public X9ECParameters( Asn1Sequence seq) { if (!(seq[0] is DerInteger) || !((DerInteger) seq[0]).Value.Equals(BigInteger.One)) { throw new ArgumentException("bad version in X9ECParameters"); } X9Curve x9c = new X9Curve( X9FieldID.GetInstance(seq[1]), Asn1Sequence.GetInstance(seq[2])); this.curve = x9c.Curve; object p = seq[3]; if (p is X9ECPoint) { this.g = ((X9ECPoint)p); } else { this.g = new X9ECPoint(curve, (Asn1OctetString)p); } this.n = ((DerInteger)seq[4]).Value; this.seed = x9c.GetSeed(); if (seq.Count == 6) { this.h = ((DerInteger)seq[5]).Value; } }
public X9ECParameters( ECCurve curve, X9ECPoint g, BigInteger n, BigInteger h) : this(curve, g, n, h, null) { }
private void EncodePrivateKey() { X9ECParameters ecP = X962NamedCurves.GetByOid(X9ObjectIdentifiers.Prime239v3); // // named curve // X962Parameters _params = new X962Parameters(X9ObjectIdentifiers.Prime192v1); X9ECPoint pPoint = new X9ECPoint( new FpPoint(ecP.Curve, new FpFieldElement(BigInteger.Two, BigInteger.One), new FpFieldElement(BigInteger.ValueOf(4), BigInteger.ValueOf(3)), true)); Asn1OctetString p = (Asn1OctetString) pPoint.ToAsn1Object(); if (p == null) Fail("failed to convert to ASN.1"); PrivateKeyInfo info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.IdECPublicKey, _params), new ECPrivateKeyStructure(BigInteger.Ten).ToAsn1Object()); if (!Arrays.AreEqual(info.GetEncoded(), namedPriv)) { Fail("failed private named generation"); } Asn1Object o = Asn1Object.FromByteArray(namedPriv); if (!info.Equals(o)) { Fail("failed private named equality"); } // // explicit curve parameters // _params = new X962Parameters(ecP); info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.IdECPublicKey, _params), new ECPrivateKeyStructure(BigInteger.ValueOf(20)).ToAsn1Object()); if (!Arrays.AreEqual(info.GetEncoded(), expPriv)) { Fail("failed private explicit generation"); } o = Asn1Object.FromByteArray(expPriv); if (!info.Equals(o)) { Fail("failed private explicit equality"); } }
protected override X9ECParameters CreateParameters() { BigInteger p = FromHex("F1FD178C0B3AD58F10126DE8CE42435B3961ADBCABC8CA6DE8FCF353D86E9C03"); BigInteger a = FromHex("F1FD178C0B3AD58F10126DE8CE42435B3961ADBCABC8CA6DE8FCF353D86E9C00"); BigInteger b = FromHex("EE353FCA5428A9300D4ABA754A44C00FDFEC0C9AE4B1A1803075ED967B7BB73F"); byte[] S = null; BigInteger n = FromHex("F1FD178C0B3AD58F10126DE8CE42435B53DC67E140D2BF941FFDD459C6D655E1"); BigInteger h = BigInteger.One; ECCurve curve = ConfigureCurve(new FpCurve(p, a, b, n, h)); X9ECPoint G = new X9ECPoint(curve, Hex.Decode("04" + "B6B3D4C356C139EB31183D4749D423958C27D2DCAF98B70164C97A2DD98F5CFF" + "6142E0F7C8B204911F9271F0F3ECEF8C2701C307E8E4C9E183115A1554062CFB")); 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.One; ECCurve curve = ConfigureCurve(new FpCurve(p, a, b, n, h)); X9ECPoint G = new X9ECPoint(curve, Hex.Decode("04" + "09487239995A5EE76B55F9C2F098" + "A89CE5AF8724C0A23E0E0FF77500")); return new X9ECParameters(curve, G, n, h, S); }
