0001: package org.bouncycastle.asn1.sec;
0002:
0003: import org.bouncycastle.asn1.DERObjectIdentifier;
0004: import org.bouncycastle.asn1.x9.X9ECParameters;
0005: import org.bouncycastle.asn1.x9.X9ECParametersHolder;
0006: import org.bouncycastle.math.ec.ECCurve;
0007: import org.bouncycastle.math.ec.ECPoint;
0008: import org.bouncycastle.math.ec.ECConstants;
0009: import org.bouncycastle.util.Strings;
0010: import org.bouncycastle.util.encoders.Hex;
0011:
0012: import java.math.BigInteger;
0013: import java.util.Enumeration;
0014: import java.util.Hashtable;
0015:
0016: public class SECNamedCurves {
0017: private static BigInteger fromHex(String hex) {
0018: return new BigInteger(1, Hex.decode(hex));
0019: }
0020:
0021: /*
0022: * secp112r1
0023: */
0024: static X9ECParametersHolder secp112r1 = new X9ECParametersHolder() {
0025: protected X9ECParameters createParameters() {
0026: // p = (2^128 - 3) / 76439
0027: BigInteger p = fromHex("DB7C2ABF62E35E668076BEAD208B");
0028: BigInteger a = fromHex("DB7C2ABF62E35E668076BEAD2088");
0029: BigInteger b = fromHex("659EF8BA043916EEDE8911702B22");
0030: byte[] S = Hex
0031: .decode("00F50B028E4D696E676875615175290472783FB1");
0032: BigInteger n = fromHex("DB7C2ABF62E35E7628DFAC6561C5");
0033: BigInteger h = BigInteger.valueOf(1);
0034:
0035: ECCurve curve = new ECCurve.Fp(p, a, b);
0036: //ECPoint G = curve.decodePoint(Hex.decode("02"
0037: //+ "09487239995A5EE76B55F9C2F098"));
0038: ECPoint G = curve.decodePoint(Hex.decode("04"
0039: + "09487239995A5EE76B55F9C2F098"
0040: + "A89CE5AF8724C0A23E0E0FF77500"));
0041:
0042: return new X9ECParameters(curve, G, n, h, S);
0043: }
0044: };
0045:
0046: /*
0047: * secp112r2
0048: */
0049: static X9ECParametersHolder secp112r2 = new X9ECParametersHolder() {
0050: protected X9ECParameters createParameters() {
0051: // p = (2^128 - 3) / 76439
0052: BigInteger p = fromHex("DB7C2ABF62E35E668076BEAD208B");
0053: BigInteger a = fromHex("6127C24C05F38A0AAAF65C0EF02C");
0054: BigInteger b = fromHex("51DEF1815DB5ED74FCC34C85D709");
0055: byte[] S = Hex
0056: .decode("002757A1114D696E6768756151755316C05E0BD4");
0057: BigInteger n = fromHex("36DF0AAFD8B8D7597CA10520D04B");
0058: BigInteger h = BigInteger.valueOf(4);
0059:
0060: ECCurve curve = new ECCurve.Fp(p, a, b);
0061: //ECPoint G = curve.decodePoint(Hex.decode("03"
0062: //+ "4BA30AB5E892B4E1649DD0928643"));
0063: ECPoint G = curve.decodePoint(Hex.decode("04"
0064: + "4BA30AB5E892B4E1649DD0928643"
0065: + "ADCD46F5882E3747DEF36E956E97"));
0066:
0067: return new X9ECParameters(curve, G, n, h, S);
0068: }
0069: };
0070:
0071: /*
0072: * secp128r1
0073: */
0074: static X9ECParametersHolder secp128r1 = new X9ECParametersHolder() {
0075: protected X9ECParameters createParameters() {
0076: // p = 2^128 - 2^97 - 1
0077: BigInteger p = fromHex("FFFFFFFDFFFFFFFFFFFFFFFFFFFFFFFF");
0078: BigInteger a = fromHex("FFFFFFFDFFFFFFFFFFFFFFFFFFFFFFFC");
0079: BigInteger b = fromHex("E87579C11079F43DD824993C2CEE5ED3");
0080: byte[] S = Hex
0081: .decode("000E0D4D696E6768756151750CC03A4473D03679");
0082: BigInteger n = fromHex("FFFFFFFE0000000075A30D1B9038A115");
0083: BigInteger h = BigInteger.valueOf(1);
0084:
0085: ECCurve curve = new ECCurve.Fp(p, a, b);
0086: //ECPoint G = curve.decodePoint(Hex.decode("03"
0087: //+ "161FF7528B899B2D0C28607CA52C5B86"));
0088: ECPoint G = curve.decodePoint(Hex.decode("04"
0089: + "161FF7528B899B2D0C28607CA52C5B86"
0090: + "CF5AC8395BAFEB13C02DA292DDED7A83"));
0091:
0092: return new X9ECParameters(curve, G, n, h, S);
0093: }
0094: };
0095:
0096: /*
0097: * secp128r2
0098: */
0099: static X9ECParametersHolder secp128r2 = new X9ECParametersHolder() {
0100: protected X9ECParameters createParameters() {
0101: // p = 2^128 - 2^97 - 1
0102: BigInteger p = fromHex("FFFFFFFDFFFFFFFFFFFFFFFFFFFFFFFF");
0103: BigInteger a = fromHex("D6031998D1B3BBFEBF59CC9BBFF9AEE1");
0104: BigInteger b = fromHex("5EEEFCA380D02919DC2C6558BB6D8A5D");
0105: byte[] S = Hex
0106: .decode("004D696E67687561517512D8F03431FCE63B88F4");
0107: BigInteger n = fromHex("3FFFFFFF7FFFFFFFBE0024720613B5A3");
0108: BigInteger h = BigInteger.valueOf(4);
0109:
0110: ECCurve curve = new ECCurve.Fp(p, a, b);
0111: //ECPoint G = curve.decodePoint(Hex.decode("02"
0112: //+ "7B6AA5D85E572983E6FB32A7CDEBC140"));
0113: ECPoint G = curve.decodePoint(Hex.decode("04"
0114: + "7B6AA5D85E572983E6FB32A7CDEBC140"
0115: + "27B6916A894D3AEE7106FE805FC34B44"));
0116:
0117: return new X9ECParameters(curve, G, n, h, S);
0118: }
0119: };
0120:
0121: /*
0122: * secp160k1
0123: */
0124: static X9ECParametersHolder secp160k1 = new X9ECParametersHolder() {
0125: protected X9ECParameters createParameters() {
0126: // p = 2^160 - 2^32 - 2^14 - 2^12 - 2^9 - 2^8 - 2^7 - 2^3 - 2^2 - 1
0127: BigInteger p = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFAC73");
0128: BigInteger a = ECConstants.ZERO;
0129: BigInteger b = BigInteger.valueOf(7);
0130: byte[] S = null;
0131: BigInteger n = fromHex("0100000000000000000001B8FA16DFAB9ACA16B6B3");
0132: BigInteger h = BigInteger.valueOf(1);
0133:
