org.bouncycastle.crypto.ec.CustomNamedCurves Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of bcprov-ext-debug-jdk18on Show documentation
Show all versions of bcprov-ext-debug-jdk18on Show documentation
The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for Java 1.8 and later with debug enabled.
The newest version!
package org.bouncycastle.crypto.ec;
import java.math.BigInteger;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Vector;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.cryptlib.CryptlibObjectIdentifiers;
import org.bouncycastle.asn1.gm.GMObjectIdentifiers;
import org.bouncycastle.asn1.sec.SECObjectIdentifiers;
import org.bouncycastle.asn1.x9.X9ECParameters;
import org.bouncycastle.asn1.x9.X9ECParametersHolder;
import org.bouncycastle.asn1.x9.X9ECPoint;
import org.bouncycastle.math.ec.ECCurve;
import org.bouncycastle.math.ec.WNafUtil;
import org.bouncycastle.math.ec.custom.djb.Curve25519;
import org.bouncycastle.math.ec.custom.gm.SM2P256V1Curve;
import org.bouncycastle.math.ec.custom.sec.SecP128R1Curve;
import org.bouncycastle.math.ec.custom.sec.SecP160K1Curve;
import org.bouncycastle.math.ec.custom.sec.SecP160R1Curve;
import org.bouncycastle.math.ec.custom.sec.SecP160R2Curve;
import org.bouncycastle.math.ec.custom.sec.SecP192K1Curve;
import org.bouncycastle.math.ec.custom.sec.SecP192R1Curve;
import org.bouncycastle.math.ec.custom.sec.SecP224K1Curve;
import org.bouncycastle.math.ec.custom.sec.SecP224R1Curve;
import org.bouncycastle.math.ec.custom.sec.SecP256K1Curve;
import org.bouncycastle.math.ec.custom.sec.SecP256R1Curve;
import org.bouncycastle.math.ec.custom.sec.SecP384R1Curve;
import org.bouncycastle.math.ec.custom.sec.SecP521R1Curve;
import org.bouncycastle.math.ec.custom.sec.SecT113R1Curve;
import org.bouncycastle.math.ec.custom.sec.SecT113R2Curve;
import org.bouncycastle.math.ec.custom.sec.SecT131R1Curve;
import org.bouncycastle.math.ec.custom.sec.SecT131R2Curve;
import org.bouncycastle.math.ec.custom.sec.SecT163K1Curve;
import org.bouncycastle.math.ec.custom.sec.SecT163R1Curve;
import org.bouncycastle.math.ec.custom.sec.SecT163R2Curve;
import org.bouncycastle.math.ec.custom.sec.SecT193R1Curve;
import org.bouncycastle.math.ec.custom.sec.SecT193R2Curve;
import org.bouncycastle.math.ec.custom.sec.SecT233K1Curve;
import org.bouncycastle.math.ec.custom.sec.SecT233R1Curve;
import org.bouncycastle.math.ec.custom.sec.SecT239K1Curve;
import org.bouncycastle.math.ec.custom.sec.SecT283K1Curve;
import org.bouncycastle.math.ec.custom.sec.SecT283R1Curve;
import org.bouncycastle.math.ec.custom.sec.SecT409K1Curve;
import org.bouncycastle.math.ec.custom.sec.SecT409R1Curve;
import org.bouncycastle.math.ec.custom.sec.SecT571K1Curve;
import org.bouncycastle.math.ec.custom.sec.SecT571R1Curve;
import org.bouncycastle.math.ec.endo.GLVTypeBEndomorphism;
import org.bouncycastle.math.ec.endo.GLVTypeBParameters;
import org.bouncycastle.math.ec.endo.ScalarSplitParameters;
import org.bouncycastle.util.Strings;
import org.bouncycastle.util.encoders.Hex;
public class CustomNamedCurves
{
private static X9ECPoint configureBasepoint(ECCurve curve, String encoding)
{
X9ECPoint G = new X9ECPoint(curve, Hex.decodeStrict(encoding));
WNafUtil.configureBasepoint(G.getPoint());
return G;
}
private static ECCurve configureCurve(ECCurve curve)
{
return curve;
}
private static ECCurve configureCurveGLV(ECCurve c, GLVTypeBParameters p)
{
return c.configure().setEndomorphism(new GLVTypeBEndomorphism(c, p)).create();
}
/*
* curve25519
*/
static X9ECParametersHolder curve25519 = new X9ECParametersHolder()
{
protected ECCurve createCurve()