protected override X9ECParameters CreateParameters() { byte[] S = null; ECCurve curve = ConfigureCurve(new Curve25519()); /* * NOTE: Curve25519 was specified in Montgomery form. Rewriting in Weierstrass form * involves substitution of variables, so the base-point x coordinate is 9 + (486662 / 3). * * The Curve25519 paper doesn't say which of the two possible y values the base * point has. The choice here is guided by language in the Ed25519 paper. * * (The other possible y value is 5F51E65E475F794B1FE122D388B72EB36DC2B28192839E4DD6163A5D81312C14) */ X9ECPoint G = new X9ECPoint(curve, Hex.Decode("04" + "2AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD245A" + "20AE19A1B8A086B4E01EDD2C7748D14C923D4D7E6D7C61B229E9C5A27ECED3D9")); return new X9ECParameters(curve, G, curve.Order, curve.Cofactor, S); }
public X9ECParameters( ECCurve curve, X9ECPoint g, BigInteger n, BigInteger h, byte[] seed) { this.curve = curve; this.g = g; this.n = n; this.h = h; this.seed = seed; if (ECAlgorithms.IsFpCurve(curve)) { this.fieldID = new X9FieldID(curve.Field.Characteristic); } else if (ECAlgorithms.IsF2mCurve(curve)) { IPolynomialExtensionField field = (IPolynomialExtensionField)curve.Field; int[] exponents = field.MinimalPolynomial.GetExponentsPresent(); if (exponents.Length == 3) { this.fieldID = new X9FieldID(exponents[2], exponents[1]); } else if (exponents.Length == 5) { this.fieldID = new X9FieldID(exponents[4], exponents[1], exponents[2], exponents[3]); } else { throw new ArgumentException("Only trinomial and pentomial curves are supported"); } } else { throw new ArgumentException("'curve' is of an unsupported type"); } }
protected override X9ECParameters CreateParameters() { BigInteger a = BigInteger.One; BigInteger b = FromHex("0066647EDE6C332C7F8C0923BB58213B333B20E9CE4281FE115F7D8F90AD"); byte[] S = Hex.Decode("74D59FF07F6B413D0EA14B344B20A2DB049B50C3"); BigInteger n = FromHex("01000000000000000000000000000013E974E72F8A6922031D2603CFE0D7"); BigInteger h = BigInteger.ValueOf(2); ECCurve curve = new F2mCurve(m, k, a, b, n, h); X9ECPoint G = new X9ECPoint(curve, Hex.Decode("04" + "00FAC9DFCBAC8313BB2139F1BB755FEF65BC391F8B36F8F8EB7371FD558B" + "01006A08A41903350678E58528BEBF8A0BEFF867A7CA36716F7E01F81052")); return new X9ECParameters(curve, G, n, h, S); }
protected override X9ECParameters CreateParameters() { BigInteger a = BigInteger.Zero; BigInteger b = BigInteger.One; byte[] S = null; BigInteger n = FromHex("8000000000000000000000000000069D5BB915BCD46EFB1AD5F173ABDF"); BigInteger h = BigInteger.ValueOf(4); ECCurve curve = new F2mCurve(m, k, a, b, n, h); X9ECPoint G = new X9ECPoint(curve, Hex.Decode("04" + "017232BA853A7E731AF129F22FF4149563A419C26BF50A4C9D6EEFAD6126" + "01DB537DECE819B7F70F555A67C427A8CD9BF18AEB9B56E0C11056FAE6A3")); return new X9ECParameters(curve, G, n, h, S); }
protected override X9ECParameters CreateParameters() { BigInteger a = FromHex("0163F35A5137C2CE3EA6ED8667190B0BC43ECD69977702709B"); BigInteger b = FromHex("00C9BB9E8927D4D64C377E2AB2856A5B16E3EFB7F61D4316AE"); byte[] S = Hex.Decode("10B7B4D696E676875615175137C8A16FD0DA2211"); BigInteger n = FromHex("010000000000000000000000015AAB561B005413CCD4EE99D5"); BigInteger h = BigInteger.ValueOf(2); ECCurve curve = new F2mCurve(m, k, a, b, n, h); X9ECPoint G = new X9ECPoint(curve, Hex.Decode("04" + "00D9B67D192E0367C803F39E1A7E82CA14A651350AAE617E8F" + "01CE94335607C304AC29E7DEFBD9CA01F596F927224CDECF6C")); return new X9ECParameters(curve, G, n, h, S); }