0134: ECCurve curve = new ECCurve.Fp(p, a, b);
0135: // ECPoint G = curve.decodePoint(Hex.decode("02"
0136: // + "3B4C382CE37AA192A4019E763036F4F5DD4D7EBB"));
0137: ECPoint G = curve.decodePoint(Hex.decode("04"
0138: + "3B4C382CE37AA192A4019E763036F4F5DD4D7EBB"
0139: + "938CF935318FDCED6BC28286531733C3F03C4FEE"));
0140:
0141: return new X9ECParameters(curve, G, n, h, S);
0142: }
0143: };
0144:
0145: /*
0146: * secp160r1
0147: */
0148: static X9ECParametersHolder secp160r1 = new X9ECParametersHolder() {
0149: protected X9ECParameters createParameters() {
0150: // p = 2^160 - 2^31 - 1
0151: BigInteger p = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFF");
0152: BigInteger a = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFC");
0153: BigInteger b = fromHex("1C97BEFC54BD7A8B65ACF89F81D4D4ADC565FA45");
0154: byte[] S = Hex
0155: .decode("1053CDE42C14D696E67687561517533BF3F83345");
0156: BigInteger n = fromHex("0100000000000000000001F4C8F927AED3CA752257");
0157: BigInteger h = BigInteger.valueOf(1);
0158:
0159: ECCurve curve = new ECCurve.Fp(p, a, b);
0160: //ECPoint G = curve.decodePoint(Hex.decode("02"
0161: //+ "4A96B5688EF573284664698968C38BB913CBFC82"));
0162: ECPoint G = curve.decodePoint(Hex.decode("04"
0163: + "4A96B5688EF573284664698968C38BB913CBFC82"
0164: + "23A628553168947D59DCC912042351377AC5FB32"));
0165:
0166: return new X9ECParameters(curve, G, n, h, S);
0167: }
0168: };
0169:
0170: /*
0171: * secp160r2
0172: */
0173: static X9ECParametersHolder secp160r2 = new X9ECParametersHolder() {
0174: protected X9ECParameters createParameters() {
0175: // p = 2^160 - 2^32 - 2^14 - 2^12 - 2^9 - 2^8 - 2^7 - 2^3 - 2^2 - 1
0176: BigInteger p = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFAC73");
0177: BigInteger a = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFAC70");
0178: BigInteger b = fromHex("B4E134D3FB59EB8BAB57274904664D5AF50388BA");
0179: byte[] S = Hex
0180: .decode("B99B99B099B323E02709A4D696E6768756151751");
0181: BigInteger n = fromHex("0100000000000000000000351EE786A818F3A1A16B");
0182: BigInteger h = BigInteger.valueOf(1);
0183:
0184: ECCurve curve = new ECCurve.Fp(p, a, b);
0185: //ECPoint G = curve.decodePoint(Hex.decode("02"
0186: //+ "52DCB034293A117E1F4FF11B30F7199D3144CE6D"));
0187: ECPoint G = curve.decodePoint(Hex.decode("04"
0188: + "52DCB034293A117E1F4FF11B30F7199D3144CE6D"
0189: + "FEAFFEF2E331F296E071FA0DF9982CFEA7D43F2E"));
0190:
0191: return new X9ECParameters(curve, G, n, h, S);
0192: }
0193: };
0194:
0195: /*
0196: * secp192k1
0197: */
0198: static X9ECParametersHolder secp192k1 = new X9ECParametersHolder() {
0199: protected X9ECParameters createParameters() {
0200: // p = 2^192 - 2^32 - 2^12 - 2^8 - 2^7 - 2^6 - 2^3 - 1
0201: BigInteger p = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFEE37");
0202: BigInteger a = ECConstants.ZERO;
0203: BigInteger b = BigInteger.valueOf(3);
0204: byte[] S = null;
0205: BigInteger n = fromHex("FFFFFFFFFFFFFFFFFFFFFFFE26F2FC170F69466A74DEFD8D");
0206: BigInteger h = BigInteger.valueOf(1);
0207:
0208: ECCurve curve = new ECCurve.Fp(p, a, b);
0209: //ECPoint G = curve.decodePoint(Hex.decode("03"
0210: //+ "DB4FF10EC057E9AE26B07D0280B7F4341DA5D1B1EAE06C7D"));
0211: ECPoint G = curve
0212: .decodePoint(Hex
0213: .decode("04"
0214: + "DB4FF10EC057E9AE26B07D0280B7F4341DA5D1B1EAE06C7D"
0215: + "9B2F2F6D9C5628A7844163D015BE86344082AA88D95E2F9D"));
0216:
0217: return new X9ECParameters(curve, G, n, h, S);
0218: }
0219: };
0220:
0221: /*
0222: * secp192r1
0223: */
0224: static X9ECParametersHolder secp192r1 = new X9ECParametersHolder() {
0225: protected X9ECParameters createParameters() {
0226: // p = 2^192 - 2^64 - 1
0227: BigInteger p = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFF");
0228: BigInteger a = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFC");
0229: BigInteger b = fromHex("64210519E59C80E70FA7E9AB72243049FEB8DEECC146B9B1");
0230: byte[] S = Hex
0231: .decode("3045AE6FC8422F64ED579528D38120EAE12196D5");
0232: BigInteger n = fromHex("FFFFFFFFFFFFFFFFFFFFFFFF99DEF836146BC9B1B4D22831");
0233: BigInteger h = BigInteger.valueOf(1);
0234:
0235: ECCurve curve = new ECCurve.Fp(p, a, b);
0236: //ECPoint G = curve.decodePoint(Hex.decode("03"
0237: //+ "188DA80EB03090F67CBF20EB43A18800F4FF0AFD82FF1012"));
0238: ECPoint G = curve
0239: .decodePoint(Hex
0240: .decode("04"
0241: + "188DA80EB03090F67CBF20EB43A18800F4FF0AFD82FF1012"
0242: + "07192B95FFC8DA78631011ED6B24CDD573F977A11E794811"));
0243:
0244: return new X9ECParameters(curve, G, n, h, S);
0245: }
0246: };
0247:
0248: /*
0249: * secp224k1
0250: */
0251: static X9ECParametersHolder secp224k1 = new X9ECParametersHolder() {
0252: protected X9ECParameters createParameters() {
0253: // p = 2^224 - 2^32 - 2^12 - 2^11 - 2^9 - 2^7 - 2^4 - 2 - 1
0254: BigInteger p = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFE56D");
0255: BigInteger a = ECConstants.ZERO;
0256: BigInteger b = BigInteger.valueOf(5);
0257: byte[] S = null;
0258: BigInteger n = fromHex("010000000000000000000000000001DCE8D2EC6184CAF0A971769FB1F7");
0259: BigInteger h = BigInteger.valueOf(1);
