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package org.bouncycastle.asn1.cryptopro;
import java.math.BigInteger;
import java.util.Enumeration;
import java.util.Hashtable;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.rosstandart.RosstandartObjectIdentifiers;
import org.bouncycastle.crypto.params.ECDomainParameters;
import org.bouncycastle.math.ec.ECConstants;
import org.bouncycastle.math.ec.ECCurve;
import org.bouncycastle.math.ec.ECPoint;
import org.bouncycastle.math.ec.WNafUtil;
/**
* table of the available named parameters for GOST 3410-2001 / 2012.
*/
public class ECGOST3410NamedCurves
{
private static ECPoint configureBasepoint(ECCurve curve, BigInteger x, BigInteger y)
{
ECPoint G = curve.createPoint(x, y);
WNafUtil.configureBasepoint(G);
return G;
}
private static ECCurve configureCurve(ECCurve curve)
{
return curve;
}
static final Hashtable objIds = new Hashtable();
static final Hashtable params = new Hashtable();
static final Hashtable names = new Hashtable();
static
{
BigInteger mod_p = new BigInteger("115792089237316195423570985008687907853269984665640564039457584007913129639319");
BigInteger mod_q = new BigInteger("115792089237316195423570985008687907853073762908499243225378155805079068850323");
ECCurve curve = configureCurve(new ECCurve.Fp(
mod_p, // p
new BigInteger("115792089237316195423570985008687907853269984665640564039457584007913129639316"), // a
new BigInteger("166"), // b
mod_q, ECConstants.ONE));
ECDomainParameters ecParams = new ECDomainParameters(
curve,
configureBasepoint(curve,
new BigInteger("1"), // x
new BigInteger("64033881142927202683649881450433473985931760268884941288852745803908878638612")), // y
mod_q, ECConstants.ONE);
params.put(CryptoProObjectIdentifiers.gostR3410_2001_CryptoPro_A, ecParams);
mod_p = new BigInteger("115792089237316195423570985008687907853269984665640564039457584007913129639319");
mod_q = new BigInteger("115792089237316195423570985008687907853073762908499243225378155805079068850323");
curve = configureCurve(new ECCurve.Fp(
mod_p, // p
new BigInteger("115792089237316195423570985008687907853269984665640564039457584007913129639316"),
new BigInteger("166"),
mod_q, ECConstants.ONE));
ecParams = new ECDomainParameters(
curve,
configureBasepoint(curve,
new BigInteger("1"), // x
new BigInteger("64033881142927202683649881450433473985931760268884941288852745803908878638612")), // y
mod_q, ECConstants.ONE);
params.put(CryptoProObjectIdentifiers.gostR3410_2001_CryptoPro_XchA, ecParams);
mod_p = new BigInteger("57896044618658097711785492504343953926634992332820282019728792003956564823193"); //p
mod_q = new BigInteger("57896044618658097711785492504343953927102133160255826820068844496087732066703"); //q
curve = configureCurve(new ECCurve.Fp(
mod_p, // p
new BigInteger("57896044618658097711785492504343953926634992332820282019728792003956564823190"), // a
new BigInteger("28091019353058090096996979000309560759124368558014865957655842872397301267595"), // b
mod_q, ECConstants.ONE));
ecParams = new ECDomainParameters(
curve,
configureBasepoint(curve,
new BigInteger("1"), // x
new BigInteger("28792665814854611296992347458380284135028636778229113005756334730996303888124")), // y
mod_q, ECConstants.ONE);
params.put(CryptoProObjectIdentifiers.gostR3410_2001_CryptoPro_B, ecParams);
mod_p = new BigInteger("70390085352083305199547718019018437841079516630045180471284346843705633502619");
mod_q = new BigInteger("70390085352083305199547718019018437840920882647164081035322601458352298396601");
curve = configureCurve(new ECCurve.Fp(
mod_p, // p