protected override X9ECParameters CreateParameters() { // p = 2^256 - 2^32 - 2^9 - 2^8 - 2^7 - 2^6 - 2^4 - 1 BigInteger p = FromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F"); BigInteger a = BigInteger.Zero; BigInteger b = BigInteger.ValueOf(7); byte[] S = null; BigInteger n = FromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141"); BigInteger h = BigInteger.One; GlvTypeBParameters glv = new GlvTypeBParameters( new BigInteger("7ae96a2b657c07106e64479eac3434e99cf0497512f58995c1396c28719501ee", 16), new BigInteger("5363ad4cc05c30e0a5261c028812645a122e22ea20816678df02967c1b23bd72", 16), new BigInteger[]{ new BigInteger("3086d221a7d46bcde86c90e49284eb15", 16), new BigInteger("-e4437ed6010e88286f547fa90abfe4c3", 16) }, new BigInteger[]{ new BigInteger("114ca50f7a8e2f3f657c1108d9d44cfd8", 16), new BigInteger("3086d221a7d46bcde86c90e49284eb15", 16) }, new BigInteger("3086d221a7d46bcde86c90e49284eb153dab", 16), new BigInteger("e4437ed6010e88286f547fa90abfe4c42212", 16), 272); ECCurve curve = ConfigureCurveGlv(new FpCurve(p, a, b, n, h), glv); X9ECPoint G = new X9ECPoint(curve, Hex.Decode("04" + "79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798" + "483ADA7726A3C4655DA4FBFC0E1108A8FD17B448A68554199C47D08FFB10D4B8")); return new X9ECParameters(curve, G, n, h, S); }
private void EncodePublicKey() { X9ECParameters ecP = X962NamedCurves.GetByOid(X9ObjectIdentifiers.Prime239v3); if (X9IntegerConverter.GetByteLength(ecP.Curve) != 30) { Fail("wrong byte length reported for curve"); } if (ecP.Curve.FieldSize != 239) { Fail("wrong field size reported for curve"); } // // named curve // X962Parameters _params = new X962Parameters(X9ObjectIdentifiers.Prime192v1); X9ECPoint pPoint = new X9ECPoint( new FpPoint(ecP.Curve, new FpFieldElement(BigInteger.Two, BigInteger.One), new FpFieldElement(BigInteger.ValueOf(4), BigInteger.ValueOf(3)), true)); Asn1OctetString p = (Asn1OctetString) pPoint.ToAsn1Object(); if (p == null) { Fail("failed to convert to ASN.1"); } SubjectPublicKeyInfo info = new SubjectPublicKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.IdECPublicKey, _params), p.GetOctets()); if (!Arrays.AreEqual(info.GetEncoded(), namedPub)) { Fail("failed public named generation"); } Asn1Object o = Asn1Object.FromByteArray(namedPub); if (!info.Equals(o)) { Fail("failed public named equality"); } // // explicit curve parameters // _params = new X962Parameters(ecP); info = new SubjectPublicKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.IdECPublicKey, _params), p.GetOctets()); if (!Arrays.AreEqual(info.GetEncoded(), expPub)) { Fail("failed public explicit generation"); } o = Asn1Object.FromByteArray(expPub); if (!info.Equals(o)) { Fail("failed public explicit equality"); } }
protected override X9ECParameters CreateParameters() { BigInteger a = BigInteger.One; BigInteger b = FromHex("0021A5C2C8EE9FEB5C4B9A753B7B476B7FD6422EF1F3DD674761FA99D6AC27C8A9A197B272822F6CD57A55AA4F50AE317B13545F"); byte[] S = Hex.Decode("4099B5A457F9D69F79213D094C4BCD4D4262210B"); BigInteger n = FromHex("010000000000000000000000000000000000000000000000000001E2AAD6A612F33307BE5FA47C3C9E052F838164CD37D9A21173"); BigInteger h = BigInteger.ValueOf(2); ECCurve curve = new F2mCurve(m, k, a, b, n, h); X9ECPoint G = new X9ECPoint(curve, Hex.Decode("04" + "015D4860D088DDB3496B0C6064756260441CDE4AF1771D4DB01FFE5B34E59703DC255A868A1180515603AEAB60794E54BB7996A7" + "0061B1CFAB6BE5F32BBFA78324ED106A7636B9C5A7BD198D0158AA4F5488D08F38514F1FDF4B4F40D2181B3681C364BA0273C706")); return new X9ECParameters(curve, G, n, h, S); }