{
return configureCurve(new Curve25519());
}
protected X9ECParameters createParameters()
{
byte[] S = null;
ECCurve curve = getCurve();
/*
* 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 = configureBasepoint(curve,
"042AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD245A20AE19A1B8A086B4E01EDD2C7748D14C923D4D7E6D7C61B229E9C5A27ECED3D9");
return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S);
}
};
/*
* secp128r1
*/
static X9ECParametersHolder secp128r1 = new X9ECParametersHolder()
{
protected ECCurve createCurve()
{
return configureCurve(new SecP128R1Curve());
}
protected X9ECParameters createParameters()
{
byte[] S = Hex.decodeStrict("000E0D4D696E6768756151750CC03A4473D03679");
ECCurve curve = getCurve();
X9ECPoint G = configureBasepoint(curve,
"04161FF7528B899B2D0C28607CA52C5B86CF5AC8395BAFEB13C02DA292DDED7A83");
return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S);
}
};
/*
* secp160k1
*/
static X9ECParametersHolder secp160k1 = new X9ECParametersHolder()
{
protected ECCurve createCurve()
{
GLVTypeBParameters glv = new GLVTypeBParameters(
new BigInteger("9ba48cba5ebcb9b6bd33b92830b2a2e0e192f10a", 16),
new BigInteger("c39c6c3b3a36d7701b9c71a1f5804ae5d0003f4", 16),
new ScalarSplitParameters(
new BigInteger[]{
new BigInteger("9162fbe73984472a0a9e", 16),
new BigInteger("-96341f1138933bc2f505", 16) },
new BigInteger[]{
new BigInteger("127971af8721782ecffa3", 16),
new BigInteger("9162fbe73984472a0a9e", 16) },
new BigInteger("9162fbe73984472a0a9d0590", 16),
new BigInteger("96341f1138933bc2f503fd44", 16),
176));
return configureCurveGLV(new SecP160K1Curve(), glv);
}
protected X9ECParameters createParameters()
{
byte[] S = null;
ECCurve curve = getCurve();
X9ECPoint G = configureBasepoint(curve,
"043B4C382CE37AA192A4019E763036F4F5DD4D7EBB938CF935318FDCED6BC28286531733C3F03C4FEE");
return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S);
}
};
/*
* secp160r1
*/
static X9ECParametersHolder secp160r1 = new X9ECParametersHolder()
{
protected ECCurve createCurve()
{
return configureCurve(new SecP160R1Curve());
}
protected X9ECParameters createParameters()
{
byte[] S = Hex.decodeStrict("1053CDE42C14D696E67687561517533BF3F83345");
ECCurve curve = getCurve();
X9ECPoint G = configureBasepoint(curve,
"044A96B5688EF573284664698968C38BB913CBFC8223A628553168947D59DCC912042351377AC5FB32");
return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S);
}
};
/*
* secp160r2
*/
static X9ECParametersHolder secp160r2 = new X9ECParametersHolder()
{
protected ECCurve createCurve()
{
return configureCurve(new SecP160R2Curve());
}
protected X9ECParameters createParameters()
{
byte[] S = Hex.decodeStrict("B99B99B099B323E02709A4D696E6768756151751");
ECCurve curve = getCurve();
X9ECPoint G = configureBasepoint(curve,
"0452DCB034293A117E1F4FF11B30F7199D3144CE6DFEAFFEF2E331F296E071FA0DF9982CFEA7D43F2E");
return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S);
}
};
/*
* secp192k1
*/
static X9ECParametersHolder secp192k1 = new X9ECParametersHolder()
{
protected ECCurve createCurve()
{
GLVTypeBParameters glv = new GLVTypeBParameters(
new BigInteger("bb85691939b869c1d087f601554b96b80cb4f55b35f433c2", 16),
new BigInteger("3d84f26c12238d7b4f3d516613c1759033b1a5800175d0b1", 16),
new ScalarSplitParameters(
new BigInteger[]{
new BigInteger("71169be7330b3038edb025f1", 16),
new BigInteger("-b3fb3400dec5c4adceb8655c", 16) },
new BigInteger[]{
new BigInteger("12511cfe811d0f4e6bc688b4d", 16),
new BigInteger("71169be7330b3038edb025f1", 16) },
new BigInteger("71169be7330b3038edb025f1d0f9", 16),
new BigInteger("b3fb3400dec5c4adceb8655d4c94", 16),