0260:
0261: ECCurve curve = new ECCurve.Fp(p, a, b);
0262: //ECPoint G = curve.decodePoint(Hex.decode("03"
0263: //+ "A1455B334DF099DF30FC28A169A467E9E47075A90F7E650EB6B7A45C"));
0264: ECPoint G = curve
0265: .decodePoint(Hex
0266: .decode("04"
0267: + "A1455B334DF099DF30FC28A169A467E9E47075A90F7E650EB6B7A45C"
0268: + "7E089FED7FBA344282CAFBD6F7E319F7C0B0BD59E2CA4BDB556D61A5"));
0269:
0270: return new X9ECParameters(curve, G, n, h, S);
0271: }
0272: };
0273:
0274: /*
0275: * secp224r1
0276: */
0277: static X9ECParametersHolder secp224r1 = new X9ECParametersHolder() {
0278: protected X9ECParameters createParameters() {
0279: // p = 2^224 - 2^96 + 1
0280: BigInteger p = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000000000000001");
0281: BigInteger a = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFE");
0282: BigInteger b = fromHex("B4050A850C04B3ABF54132565044B0B7D7BFD8BA270B39432355FFB4");
0283: byte[] S = Hex
0284: .decode("BD71344799D5C7FCDC45B59FA3B9AB8F6A948BC5");
0285: BigInteger n = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFF16A2E0B8F03E13DD29455C5C2A3D");
0286: BigInteger h = BigInteger.valueOf(1);
0287:
0288: ECCurve curve = new ECCurve.Fp(p, a, b);
0289: //ECPoint G = curve.decodePoint(Hex.decode("02"
0290: //+ "B70E0CBD6BB4BF7F321390B94A03C1D356C21122343280D6115C1D21"));
0291: ECPoint G = curve
0292: .decodePoint(Hex
0293: .decode("04"
0294: + "B70E0CBD6BB4BF7F321390B94A03C1D356C21122343280D6115C1D21"
0295: + "BD376388B5F723FB4C22DFE6CD4375A05A07476444D5819985007E34"));
0296:
0297: return new X9ECParameters(curve, G, n, h, S);
0298: }
0299: };
0300:
0301: /*
0302: * secp256k1
0303: */
0304: static X9ECParametersHolder secp256k1 = new X9ECParametersHolder() {
0305: protected X9ECParameters createParameters() {
0306: // p = 2^256 - 2^32 - 2^9 - 2^8 - 2^7 - 2^6 - 2^4 - 1
0307: BigInteger p = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F");
0308: BigInteger a = ECConstants.ZERO;
0309: BigInteger b = BigInteger.valueOf(7);
0310: byte[] S = null;
0311: BigInteger n = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141");
0312: BigInteger h = BigInteger.valueOf(1);
0313:
0314: ECCurve curve = new ECCurve.Fp(p, a, b);
0315: //ECPoint G = curve.decodePoint(Hex.decode("02"
0316: //+ "79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798"));
0317: ECPoint G = curve
0318: .decodePoint(Hex
0319: .decode("04"
0320: + "79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798"
0321: + "483ADA7726A3C4655DA4FBFC0E1108A8FD17B448A68554199C47D08FFB10D4B8"));
0322:
0323: return new X9ECParameters(curve, G, n, h, S);
0324: }
0325: };
0326:
0327: /*
0328: * secp256r1
0329: */
0330: static X9ECParametersHolder secp256r1 = new X9ECParametersHolder() {
0331: protected X9ECParameters createParameters() {
0332: // p = 2^224 (2^32 - 1) + 2^192 + 2^96 - 1
0333: BigInteger p = fromHex("FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF");
0334: BigInteger a = fromHex("FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFC");
0335: BigInteger b = fromHex("5AC635D8AA3A93E7B3EBBD55769886BC651D06B0CC53B0F63BCE3C3E27D2604B");
0336: byte[] S = Hex
0337: .decode("C49D360886E704936A6678E1139D26B7819F7E90");
0338: BigInteger n = fromHex("FFFFFFFF00000000FFFFFFFFFFFFFFFFBCE6FAADA7179E84F3B9CAC2FC632551");
0339: BigInteger h = BigInteger.valueOf(1);
0340:
0341: ECCurve curve = new ECCurve.Fp(p, a, b);
0342: //ECPoint G = curve.decodePoint(Hex.decode("03"
0343: //+ "6B17D1F2E12C4247F8BCE6E563A440F277037D812DEB33A0F4A13945D898C296"));
0344: ECPoint G = curve
0345: .decodePoint(Hex
0346: .decode("04"
0347: + "6B17D1F2E12C4247F8BCE6E563A440F277037D812DEB33A0F4A13945D898C296"
0348: + "4FE342E2FE1A7F9B8EE7EB4A7C0F9E162BCE33576B315ECECBB6406837BF51F5"));
0349:
0350: return new X9ECParameters(curve, G, n, h, S);
0351: }
0352: };
0353:
0354: /*
0355: * secp384r1
0356: */
0357: static X9ECParametersHolder secp384r1 = new X9ECParametersHolder() {
0358: protected X9ECParameters createParameters() {
0359: // p = 2^384 - 2^128 - 2^96 + 2^32 - 1
0360: BigInteger p = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFF");
0361: BigInteger a = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFC");
0362: BigInteger b = fromHex("B3312FA7E23EE7E4988E056BE3F82D19181D9C6EFE8141120314088F5013875AC656398D8A2ED19D2A85C8EDD3EC2AEF");
0363: byte[] S = Hex
0364: .decode("A335926AA319A27A1D00896A6773A4827ACDAC73");
0365: BigInteger n = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC7634D81F4372DDF581A0DB248B0A77AECEC196ACCC52973");
0366: BigInteger h = BigInteger.valueOf(1);
0367:
0368: ECCurve curve = new ECCurve.Fp(p, a, b);
0369: //ECPoint G = curve.decodePoint(Hex.decode("03"
0370: //+ "AA87CA22BE8B05378EB1C71EF320AD746E1D3B628BA79B9859F741E082542A385502F25DBF55296C3A545E3872760AB7"));
0371: ECPoint G = curve
0372: .decodePoint(Hex
0373: .decode("04"
0374: + "AA87CA22BE8B05378EB1C71EF320AD746E1D3B628BA79B9859F741E082542A385502F25DBF55296C3A545E3872760AB7"
0375: + "3617DE4A96262C6F5D9E98BF9292DC29F8F41DBD289A147CE9DA3113B5F0B8C00A60B1CE1D7E819D7A431D7C90EA0E5F"));
