteger("6277101735386680763835789423207666416083908700390324961279"), // q
new BigInteger("fffffffffffffffffffffffffffffffefffffffffffffffc", 16), // a
new BigInteger("64210519e59c80e70fa7e9ab72243049feb8deecc146b9b1", 16)); // b
ECDomainParameters parameters = new ECDomainParameters(
curve,
curve.DecodePoint(Hex.Decode("03188da80eb03090f67cbf20eb43a18800f4ff0afd82ff1012")), // G
new BigInteger("6277101735386680763835789423176059013767194773182842284081")); // n
ECPrivateKeyParameters priKey = new ECPrivateKeyParameters(
"ECDH",
new BigInteger("651056770906015076056810763456358567190100156695615665659"), // d
parameters);
ECPublicKeyParameters pubKey = new ECPublicKeyParameters(
"ECDH",
curve.DecodePoint(Hex.Decode("0262b12d60690cdcf330babab6e69763b471f994dd702d16a5")), // Q
parameters);
AsymmetricCipherKeyPair p1 = new AsymmetricCipherKeyPair(pubKey, priKey);
AsymmetricCipherKeyPair p2 = new AsymmetricCipherKeyPair(pubKey, priKey);
//
// stream test
//
IesEngine i1 = new IesEngine(
new ECDHBasicAgreement(),
new Kdf2BytesGenerator(new Sha1Digest()),
new HMac(new Sha1Digest()));
IesEngine i2 = new IesEngine(
new ECDHBasicAgreement(),
new Kdf2BytesGenerator(new Sha1Digest()),
new HMac(new Sha1Digest()));
byte[] d = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8 };
byte[] e = new byte[] { 8, 7, 6, 5, 4, 3, 2, 1 };
IesParameters p = new IesParameters(d, e, 64);
i1.Init(true, p1.Private, p2.Public, p);
i2.Init(false, p2.Private, p1.Public, p);
byte[] message = Hex.Decode("1234567890abcdef");
byte[] out1 = i1.ProcessBlock(message, 0, message.Length);
if (!AreEqual(out1, Hex.Decode("468d89877e8238802403ec4cb6b329faeccfa6f3a730f2cdb3c0a8e8")))
{
Fail("stream cipher test failed on enc");
}
byte[] out2 = i2.ProcessBlock(out1, 0, out1.Length);
if (!AreEqual(out2, message))
{
Fail("stream cipher test failed");
}
//
// twofish with CBC
//
BufferedBlockCipher c1 = new PaddedBufferedBlockCipher(
new CbcBlockCipher(new TwofishEngine()));
BufferedBlockCipher c2 = new PaddedBufferedBlockCipher(
new CbcBlockCipher(new TwofishEngine()));
i1 = new IesEngine(
new ECDHBasicAgreement(),
new Kdf2BytesGenerator(new Sha1Digest()),
new HMac(new Sha1Digest()),
c1);
i2 = new IesEngine(
new ECDHBasicAgreement(),
new Kdf2BytesGenerator(new Sha1Digest()),
new HMac(new Sha1Digest()),
c2);
d = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8 };
e = new byte[] { 8, 7, 6, 5, 4, 3, 2, 1 };
p = new IesWithCipherParameters(d, e, 64, 128);
i1.Init(true, p1.Private, p2.Public, p);
i2.Init(false, p2.Private, p1.Public, p);
message = Hex.Decode("1234567890abcdef");
out1 = i1.ProcessBlock(message, 0, message.Length);
if (!AreEqual(out1, Hex.Decode("b8a06ea5c2b9df28b58a0a90a734cde8c9c02903e5c220021fe4417410d1e53a32a71696")))
{
Fail("twofish cipher test failed on enc");
}
out2 = i2.ProcessBlock(out1, 0, out1.Length);
if (!AreEqual(out2, message))
{
Fail("twofish cipher test failed");
}
}
protected override X9ECParameters CreateParameters()
{
ECCurve curve = new FpCurve(
//new BigInteger("3E2D4BD9597B58639AE7AA669CAB9837CF5CF20A2C852D10F655668DFC150EF0") //Z
new BigInteger("A9FB57DBA1EEA9BC3E660A909D838D726E3BF623D52620282013481D1F6E5377", 16), // q
new BigInteger("A9FB57DBA1EEA9BC3E660A909D838D726E3BF623D52620282013481D1F6E5374", 16), // a'
new BigInteger("662C61C430D84EA4FE66A7733D0B76B7BF93EBC4AF2F49256AE58101FEE92B04", 16)); // b'
return new X9ECParameters(
curve,
curve.DecodePoint(Hex.Decode("04A3E8EB3CC1CFE7B7732213B23A656149AFA142C47AAFBC2B79A191562E1305F42D996C823439C56D7F7B22E14644417E69BCB6DE39D027001DABE8F35B25C9BE")), // G'
new BigInteger("A9FB57DBA1EEA9BC3E660A909D838D718C397AA3B561A6F7901E0E82974856A7", 16), //n
new BigInteger("01", 16)); // h
}