208));
return configureCurveGLV(new SecP192K1Curve(), glv);
}
protected X9ECParameters createParameters()
{
byte[] S = null;
ECCurve curve = getCurve();
X9ECPoint G = configureBasepoint(curve,
"04DB4FF10EC057E9AE26B07D0280B7F4341DA5D1B1EAE06C7D9B2F2F6D9C5628A7844163D015BE86344082AA88D95E2F9D");
return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S);
}
};
/*
* secp192r1
*/
static X9ECParametersHolder secp192r1 = new X9ECParametersHolder()
{
protected ECCurve createCurve()
{
return configureCurve(new SecP192R1Curve());
}
protected X9ECParameters createParameters()
{
byte[] S = Hex.decodeStrict("3045AE6FC8422F64ED579528D38120EAE12196D5");
ECCurve curve = getCurve();
X9ECPoint G = configureBasepoint(curve,
"04188DA80EB03090F67CBF20EB43A18800F4FF0AFD82FF101207192B95FFC8DA78631011ED6B24CDD573F977A11E794811");
return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S);
}
};
/*
* secp224k1
*/
static X9ECParametersHolder secp224k1 = new X9ECParametersHolder()
{
protected ECCurve createCurve()
{
GLVTypeBParameters glv = new GLVTypeBParameters(
new BigInteger("fe0e87005b4e83761908c5131d552a850b3f58b749c37cf5b84d6768", 16),
new BigInteger("60dcd2104c4cbc0be6eeefc2bdd610739ec34e317f9b33046c9e4788", 16),
new ScalarSplitParameters(
new BigInteger[]{
new BigInteger("6b8cf07d4ca75c88957d9d670591", 16),
new BigInteger("-b8adf1378a6eb73409fa6c9c637d", 16) },
new BigInteger[]{
new BigInteger("1243ae1b4d71613bc9f780a03690e", 16),
new BigInteger("6b8cf07d4ca75c88957d9d670591", 16) },
new BigInteger("6b8cf07d4ca75c88957d9d67059037a4", 16),
new BigInteger("b8adf1378a6eb73409fa6c9c637ba7f5", 16),
240));
return configureCurveGLV(new SecP224K1Curve(), glv);
}
protected X9ECParameters createParameters()
{
byte[] S = null;
ECCurve curve = getCurve();
X9ECPoint G = configureBasepoint(curve,
"04A1455B334DF099DF30FC28A169A467E9E47075A90F7E650EB6B7A45C7E089FED7FBA344282CAFBD6F7E319F7C0B0BD59E2CA4BDB556D61A5");
return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S);
}
};
/*
* secp224r1
*/
static X9ECParametersHolder secp224r1 = new X9ECParametersHolder()
{
protected ECCurve createCurve()
{
return configureCurve(new SecP224R1Curve());
}
protected X9ECParameters createParameters()
{
byte[] S = Hex.decodeStrict("BD71344799D5C7FCDC45B59FA3B9AB8F6A948BC5");
ECCurve curve = getCurve();
X9ECPoint G = configureBasepoint(curve,
"04B70E0CBD6BB4BF7F321390B94A03C1D356C21122343280D6115C1D21BD376388B5F723FB4C22DFE6CD4375A05A07476444D5819985007E34");
return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S);
}
};
/*
* secp256k1
*/
static X9ECParametersHolder secp256k1 = new X9ECParametersHolder()
{
protected ECCurve createCurve()
{
GLVTypeBParameters glv = new GLVTypeBParameters(
new BigInteger("7ae96a2b657c07106e64479eac3434e99cf0497512f58995c1396c28719501ee", 16),
new BigInteger("5363ad4cc05c30e0a5261c028812645a122e22ea20816678df02967c1b23bd72", 16),
new ScalarSplitParameters(
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));
return configureCurveGLV(new SecP256K1Curve(), glv);
}
protected X9ECParameters createParameters()
{
byte[] S = null;
ECCurve curve = getCurve();
X9ECPoint G = configureBasepoint(curve,
"0479BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798483ADA7726A3C4655DA4FBFC0E1108A8FD17B448A68554199C47D08FFB10D4B8");
return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S);
}
};
/*
* secp256r1
*/
static X9ECParametersHolder secp256r1 = new X9ECParametersHolder()
{
protected ECCurve createCurve()
{
return configureCurve(new SecP256R1Curve());
}
protected X9ECParameters createParameters()
{