new BigInteger("70390085352083305199547718019018437841079516630045180471284346843705633502616"),
new BigInteger("32858"),
mod_q, ECConstants.ONE));
ecParams = new ECDomainParameters(
curve,
configureBasepoint(curve,
new BigInteger("0"),
new BigInteger("29818893917731240733471273240314769927240550812383695689146495261604565990247")),
mod_q, ECConstants.ONE);
params.put(CryptoProObjectIdentifiers.gostR3410_2001_CryptoPro_XchB, ecParams);
mod_p = new BigInteger("70390085352083305199547718019018437841079516630045180471284346843705633502619"); //p
mod_q = new BigInteger("70390085352083305199547718019018437840920882647164081035322601458352298396601"); //q
curve = configureCurve(new ECCurve.Fp(
mod_p, // p
new BigInteger("70390085352083305199547718019018437841079516630045180471284346843705633502616"), // a
new BigInteger("32858"), // b
mod_q, ECConstants.ONE));
ecParams = new ECDomainParameters(
curve,
configureBasepoint(curve,
new BigInteger("0"), // x
new BigInteger("29818893917731240733471273240314769927240550812383695689146495261604565990247")), // y
mod_q, ECConstants.ONE);
params.put(CryptoProObjectIdentifiers.gostR3410_2001_CryptoPro_C, ecParams);
//GOST34.10 2012
mod_p = new BigInteger("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFD97", 16); //p
mod_q = new BigInteger("400000000000000000000000000000000FD8CDDFC87B6635C115AF556C360C67", 16); //q
curve = configureCurve(new ECCurve.Fp(
mod_p, // p
new BigInteger("C2173F1513981673AF4892C23035A27CE25E2013BF95AA33B22C656F277E7335", 16), // a
new BigInteger("295F9BAE7428ED9CCC20E7C359A9D41A22FCCD9108E17BF7BA9337A6F8AE9513", 16), // b
mod_q, ECConstants.FOUR));
ecParams = new ECDomainParameters(
curve,
configureBasepoint(curve,
new BigInteger("91E38443A5E82C0D880923425712B2BB658B9196932E02C78B2582FE742DAA28", 16), // x
new BigInteger("32879423AB1A0375895786C4BB46E9565FDE0B5344766740AF268ADB32322E5C", 16)), // y
mod_q, ECConstants.FOUR);
params.put(RosstandartObjectIdentifiers.id_tc26_gost_3410_12_256_paramSetA, ecParams);
mod_p = new BigInteger("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFDC7",16); //p
mod_q = new BigInteger("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF27E69532F48D89116FF22B8D4E0560609B4B38ABFAD2B85DCACDB1411F10B275",16); //q
curve = configureCurve(new ECCurve.Fp(
mod_p, // p
new BigInteger("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFDC4",16), // a
new BigInteger("E8C2505DEDFC86DDC1BD0B2B6667F1DA34B82574761CB0E879BD081CFD0B6265EE3CB090F30D27614CB4574010DA90DD862EF9D4EBEE4761503190785A71C760",16), // b
mod_q, ECConstants.ONE));
ecParams = new ECDomainParameters(
curve,
configureBasepoint(curve,
new BigInteger("00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003"), // x
new BigInteger("7503CFE87A836AE3A61B8816E25450E6CE5E1C93ACF1ABC1778064FDCBEFA921DF1626BE4FD036E93D75E6A50E3A41E98028FE5FC235F5B889A589CB5215F2A4",16)), // y
mod_q, ECConstants.ONE);
params.put(RosstandartObjectIdentifiers.id_tc26_gost_3410_12_512_paramSetA, ecParams);
mod_p = new BigInteger("8000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006F",16); //p
mod_q = new BigInteger("800000000000000000000000000000000000000000000000000000000000000149A1EC142565A545ACFDB77BD9D40CFA8B996712101BEA0EC6346C54374F25BD",16); //q
curve = configureCurve(new ECCurve.Fp(
mod_p, // p
new BigInteger("8000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006C",16), // a
new BigInteger("687D1B459DC841457E3E06CF6F5E2517B97C7D614AF138BCBF85DC806C4B289F3E965D2DB1416D217F8B276FAD1AB69C50F78BEE1FA3106EFB8CCBC7C5140116",16), // b
mod_q, ECConstants.ONE));
ecParams = new ECDomainParameters(
curve,
configureBasepoint(curve,