protected override X9ECParameters CreateParameters() { BigInteger a = BigInteger.One; BigInteger b = FromHex("027B680AC8B8596DA5A4AF8A19A0303FCA97FD7645309FA2A581485AF6263E313B79A2F5"); byte[] S = Hex.Decode("77E2B07370EB0F832A6DD5B62DFC88CD06BB84BE"); BigInteger n = FromHex("03FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEF90399660FC938A90165B042A7CEFADB307"); BigInteger h = BigInteger.ValueOf(2); ECCurve curve = new F2mCurve(m, k1, k2, k3, a, b, n, h); X9ECPoint G = new X9ECPoint(curve, Hex.Decode("04" + "05F939258DB7DD90E1934F8C70B0DFEC2EED25B8557EAC9C80E2E198F8CDBECD86B12053" + "03676854FE24141CB98FE6D4B20D02B4516FF702350EDDB0826779C813F0DF45BE8112F4")); return new X9ECParameters(curve, G, n, h, S); }
protected override X9ECParameters CreateParameters() { BigInteger a = BigInteger.One; BigInteger b = BigInteger.One; byte[] S = null; BigInteger n = FromHex("04000000000000000000020108A2E0CC0D99F8A5EF"); BigInteger h = BigInteger.ValueOf(2); ECCurve curve = new F2mCurve(m, k1, k2, k3, a, b, n, h); X9ECPoint G = new X9ECPoint(curve, Hex.Decode("04" + "02FE13C0537BBC11ACAA07D793DE4E6D5E5C94EEE8" + "0289070FB05D38FF58321F2E800536D538CCDAA3D9")); return new X9ECParameters(curve, G, n, h, S); }
protected override X9ECParameters CreateParameters() { BigInteger a = FromHex("03E5A88919D7CAFCBF415F07C2176573B2"); BigInteger b = FromHex("04B8266A46C55657AC734CE38F018F2192"); byte[] S = Hex.Decode("985BD3ADBAD4D696E676875615175A21B43A97E3"); BigInteger n = FromHex("0400000000000000016954A233049BA98F"); BigInteger h = BigInteger.ValueOf(2); ECCurve curve = new F2mCurve(m, k1, k2, k3, a, b, n, h); X9ECPoint G = new X9ECPoint(curve, Hex.Decode("04" + "0356DCD8F2F95031AD652D23951BB366A8" + "0648F06D867940A5366D9E265DE9EB240F")); return new X9ECParameters(curve, G, n, h, S); }
protected override X9ECParameters CreateParameters() { BigInteger a = FromHex("07A11B09A76B562144418FF3FF8C2570B8"); BigInteger b = FromHex("0217C05610884B63B9C6C7291678F9D341"); byte[] S = Hex.Decode("4D696E676875615175985BD3ADBADA21B43A97E2"); BigInteger n = FromHex("0400000000000000023123953A9464B54D"); BigInteger h = BigInteger.ValueOf(2); ECCurve curve = new F2mCurve(m, k1, k2, k3, a, b, n, h); X9ECPoint G = new X9ECPoint(curve, Hex.Decode("04" + "0081BAF91FDF9833C40F9C181343638399" + "078C6E7EA38C001F73C8134B1B4EF9E150")); return new X9ECParameters(curve, G, n, h, S); }
protected override X9ECParameters CreateParameters() { BigInteger a = FromHex("00689918DBEC7E5A0DD6DFC0AA55C7"); BigInteger b = FromHex("0095E9A9EC9B297BD4BF36E059184F"); byte[] S = Hex.Decode("10C0FB15760860DEF1EEF4D696E676875615175D"); BigInteger n = FromHex("010000000000000108789B2496AF93"); BigInteger h = BigInteger.ValueOf(2); ECCurve curve = new F2mCurve(m, k, a, b, n, h); X9ECPoint G = new X9ECPoint(curve, Hex.Decode("04" + "01A57A6A7B26CA5EF52FCDB8164797" + "00B3ADC94ED1FE674C06E695BABA1D")); return new X9ECParameters(curve, G, n, h, S); }