byte[] S = Hex.decodeStrict("C49D360886E704936A6678E1139D26B7819F7E90");
ECCurve curve = getCurve();
X9ECPoint G = configureBasepoint(curve,
"046B17D1F2E12C4247F8BCE6E563A440F277037D812DEB33A0F4A13945D898C2964FE342E2FE1A7F9B8EE7EB4A7C0F9E162BCE33576B315ECECBB6406837BF51F5");
return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S);
}
};
/*
* secp384r1
*/
static X9ECParametersHolder secp384r1 = new X9ECParametersHolder()
{
protected ECCurve createCurve()
{
return configureCurve(new SecP384R1Curve());
}
protected X9ECParameters createParameters()
{
byte[] S = Hex.decodeStrict("A335926AA319A27A1D00896A6773A4827ACDAC73");
ECCurve curve = getCurve();
X9ECPoint G = configureBasepoint(curve, "04"
+ "AA87CA22BE8B05378EB1C71EF320AD746E1D3B628BA79B9859F741E082542A385502F25DBF55296C3A545E3872760AB7"
+ "3617DE4A96262C6F5D9E98BF9292DC29F8F41DBD289A147CE9DA3113B5F0B8C00A60B1CE1D7E819D7A431D7C90EA0E5F");
return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S);
}
};
/*
* secp521r1
*/
static X9ECParametersHolder secp521r1 = new X9ECParametersHolder()
{
protected ECCurve createCurve()
{
return configureCurve(new SecP521R1Curve());
}
protected X9ECParameters createParameters()
{
byte[] S = Hex.decodeStrict("D09E8800291CB85396CC6717393284AAA0DA64BA");
ECCurve curve = getCurve();
X9ECPoint G = configureBasepoint(curve, "04"
+ "00C6858E06B70404E9CD9E3ECB662395B4429C648139053FB521F828AF606B4D3DBAA14B5E77EFE75928FE1DC127A2FFA8DE3348B3C1856A429BF97E7E31C2E5BD66"
+ "011839296A789A3BC0045C8A5FB42C7D1BD998F54449579B446817AFBD17273E662C97EE72995EF42640C550B9013FAD0761353C7086A272C24088BE94769FD16650");
return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S);
}
};
/*
* sect113r1
*/
static X9ECParametersHolder sect113r1 = new X9ECParametersHolder()
{
protected ECCurve createCurve()
{
return configureCurve(new SecT113R1Curve());
}
protected X9ECParameters createParameters()
{
byte[] S = Hex.decodeStrict("10E723AB14D696E6768756151756FEBF8FCB49A9");
ECCurve curve = getCurve();
X9ECPoint G = configureBasepoint(curve,
"04009D73616F35F4AB1407D73562C10F00A52830277958EE84D1315ED31886");
return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S);
}
};
/*
* sect113r2
*/
static X9ECParametersHolder sect113r2 = new X9ECParametersHolder()
{
protected ECCurve createCurve()
{
return configureCurve(new SecT113R2Curve());
}
protected X9ECParameters createParameters()
{
byte[] S = Hex.decodeStrict("10C0FB15760860DEF1EEF4D696E676875615175D");
ECCurve curve = getCurve();
X9ECPoint G = configureBasepoint(curve,
"0401A57A6A7B26CA5EF52FCDB816479700B3ADC94ED1FE674C06E695BABA1D");
return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S);
}
};
/*
* sect131r1
*/
static X9ECParametersHolder sect131r1 = new X9ECParametersHolder()
{
protected ECCurve createCurve()
{
return configureCurve(new SecT131R1Curve());
}
protected X9ECParameters createParameters()
{
byte[] S = Hex.decodeStrict("4D696E676875615175985BD3ADBADA21B43A97E2");
ECCurve curve = getCurve();
X9ECPoint G = configureBasepoint(curve,
"040081BAF91FDF9833C40F9C181343638399078C6E7EA38C001F73C8134B1B4EF9E150");
return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S);
}
};
/*
* sect131r2
*/
static X9ECParametersHolder sect131r2 = new X9ECParametersHolder()
{
protected ECCurve createCurve()
{
return configureCurve(new SecT131R2Curve());
}
protected X9ECParameters createParameters()
{
byte[] S = Hex.decodeStrict("985BD3ADBAD4D696E676875615175A21B43A97E3");
ECCurve curve = getCurve();
X9ECPoint G = configureBasepoint(curve,
"040356DCD8F2F95031AD652D23951BB366A80648F06D867940A5366D9E265DE9EB240F");
return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S);
