1 package org.bouncycastle.asn1.sec; 2 3 import java.math.BigInteger; 4 import java.util.Enumeration; 5 import java.util.Hashtable; 6 7 import org.bouncycastle.asn1.ASN1ObjectIdentifier; 8 import org.bouncycastle.asn1.x9.X9ECParameters; 9 import org.bouncycastle.asn1.x9.X9ECParametersHolder; 10 import org.bouncycastle.asn1.x9.X9ECPoint; 11 import org.bouncycastle.math.ec.ECConstants; 12 import org.bouncycastle.math.ec.ECCurve; 13 import org.bouncycastle.math.ec.endo.GLVTypeBEndomorphism; 14 import org.bouncycastle.math.ec.endo.GLVTypeBParameters; 15 import org.bouncycastle.util.Strings; 16 import org.bouncycastle.util.encoders.Hex; 17 18 public class SECNamedCurves 19 { configureCurve(ECCurve curve)20 private static ECCurve configureCurve(ECCurve curve) 21 { 22 return curve; 23 } 24 configureCurveGLV(ECCurve c, GLVTypeBParameters p)25 private static ECCurve configureCurveGLV(ECCurve c, GLVTypeBParameters p) 26 { 27 return c.configure().setEndomorphism(new GLVTypeBEndomorphism(c, p)).create(); 28 } 29 fromHex( String hex)30 private static BigInteger fromHex( 31 String hex) 32 { 33 return new BigInteger(1, Hex.decode(hex)); 34 } 35 36 /* 37 * secp112r1 38 */ 39 static X9ECParametersHolder secp112r1 = new X9ECParametersHolder() 40 { 41 protected X9ECParameters createParameters() 42 { 43 // p = (2^128 - 3) / 76439 44 BigInteger p = fromHex("DB7C2ABF62E35E668076BEAD208B"); 45 BigInteger a = fromHex("DB7C2ABF62E35E668076BEAD2088"); 46 BigInteger b = fromHex("659EF8BA043916EEDE8911702B22"); 47 byte[] S = Hex.decode("00F50B028E4D696E676875615175290472783FB1"); 48 BigInteger n = fromHex("DB7C2ABF62E35E7628DFAC6561C5"); 49 BigInteger h = BigInteger.valueOf(1); 50 51 ECCurve curve = configureCurve(new ECCurve.Fp(p, a, b, n, h)); 52 //ECPoint G = curve.decodePoint(Hex.decode("02" 53 //+ "09487239995A5EE76B55F9C2F098")); 54 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 55 + "09487239995A5EE76B55F9C2F098" 56 + "A89CE5AF8724C0A23E0E0FF77500")); 57 58 return new X9ECParameters(curve, G, n, h, S); 59 } 60 }; 61 62 /* 63 * secp112r2 64 */ 65 static X9ECParametersHolder secp112r2 = new X9ECParametersHolder() 66 { 67 protected X9ECParameters createParameters() 68 { 69 // p = (2^128 - 3) / 76439 70 BigInteger p = fromHex("DB7C2ABF62E35E668076BEAD208B"); 71 BigInteger a = fromHex("6127C24C05F38A0AAAF65C0EF02C"); 72 BigInteger b = fromHex("51DEF1815DB5ED74FCC34C85D709"); 73 byte[] S = Hex.decode("002757A1114D696E6768756151755316C05E0BD4"); 74 BigInteger n = fromHex("36DF0AAFD8B8D7597CA10520D04B"); 75 BigInteger h = BigInteger.valueOf(4); 76 77 ECCurve curve = configureCurve(new ECCurve.Fp(p, a, b, n, h)); 78 //ECPoint G = curve.decodePoint(Hex.decode("03" 79 //+ "4BA30AB5E892B4E1649DD0928643")); 80 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 81 + "4BA30AB5E892B4E1649DD0928643" 82 + "ADCD46F5882E3747DEF36E956E97")); 83 84 return new X9ECParameters(curve, G, n, h, S); 85 } 86 }; 87 88 /* 89 * secp128r1 90 */ 91 static X9ECParametersHolder secp128r1 = new X9ECParametersHolder() 92 { 93 protected X9ECParameters createParameters() 94 { 95 // p = 2^128 - 2^97 - 1 96 BigInteger p = fromHex("FFFFFFFDFFFFFFFFFFFFFFFFFFFFFFFF"); 97 BigInteger a = fromHex("FFFFFFFDFFFFFFFFFFFFFFFFFFFFFFFC"); 98 BigInteger b = fromHex("E87579C11079F43DD824993C2CEE5ED3"); 99 byte[] S = Hex.decode("000E0D4D696E6768756151750CC03A4473D03679"); 100 BigInteger n = fromHex("FFFFFFFE0000000075A30D1B9038A115"); 101 BigInteger h = BigInteger.valueOf(1); 102 103 ECCurve curve = configureCurve(new ECCurve.Fp(p, a, b, n, h)); 104 //ECPoint G = curve.decodePoint(Hex.decode("03" 105 //+ "161FF7528B899B2D0C28607CA52C5B86")); 106 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 107 + "161FF7528B899B2D0C28607CA52C5B86" 108 + "CF5AC8395BAFEB13C02DA292DDED7A83")); 109 110 return new X9ECParameters(curve, G, n, h, S); 111 } 112 }; 113 114 /* 115 * secp128r2 116 */ 117 static X9ECParametersHolder secp128r2 = new X9ECParametersHolder() 118 { 119 protected X9ECParameters createParameters() 120 { 121 // p = 2^128 - 2^97 - 1 122 BigInteger p = fromHex("FFFFFFFDFFFFFFFFFFFFFFFFFFFFFFFF"); 123 BigInteger a = fromHex("D6031998D1B3BBFEBF59CC9BBFF9AEE1"); 124 BigInteger b = fromHex("5EEEFCA380D02919DC2C6558BB6D8A5D"); 125 byte[] S = Hex.decode("004D696E67687561517512D8F03431FCE63B88F4"); 126 BigInteger n = fromHex("3FFFFFFF7FFFFFFFBE0024720613B5A3"); 127 BigInteger h = BigInteger.valueOf(4); 128 129 ECCurve curve = configureCurve(new ECCurve.Fp(p, a, b, n, h)); 130 //ECPoint G = curve.decodePoint(Hex.decode("02" 131 //+ "7B6AA5D85E572983E6FB32A7CDEBC140")); 132 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 133 + "7B6AA5D85E572983E6FB32A7CDEBC140" 134 + "27B6916A894D3AEE7106FE805FC34B44")); 135 136 return new X9ECParameters(curve, G, n, h, S); 137 } 138 }; 139 140 /* 141 * secp160k1 142 */ 143 static X9ECParametersHolder secp160k1 = new X9ECParametersHolder() 144 { 145 protected X9ECParameters createParameters() 146 { 147 // p = 2^160 - 2^32 - 2^14 - 2^12 - 2^9 - 2^8 - 2^7 - 2^3 - 2^2 - 1 148 BigInteger p = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFAC73"); 149 BigInteger a = ECConstants.ZERO; 150 BigInteger b = BigInteger.valueOf(7); 151 byte[] S = null; 152 BigInteger n = fromHex("0100000000000000000001B8FA16DFAB9ACA16B6B3"); 