0376:
0377: return new X9ECParameters(curve, G, n, h, S);
0378: }
0379: };
0380:
0381: /*
0382: * secp521r1
0383: */
0384: static X9ECParametersHolder secp521r1 = new X9ECParametersHolder() {
0385: protected X9ECParameters createParameters() {
0386: // p = 2^521 - 1
0387: BigInteger p = fromHex("01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF");
0388: BigInteger a = fromHex("01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC");
0389: BigInteger b = fromHex("0051953EB9618E1C9A1F929A21A0B68540EEA2DA725B99B315F3B8B489918EF109E156193951EC7E937B1652C0BD3BB1BF073573DF883D2C34F1EF451FD46B503F00");
0390: byte[] S = Hex
0391: .decode("D09E8800291CB85396CC6717393284AAA0DA64BA");
0392: BigInteger n = fromHex("01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFA51868783BF2F966B7FCC0148F709A5D03BB5C9B8899C47AEBB6FB71E91386409");
0393: BigInteger h = BigInteger.valueOf(1);
0394:
0395: ECCurve curve = new ECCurve.Fp(p, a, b);
0396: //ECPoint G = curve.decodePoint(Hex.decode("02"
0397: //+ "00C6858E06B70404E9CD9E3ECB662395B4429C648139053FB521F828AF606B4D3DBAA14B5E77EFE75928FE1DC127A2FFA8DE3348B3C1856A429BF97E7E31C2E5BD66"));
0398: ECPoint G = curve
0399: .decodePoint(Hex
0400: .decode("04"
0401: + "00C6858E06B70404E9CD9E3ECB662395B4429C648139053FB521F828AF606B4D3DBAA14B5E77EFE75928FE1DC127A2FFA8DE3348B3C1856A429BF97E7E31C2E5BD66"
0402: + "011839296A789A3BC0045C8A5FB42C7D1BD998F54449579B446817AFBD17273E662C97EE72995EF42640C550B9013FAD0761353C7086A272C24088BE94769FD16650"));
0403:
0404: return new X9ECParameters(curve, G, n, h, S);
0405: }
0406: };
0407:
0408: /*
0409: * sect113r1
0410: */
0411: static X9ECParametersHolder sect113r1 = new X9ECParametersHolder() {
0412: protected X9ECParameters createParameters() {
0413: int m = 113;
0414: int k = 9;
0415:
0416: BigInteger a = fromHex("003088250CA6E7C7FE649CE85820F7");
0417: BigInteger b = fromHex("00E8BEE4D3E2260744188BE0E9C723");
0418: byte[] S = Hex
0419: .decode("10E723AB14D696E6768756151756FEBF8FCB49A9");
0420: BigInteger n = fromHex("0100000000000000D9CCEC8A39E56F");
0421: BigInteger h = BigInteger.valueOf(2);
0422:
0423: ECCurve curve = new ECCurve.F2m(m, k, a, b, n, h);
0424: //ECPoint G = curve.decodePoint(Hex.decode("03"
0425: //+ "009D73616F35F4AB1407D73562C10F"));
0426: ECPoint G = curve.decodePoint(Hex.decode("04"
0427: + "009D73616F35F4AB1407D73562C10F"
0428: + "00A52830277958EE84D1315ED31886"));
0429:
0430: return new X9ECParameters(curve, G, n, h, S);
0431: }
0432: };
0433:
0434: /*
0435: * sect113r2
0436: */
0437: static X9ECParametersHolder sect113r2 = new X9ECParametersHolder() {
0438: protected X9ECParameters createParameters() {
0439: int m = 113;
0440: int k = 9;
0441:
0442: BigInteger a = fromHex("00689918DBEC7E5A0DD6DFC0AA55C7");
0443: BigInteger b = fromHex("0095E9A9EC9B297BD4BF36E059184F");
0444: byte[] S = Hex
0445: .decode("10C0FB15760860DEF1EEF4D696E676875615175D");
0446: BigInteger n = fromHex("010000000000000108789B2496AF93");
0447: BigInteger h = BigInteger.valueOf(2);
0448:
0449: ECCurve curve = new ECCurve.F2m(m, k, a, b, n, h);
0450: //ECPoint G = curve.decodePoint(Hex.decode("03"
0451: //+ "01A57A6A7B26CA5EF52FCDB8164797"));
0452: ECPoint G = curve.decodePoint(Hex.decode("04"
0453: + "01A57A6A7B26CA5EF52FCDB8164797"
0454: + "00B3ADC94ED1FE674C06E695BABA1D"));
0455:
0456: return new X9ECParameters(curve, G, n, h, S);
0457: }
0458: };
0459:
0460: /*
0461: * sect131r1
0462: */
0463: static X9ECParametersHolder sect131r1 = new X9ECParametersHolder() {
0464: protected X9ECParameters createParameters() {
0465: int m = 131;
0466: int k1 = 2;
0467: int k2 = 3;
0468: int k3 = 8;
0469:
0470: BigInteger a = fromHex("07A11B09A76B562144418FF3FF8C2570B8");
0471: BigInteger b = fromHex("0217C05610884B63B9C6C7291678F9D341");
0472: byte[] S = Hex
0473: .decode("4D696E676875615175985BD3ADBADA21B43A97E2");
0474: BigInteger n = fromHex("0400000000000000023123953A9464B54D");
0475: BigInteger h = BigInteger.valueOf(2);
0476:
0477: ECCurve curve = new ECCurve.F2m(m, k1, k2, k3, a, b, n, h);
0478: //ECPoint G = curve.decodePoint(Hex.decode("03"
0479: //+ "0081BAF91FDF9833C40F9C181343638399"));
0480: ECPoint G = curve.decodePoint(Hex.decode("04"
0481: + "0081BAF91FDF9833C40F9C181343638399"
0482: + "078C6E7EA38C001F73C8134B1B4EF9E150"));
0483:
0484: return new X9ECParameters(curve, G, n, h, S);
0485: }
0486: };
0487:
0488: /*
0489: * sect131r2
0490: */
0491: static X9ECParametersHolder sect131r2 = new X9ECParametersHolder() {
0492: protected X9ECParameters createParameters() {
0493: int m = 131;
0494: int k1 = 2;
0495: int k2 = 3;
0496: int k3 = 8;
0497:
0498: BigInteger a = fromHex("03E5A88919D7CAFCBF415F07C2176573B2");
0499: BigInteger b = fromHex("04B8266A46C55657AC734CE38F018F2192");
0500: byte[] S = Hex
0501: .decode("985BD3ADBAD4D696E676875615175A21B43A97E3");
0502: BigInteger n = fromHex("0400000000000000016954A233049BA98F");
0503: BigInteger h = BigInteger.valueOf(2);
0504:
0505: ECCurve curve = new ECCurve.F2m(m, k1, k2, k3, a, b, n, h);
0506: //ECPoint G = curve.decodePoint(Hex.decode("03"