}
};
/*
* sect163k1
*/
static X9ECParametersHolder sect163k1 = new X9ECParametersHolder()
{
protected ECCurve createCurve()
{
return configureCurve(new SecT163K1Curve());
}
protected X9ECParameters createParameters()
{
byte[] S = null;
ECCurve curve = getCurve();
X9ECPoint G = configureBasepoint(curve,
"0402FE13C0537BBC11ACAA07D793DE4E6D5E5C94EEE80289070FB05D38FF58321F2E800536D538CCDAA3D9");
return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S);
}
};
/*
* sect163r1
*/
static X9ECParametersHolder sect163r1 = new X9ECParametersHolder()
{
protected ECCurve createCurve()
{
return configureCurve(new SecT163R1Curve());
}
protected X9ECParameters createParameters()
{
byte[] S = Hex.decodeStrict("24B7B137C8A14D696E6768756151756FD0DA2E5C");
ECCurve curve = getCurve();
X9ECPoint G = configureBasepoint(curve,
"040369979697AB43897789566789567F787A7876A65400435EDB42EFAFB2989D51FEFCE3C80988F41FF883");
return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S);
}
};
/*
* sect163r2
*/
static X9ECParametersHolder sect163r2 = new X9ECParametersHolder()
{
protected ECCurve createCurve()
{
return configureCurve(new SecT163R2Curve());
}
protected X9ECParameters createParameters()
{
byte[] S = Hex.decodeStrict("85E25BFE5C86226CDB12016F7553F9D0E693A268");
ECCurve curve = getCurve();
X9ECPoint G = configureBasepoint(curve,
"0403F0EBA16286A2D57EA0991168D4994637E8343E3600D51FBC6C71A0094FA2CDD545B11C5C0C797324F1");
return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S);
}
};
/*
* sect193r1
*/
static X9ECParametersHolder sect193r1 = new X9ECParametersHolder()
{
protected ECCurve createCurve()
{
return configureCurve(new SecT193R1Curve());
}
protected X9ECParameters createParameters()
{
byte[] S = Hex.decodeStrict("103FAEC74D696E676875615175777FC5B191EF30");
ECCurve curve = getCurve();
X9ECPoint G = configureBasepoint(curve,
"0401F481BC5F0FF84A74AD6CDF6FDEF4BF6179625372D8C0C5E10025E399F2903712CCF3EA9E3A1AD17FB0B3201B6AF7CE1B05");
return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S);
}
};
/*
* sect193r2
*/
static X9ECParametersHolder sect193r2 = new X9ECParametersHolder()
{
protected ECCurve createCurve()
{
return configureCurve(new SecT193R2Curve());
}
protected X9ECParameters createParameters()
{
byte[] S = Hex.decodeStrict("10B7B4D696E676875615175137C8A16FD0DA2211");
ECCurve curve = getCurve();
X9ECPoint G = configureBasepoint(curve,
"0400D9B67D192E0367C803F39E1A7E82CA14A651350AAE617E8F01CE94335607C304AC29E7DEFBD9CA01F596F927224CDECF6C");
return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S);
}
};
/*
* sect233k1
*/
static X9ECParametersHolder sect233k1 = new X9ECParametersHolder()
{
protected ECCurve createCurve()
{
return configureCurve(new SecT233K1Curve());
}
protected X9ECParameters createParameters()
{
byte[] S = null;
ECCurve curve = getCurve();
X9ECPoint G = configureBasepoint(curve,
"04017232BA853A7E731AF129F22FF4149563A419C26BF50A4C9D6EEFAD612601DB537DECE819B7F70F555A67C427A8CD9BF18AEB9B56E0C11056FAE6A3");
return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S);
}
};
/*
* sect233r1
*/
static X9ECParametersHolder sect233r1 = new X9ECParametersHolder()
{
protected ECCurve createCurve()
{
return configureCurve(new SecT233R1Curve());
}
protected X9ECParameters createParameters()
{
byte[] S = Hex.decodeStrict("74D59FF07F6B413D0EA14B344B20A2DB049B50C3");
ECCurve curve = getCurve();
X9ECPoint G = configureBasepoint(curve,
"0400FAC9DFCBAC8313BB2139F1BB755FEF65BC391F8B36F8F8EB7371FD558B01006A08A41903350678E58528BEBF8A0BEFF867A7CA36716F7E01F81052");
return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S);