153 BigInteger h = BigInteger.valueOf(1); 154 155 GLVTypeBParameters glv = new GLVTypeBParameters( 156 new BigInteger("9ba48cba5ebcb9b6bd33b92830b2a2e0e192f10a", 16), 157 new BigInteger("c39c6c3b3a36d7701b9c71a1f5804ae5d0003f4", 16), 158 new BigInteger[]{ 159 new BigInteger("9162fbe73984472a0a9e", 16), 160 new BigInteger("-96341f1138933bc2f505", 16) }, 161 new BigInteger[]{ 162 new BigInteger("127971af8721782ecffa3", 16), 163 new BigInteger("9162fbe73984472a0a9e", 16) }, 164 new BigInteger("9162fbe73984472a0a9d0590", 16), 165 new BigInteger("96341f1138933bc2f503fd44", 16), 166 176); 167 168 ECCurve curve = configureCurveGLV(new ECCurve.Fp(p, a, b, n, h), glv); 169 // ECPoint G = curve.decodePoint(Hex.decode("02" 170 // + "3B4C382CE37AA192A4019E763036F4F5DD4D7EBB")); 171 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 172 + "3B4C382CE37AA192A4019E763036F4F5DD4D7EBB" 173 + "938CF935318FDCED6BC28286531733C3F03C4FEE")); 174 175 return new X9ECParameters(curve, G, n, h, S); 176 } 177 }; 178 179 /* 180 * secp160r1 181 */ 182 static X9ECParametersHolder secp160r1 = new X9ECParametersHolder() 183 { 184 protected X9ECParameters createParameters() 185 { 186 // p = 2^160 - 2^31 - 1 187 BigInteger p = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFF"); 188 BigInteger a = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFC"); 189 BigInteger b = fromHex("1C97BEFC54BD7A8B65ACF89F81D4D4ADC565FA45"); 190 byte[] S = Hex.decode("1053CDE42C14D696E67687561517533BF3F83345"); 191 BigInteger n = fromHex("0100000000000000000001F4C8F927AED3CA752257"); 192 BigInteger h = BigInteger.valueOf(1); 193 194 ECCurve curve = configureCurve(new ECCurve.Fp(p, a, b, n, h)); 195 //ECPoint G = curve.decodePoint(Hex.decode("02" 196 //+ "4A96B5688EF573284664698968C38BB913CBFC82")); 197 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 198 + "4A96B5688EF573284664698968C38BB913CBFC82" 199 + "23A628553168947D59DCC912042351377AC5FB32")); 200 201 return new X9ECParameters(curve, G, n, h, S); 202 } 203 }; 204 205 /* 206 * secp160r2 207 */ 208 static X9ECParametersHolder secp160r2 = new X9ECParametersHolder() 209 { 210 protected X9ECParameters createParameters() 211 { 212 // p = 2^160 - 2^32 - 2^14 - 2^12 - 2^9 - 2^8 - 2^7 - 2^3 - 2^2 - 1 213 BigInteger p = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFAC73"); 214 BigInteger a = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFAC70"); 215 BigInteger b = fromHex("B4E134D3FB59EB8BAB57274904664D5AF50388BA"); 216 byte[] S = Hex.decode("B99B99B099B323E02709A4D696E6768756151751"); 217 BigInteger n = fromHex("0100000000000000000000351EE786A818F3A1A16B"); 218 BigInteger h = BigInteger.valueOf(1); 219 220 ECCurve curve = configureCurve(new ECCurve.Fp(p, a, b, n, h)); 221 //ECPoint G = curve.decodePoint(Hex.decode("02" 222 //+ "52DCB034293A117E1F4FF11B30F7199D3144CE6D")); 223 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 224 + "52DCB034293A117E1F4FF11B30F7199D3144CE6D" 225 + "FEAFFEF2E331F296E071FA0DF9982CFEA7D43F2E")); 226 227 return new X9ECParameters(curve, G, n, h, S); 228 } 229 }; 230 231 /* 232 * secp192k1 233 */ 234 static X9ECParametersHolder secp192k1 = new X9ECParametersHolder() 235 { 236 protected X9ECParameters createParameters() 237 { 238 // p = 2^192 - 2^32 - 2^12 - 2^8 - 2^7 - 2^6 - 2^3 - 1 239 BigInteger p = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFEE37"); 240 BigInteger a = ECConstants.ZERO; 241 BigInteger b = BigInteger.valueOf(3); 242 byte[] S = null; 243 BigInteger n = fromHex("FFFFFFFFFFFFFFFFFFFFFFFE26F2FC170F69466A74DEFD8D"); 244 BigInteger h = BigInteger.valueOf(1); 245 246 GLVTypeBParameters glv = new GLVTypeBParameters( 247 new BigInteger("bb85691939b869c1d087f601554b96b80cb4f55b35f433c2", 16), 248 new BigInteger("3d84f26c12238d7b4f3d516613c1759033b1a5800175d0b1", 16), 249 new BigInteger[]{ 250 new BigInteger("71169be7330b3038edb025f1", 16), 251 new BigInteger("-b3fb3400dec5c4adceb8655c", 16) }, 252 new BigInteger[]{ 253 new BigInteger("12511cfe811d0f4e6bc688b4d", 16), 254 new BigInteger("71169be7330b3038edb025f1", 16) }, 255 new BigInteger("71169be7330b3038edb025f1d0f9", 16), 256 new BigInteger("b3fb3400dec5c4adceb8655d4c94", 16), 257 208); 258 259 ECCurve curve = configureCurveGLV(new ECCurve.Fp(p, a, b, n, h), glv); 260 //ECPoint G = curve.decodePoint(Hex.decode("03" 261 //+ "DB4FF10EC057E9AE26B07D0280B7F4341DA5D1B1EAE06C7D")); 262 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 263 + "DB4FF10EC057E9AE26B07D0280B7F4341DA5D1B1EAE06C7D" 264 + "9B2F2F6D9C5628A7844163D015BE86344082AA88D95E2F9D")); 265 266 return new X9ECParameters(curve, G, n, h, S); 267 } 268 }; 269 270 /* 271 * secp192r1 272 */ 273 static X9ECParametersHolder secp192r1 = new X9ECParametersHolder() 274 { 275 protected X9ECParameters createParameters() 276 { 277 // p = 2^192 - 2^64 - 1 278 BigInteger p = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFF"); 279 BigInteger a = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFC"); 280 BigInteger b = fromHex("64210519E59C80E70FA7E9AB72243049FEB8DEECC146B9B1"); 281 byte[] S = Hex.decode("3045AE6FC8422F64ED579528D38120EAE12196D5"); 282 BigInteger n = fromHex("FFFFFFFFFFFFFFFFFFFFFFFF99DEF836146BC9B1B4D22831"); 283 BigInteger h = BigInteger.valueOf(1); 284 285 ECCurve curve = configureCurve(new