protected override X9ECParameters CreateParameters() { BigInteger a = FromHex("003088250CA6E7C7FE649CE85820F7"); BigInteger b = FromHex("00E8BEE4D3E2260744188BE0E9C723"); byte[] S = Hex.Decode("10E723AB14D696E6768756151756FEBF8FCB49A9"); BigInteger n = FromHex("0100000000000000D9CCEC8A39E56F"); BigInteger h = BigInteger.ValueOf(2); ECCurve curve = new F2mCurve(m, k, a, b, n, h); X9ECPoint G = new X9ECPoint(curve, Hex.Decode("04" + "009D73616F35F4AB1407D73562C10F" + "00A52830277958EE84D1315ED31886")); return new X9ECParameters(curve, G, n, h, S); }
protected override X9ECParameters CreateParameters() { // p = 2^521 - 1 BigInteger p = FromHex("01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"); BigInteger a = FromHex("01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC"); BigInteger b = FromHex("0051953EB9618E1C9A1F929A21A0B68540EEA2DA725B99B315F3B8B489918EF109E156193951EC7E937B1652C0BD3BB1BF073573DF883D2C34F1EF451FD46B503F00"); byte[] S = Hex.Decode("D09E8800291CB85396CC6717393284AAA0DA64BA"); BigInteger n = FromHex("01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFA51868783BF2F966B7FCC0148F709A5D03BB5C9B8899C47AEBB6FB71E91386409"); BigInteger h = BigInteger.One; ECCurve curve = ConfigureCurve(new FpCurve(p, a, b, n, h)); X9ECPoint G = new X9ECPoint(curve, Hex.Decode("04" + "00C6858E06B70404E9CD9E3ECB662395B4429C648139053FB521F828AF606B4D3DBAA14B5E77EFE75928FE1DC127A2FFA8DE3348B3C1856A429BF97E7E31C2E5BD66" + "011839296A789A3BC0045C8A5FB42C7D1BD998F54449579B446817AFBD17273E662C97EE72995EF42640C550B9013FAD0761353C7086A272C24088BE94769FD16650")); return new X9ECParameters(curve, G, n, h, S); }
protected override X9ECParameters CreateParameters() { // p = 2^384 - 2^128 - 2^96 + 2^32 - 1 BigInteger p = FromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFF"); BigInteger a = FromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFC"); BigInteger b = FromHex("B3312FA7E23EE7E4988E056BE3F82D19181D9C6EFE8141120314088F5013875AC656398D8A2ED19D2A85C8EDD3EC2AEF"); byte[] S = Hex.Decode("A335926AA319A27A1D00896A6773A4827ACDAC73"); BigInteger n = FromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC7634D81F4372DDF581A0DB248B0A77AECEC196ACCC52973"); BigInteger h = BigInteger.One; ECCurve curve = ConfigureCurve(new FpCurve(p, a, b, n, h)); X9ECPoint G = new X9ECPoint(curve, Hex.Decode("04" + "AA87CA22BE8B05378EB1C71EF320AD746E1D3B628BA79B9859F741E082542A385502F25DBF55296C3A545E3872760AB7" + "3617DE4A96262C6F5D9E98BF9292DC29F8F41DBD289A147CE9DA3113B5F0B8C00A60B1CE1D7E819D7A431D7C90EA0E5F")); return new X9ECParameters(curve, G, n, h, S); }
protected override X9ECParameters CreateParameters() { BigInteger a = BigInteger.Zero; BigInteger b = BigInteger.One; byte[] S = null; BigInteger n = FromHex("2000000000000000000000000000005A79FEC67CB6E91F1C1DA800E478A5"); BigInteger h = BigInteger.ValueOf(4); ECCurve curve = new F2mCurve(m, k, a, b, n, h); X9ECPoint G = new X9ECPoint(curve, Hex.Decode("04" + "29A0B6A887A983E9730988A68727A8B2D126C44CC2CC7B2A6555193035DC" + "76310804F12E549BDB011C103089E73510ACB275FC312A5DC6B76553F0CA")); return new X9ECParameters(curve, G, n, h, S); }