0507: //+ "0356DCD8F2F95031AD652D23951BB366A8"));
0508: ECPoint G = curve.decodePoint(Hex.decode("04"
0509: + "0356DCD8F2F95031AD652D23951BB366A8"
0510: + "0648F06D867940A5366D9E265DE9EB240F"));
0511:
0512: return new X9ECParameters(curve, G, n, h, S);
0513: }
0514: };
0515:
0516: /*
0517: * sect163k1
0518: */
0519: static X9ECParametersHolder sect163k1 = new X9ECParametersHolder() {
0520: protected X9ECParameters createParameters() {
0521: int m = 163;
0522: int k1 = 3;
0523: int k2 = 6;
0524: int k3 = 7;
0525:
0526: BigInteger a = BigInteger.valueOf(1);
0527: BigInteger b = BigInteger.valueOf(1);
0528: byte[] S = null;
0529: BigInteger n = fromHex("04000000000000000000020108A2E0CC0D99F8A5EF");
0530: BigInteger h = BigInteger.valueOf(2);
0531:
0532: ECCurve curve = new ECCurve.F2m(m, k1, k2, k3, a, b, n, h);
0533: //ECPoint G = curve.decodePoint(Hex.decode("03"
0534: //+ "02FE13C0537BBC11ACAA07D793DE4E6D5E5C94EEE8"));
0535: ECPoint G = curve.decodePoint(Hex.decode("04"
0536: + "02FE13C0537BBC11ACAA07D793DE4E6D5E5C94EEE8"
0537: + "0289070FB05D38FF58321F2E800536D538CCDAA3D9"));
0538:
0539: return new X9ECParameters(curve, G, n, h, S);
0540: }
0541: };
0542:
0543: /*
0544: * sect163r1
0545: */
0546: static X9ECParametersHolder sect163r1 = new X9ECParametersHolder() {
0547: protected X9ECParameters createParameters() {
0548: int m = 163;
0549: int k1 = 3;
0550: int k2 = 6;
0551: int k3 = 7;
0552:
0553: BigInteger a = fromHex("07B6882CAAEFA84F9554FF8428BD88E246D2782AE2");
0554: BigInteger b = fromHex("0713612DCDDCB40AAB946BDA29CA91F73AF958AFD9");
0555: byte[] S = Hex
0556: .decode("24B7B137C8A14D696E6768756151756FD0DA2E5C");
0557: BigInteger n = fromHex("03FFFFFFFFFFFFFFFFFFFF48AAB689C29CA710279B");
0558: BigInteger h = BigInteger.valueOf(2);
0559:
0560: ECCurve curve = new ECCurve.F2m(m, k1, k2, k3, a, b, n, h);
0561: //ECPoint G = curve.decodePoint(Hex.decode("03"
0562: //+ "0369979697AB43897789566789567F787A7876A654"));
0563: ECPoint G = curve.decodePoint(Hex.decode("04"
0564: + "0369979697AB43897789566789567F787A7876A654"
0565: + "00435EDB42EFAFB2989D51FEFCE3C80988F41FF883"));
0566:
0567: return new X9ECParameters(curve, G, n, h, S);
0568: }
0569: };
0570:
0571: /*
0572: * sect163r2
0573: */
0574: static X9ECParametersHolder sect163r2 = new X9ECParametersHolder() {
0575: protected X9ECParameters createParameters() {
0576: int m = 163;
0577: int k1 = 3;
0578: int k2 = 6;
0579: int k3 = 7;
0580:
0581: BigInteger a = BigInteger.valueOf(1);
0582: BigInteger b = fromHex("020A601907B8C953CA1481EB10512F78744A3205FD");
0583: byte[] S = Hex
0584: .decode("85E25BFE5C86226CDB12016F7553F9D0E693A268");
0585: BigInteger n = fromHex("040000000000000000000292FE77E70C12A4234C33");
0586: BigInteger h = BigInteger.valueOf(2);
0587:
0588: ECCurve curve = new ECCurve.F2m(m, k1, k2, k3, a, b, n, h);
0589: //ECPoint G = curve.decodePoint(Hex.decode("03"
0590: //+ "03F0EBA16286A2D57EA0991168D4994637E8343E36"));
0591: ECPoint G = curve.decodePoint(Hex.decode("04"
0592: + "03F0EBA16286A2D57EA0991168D4994637E8343E36"
0593: + "00D51FBC6C71A0094FA2CDD545B11C5C0C797324F1"));
0594:
0595: return new X9ECParameters(curve, G, n, h, S);
0596: }
0597: };
0598:
0599: /*
0600: * sect193r1
0601: */
0602: static X9ECParametersHolder sect193r1 = new X9ECParametersHolder() {
0603: protected X9ECParameters createParameters() {
0604: int m = 193;
0605: int k = 15;
0606:
0607: BigInteger a = fromHex("0017858FEB7A98975169E171F77B4087DE098AC8A911DF7B01");
0608: BigInteger b = fromHex("00FDFB49BFE6C3A89FACADAA7A1E5BBC7CC1C2E5D831478814");
0609: byte[] S = Hex
0610: .decode("103FAEC74D696E676875615175777FC5B191EF30");
0611: BigInteger n = fromHex("01000000000000000000000000C7F34A778F443ACC920EBA49");
0612: BigInteger h = BigInteger.valueOf(2);
0613:
0614: ECCurve curve = new ECCurve.F2m(m, k, a, b, n, h);
0615: //ECPoint G = curve.decodePoint(Hex.decode("03"
0616: //+ "01F481BC5F0FF84A74AD6CDF6FDEF4BF6179625372D8C0C5E1"));
0617: ECPoint G = curve
0618: .decodePoint(Hex
0619: .decode("04"
0620: + "01F481BC5F0FF84A74AD6CDF6FDEF4BF6179625372D8C0C5E1"
0621: + "0025E399F2903712CCF3EA9E3A1AD17FB0B3201B6AF7CE1B05"));
0622:
0623: return new X9ECParameters(curve, G, n, h, S);
0624: }
0625: };
0626:
0627: /*
0628: * sect193r2
0629: */
0630: static X9ECParametersHolder sect193r2 = new X9ECParametersHolder() {
0631: protected X9ECParameters createParameters() {
0632: int m = 193;
0633: int k = 15;
0634:
0635: BigInteger a = fromHex("0163F35A5137C2CE3EA6ED8667190B0BC43ECD69977702709B");
0636: BigInteger b = fromHex("00C9BB9E8927D4D64C377E2AB2856A5B16E3EFB7F61D4316AE");
0637: byte[] S = Hex
0638: .decode("10B7B4D696E676875615175137C8A16FD0DA2211");
0639: BigInteger n = fromHex("010000000000000000000000015AAB561B005413CCD4EE99D5");
0640: BigInteger h = BigInteger.valueOf(2);
0641:
0642: ECCurve curve = new ECCurve.F2m(m, k, a, b, n, h);
0643: //ECPoint G = curve.decodePoint(Hex.decode("03"
0644: //+ "00D9B67D192E0367C803F39E1A7E82CA14A651350AAE617E8F"));
0645: ECPoint G = curve
0646: .decodePoint(Hex
0647: .decode("04"
0648: + "00D9B67D192E0367C803F39E1A7E82CA14A651350AAE617E8F"