ECCurve.Fp(p, a, b, n, h)); 286 //ECPoint G = curve.decodePoint(Hex.decode("03" 287 //+ "188DA80EB03090F67CBF20EB43A18800F4FF0AFD82FF1012")); 288 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 289 + "188DA80EB03090F67CBF20EB43A18800F4FF0AFD82FF1012" 290 + "07192B95FFC8DA78631011ED6B24CDD573F977A11E794811")); 291 292 return new X9ECParameters(curve, G, n, h, S); 293 } 294 }; 295 296 /* 297 * secp224k1 298 */ 299 static X9ECParametersHolder secp224k1 = new X9ECParametersHolder() 300 { 301 protected X9ECParameters createParameters() 302 { 303 // p = 2^224 - 2^32 - 2^12 - 2^11 - 2^9 - 2^7 - 2^4 - 2 - 1 304 BigInteger p = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFE56D"); 305 BigInteger a = ECConstants.ZERO; 306 BigInteger b = BigInteger.valueOf(5); 307 byte[] S = null; 308 BigInteger n = fromHex("010000000000000000000000000001DCE8D2EC6184CAF0A971769FB1F7"); 309 BigInteger h = BigInteger.valueOf(1); 310 311 GLVTypeBParameters glv = new GLVTypeBParameters( 312 new BigInteger("fe0e87005b4e83761908c5131d552a850b3f58b749c37cf5b84d6768", 16), 313 new BigInteger("60dcd2104c4cbc0be6eeefc2bdd610739ec34e317f9b33046c9e4788", 16), 314 new BigInteger[]{ 315 new BigInteger("6b8cf07d4ca75c88957d9d670591", 16), 316 new BigInteger("-b8adf1378a6eb73409fa6c9c637d", 16) }, 317 new BigInteger[]{ 318 new BigInteger("1243ae1b4d71613bc9f780a03690e", 16), 319 new BigInteger("6b8cf07d4ca75c88957d9d670591", 16) }, 320 new BigInteger("6b8cf07d4ca75c88957d9d67059037a4", 16), 321 new BigInteger("b8adf1378a6eb73409fa6c9c637ba7f5", 16), 322 240); 323 324 ECCurve curve = configureCurveGLV(new ECCurve.Fp(p, a, b, n, h), glv); 325 //ECPoint G = curve.decodePoint(Hex.decode("03" 326 //+ "A1455B334DF099DF30FC28A169A467E9E47075A90F7E650EB6B7A45C")); 327 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 328 + "A1455B334DF099DF30FC28A169A467E9E47075A90F7E650EB6B7A45C" 329 + "7E089FED7FBA344282CAFBD6F7E319F7C0B0BD59E2CA4BDB556D61A5")); 330 331 return new X9ECParameters(curve, G, n, h, S); 332 } 333 }; 334 335 /* 336 * secp224r1 337 */ 338 static X9ECParametersHolder secp224r1 = new X9ECParametersHolder() 339 { 340 protected X9ECParameters createParameters() 341 { 342 // p = 2^224 - 2^96 + 1 343 BigInteger p = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000000000000001"); 344 BigInteger a = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFE"); 345 BigInteger b = fromHex("B4050A850C04B3ABF54132565044B0B7D7BFD8BA270B39432355FFB4"); 346 byte[] S = Hex.decode("BD71344799D5C7FCDC45B59FA3B9AB8F6A948BC5"); 347 BigInteger n = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFF16A2E0B8F03E13DD29455C5C2A3D"); 348 BigInteger h = BigInteger.valueOf(1); 349 350 ECCurve curve = configureCurve(new ECCurve.Fp(p, a, b, n, h)); 351 //ECPoint G = curve.decodePoint(Hex.decode("02" 352 //+ "B70E0CBD6BB4BF7F321390B94A03C1D356C21122343280D6115C1D21")); 353 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 354 + "B70E0CBD6BB4BF7F321390B94A03C1D356C21122343280D6115C1D21" 355 + "BD376388B5F723FB4C22DFE6CD4375A05A07476444D5819985007E34")); 356 357 return new X9ECParameters(curve, G, n, h, S); 358 } 359 }; 360 361 /* 362 * secp256k1 363 */ 364 static X9ECParametersHolder secp256k1 = new X9ECParametersHolder() 365 { 366 protected X9ECParameters createParameters() 367 { 368 // p = 2^256 - 2^32 - 2^9 - 2^8 - 2^7 - 2^6 - 2^4 - 1 369 BigInteger p = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F"); 370 BigInteger a = ECConstants.ZERO; 371 BigInteger b = BigInteger.valueOf(7); 372 byte[] S = null; 373 BigInteger n = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141"); 374 BigInteger h = BigInteger.valueOf(1); 375 376 GLVTypeBParameters glv = new GLVTypeBParameters( 377 new BigInteger("7ae96a2b657c07106e64479eac3434e99cf0497512f58995c1396c28719501ee", 16), 378 new BigInteger("5363ad4cc05c30e0a5261c028812645a122e22ea20816678df02967c1b23bd72", 16), 379 new BigInteger[]{ 380 new BigInteger("3086d221a7d46bcde86c90e49284eb15", 16), 381 new BigInteger("-e4437ed6010e88286f547fa90abfe4c3", 16) }, 382 new BigInteger[]{ 383 new BigInteger("114ca50f7a8e2f3f657c1108d9d44cfd8", 16), 384 new BigInteger("3086d221a7d46bcde86c90e49284eb15", 16) }, 385 new BigInteger("3086d221a7d46bcde86c90e49284eb153dab", 16), 386 new BigInteger("e4437ed6010e88286f547fa90abfe4c42212", 16), 387 272); 388 389 ECCurve curve = configureCurveGLV(new ECCurve.Fp(p, a, b, n, h), glv); 390 //ECPoint G = curve.decodePoint(Hex.decode("02" 391 //+ "79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798")); 392 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 393 + "79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798" 394 + "483ADA7726A3C4655DA4FBFC0E1108A8FD17B448A68554199C47D08FFB10D4B8")); 395 396 return new X9ECParameters(curve, G, n, h, S); 397 } 398 }; 399 400 /* 401 * secp256r1 402 */ 403 static X9ECParametersHolder secp256r1 = new X9ECParametersHolder() 404 { 405 protected X9ECParameters createParameters() 406 { 407 // p = 2^224 (2^32 - 1) + 2^192 + 2^96 - 1 408 BigInteger p = fromHex("FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF"); 409 BigInteger a = fromHex("FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFC"); 410 BigInteger b = fromHex("5AC635D8AA3A93E7B3EBBD55769886BC651D06B0CC53B0F63BCE3C3E27D2604B"); 411 byte[] S = Hex.decode("C49D360886E704936A6678E1139D26B7819F7E90"); 412 BigInteger n = fromHex("FFFFFFFF00000000FFFFFFFFFFFFFFFFBCE6FAADA7179E84F3B9CAC2FC632551"); 413 BigInteger h = BigInteger.valueOf(1); 414 415 ECCurve curve = configureCurve(new ECCurve.Fp(p, a, b, n, h)); 416 //ECPoint G = curve.decodePoint(Hex.decode("03" 417 //+ "6B17D1F2E12C4247F8BCE6E563A440F277037D812DEB33A0F4A13945D898C296")); 418 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 419 + "6B17D1F2E12C4247F8BCE6E563A440F277037D812DEB33A0F4A13945D898C296" 420 + "4FE342E2FE1A7F9B8EE7EB4A7C0F9E162BCE33576B315ECECBB6406837BF51F5")); 421 422 return new X9ECParameters(curve, G, n, h, S); 423 } 424 }; 425 426 /* 427 * secp384r1 428 */ 429 static X9ECParametersHolder secp384r1 = new X9ECParametersHolder() 430 { 431 protected X9ECParameters createParameters() 432 { 433 // p = 2^384 - 2^128 - 2^96 + 2^32 - 1 434 BigInteger p = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFF"); 435 BigInteger a = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFC"); 436 BigInteger b = fromHex("B3312FA7E23EE7E4988E056BE3F82D19181D9C6EFE8141120314088F5013875AC656398D8A2ED19D2A85C8EDD3EC2AEF"); 437 byte[] S = Hex.decode("A335926AA319A27A1D00896A6773A4827ACDAC73"); 438 BigInteger n = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC7634D81F4372DDF581A0DB248B0A77AECEC196ACCC52973"); 439 BigInteger h = BigInteger.valueOf(1); 440 441 ECCurve curve = configureCurve(new ECCurve.Fp(p, a, b, n, h)); 442 //ECPoint G = curve.decodePoint(Hex.decode("03" 443 //+ "AA87CA22BE8B05378EB1C71EF320AD746E1D3B628BA79B9859F741E082542A385502F25DBF55296C3A545E3872760AB7")); 444 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 445 + "AA87CA22BE8B05378EB1C71EF320AD746E1D3B628BA79B9859F741E082542A385502F25DBF55296C3A545E3872760AB7" 446 + "3617DE4A96262C6F5D9E98BF9292DC29F8F41DBD289A147CE9DA3113B5F0B8C00A60B1CE1D7E819D7A431D7C90EA0E5F")); 447 448 return new X9ECParameters(curve, G, n, h, S); 449 } 450 }; 451 452 /* 453 * secp521r1 454 */ 455 static X9ECParametersHolder secp521r1 = new X9ECParametersHolder() 456 { 457 protected X9ECParameters createParameters() 458 { 459 // p = 2^521 - 1 460 BigInteger p = fromHex("01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"); 461 BigInteger a = fromHex("01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC"); 462 BigInteger b = fromHex("0051953EB9618E1C9A1F929A21A0B68540EEA2DA725B99B315F3B8B489918EF109E156193951EC7E937B1652C0BD3BB1BF073573DF883D2C34F1EF451FD46B503F00"); 463 byte[] S = Hex.decode("D09E8800291CB85396CC6717393284AAA0DA64BA"); 464 BigInteger n = fromHex("01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFA51868783BF2F966B7FCC0148F709A5D03BB5C9B8899C47AEBB6FB71E91386409"); 465 BigInteger h = BigInteger.valueOf(1); 466 467 ECCurve curve = configureCurve(new ECCurve.Fp(p, a, b, n, h)); 468 469 //ECPoint G = curve.decodePoint(Hex.decode("02" 470 //+ "00C6858E06B70404E9CD9E3ECB662395B4429C648139053FB521F828AF606B4D3DBAA14B5E77EFE75928FE1DC127A2FFA8DE3348B3C1856A429BF97E7E31C2E5BD66")); 471 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 472 + "00C6858E06B70404E9CD9E3ECB662395B4429C648139053FB521F828AF606B4D3DBAA14B5E77EFE75928FE1DC127A2FFA8DE3348B3C1856A429BF97E7E31C2E5BD66" 473 + "011839296A789A3BC0045C8A5FB42C7D1BD998F54449579B446817AFBD17273E662C97EE72995EF42640C550B9013FAD0761353C7086A272C24088BE94769FD16650")); 474 475 return new X9ECParameters(curve, G, n, h, S); 476 } 477 }; 478 479 /* 480 * sect113r1 481 */ 482 static X9ECParametersHolder sect113r1 = new X9ECParametersHolder() 483 { 484 protected X9ECParameters createParameters() 485 { 486 int m = 113; 487 int k = 9; 488 489 BigInteger a = fromHex("003088250CA6E7C7FE649CE85820F7"); 490 BigInteger b = fromHex("00E8BEE4D3E2260744188BE0E9C723"); 491 byte[] S = Hex.decode("10E723AB14D696E6768756151756FEBF8FCB49A9"); 492 BigInteger n = fromHex("0100000000000000D9CCEC8A39E56F"); 493 BigInteger h = BigInteger.valueOf(2); 494 495 ECCurve curve = configureCurve(new ECCurve.F2m(m, k, a, b, n, h)); 496 //ECPoint G = curve.decodePoint(Hex.decode("03" 497 //+ "009D73616F35F4AB1407D73562C10F")); 498 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 499 + "009D73616F35F4AB1407D73562C10F" 500 + "00A52830277958EE84D1315ED31886")); 501 502 return new X9ECParameters(curve, G, n, h, S); 503 } 504 }; 505 506 /* 507 * sect113r2 508 */ 509 static X9ECParametersHolder sect113r2 = new X9ECParametersHolder() 510 { 511 protected X9ECParameters createParameters() 512 { 513 int m = 113; 514 int k = 9; 515 516 BigInteger a = fromHex("00689918DBEC7E5A0DD6DFC0AA55C7"); 517 BigInteger b = fromHex("0095E9A9EC9B297BD4BF36E059184F"); 518 byte[] S = Hex.decode("10C0FB15760860DEF1EEF4D696E676875615175D"); 519 BigInteger n = fromHex("010000000000000108789B2496AF93"); 520 BigInteger h = BigInteger.valueOf(2); 521 522 ECCurve curve = configureCurve(new ECCurve.F2m(m, k, a, b, n, h)); 523 //ECPoint G = curve.decodePoint(Hex.decode("03" 524 //+ "01A57A6A7B26CA5EF52FCDB8164797")); 525 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 526 + "01A57A6A7B26CA5EF52FCDB8164797" 527 + "00B3ADC94ED1FE674C06E695BABA1D")); 528 529 return new X9ECParameters(curve, G, n, h, S); 530 } 531 }; 532 533 /* 534 * sect131r1 535 */ 536 static X9ECParametersHolder sect131r1 = new