protected override X9ECParameters CreateParameters() { BigInteger a = BigInteger.Zero; BigInteger b = BigInteger.One; byte[] S = null; BigInteger n = FromHex("01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE9AE2ED07577265DFF7F94451E061E163C61"); BigInteger h = BigInteger.ValueOf(4); ECCurve curve = new F2mCurve(m, k1, k2, k3, a, b, n, h); X9ECPoint G = new X9ECPoint(curve, Hex.Decode("04" + "0503213F78CA44883F1A3B8162F188E553CD265F23C1567A16876913B0C2AC2458492836" + "01CCDA380F1C9E318D90F95D07E5426FE87E45C0E8184698E45962364E34116177DD2259")); return new X9ECParameters(curve, G, n, h, S); }
protected override X9ECParameters CreateParameters() { // p = 2^224 - 2^96 + 1 BigInteger p = FromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000000000000001"); BigInteger a = FromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFE"); BigInteger b = FromHex("B4050A850C04B3ABF54132565044B0B7D7BFD8BA270B39432355FFB4"); byte[] S = Hex.Decode("BD71344799D5C7FCDC45B59FA3B9AB8F6A948BC5"); BigInteger n = FromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFF16A2E0B8F03E13DD29455C5C2A3D"); BigInteger h = BigInteger.One; ECCurve curve = ConfigureCurve(new FpCurve(p, a, b, n, h)); X9ECPoint G = new X9ECPoint(curve, Hex.Decode("04" + "B70E0CBD6BB4BF7F321390B94A03C1D356C21122343280D6115C1D21" + "BD376388B5F723FB4C22DFE6CD4375A05A07476444D5819985007E34")); return new X9ECParameters(curve, G, n, h, S); }
protected override X9ECParameters CreateParameters() { BigInteger a = BigInteger.Zero; BigInteger b = BigInteger.One; byte[] S = null; BigInteger n = FromHex("7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE5F83B2D4EA20400EC4557D5ED3E3E7CA5B4B5C83B8E01E5FCF"); BigInteger h = BigInteger.ValueOf(4); ECCurve curve = new F2mCurve(m, k, a, b, n, h); X9ECPoint G = new X9ECPoint(curve, Hex.Decode("04" + "0060F05F658F49C1AD3AB1890F7184210EFD0987E307C84C27ACCFB8F9F67CC2C460189EB5AAAA62EE222EB1B35540CFE9023746" + "01E369050B7C4E42ACBA1DACBF04299C3460782F918EA427E6325165E9EA10E3DA5F6C42E9C55215AA9CA27A5863EC48D8E0286B")); return new X9ECParameters(curve, G, n, h, S); }
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 = ConfigureCurve(new FpCurve(p, a, b, n, h)); X9ECPoint G = new X9ECPoint(curve, Hex.Decode("04" + "4BA30AB5E892B4E1649DD0928643" + "ADCD46F5882E3747DEF36E956E97")); return new X9ECParameters(curve, G, n, h, S); }
public static AsymmetricKeyParameter CreateKey( SubjectPublicKeyInfo keyInfo) { AlgorithmIdentifier algID = keyInfo.AlgorithmID; DerObjectIdentifier algOid = algID.ObjectID; // TODO See RSAUtil.isRsaOid in Java build if (algOid.Equals(PkcsObjectIdentifiers.RsaEncryption) || algOid.Equals(X509ObjectIdentifiers.IdEARsa) || algOid.Equals(PkcsObjectIdentifiers.IdRsassaPss) || algOid.Equals(PkcsObjectIdentifiers.IdRsaesOaep)) { RsaPublicKeyStructure pubKey = RsaPublicKeyStructure.GetInstance( keyInfo.GetPublicKey()); return new RsaKeyParameters(false, pubKey.Modulus, pubKey.PublicExponent); } else if (algOid.Equals(X9ObjectIdentifiers.DHPublicNumber)) { Asn1Sequence seq = Asn1Sequence.GetInstance(algID.Parameters.ToAsn1Object()); DHPublicKey dhPublicKey = DHPublicKey.GetInstance(keyInfo.GetPublicKey()); BigInteger y = dhPublicKey.Y.Value; if (IsPkcsDHParam(seq)) return ReadPkcsDHParam(algOid, y, seq); DHDomainParameters dhParams = DHDomainParameters.GetInstance(seq); BigInteger p = dhParams.P.Value; BigInteger g = dhParams.G.Value; BigInteger q = dhParams.Q.Value; BigInteger j = null; if (dhParams.J != null) { j = dhParams.J.Value; } DHValidationParameters validation = null; DHValidationParms dhValidationParms = dhParams.ValidationParms; if (dhValidationParms != null) { byte[] seed = dhValidationParms.Seed.GetBytes(); BigInteger pgenCounter = dhValidationParms.PgenCounter.Value; // TODO Check pgenCounter size? validation = new DHValidationParameters(seed, pgenCounter.IntValue); } return new DHPublicKeyParameters(y, new DHParameters(p, g, q, j, validation)); } else if (algOid.Equals(PkcsObjectIdentifiers.DhKeyAgreement)) { Asn1Sequence seq = Asn1Sequence.GetInstance(algID.Parameters.ToAsn1Object()); DerInteger derY = (DerInteger) keyInfo.GetPublicKey(); return ReadPkcsDHParam(algOid, derY.Value, seq); } else if (algOid.Equals(OiwObjectIdentifiers.ElGamalAlgorithm)) { ElGamalParameter para = new ElGamalParameter( Asn1Sequence.GetInstance(algID.Parameters.ToAsn1Object())); DerInteger derY = (DerInteger) keyInfo.GetPublicKey(); return new ElGamalPublicKeyParameters( derY.Value, new ElGamalParameters(para.P, para.G)); } else if (algOid.Equals(X9ObjectIdentifiers.IdDsa) || algOid.Equals(OiwObjectIdentifiers.DsaWithSha1)) { DerInteger derY = (DerInteger) keyInfo.GetPublicKey(); Asn1Encodable ae = algID.Parameters; DsaParameters parameters = null; if (ae != null) { DsaParameter para = DsaParameter.GetInstance(ae.ToAsn1Object()); parameters = new DsaParameters(para.P, para.Q, para.G); } return new DsaPublicKeyParameters(derY.Value, parameters); } else if (algOid.Equals(X9ObjectIdentifiers.IdECPublicKey)) { X962Parameters para = new X962Parameters(algID.Parameters.ToAsn1Object()); X9ECParameters x9; if (para.IsNamedCurve) { x9 = ECKeyPairGenerator.FindECCurveByOid((DerObjectIdentifier)para.Parameters); } else { x9 = new X9ECParameters((Asn1Sequence)para.Parameters); } Asn1OctetString key = new DerOctetString(keyInfo.PublicKeyData.GetBytes()); X9ECPoint derQ = new X9ECPoint(x9.Curve, key); ECPoint q = derQ.Point; if (para.IsNamedCurve) { return new ECPublicKeyParameters("EC", q, (DerObjectIdentifier)para.Parameters); } ECDomainParameters dParams = new ECDomainParameters(x9.Curve, x9.G, x9.N, x9.H, x9.GetSeed()); return new ECPublicKeyParameters(q, dParams); } else if (algOid.Equals(CryptoProObjectIdentifiers.GostR3410x2001)) { Gost3410PublicKeyAlgParameters gostParams = new Gost3410PublicKeyAlgParameters( (Asn1Sequence) algID.Parameters); Asn1OctetString key; try { key = (Asn1OctetString) keyInfo.GetPublicKey(); } catch (IOException) { throw new ArgumentException("invalid info structure in GOST3410 public key"); } byte[] keyEnc = key.GetOctets(); byte[] x = new byte[32]; byte[] y = new byte[32]; for (int i = 0; i != y.Length; i++) { x[i] = keyEnc[32 - 1 - i]; } for (int i = 0; i != x.Length; i++) { y[i] = keyEnc[64 - 1 - i]; } ECDomainParameters ecP = ECGost3410NamedCurves.GetByOid(gostParams.PublicKeyParamSet); if (ecP == null) return null; ECPoint q = ecP.Curve.CreatePoint(new BigInteger(1, x), new BigInteger(1, y)); return new ECPublicKeyParameters("ECGOST3410", q, gostParams.PublicKeyParamSet); } else if (algOid.Equals(CryptoProObjectIdentifiers.GostR3410x94)) { Gost3410PublicKeyAlgParameters algParams = new Gost3410PublicKeyAlgParameters( (Asn1Sequence) algID.Parameters); DerOctetString derY; try { derY = (DerOctetString) keyInfo.GetPublicKey(); } catch (IOException) { throw new ArgumentException("invalid info structure in GOST3410 public key"); } byte[] keyEnc = derY.GetOctets(); byte[] keyBytes = new byte[keyEnc.Length]; for (int i = 0; i != keyEnc.Length; i++) { keyBytes[i] = keyEnc[keyEnc.Length - 1 - i]; // was little endian } BigInteger y = new BigInteger(1, keyBytes); return new Gost3410PublicKeyParameters(y, algParams.PublicKeyParamSet); } else { throw new SecurityUtilityException("algorithm identifier in key not recognised: " + algOid); } }