0649: + "01CE94335607C304AC29E7DEFBD9CA01F596F927224CDECF6C"));
0650:
0651: return new X9ECParameters(curve, G, n, h, S);
0652: }
0653: };
0654:
0655: /*
0656: * sect233k1
0657: */
0658: static X9ECParametersHolder sect233k1 = new X9ECParametersHolder() {
0659: protected X9ECParameters createParameters() {
0660: int m = 233;
0661: int k = 74;
0662:
0663: BigInteger a = ECConstants.ZERO;
0664: BigInteger b = BigInteger.valueOf(1);
0665: byte[] S = null;
0666: BigInteger n = fromHex("8000000000000000000000000000069D5BB915BCD46EFB1AD5F173ABDF");
0667: BigInteger h = BigInteger.valueOf(4);
0668:
0669: ECCurve curve = new ECCurve.F2m(m, k, a, b, n, h);
0670: //ECPoint G = curve.decodePoint(Hex.decode("02"
0671: //+ "017232BA853A7E731AF129F22FF4149563A419C26BF50A4C9D6EEFAD6126"));
0672: ECPoint G = curve
0673: .decodePoint(Hex
0674: .decode("04"
0675: + "017232BA853A7E731AF129F22FF4149563A419C26BF50A4C9D6EEFAD6126"
0676: + "01DB537DECE819B7F70F555A67C427A8CD9BF18AEB9B56E0C11056FAE6A3"));
0677:
0678: return new X9ECParameters(curve, G, n, h, S);
0679: }
0680: };
0681:
0682: /*
0683: * sect233r1
0684: */
0685: static X9ECParametersHolder sect233r1 = new X9ECParametersHolder() {
0686: protected X9ECParameters createParameters() {
0687: int m = 233;
0688: int k = 74;
0689:
0690: BigInteger a = BigInteger.valueOf(1);
0691: BigInteger b = fromHex("0066647EDE6C332C7F8C0923BB58213B333B20E9CE4281FE115F7D8F90AD");
0692: byte[] S = Hex
0693: .decode("74D59FF07F6B413D0EA14B344B20A2DB049B50C3");
0694: BigInteger n = fromHex("01000000000000000000000000000013E974E72F8A6922031D2603CFE0D7");
0695: BigInteger h = BigInteger.valueOf(2);
0696:
0697: ECCurve curve = new ECCurve.F2m(m, k, a, b, n, h);
0698: //ECPoint G = curve.decodePoint(Hex.decode("03"
0699: //+ "00FAC9DFCBAC8313BB2139F1BB755FEF65BC391F8B36F8F8EB7371FD558B"));
0700: ECPoint G = curve
0701: .decodePoint(Hex
0702: .decode("04"
0703: + "00FAC9DFCBAC8313BB2139F1BB755FEF65BC391F8B36F8F8EB7371FD558B"
0704: + "01006A08A41903350678E58528BEBF8A0BEFF867A7CA36716F7E01F81052"));
0705:
0706: return new X9ECParameters(curve, G, n, h, S);
0707: }
0708: };
0709:
0710: /*
0711: * sect239k1
0712: */
0713: static X9ECParametersHolder sect239k1 = new X9ECParametersHolder() {
0714: protected X9ECParameters createParameters() {
0715: int m = 239;
0716: int k = 158;
0717:
0718: BigInteger a = ECConstants.ZERO;
0719: BigInteger b = BigInteger.valueOf(1);
0720: byte[] S = null;
0721: BigInteger n = fromHex("2000000000000000000000000000005A79FEC67CB6E91F1C1DA800E478A5");
0722: BigInteger h = BigInteger.valueOf(4);
0723:
0724: ECCurve curve = new ECCurve.F2m(m, k, a, b, n, h);
0725: //ECPoint G = curve.decodePoint(Hex.decode("03"
0726: //+ "29A0B6A887A983E9730988A68727A8B2D126C44CC2CC7B2A6555193035DC"));
0727: ECPoint G = curve
0728: .decodePoint(Hex
0729: .decode("04"
0730: + "29A0B6A887A983E9730988A68727A8B2D126C44CC2CC7B2A6555193035DC"
0731: + "76310804F12E549BDB011C103089E73510ACB275FC312A5DC6B76553F0CA"));
0732:
0733: return new X9ECParameters(curve, G, n, h, S);
0734: }
0735: };
0736:
0737: /*
0738: * sect283k1
0739: */
0740: static X9ECParametersHolder sect283k1 = new X9ECParametersHolder() {
0741: protected X9ECParameters createParameters() {
0742: int m = 283;
0743: int k1 = 5;
0744: int k2 = 7;
0745: int k3 = 12;
0746:
0747: BigInteger a = ECConstants.ZERO;
0748: BigInteger b = BigInteger.valueOf(1);
0749: byte[] S = null;
0750: BigInteger n = fromHex("01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE9AE2ED07577265DFF7F94451E061E163C61");
0751: BigInteger h = BigInteger.valueOf(4);
0752:
0753: ECCurve curve = new ECCurve.F2m(m, k1, k2, k3, a, b, n, h);
0754: //ECPoint G = curve.decodePoint(Hex.decode("02"
0755: //+ "0503213F78CA44883F1A3B8162F188E553CD265F23C1567A16876913B0C2AC2458492836"));
0756: ECPoint G = curve
0757: .decodePoint(Hex
0758: .decode("04"
0759: + "0503213F78CA44883F1A3B8162F188E553CD265F23C1567A16876913B0C2AC2458492836"
0760: + "01CCDA380F1C9E318D90F95D07E5426FE87E45C0E8184698E45962364E34116177DD2259"));
0761:
0762: return new X9ECParameters(curve, G, n, h, S);
0763: }
0764: };
0765:
0766: /*
0767: * sect283r1
0768: */
0769: static X9ECParametersHolder sect283r1 = new X9ECParametersHolder() {
0770: protected X9ECParameters createParameters() {
0771: int m = 283;
0772: int k1 = 5;
0773: int k2 = 7;
0774: int k3 = 12;
0775:
0776: BigInteger a = BigInteger.valueOf(1);
0777: BigInteger b = fromHex("027B680AC8B8596DA5A4AF8A19A0303FCA97FD7645309FA2A581485AF6263E313B79A2F5");
0778: byte[] S = Hex
0779: .decode("77E2B07370EB0F832A6DD5B62DFC88CD06BB84BE");
0780: BigInteger n = fromHex("03FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEF90399660FC938A90165B042A7CEFADB307");
0781: BigInteger h = BigInteger.valueOf(2);
0782:
0783: ECCurve curve = new ECCurve.F2m(m, k1, k2, k3, a, b, n, h);
0784: //ECPoint G = curve.decodePoint(Hex.decode("03"
0785: //+ "05F939258DB7DD90E1934F8C70B0DFEC2EED25B8557EAC9C80E2E198F8CDBECD86B12053"));
0786: ECPoint G = curve
0787: .decodePoint(Hex
0788: .decode("04"