}
};
/*
* sect239k1
*/
static X9ECParametersHolder sect239k1 = new X9ECParametersHolder()
{
protected ECCurve createCurve()
{
return configureCurve(new SecT239K1Curve());
}
protected X9ECParameters createParameters()
{
byte[] S = null;
ECCurve curve = getCurve();
X9ECPoint G = configureBasepoint(curve,
"0429A0B6A887A983E9730988A68727A8B2D126C44CC2CC7B2A6555193035DC76310804F12E549BDB011C103089E73510ACB275FC312A5DC6B76553F0CA");
return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S);
}
};
/*
* sect283k1
*/
static X9ECParametersHolder sect283k1 = new X9ECParametersHolder()
{
protected ECCurve createCurve()
{
return configureCurve(new SecT283K1Curve());
}
protected X9ECParameters createParameters()
{
byte[] S = null;
ECCurve curve = getCurve();
X9ECPoint G = configureBasepoint(curve, "04"
+ "0503213F78CA44883F1A3B8162F188E553CD265F23C1567A16876913B0C2AC2458492836"
+ "01CCDA380F1C9E318D90F95D07E5426FE87E45C0E8184698E45962364E34116177DD2259");
return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S);
}
};
/*
* sect283r1
*/
static X9ECParametersHolder sect283r1 = new X9ECParametersHolder()
{
protected ECCurve createCurve()
{
return configureCurve(new SecT283R1Curve());
}
protected X9ECParameters createParameters()
{
byte[] S = Hex.decodeStrict("77E2B07370EB0F832A6DD5B62DFC88CD06BB84BE");
ECCurve curve = getCurve();
X9ECPoint G = configureBasepoint(curve, "04"
+ "05F939258DB7DD90E1934F8C70B0DFEC2EED25B8557EAC9C80E2E198F8CDBECD86B12053"
+ "03676854FE24141CB98FE6D4B20D02B4516FF702350EDDB0826779C813F0DF45BE8112F4");
return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S);
}
};
/*
* sect409k1
*/
static X9ECParametersHolder sect409k1 = new X9ECParametersHolder()
{
protected ECCurve createCurve()
{
return configureCurve(new SecT409K1Curve());
}
protected X9ECParameters createParameters()
{
byte[] S = null;
ECCurve curve = getCurve();
X9ECPoint G = configureBasepoint(curve, "04"
+ "0060F05F658F49C1AD3AB1890F7184210EFD0987E307C84C27ACCFB8F9F67CC2C460189EB5AAAA62EE222EB1B35540CFE9023746"
+ "01E369050B7C4E42ACBA1DACBF04299C3460782F918EA427E6325165E9EA10E3DA5F6C42E9C55215AA9CA27A5863EC48D8E0286B");
return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S);
}
};
/*
* sect409r1
*/
static X9ECParametersHolder sect409r1 = new X9ECParametersHolder()
{
protected ECCurve createCurve()
{
return configureCurve(new SecT409R1Curve());
}
protected X9ECParameters createParameters()
{
byte[] S = Hex.decodeStrict("4099B5A457F9D69F79213D094C4BCD4D4262210B");
ECCurve curve = getCurve();
X9ECPoint G = configureBasepoint(curve, "04"
+ "015D4860D088DDB3496B0C6064756260441CDE4AF1771D4DB01FFE5B34E59703DC255A868A1180515603AEAB60794E54BB7996A7"
+ "0061B1CFAB6BE5F32BBFA78324ED106A7636B9C5A7BD198D0158AA4F5488D08F38514F1FDF4B4F40D2181B3681C364BA0273C706");
return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S);
}
};
/*
* sect571k1
*/
static X9ECParametersHolder sect571k1 = new X9ECParametersHolder()
{
protected ECCurve createCurve()
{
return configureCurve(new SecT571K1Curve());
}
protected X9ECParameters createParameters()
{
byte[] S = null;
ECCurve curve = getCurve();
X9ECPoint G = configureBasepoint(curve, "04"
+ "026EB7A859923FBC82189631F8103FE4AC9CA2970012D5D46024804801841CA44370958493B205E647DA304DB4CEB08CBBD1BA39494776FB988B47174DCA88C7E2945283A01C8972"
+ "0349DC807F4FBF374F4AEADE3BCA95314DD58CEC9F307A54FFC61EFC006D8A2C9D4979C0AC44AEA74FBEBBB9F772AEDCB620B01A7BA7AF1B320430C8591984F601CD4C143EF1C7A3");
return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S);
}
};
/*
* sect571r1
*/
static X9ECParametersHolder sect571r1 = new X9ECParametersHolder()