X9ECParametersHolder() 537 { 538 protected X9ECParameters createParameters() 539 { 540 int m = 131; 541 int k1 = 2; 542 int k2 = 3; 543 int k3 = 8; 544 545 BigInteger a = fromHex("07A11B09A76B562144418FF3FF8C2570B8"); 546 BigInteger b = fromHex("0217C05610884B63B9C6C7291678F9D341"); 547 byte[] S = Hex.decode("4D696E676875615175985BD3ADBADA21B43A97E2"); 548 BigInteger n = fromHex("0400000000000000023123953A9464B54D"); 549 BigInteger h = BigInteger.valueOf(2); 550 551 ECCurve curve = configureCurve(new ECCurve.F2m(m, k1, k2, k3, a, b, n, h)); 552 //ECPoint G = curve.decodePoint(Hex.decode("03" 553 //+ "0081BAF91FDF9833C40F9C181343638399")); 554 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 555 + "0081BAF91FDF9833C40F9C181343638399" 556 + "078C6E7EA38C001F73C8134B1B4EF9E150")); 557 558 return new X9ECParameters(curve, G, n, h, S); 559 } 560 }; 561 562 /* 563 * sect131r2 564 */ 565 static X9ECParametersHolder sect131r2 = new X9ECParametersHolder() 566 { 567 protected X9ECParameters createParameters() 568 { 569 int m = 131; 570 int k1 = 2; 571 int k2 = 3; 572 int k3 = 8; 573 574 BigInteger a = fromHex("03E5A88919D7CAFCBF415F07C2176573B2"); 575 BigInteger b = fromHex("04B8266A46C55657AC734CE38F018F2192"); 576 byte[] S = Hex.decode("985BD3ADBAD4D696E676875615175A21B43A97E3"); 577 BigInteger n = fromHex("0400000000000000016954A233049BA98F"); 578 BigInteger h = BigInteger.valueOf(2); 579 580 ECCurve curve = configureCurve(new ECCurve.F2m(m, k1, k2, k3, a, b, n, h)); 581 //ECPoint G = curve.decodePoint(Hex.decode("03" 582 //+ "0356DCD8F2F95031AD652D23951BB366A8")); 583 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 584 + "0356DCD8F2F95031AD652D23951BB366A8" 585 + "0648F06D867940A5366D9E265DE9EB240F")); 586 587 return new X9ECParameters(curve, G, n, h, S); 588 } 589 }; 590 591 /* 592 * sect163k1 593 */ 594 static X9ECParametersHolder sect163k1 = new X9ECParametersHolder() 595 { 596 protected X9ECParameters createParameters() 597 { 598 int m = 163; 599 int k1 = 3; 600 int k2 = 6; 601 int k3 = 7; 602 603 BigInteger a = BigInteger.valueOf(1); 604 BigInteger b = BigInteger.valueOf(1); 605 byte[] S = null; 606 BigInteger n = fromHex("04000000000000000000020108A2E0CC0D99F8A5EF"); 607 BigInteger h = BigInteger.valueOf(2); 608 609 ECCurve curve = configureCurve(new ECCurve.F2m(m, k1, k2, k3, a, b, n, h)); 610 //ECPoint G = curve.decodePoint(Hex.decode("03" 611 //+ "02FE13C0537BBC11ACAA07D793DE4E6D5E5C94EEE8")); 612 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 613 + "02FE13C0537BBC11ACAA07D793DE4E6D5E5C94EEE8" 614 + "0289070FB05D38FF58321F2E800536D538CCDAA3D9")); 615 616 return new X9ECParameters(curve, G, n, h, S); 617 } 618 }; 619 620 /* 621 * sect163r1 622 */ 623 static X9ECParametersHolder sect163r1 = new X9ECParametersHolder() 624 { 625 protected X9ECParameters createParameters() 626 { 627 int m = 163; 628 int k1 = 3; 629 int k2 = 6; 630 int k3 = 7; 631 632 BigInteger a = fromHex("07B6882CAAEFA84F9554FF8428BD88E246D2782AE2"); 633 BigInteger b = fromHex("0713612DCDDCB40AAB946BDA29CA91F73AF958AFD9"); 634 byte[] S = Hex.decode("24B7B137C8A14D696E6768756151756FD0DA2E5C"); 635 BigInteger n = fromHex("03FFFFFFFFFFFFFFFFFFFF48AAB689C29CA710279B"); 636 BigInteger h = BigInteger.valueOf(2); 637 638 ECCurve curve = configureCurve(new ECCurve.F2m(m, k1, k2, k3, a, b, n, h)); 639 //ECPoint G = curve.decodePoint(Hex.decode("03" 640 //+ "0369979697AB43897789566789567F787A7876A654")); 641 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 642 + "0369979697AB43897789566789567F787A7876A654" 643 + "00435EDB42EFAFB2989D51FEFCE3C80988F41FF883")); 644 645 return new X9ECParameters(curve, G, n, h, S); 646 } 647 }; 648 649 /* 650 * sect163r2 651 */ 652 static X9ECParametersHolder sect163r2 = new X9ECParametersHolder() 653 { 654 protected X9ECParameters createParameters() 655 { 656 int m = 163; 657 int k1 = 3; 658 int k2 = 6; 659 int k3 = 7; 660 661 BigInteger a = BigInteger.valueOf(1); 662 BigInteger b = fromHex("020A601907B8C953CA1481EB10512F78744A3205FD"); 663 byte[] S = Hex.decode("85E25BFE5C86226CDB12016F7553F9D0E693A268"); 664 BigInteger n = fromHex("040000000000000000000292FE77E70C12A4234C33"); 665 BigInteger h = BigInteger.valueOf(2); 666 667 ECCurve curve = configureCurve(new ECCurve.F2m(m, k1, k2, k3, a, b, n, h)); 668 //ECPoint G = curve.decodePoint(Hex.decode("03" 669 //+ "03F0EBA16286A2D57EA0991168D4994637E8343E36")); 670 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 671 + "03F0EBA16286A2D57EA0991168D4994637E8343E36" 672 + "00D51FBC6C71A0094FA2CDD545B11C5C0C797324F1")); 673 674 return new X9ECParameters(curve, G, n, h, S); 675 } 676 }; 677 678 /* 679 * sect193r1 680 */ 681 static X9ECParametersHolder sect193r1 = new X9ECParametersHolder() 682 { 683 protected X9ECParameters createParameters() 684 { 685 int m = 193; 686 int k = 15; 687 688 BigInteger a = fromHex("0017858FEB7A98975169E171F77B4087DE098AC8A911DF7B01"); 689 BigInteger b = fromHex("00FDFB49BFE6C3A89FACADAA7A1E5BBC7CC1C2E5D831478814"); 690 byte[] S = Hex.decode("103FAEC74D696E676875615175777FC5B191EF30"); 691 BigInteger n = fromHex("01000000000000000000000000C7F34A778F443ACC920EBA49"); 692 BigInteger h = BigInteger.valueOf(2); 693 694 ECCurve curve = configureCurve(new ECCurve.F2m(m, k, a, b, n, h)); 695 //ECPoint G = curve.decodePoint(Hex.decode("03" 696 //+ "01F481BC5F0FF84A74AD6CDF6FDEF4BF6179625372D8C0C5E1")); 697 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 698 + "01F481BC5F0FF84A74AD6CDF6FDEF4BF6179625372D8C0C5E1" 699 + "0025E399F2903712CCF3EA9E3A1AD17FB0B3201B6AF7CE1B05")); 700 701 return new X9ECParameters(curve, G, n, h, S); 702 } 703 }; 704 705 /* 706 * sect193r2 707 */ 708 static X9ECParametersHolder sect193r2 = new X9ECParametersHolder() 709 { 710 protected X9ECParameters createParameters() 711 { 712 int m = 193; 713 int k = 15; 714 715 BigInteger a = fromHex("0163F35A5137C2CE3EA6ED8667190B0BC43ECD69977702709B"); 716 BigInteger b = fromHex("00C9BB9E8927D4D64C377E2AB2856A5B16E3EFB7F61D4316AE"); 717 byte[] S = Hex.decode("10B7B4D696E676875615175137C8A16FD0DA2211"); 718 BigInteger n = fromHex("010000000000000000000000015AAB561B005413CCD4EE99D5"); 719 BigInteger h = BigInteger.valueOf(2); 720 721 ECCurve curve = configureCurve(new ECCurve.F2m(m, k, a, b, n, h)); 722 //ECPoint G = curve.decodePoint(Hex.decode("03" 723 //+ "00D9B67D192E0367C803F39E1A7E82CA14A651350AAE617E8F")); 724 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 725 + "00D9B67D192E0367C803F39E1A7E82CA14A651350AAE617E8F" 726 + "01CE94335607C304AC29E7DEFBD9CA01F596F927224CDECF6C")); 727 728 return new X9ECParameters(curve, G, n, h, S); 729 } 730 }; 731 732 /* 733 * sect233k1 734 */ 735 static X9ECParametersHolder sect233k1 = new X9ECParametersHolder() 736 { 737 protected X9ECParameters createParameters() 738 { 739 int m = 233; 740 int k = 74; 741 742 BigInteger a = ECConstants.ZERO; 743 BigInteger b = BigInteger.valueOf(1); 744 byte[] S = null; 745 BigInteger n = fromHex("8000000000000000000000000000069D5BB915BCD46EFB1AD5F173ABDF"); 746 BigInteger h = BigInteger.valueOf(4); 747 748 ECCurve curve = configureCurve(new ECCurve.F2m(m, k, a, b, n, h)); 749 //ECPoint G = curve.decodePoint(Hex.decode("02" 750 //+ "017232BA853A7E731AF129F22FF4149563A419C26BF50A4C9D6EEFAD6126")); 751 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 752 + "017232BA853A7E731AF129F22FF4149563A419C26BF50A4C9D6EEFAD6126" 753 + "01DB537DECE819B7F70F555A67C427A8CD9BF18AEB9B56E0C11056FAE6A3")); 754 755 return new X9ECParameters(curve, G, n, h, S); 756 } 757 }; 758 759 /* 760 * sect233r1 761 */ 762 static X9ECParametersHolder sect233r1 = new X9ECParametersHolder() 763 { 764 protected X9ECParameters createParameters() 765 { 766 int m = 233; 767 int k = 74; 768 769 BigInteger a = BigInteger.valueOf(1); 770 BigInteger b = fromHex("0066647EDE6C332C7F8C0923BB58213B333B20E9CE4281FE115F7D8F90AD"); 771 byte[] S = Hex.decode("74D59FF07F6B413D0EA14B344B20A2DB049B50C3"); 772 BigInteger n = fromHex("01000000000000000000000000000013E974E72F8A6922031D2603CFE0D7"); 773 BigInteger h = BigInteger.valueOf(2); 774 775 ECCurve curve = configureCurve(new ECCurve.F2m(m, k, a, b, n, h)); 776 //ECPoint G = curve.decodePoint(Hex.decode("03" 777 //+ "00FAC9DFCBAC8313BB2139F1BB755FEF65BC391F8B36F8F8EB7371FD558B")); 778 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 779 + "00FAC9DFCBAC8313BB2139F1BB755FEF65BC391F8B36F8F8EB7371FD558B" 780 + "01006A08A41903350678E58528BEBF8A0BEFF867A7CA36716F7E01F81052")); 781 782 return new X9ECParameters(curve, G, n, h, S); 783 } 784 }; 785 786 /* 787 * sect239k1 788 */ 789 static X9ECParametersHolder sect239k1 = new X9ECParametersHolder() 790 { 791 protected X9ECParameters createParameters() 792 { 793 int m = 239; 794 int k = 158; 795 796 BigInteger a = ECConstants.ZERO; 797 BigInteger b = BigInteger.valueOf(1); 798 byte[] S = null; 799 BigInteger n = fromHex("2000000000000000000000000000005A79FEC67CB6E91F1C1DA800E478A5"); 800 BigInteger h = BigInteger.valueOf(4); 801 802 ECCurve curve = configureCurve(new ECCurve.F2m(m, k, a, b, n, h)); 803 //ECPoint G = curve.decodePoint(Hex.decode("03" 804 //+ "29A0B6A887A983E9730988A68727A8B2D126C44CC2CC7B2A6555193035DC")); 805 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 806 + "29A0B6A887A983E9730988A68727A8B2D126C44CC2CC7B2A6555193035DC" 807 + "76310804F12E549BDB011C103089E73510ACB275FC312A5DC6B76553F0CA")); 808 809 return new X9ECParameters(curve, G, n, h, S); 810 } 811 }; 812 813 /* 814 * sect283k1 815 */ 816 static X9ECParametersHolder sect283k1 = new X9ECParametersHolder() 817 { 818 protected X9ECParameters createParameters() 819 { 820 int m = 283; 821 int k1 = 5; 822 int k2 = 7; 823 int k3 = 12; 824 825 BigInteger a = ECConstants.ZERO; 826 BigInteger b = BigInteger.valueOf(1); 827 byte[] S = null; 828 BigInteger n = fromHex("01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE9AE2ED07577265DFF7F94451E061E163C61"); 829 BigInteger h = BigInteger.valueOf(4); 830 831 ECCurve curve = configureCurve(new ECCurve.F2m(m, k1, k2, k3, a, b, n, h)); 832 //ECPoint G = curve.decodePoint(Hex.decode("02" 833 //+ "0503213F78CA44883F1A3B8162F188E553CD265F23C1567A16876913B0C2AC2458492836")); 834 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 835 + "0503213F78CA44883F1A3B8162F188E553CD265F23C1567A16876913B0C2AC2458492836" 836 + "01CCDA380F1C9E318D90F95D07E5426FE87E45C0E8184698E45962364E34116177DD2259")); 837 838 return new X9ECParameters(curve, G, n, h, S); 839 } 840 }; 841 842 /* 843 * sect283r1 844 */ 845 static X9ECParametersHolder sect283r1 = new X9ECParametersHolder() 846 { 847 