0789: + "05F939258DB7DD90E1934F8C70B0DFEC2EED25B8557EAC9C80E2E198F8CDBECD86B12053"
0790: + "03676854FE24141CB98FE6D4B20D02B4516FF702350EDDB0826779C813F0DF45BE8112F4"));
0791:
0792: return new X9ECParameters(curve, G, n, h, S);
0793: }
0794: };
0795:
0796: /*
0797: * sect409k1
0798: */
0799: static X9ECParametersHolder sect409k1 = new X9ECParametersHolder() {
0800: protected X9ECParameters createParameters() {
0801: int m = 409;
0802: int k = 87;
0803:
0804: BigInteger a = ECConstants.ZERO;
0805: BigInteger b = BigInteger.valueOf(1);
0806: byte[] S = null;
0807: BigInteger n = fromHex("7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE5F83B2D4EA20400EC4557D5ED3E3E7CA5B4B5C83B8E01E5FCF");
0808: BigInteger h = BigInteger.valueOf(4);
0809:
0810: ECCurve curve = new ECCurve.F2m(m, k, a, b, n, h);
0811: //ECPoint G = curve.decodePoint(Hex.decode("03"
0812: //+ "0060F05F658F49C1AD3AB1890F7184210EFD0987E307C84C27ACCFB8F9F67CC2C460189EB5AAAA62EE222EB1B35540CFE9023746"));
0813: ECPoint G = curve
0814: .decodePoint(Hex
0815: .decode("04"
0816: + "0060F05F658F49C1AD3AB1890F7184210EFD0987E307C84C27ACCFB8F9F67CC2C460189EB5AAAA62EE222EB1B35540CFE9023746"
0817: + "01E369050B7C4E42ACBA1DACBF04299C3460782F918EA427E6325165E9EA10E3DA5F6C42E9C55215AA9CA27A5863EC48D8E0286B"));
0818:
0819: return new X9ECParameters(curve, G, n, h, S);
0820: }
0821: };
0822:
0823: /*
0824: * sect409r1
0825: */
0826: static X9ECParametersHolder sect409r1 = new X9ECParametersHolder() {
0827: protected X9ECParameters createParameters() {
0828: int m = 409;
0829: int k = 87;
0830:
0831: BigInteger a = BigInteger.valueOf(1);
0832: BigInteger b = fromHex("0021A5C2C8EE9FEB5C4B9A753B7B476B7FD6422EF1F3DD674761FA99D6AC27C8A9A197B272822F6CD57A55AA4F50AE317B13545F");
0833: byte[] S = Hex
0834: .decode("4099B5A457F9D69F79213D094C4BCD4D4262210B");
0835: BigInteger n = fromHex("010000000000000000000000000000000000000000000000000001E2AAD6A612F33307BE5FA47C3C9E052F838164CD37D9A21173");
0836: BigInteger h = BigInteger.valueOf(2);
0837:
0838: ECCurve curve = new ECCurve.F2m(m, k, a, b, n, h);
0839: //ECPoint G = curve.decodePoint(Hex.decode("03"
0840: //+ "015D4860D088DDB3496B0C6064756260441CDE4AF1771D4DB01FFE5B34E59703DC255A868A1180515603AEAB60794E54BB7996A7"));
0841: ECPoint G = curve
0842: .decodePoint(Hex
0843: .decode("04"
0844: + "015D4860D088DDB3496B0C6064756260441CDE4AF1771D4DB01FFE5B34E59703DC255A868A1180515603AEAB60794E54BB7996A7"
0845: + "0061B1CFAB6BE5F32BBFA78324ED106A7636B9C5A7BD198D0158AA4F5488D08F38514F1FDF4B4F40D2181B3681C364BA0273C706"));
0846:
0847: return new X9ECParameters(curve, G, n, h, S);
0848: }
0849: };
0850:
0851: /*
0852: * sect571k1
0853: */
0854: static X9ECParametersHolder sect571k1 = new X9ECParametersHolder() {
0855: protected X9ECParameters createParameters() {
0856: int m = 571;
0857: int k1 = 2;
0858: int k2 = 5;
0859: int k3 = 10;
0860:
0861: BigInteger a = ECConstants.ZERO;
0862: BigInteger b = BigInteger.valueOf(1);
0863: byte[] S = null;
0864: BigInteger n = fromHex("020000000000000000000000000000000000000000000000000000000000000000000000131850E1F19A63E4B391A8DB917F4138B630D84BE5D639381E91DEB45CFE778F637C1001");
0865: BigInteger h = BigInteger.valueOf(4);
0866:
0867: ECCurve curve = new ECCurve.F2m(m, k1, k2, k3, a, b, n, h);
0868: //ECPoint G = curve.decodePoint(Hex.decode("02"
0869: //+ "026EB7A859923FBC82189631F8103FE4AC9CA2970012D5D46024804801841CA44370958493B205E647DA304DB4CEB08CBBD1BA39494776FB988B47174DCA88C7E2945283A01C8972"));
0870: ECPoint G = curve
0871: .decodePoint(Hex
0872: .decode("04"
0873: + "026EB7A859923FBC82189631F8103FE4AC9CA2970012D5D46024804801841CA44370958493B205E647DA304DB4CEB08CBBD1BA39494776FB988B47174DCA88C7E2945283A01C8972"
0874: + "0349DC807F4FBF374F4AEADE3BCA95314DD58CEC9F307A54FFC61EFC006D8A2C9D4979C0AC44AEA74FBEBBB9F772AEDCB620B01A7BA7AF1B320430C8591984F601CD4C143EF1C7A3"));
0875:
0876: return new X9ECParameters(curve, G, n, h, S);
0877: }
0878: };
0879:
0880: /*
0881: * sect571r1
0882: */
0883: static X9ECParametersHolder sect571r1 = new X9ECParametersHolder() {
0884: protected X9ECParameters createParameters() {
0885: int m = 571;
0886: int k1 = 2;
0887: int k2 = 5;
0888: int k3 = 10;
0889:
0890: BigInteger a = BigInteger.valueOf(1);
0891: BigInteger b = fromHex("02F40E7E2221F295DE297117B7F3D62F5C6A97FFCB8CEFF1CD6BA8CE4A9A18AD84FFABBD8EFA59332BE7AD6756A66E294AFD185A78FF12AA520E4DE739BACA0C7FFEFF7F2955727A");
0892: byte[] S = Hex
0893: .decode("2AA058F73A0E33AB486B0F610410C53A7F132310");
0894: BigInteger n = fromHex("03FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE661CE18FF55987308059B186823851EC7DD9CA1161DE93D5174D66E8382E9BB2FE84E47");
0895: BigInteger h = BigInteger.valueOf(2);
0896:
0897: ECCurve curve = new ECCurve.F2m(m, k1, k2, k3, a, b, n, h);
0898: //ECPoint G = curve.decodePoint(Hex.decode("03"
0899: //+ "0303001D34B856296C16C0D40D3CD7750A93D1D2955FA80AA5F40FC8DB7B2ABDBDE53950F4C0D293CDD711A35B67FB1499AE60038614F1394ABFA3B4C850D927E1E7769C8EEC2D19"));
0900: ECPoint G = curve
0901: .decodePoint(Hex
0902: .decode("04"