{
protected ECCurve createCurve()
{
return configureCurve(new SecT571R1Curve());
}
protected X9ECParameters createParameters()
{
byte[] S = Hex.decodeStrict("2AA058F73A0E33AB486B0F610410C53A7F132310");
ECCurve curve = getCurve();
X9ECPoint G = configureBasepoint(curve, "04"
+ "0303001D34B856296C16C0D40D3CD7750A93D1D2955FA80AA5F40FC8DB7B2ABDBDE53950F4C0D293CDD711A35B67FB1499AE60038614F1394ABFA3B4C850D927E1E7769C8EEC2D19"
+ "037BF27342DA639B6DCCFFFEB73D69D78C6C27A6009CBBCA1980F8533921E8A684423E43BAB08A576291AF8F461BB2A8B3531D2F0485C19B16E2F1516E23DD3C1A4827AF1B8AC15B");
return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S);
}
};
/*
* sm2p256v1
*/
static X9ECParametersHolder sm2p256v1 = new X9ECParametersHolder()
{
protected ECCurve createCurve()
{
return configureCurve(new SM2P256V1Curve());
}
protected X9ECParameters createParameters()
{
byte[] S = null;
ECCurve curve = getCurve();
X9ECPoint G = configureBasepoint(curve,
"0432C4AE2C1F1981195F9904466A39C9948FE30BBFF2660BE1715A4589334C74C7BC3736A2F4F6779C59BDCEE36B692153D0A9877CC62A474002DF32E52139F0A0");
return new X9ECParameters(curve, G, curve.getOrder(), curve.getCofactor(), S);
}
};
static final Hashtable nameToCurve = new Hashtable();
static final Hashtable nameToOID = new Hashtable();
static final Hashtable oidToCurve = new Hashtable();
static final Hashtable oidToName = new Hashtable();
static final Vector names = new Vector();
static void defineCurve(String name, X9ECParametersHolder holder)
{
names.addElement(name);
name = Strings.toLowerCase(name);
nameToCurve.put(name, holder);
}
static void defineCurveWithOID(String name, ASN1ObjectIdentifier oid, X9ECParametersHolder holder)
{
names.addElement(name);
oidToName.put(oid, name);
oidToCurve.put(oid, holder);
name = Strings.toLowerCase(name);
nameToOID.put(name, oid);
nameToCurve.put(name, holder);
}
static void defineCurveAlias(String name, ASN1ObjectIdentifier oid)
{
Object curve = oidToCurve.get(oid);
if (curve == null)
{
throw new IllegalStateException();
}
name = Strings.toLowerCase(name);
nameToOID.put(name, oid);
nameToCurve.put(name, curve);
}
static
{
defineCurveWithOID("curve25519", CryptlibObjectIdentifiers.curvey25519, curve25519);
// defineCurveWithOID("secp112r1", SECObjectIdentifiers.secp112r1, secp112r1);
// defineCurveWithOID("secp112r2", SECObjectIdentifiers.secp112r2, secp112r2);
defineCurveWithOID("secp128r1", SECObjectIdentifiers.secp128r1, secp128r1);
// defineCurveWithOID("secp128r2", SECObjectIdentifiers.secp128r2, secp128r2);
defineCurveWithOID("secp160k1", SECObjectIdentifiers.secp160k1, secp160k1);
defineCurveWithOID("secp160r1", SECObjectIdentifiers.secp160r1, secp160r1);
defineCurveWithOID("secp160r2", SECObjectIdentifiers.secp160r2, secp160r2);
defineCurveWithOID("secp192k1", SECObjectIdentifiers.secp192k1, secp192k1);
defineCurveWithOID("secp192r1", SECObjectIdentifiers.secp192r1, secp192r1);
defineCurveWithOID("secp224k1", SECObjectIdentifiers.secp224k1, secp224k1);
defineCurveWithOID("secp224r1", SECObjectIdentifiers.secp224r1, secp224r1);
defineCurveWithOID("secp256k1", SECObjectIdentifiers.secp256k1, secp256k1);
defineCurveWithOID("secp256r1", SECObjectIdentifiers.secp256r1, secp256r1);
defineCurveWithOID("secp384r1", SECObjectIdentifiers.secp384r1, secp384r1);
defineCurveWithOID("secp521r1", SECObjectIdentifiers.secp521r1, secp521r1);
defineCurveWithOID("sect113r1", SECObjectIdentifiers.sect113r1, sect113r1);
defineCurveWithOID("sect113r2", SECObjectIdentifiers.sect113r2, sect113r2);
defineCurveWithOID("sect131r1", SECObjectIdentifiers.sect131r1, sect131r1);