protected override X9ECParameters CreateParameters() { BigInteger a = FromHex("0017858FEB7A98975169E171F77B4087DE098AC8A911DF7B01"); BigInteger b = FromHex("00FDFB49BFE6C3A89FACADAA7A1E5BBC7CC1C2E5D831478814"); byte[] S = Hex.Decode("103FAEC74D696E676875615175777FC5B191EF30"); BigInteger n = FromHex("01000000000000000000000000C7F34A778F443ACC920EBA49"); BigInteger h = BigInteger.ValueOf(2); ECCurve curve = new F2mCurve(m, k, a, b, n, h); X9ECPoint G = new X9ECPoint(curve, Hex.Decode("04" + "01F481BC5F0FF84A74AD6CDF6FDEF4BF6179625372D8C0C5E1" + "0025E399F2903712CCF3EA9E3A1AD17FB0B3201B6AF7CE1B05")); return new X9ECParameters(curve, G, n, h, S); }
protected override X9ECParameters CreateParameters() { BigInteger a = FromHex("07B6882CAAEFA84F9554FF8428BD88E246D2782AE2"); BigInteger b = FromHex("0713612DCDDCB40AAB946BDA29CA91F73AF958AFD9"); byte[] S = Hex.Decode("24B7B137C8A14D696E6768756151756FD0DA2E5C"); BigInteger n = FromHex("03FFFFFFFFFFFFFFFFFFFF48AAB689C29CA710279B"); BigInteger h = BigInteger.ValueOf(2); ECCurve curve = new F2mCurve(m, k1, k2, k3, a, b, n, h); X9ECPoint G = new X9ECPoint(curve, Hex.Decode("04" + "0369979697AB43897789566789567F787A7876A654" + "00435EDB42EFAFB2989D51FEFCE3C80988F41FF883")); return new X9ECParameters(curve, G, n, h, S); }
protected override X9ECParameters CreateParameters() { // p = 2^224 (2^32 - 1) + 2^192 + 2^96 - 1 BigInteger p = FromHex("FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF"); BigInteger a = FromHex("FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFC"); BigInteger b = FromHex("5AC635D8AA3A93E7B3EBBD55769886BC651D06B0CC53B0F63BCE3C3E27D2604B"); byte[] S = Hex.Decode("C49D360886E704936A6678E1139D26B7819F7E90"); BigInteger n = FromHex("FFFFFFFF00000000FFFFFFFFFFFFFFFFBCE6FAADA7179E84F3B9CAC2FC632551"); BigInteger h = BigInteger.One; ECCurve curve = ConfigureCurve(new FpCurve(p, a, b, n, h)); X9ECPoint G = new X9ECPoint(curve, Hex.Decode("04" + "6B17D1F2E12C4247F8BCE6E563A440F277037D812DEB33A0F4A13945D898C296" + "4FE342E2FE1A7F9B8EE7EB4A7C0F9E162BCE33576B315ECECBB6406837BF51F5")); return new X9ECParameters(curve, G, n, h, S); }
public X9ECParameters(ECCurve curve, X9ECPoint g, BigInteger n, BigInteger h) : this(curve, g, n, h, null) { }
protected override X9ECParameters CreateParameters() { BigInteger a = BigInteger.One; BigInteger b = FromHex("020A601907B8C953CA1481EB10512F78744A3205FD"); byte[] S = Hex.Decode("85E25BFE5C86226CDB12016F7553F9D0E693A268"); BigInteger n = FromHex("040000000000000000000292FE77E70C12A4234C33"); BigInteger h = BigInteger.ValueOf(2); ECCurve curve = new F2mCurve(m, k1, k2, k3, a, b, n, h); X9ECPoint G = new X9ECPoint(curve, Hex.Decode("04" + "03F0EBA16286A2D57EA0991168D4994637E8343E36" + "00D51FBC6C71A0094FA2CDD545B11C5C0C797324F1")); return new X9ECParameters(curve, G, n, h, S); }