protected X9ECParameters createParameters() 848 { 849 int m = 283; 850 int k1 = 5; 851 int k2 = 7; 852 int k3 = 12; 853 854 BigInteger a = BigInteger.valueOf(1); 855 BigInteger b = fromHex("027B680AC8B8596DA5A4AF8A19A0303FCA97FD7645309FA2A581485AF6263E313B79A2F5"); 856 byte[] S = Hex.decode("77E2B07370EB0F832A6DD5B62DFC88CD06BB84BE"); 857 BigInteger n = fromHex("03FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEF90399660FC938A90165B042A7CEFADB307"); 858 BigInteger h = BigInteger.valueOf(2); 859 860 ECCurve curve = configureCurve(new ECCurve.F2m(m, k1, k2, k3, a, b, n, h)); 861 //ECPoint G = curve.decodePoint(Hex.decode("03" 862 //+ "05F939258DB7DD90E1934F8C70B0DFEC2EED25B8557EAC9C80E2E198F8CDBECD86B12053")); 863 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 864 + "05F939258DB7DD90E1934F8C70B0DFEC2EED25B8557EAC9C80E2E198F8CDBECD86B12053" 865 + "03676854FE24141CB98FE6D4B20D02B4516FF702350EDDB0826779C813F0DF45BE8112F4")); 866 867 return new X9ECParameters(curve, G, n, h, S); 868 } 869 }; 870 871 /* 872 * sect409k1 873 */ 874 static X9ECParametersHolder sect409k1 = new X9ECParametersHolder() 875 { 876 protected X9ECParameters createParameters() 877 { 878 int m = 409; 879 int k = 87; 880 881 BigInteger a = ECConstants.ZERO; 882 BigInteger b = BigInteger.valueOf(1); 883 byte[] S = null; 884 BigInteger n = fromHex("7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE5F83B2D4EA20400EC4557D5ED3E3E7CA5B4B5C83B8E01E5FCF"); 885 BigInteger h = BigInteger.valueOf(4); 886 887 ECCurve curve = configureCurve(new ECCurve.F2m(m, k, a, b, n, h)); 888 //ECPoint G = curve.decodePoint(Hex.decode("03" 889 //+ "0060F05F658F49C1AD3AB1890F7184210EFD0987E307C84C27ACCFB8F9F67CC2C460189EB5AAAA62EE222EB1B35540CFE9023746")); 890 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 891 + "0060F05F658F49C1AD3AB1890F7184210EFD0987E307C84C27ACCFB8F9F67CC2C460189EB5AAAA62EE222EB1B35540CFE9023746" 892 + "01E369050B7C4E42ACBA1DACBF04299C3460782F918EA427E6325165E9EA10E3DA5F6C42E9C55215AA9CA27A5863EC48D8E0286B")); 893 894 return new X9ECParameters(curve, G, n, h, S); 895 } 896 }; 897 898 /* 899 * sect409r1 900 */ 901 static X9ECParametersHolder sect409r1 = new X9ECParametersHolder() 902 { 903 protected X9ECParameters createParameters() 904 { 905 int m = 409; 906 int k = 87; 907 908 BigInteger a = BigInteger.valueOf(1); 909 BigInteger b = fromHex("0021A5C2C8EE9FEB5C4B9A753B7B476B7FD6422EF1F3DD674761FA99D6AC27C8A9A197B272822F6CD57A55AA4F50AE317B13545F"); 910 byte[] S = Hex.decode("4099B5A457F9D69F79213D094C4BCD4D4262210B"); 911 BigInteger n = fromHex("010000000000000000000000000000000000000000000000000001E2AAD6A612F33307BE5FA47C3C9E052F838164CD37D9A21173"); 912 BigInteger h = BigInteger.valueOf(2); 913 914 ECCurve curve = configureCurve(new ECCurve.F2m(m, k, a, b, n, h)); 915 //ECPoint G = curve.decodePoint(Hex.decode("03" 916 //+ "015D4860D088DDB3496B0C6064756260441CDE4AF1771D4DB01FFE5B34E59703DC255A868A1180515603AEAB60794E54BB7996A7")); 917 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 918 + "015D4860D088DDB3496B0C6064756260441CDE4AF1771D4DB01FFE5B34E59703DC255A868A1180515603AEAB60794E54BB7996A7" 919 + "0061B1CFAB6BE5F32BBFA78324ED106A7636B9C5A7BD198D0158AA4F5488D08F38514F1FDF4B4F40D2181B3681C364BA0273C706")); 920 921 return new X9ECParameters(curve, G, n, h, S); 922 } 923 }; 924 925 /* 926 * sect571k1 927 */ 928 static X9ECParametersHolder sect571k1 = new X9ECParametersHolder() 929 { 930 protected X9ECParameters createParameters() 931 { 932 int m = 571; 933 int k1 = 2; 934 int k2 = 5; 935 int k3 = 10; 936 937 BigInteger a = ECConstants.ZERO; 938 BigInteger b = BigInteger.valueOf(1); 939 byte[] S = null; 940 BigInteger n = fromHex("020000000000000000000000000000000000000000000000000000000000000000000000131850E1F19A63E4B391A8DB917F4138B630D84BE5D639381E91DEB45CFE778F637C1001"); 941 BigInteger h = BigInteger.valueOf(4); 942 943 ECCurve curve = configureCurve(new ECCurve.F2m(m, k1, k2, k3, a, b, n, h)); 944 //ECPoint G = curve.decodePoint(Hex.decode("02" 945 //+ "026EB7A859923FBC82189631F8103FE4AC9CA2970012D5D46024804801841CA44370958493B205E647DA304DB4CEB08CBBD1BA39494776FB988B47174DCA88C7E2945283A01C8972")); 946 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 947 + "026EB7A859923FBC82189631F8103FE4AC9CA2970012D5D46024804801841CA44370958493B205E647DA304DB4CEB08CBBD1BA39494776FB988B47174DCA88C7E2945283A01C8972" 948 + "0349DC807F4FBF374F4AEADE3BCA95314DD58CEC9F307A54FFC61EFC006D8A2C9D4979C0AC44AEA74FBEBBB9F772AEDCB620B01A7BA7AF1B320430C8591984F601CD4C143EF1C7A3")); 949 950 return new X9ECParameters(curve, G, n, h, S); 951 } 952 }; 953 954 /* 955 * sect571r1 956 */ 957 static X9ECParametersHolder sect571r1 = new X9ECParametersHolder() 958 { 959 protected X9ECParameters createParameters() 960 { 961 int m = 571; 962 int k1 = 2; 963 int k2 = 5; 964 int k3 = 10; 965 966 BigInteger a = BigInteger.valueOf(1); 967 BigInteger b = fromHex("02F40E7E2221F295DE297117B7F3D62F5C6A97FFCB8CEFF1CD6BA8CE4A9A18AD84FFABBD8EFA59332BE7AD6756A66E294AFD185A78FF12AA520E4DE739BACA0C7FFEFF7F2955727A"); 968 byte[] S = Hex.decode("2AA058F73A0E33AB486B0F610410C53A7F132310"); 969 BigInteger n = fromHex("03FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE661CE18FF55987308059B186823851EC7DD9CA1161DE93D5174D66E8382E9BB2FE84E47"); 