0903: + "0303001D34B856296C16C0D40D3CD7750A93D1D2955FA80AA5F40FC8DB7B2ABDBDE53950F4C0D293CDD711A35B67FB1499AE60038614F1394ABFA3B4C850D927E1E7769C8EEC2D19"
0904: + "037BF27342DA639B6DCCFFFEB73D69D78C6C27A6009CBBCA1980F8533921E8A684423E43BAB08A576291AF8F461BB2A8B3531D2F0485C19B16E2F1516E23DD3C1A4827AF1B8AC15B"));
0905:
0906: return new X9ECParameters(curve, G, n, h, S);
0907: }
0908: };
0909:
0910: static final Hashtable objIds = new Hashtable();
0911: static final Hashtable curves = new Hashtable();
0912: static final Hashtable names = new Hashtable();
0913:
0914: static void defineCurve(String name, DERObjectIdentifier oid,
0915: X9ECParametersHolder holder) {
0916: objIds.put(name, oid);
0917: names.put(oid, name);
0918: curves.put(oid, holder);
0919: }
0920:
0921: static {
0922: defineCurve("secp112r1", SECObjectIdentifiers.secp112r1,
0923: secp112r1);
0924: defineCurve("secp112r2", SECObjectIdentifiers.secp112r2,
0925: secp112r2);
0926: defineCurve("secp128r1", SECObjectIdentifiers.secp128r1,
0927: secp128r1);
0928: defineCurve("secp128r2", SECObjectIdentifiers.secp128r2,
0929: secp128r2);
0930: // defineCurve("secp160k1", SECObjectIdentifiers.secp160k1, secp160k1);
0931: defineCurve("secp160r1", SECObjectIdentifiers.secp160r1,
0932: secp160r1);
0933: defineCurve("secp160r2", SECObjectIdentifiers.secp160r2,
0934: secp160r2);
0935: // defineCurve("secp192k1", SECObjectIdentifiers.secp192k1, secp192k1);
0936: defineCurve("secp192r1", SECObjectIdentifiers.secp192r1,
0937: secp192r1);
0938: // defineCurve("secp224k1", SECObjectIdentifiers.secp224k1, secp224k1);
0939: defineCurve("secp224r1", SECObjectIdentifiers.secp224r1,
0940: secp224r1);
0941: // defineCurve("secp256k1", SECObjectIdentifiers.secp256k1, secp256k1);
0942: defineCurve("secp256r1", SECObjectIdentifiers.secp256r1,
0943: secp256r1);
0944: defineCurve("secp384r1", SECObjectIdentifiers.secp384r1,
0945: secp384r1);
0946: defineCurve("secp521r1", SECObjectIdentifiers.secp521r1,
0947: secp521r1);
0948:
0949: defineCurve("sect113r1", SECObjectIdentifiers.sect113r1,
0950: sect113r1);
0951: defineCurve("sect113r2", SECObjectIdentifiers.sect113r2,
0952: sect113r2);
0953: defineCurve("sect131r1", SECObjectIdentifiers.sect131r1,
0954: sect131r1);
0955: defineCurve("sect131r2", SECObjectIdentifiers.sect131r2,
0956: sect131r2);
0957: defineCurve("sect163k1", SECObjectIdentifiers.sect163k1,
0958: sect163k1);
0959: defineCurve("sect163r1", SECObjectIdentifiers.sect163r1,
0960: sect163r1);
0961: defineCurve("sect163r2", SECObjectIdentifiers.sect163r2,
0962: sect163r2);
0963: defineCurve("sect193r1", SECObjectIdentifiers.sect193r1,
0964: sect193r1);
0965: defineCurve("sect193r2", SECObjectIdentifiers.sect193r2,
0966: sect193r2);
0967: defineCurve("sect233k1", SECObjectIdentifiers.sect233k1,
0968: sect233k1);
0969: defineCurve("sect233r1", SECObjectIdentifiers.sect233r1,
0970: sect233r1);
0971: defineCurve("sect239k1", SECObjectIdentifiers.sect239k1,
0972: sect239k1);
0973: defineCurve("sect283k1", SECObjectIdentifiers.sect283k1,
0974: sect283k1);
0975: defineCurve("sect283r1", SECObjectIdentifiers.sect283r1,
0976: sect283r1);
0977: defineCurve("sect409k1", SECObjectIdentifiers.sect409k1,
0978: sect409k1);
0979: defineCurve("sect409r1", SECObjectIdentifiers.sect409r1,
0980: sect409r1);
0981: defineCurve("sect571k1", SECObjectIdentifiers.sect571k1,
0982: sect571k1);
0983: defineCurve("sect571r1", SECObjectIdentifiers.sect571r1,
0984: sect571r1);
0985: }
0986:
0987: public static X9ECParameters getByName(String name) {
0988: DERObjectIdentifier oid = (DERObjectIdentifier) objIds
0989: .get(Strings.toLowerCase(name));
0990:
0991: if (oid != null) {
0992: return getByOID(oid);
0993: }
0994:
0995: return null;
0996: }
0997:
0998: /**
0999: * return the X9ECParameters object for the named curve represented by
1000: * the passed in object identifier. Null if the curve isn't present.
1001: *
1002: * @param oid an object identifier representing a named curve, if present.
1003: */
1004: public static X9ECParameters getByOID(DERObjectIdentifier oid) {
1005: X9ECParametersHolder holder = (X9ECParametersHolder) curves
1006: .get(oid);
1007:
1008: if (holder != null) {
1009: return holder.getParameters();
1010: }
1011:
1012: return null;
1013: }
1014:
1015: /**
1016: * return the object identifier signified by the passed in name. Null
1017: * if there is no object identifier associated with name.
1018: *
1019: * @return the object identifier associated with name, if present.
1020: */
1021: public static DERObjectIdentifier getOID(String name) {
1022: return (DERObjectIdentifier) objIds.get(Strings
1023: .toLowerCase(name));
1024: }
1025:
1026: /**
1027: * return the named curve name represented by the given object identifier.
1028: */
1029: public static String getName(DERObjectIdentifier oid) {
1030: return (String) names.get(oid);
1031: }
1032:
1033: /**
1034: * returns an enumeration containing the name strings for curves
1035: * contained in this structure.
1036: */
1037: public static Enumeration getNames() {
1038: return objIds.keys();
1039: }
1040: }
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