defineCurveWithOID("sect131r2", SECObjectIdentifiers.sect131r2, sect131r2);
defineCurveWithOID("sect163k1", SECObjectIdentifiers.sect163k1, sect163k1);
defineCurveWithOID("sect163r1", SECObjectIdentifiers.sect163r1, sect163r1);
defineCurveWithOID("sect163r2", SECObjectIdentifiers.sect163r2, sect163r2);
defineCurveWithOID("sect193r1", SECObjectIdentifiers.sect193r1, sect193r1);
defineCurveWithOID("sect193r2", SECObjectIdentifiers.sect193r2, sect193r2);
defineCurveWithOID("sect233k1", SECObjectIdentifiers.sect233k1, sect233k1);
defineCurveWithOID("sect233r1", SECObjectIdentifiers.sect233r1, sect233r1);
defineCurveWithOID("sect239k1", SECObjectIdentifiers.sect239k1, sect239k1);
defineCurveWithOID("sect283k1", SECObjectIdentifiers.sect283k1, sect283k1);
defineCurveWithOID("sect283r1", SECObjectIdentifiers.sect283r1, sect283r1);
defineCurveWithOID("sect409k1", SECObjectIdentifiers.sect409k1, sect409k1);
defineCurveWithOID("sect409r1", SECObjectIdentifiers.sect409r1, sect409r1);
defineCurveWithOID("sect571k1", SECObjectIdentifiers.sect571k1, sect571k1);
defineCurveWithOID("sect571r1", SECObjectIdentifiers.sect571r1, sect571r1);
defineCurveWithOID("sm2p256v1", GMObjectIdentifiers.sm2p256v1, sm2p256v1);
defineCurveAlias("B-163", SECObjectIdentifiers.sect163r2);
defineCurveAlias("B-233", SECObjectIdentifiers.sect233r1);
defineCurveAlias("B-283", SECObjectIdentifiers.sect283r1);
defineCurveAlias("B-409", SECObjectIdentifiers.sect409r1);
defineCurveAlias("B-571", SECObjectIdentifiers.sect571r1);
defineCurveAlias("K-163", SECObjectIdentifiers.sect163k1);
defineCurveAlias("K-233", SECObjectIdentifiers.sect233k1);
defineCurveAlias("K-283", SECObjectIdentifiers.sect283k1);
defineCurveAlias("K-409", SECObjectIdentifiers.sect409k1);
defineCurveAlias("K-571", SECObjectIdentifiers.sect571k1);
defineCurveAlias("P-192", SECObjectIdentifiers.secp192r1);
defineCurveAlias("P-224", SECObjectIdentifiers.secp224r1);
defineCurveAlias("P-256", SECObjectIdentifiers.secp256r1);
defineCurveAlias("P-384", SECObjectIdentifiers.secp384r1);
defineCurveAlias("P-521", SECObjectIdentifiers.secp521r1);
}
public static X9ECParameters getByName(String name)
{
X9ECParametersHolder holder = getByNameLazy(name);
return holder == null ? null : holder.getParameters();
}
public static X9ECParametersHolder getByNameLazy(String name)
{
return (X9ECParametersHolder)nameToCurve.get(Strings.toLowerCase(name));
}
/**
* return the X9ECParameters object for the named curve represented by the passed in object
* identifier. Null if the curve isn't present.
*
* @param oid
* an object identifier representing a named curve, if present.
*/
public static X9ECParameters getByOID(ASN1ObjectIdentifier oid)
{
X9ECParametersHolder holder = getByOIDLazy(oid);
return holder == null ? null : holder.getParameters();
}
public static X9ECParametersHolder getByOIDLazy(ASN1ObjectIdentifier oid)
{
return (X9ECParametersHolder)oidToCurve.get(oid);
}
/**
* return the object identifier signified by the passed in name. Null if there is no object
* identifier associated with name.
*
* @return the object identifier associated with name, if present.
*/
public static ASN1ObjectIdentifier getOID(String name)
{
return (ASN1ObjectIdentifier)nameToOID.get(Strings.toLowerCase(name));
}
/**
* return the named curve name represented by the given object identifier.
*/
public static String getName(ASN1ObjectIdentifier oid)
{
return (String)oidToName.get(oid);
}
/**
* returns an enumeration containing the name strings for curves contained in this structure.
*/
public static Enumeration getNames()
{
return names.elements();
}
}