970 BigInteger h = BigInteger.valueOf(2); 971 972 ECCurve curve = configureCurve(new ECCurve.F2m(m, k1, k2, k3, a, b, n, h)); 973 //ECPoint G = curve.decodePoint(Hex.decode("03" 974 //+ "0303001D34B856296C16C0D40D3CD7750A93D1D2955FA80AA5F40FC8DB7B2ABDBDE53950F4C0D293CDD711A35B67FB1499AE60038614F1394ABFA3B4C850D927E1E7769C8EEC2D19")); 975 X9ECPoint G = new X9ECPoint(curve, Hex.decode("04" 976 + "0303001D34B856296C16C0D40D3CD7750A93D1D2955FA80AA5F40FC8DB7B2ABDBDE53950F4C0D293CDD711A35B67FB1499AE60038614F1394ABFA3B4C850D927E1E7769C8EEC2D19" 977 + "037BF27342DA639B6DCCFFFEB73D69D78C6C27A6009CBBCA1980F8533921E8A684423E43BAB08A576291AF8F461BB2A8B3531D2F0485C19B16E2F1516E23DD3C1A4827AF1B8AC15B")); 978 979 return new X9ECParameters(curve, G, n, h, S); 980 } 981 }; 982 983 984 static final Hashtable objIds = new Hashtable(); 985 static final Hashtable curves = new Hashtable(); 986 static final Hashtable names = new Hashtable(); 987 defineCurve(String name, ASN1ObjectIdentifier oid, X9ECParametersHolder holder)988 static void defineCurve(String name, ASN1ObjectIdentifier oid, X9ECParametersHolder holder) 989 { 990 objIds.put(name, oid); 991 names.put(oid, name); 992 curves.put(oid, holder); 993 } 994 995 static 996 { 997 defineCurve("secp112r1", SECObjectIdentifiers.secp112r1, secp112r1); 998 defineCurve("secp112r2", SECObjectIdentifiers.secp112r2, secp112r2); 999 defineCurve("secp128r1", SECObjectIdentifiers.secp128r1, secp128r1); 1000 defineCurve("secp128r2", SECObjectIdentifiers.secp128r2, secp128r2); 1001 defineCurve("secp160k1", SECObjectIdentifiers.secp160k1, secp160k1); 1002 defineCurve("secp160r1", SECObjectIdentifiers.secp160r1, secp160r1); 1003 defineCurve("secp160r2", SECObjectIdentifiers.secp160r2, secp160r2); 1004 defineCurve("secp192k1", SECObjectIdentifiers.secp192k1, secp192k1); 1005 defineCurve("secp192r1", SECObjectIdentifiers.secp192r1, secp192r1); 1006 defineCurve("secp224k1", SECObjectIdentifiers.secp224k1, secp224k1); 1007 defineCurve("secp224r1", SECObjectIdentifiers.secp224r1, secp224r1); 1008 defineCurve("secp256k1", SECObjectIdentifiers.secp256k1, secp256k1); 1009 defineCurve("secp256r1", SECObjectIdentifiers.secp256r1, secp256r1); 1010 defineCurve("secp384r1", SECObjectIdentifiers.secp384r1, secp384r1); 1011 defineCurve("secp521r1", SECObjectIdentifiers.secp521r1, secp521r1); 1012 1013 defineCurve("sect113r1", SECObjectIdentifiers.sect113r1, sect113r1); 1014 defineCurve("sect113r2", SECObjectIdentifiers.sect113r2, sect113r2); 1015 defineCurve("sect131r1", SECObjectIdentifiers.sect131r1, sect131r1); 1016 defineCurve("sect131r2", SECObjectIdentifiers.sect131r2, sect131r2); 1017 defineCurve("sect163k1", SECObjectIdentifiers.sect163k1, sect163k1); 1018 defineCurve("sect163r1", SECObjectIdentifiers.sect163r1, sect163r1); 1019 defineCurve("sect163r2", SECObjectIdentifiers.sect163r2, sect163r2); 1020 defineCurve("sect193r1", SECObjectIdentifiers.sect193r1, sect193r1); 1021 defineCurve("sect193r2", SECObjectIdentifiers.sect193r2, sect193r2); 1022 defineCurve("sect233k1", SECObjectIdentifiers.sect233k1, sect233k1); 1023 defineCurve("sect233r1", SECObjectIdentifiers.sect233r1, sect233r1); 1024 defineCurve("sect239k1", SECObjectIdentifiers.sect239k1, sect239k1); 1025 defineCurve("sect283k1", SECObjectIdentifiers.sect283k1, sect283k1); 1026 defineCurve("sect283r1", SECObjectIdentifiers.sect283r1, sect283r1); 1027 defineCurve("sect409k1", SECObjectIdentifiers.sect409k1, sect409k1); 1028 defineCurve("sect409r1", SECObjectIdentifiers.sect409r1, sect409r1); 1029 defineCurve("sect571k1", SECObjectIdentifiers.sect571k1, sect571k1); 1030 defineCurve("sect571r1", SECObjectIdentifiers.sect571r1, sect571r1); 1031 } 1032 getByName( String name)1033 public static X9ECParameters getByName( 1034 String name) 1035 { 1036 ASN1ObjectIdentifier oid = getOID(name); 1037 return oid == null ? null : getByOID(oid); 1038 } 1039 1040 /** 1041 * return the X9ECParameters object for the named curve represented by 1042 * the passed in object identifier. Null if the curve isn't present. 1043 * 1044 * @param oid an object identifier representing a named curve, if present. 1045 */ getByOID( ASN1ObjectIdentifier oid)1046 public static X9ECParameters getByOID( 1047 ASN1ObjectIdentifier oid) 1048 { 1049 X9ECParametersHolder holder = (X9ECParametersHolder)curves.get(oid); 1050 return holder == null ? null : holder.getParameters(); 1051 } 1052 1053 /** 1054 * return the object identifier signified by the passed in name. Null 1055 * if there is no object identifier associated with name. 1056 * 1057 * @return the object identifier associated with name, if present. 1058 */ getOID( String name)1059 public static ASN1ObjectIdentifier getOID( 1060 String name) 1061 { 1062 return (ASN1ObjectIdentifier)objIds.get(Strings.toLowerCase(name)); 1063 } 1064 1065 /** 1066 * return the named curve name represented by the given object identifier. 1067 */ getName( ASN1ObjectIdentifier oid)1068 public static String getName( 1069 ASN1ObjectIdentifier oid) 1070 { 1071 return (String)names.get(oid); 1072 } 1073 1074 /** 1075 * returns an enumeration containing the name strings for curves 1076 * contained in this structure. 1077 */ getNames()1078 public static Enumeration getNames() 1079 { 1080 return names.elements(); 1081 } 1082 } 1083