new BigInteger("00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002"), // x
new BigInteger("1A8F7EDA389B094C2C071E3647A8940F3C123B697578C213BE6DD9E6C8EC7335DCB228FD1EDF4A39152CBCAAF8C0398828041055F94CEEEC7E21340780FE41BD",16)), // y
mod_q, ECConstants.ONE);
params.put(RosstandartObjectIdentifiers.id_tc26_gost_3410_12_512_paramSetB, ecParams);
mod_p = new BigInteger("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFDC7",16); //p
mod_q = new BigInteger("3FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC98CDBA46506AB004C33A9FF5147502CC8EDA9E7A769A12694623CEF47F023ED",16); //q
curve = configureCurve(new ECCurve.Fp(
mod_p, // p
new BigInteger("DC9203E514A721875485A529D2C722FB187BC8980EB866644DE41C68E143064546E861C0E2C9EDD92ADE71F46FCF50FF2AD97F951FDA9F2A2EB6546F39689BD3",16), // a
new BigInteger("B4C4EE28CEBC6C2C8AC12952CF37F16AC7EFB6A9F69F4B57FFDA2E4F0DE5ADE038CBC2FFF719D2C18DE0284B8BFEF3B52B8CC7A5F5BF0A3C8D2319A5312557E1",16), // b
mod_q, ECConstants.FOUR));
ecParams = new ECDomainParameters(
curve,
configureBasepoint(curve,
new BigInteger("E2E31EDFC23DE7BDEBE241CE593EF5DE2295B7A9CBAEF021D385F7074CEA043AA27272A7AE602BF2A7B9033DB9ED3610C6FB85487EAE97AAC5BC7928C1950148", 16), // x
new BigInteger("F5CE40D95B5EB899ABBCCFF5911CB8577939804D6527378B8C108C3D2090FF9BE18E2D33E3021ED2EF32D85822423B6304F726AA854BAE07D0396E9A9ADDC40F",16)), // y
mod_q, ECConstants.FOUR);
params.put(RosstandartObjectIdentifiers.id_tc26_gost_3410_12_512_paramSetC, ecParams);
objIds.put("GostR3410-2001-CryptoPro-A", CryptoProObjectIdentifiers.gostR3410_2001_CryptoPro_A);
objIds.put("GostR3410-2001-CryptoPro-B", CryptoProObjectIdentifiers.gostR3410_2001_CryptoPro_B);
objIds.put("GostR3410-2001-CryptoPro-C", CryptoProObjectIdentifiers.gostR3410_2001_CryptoPro_C);
objIds.put("GostR3410-2001-CryptoPro-XchA", CryptoProObjectIdentifiers.gostR3410_2001_CryptoPro_XchA);
objIds.put("GostR3410-2001-CryptoPro-XchB", CryptoProObjectIdentifiers.gostR3410_2001_CryptoPro_XchB);
objIds.put("Tc26-Gost-3410-12-256-paramSetA", RosstandartObjectIdentifiers.id_tc26_gost_3410_12_256_paramSetA);
objIds.put("Tc26-Gost-3410-12-512-paramSetA", RosstandartObjectIdentifiers.id_tc26_gost_3410_12_512_paramSetA);
objIds.put("Tc26-Gost-3410-12-512-paramSetB", RosstandartObjectIdentifiers.id_tc26_gost_3410_12_512_paramSetB);
objIds.put("Tc26-Gost-3410-12-512-paramSetC", RosstandartObjectIdentifiers.id_tc26_gost_3410_12_512_paramSetC);
names.put(CryptoProObjectIdentifiers.gostR3410_2001_CryptoPro_A, "GostR3410-2001-CryptoPro-A");
names.put(CryptoProObjectIdentifiers.gostR3410_2001_CryptoPro_B, "GostR3410-2001-CryptoPro-B");
names.put(CryptoProObjectIdentifiers.gostR3410_2001_CryptoPro_C, "GostR3410-2001-CryptoPro-C");
names.put(CryptoProObjectIdentifiers.gostR3410_2001_CryptoPro_XchA, "GostR3410-2001-CryptoPro-XchA");
names.put(CryptoProObjectIdentifiers.gostR3410_2001_CryptoPro_XchB, "GostR3410-2001-CryptoPro-XchB");
names.put(RosstandartObjectIdentifiers.id_tc26_gost_3410_12_256_paramSetA, "Tc26-Gost-3410-12-256-paramSetA");
names.put(RosstandartObjectIdentifiers.id_tc26_gost_3410_12_512_paramSetA, "Tc26-Gost-3410-12-512-paramSetA");
names.put(RosstandartObjectIdentifiers.id_tc26_gost_3410_12_512_paramSetB, "Tc26-Gost-3410-12-512-paramSetB");
names.put(RosstandartObjectIdentifiers.id_tc26_gost_3410_12_512_paramSetC, "Tc26-Gost-3410-12-512-paramSetC");
}
/**
* return the ECDomainParameters object for the given OID, null if it
* isn't present.
*
* @param oid an object identifier representing a named parameters, if present.
*/
public static ECDomainParameters getByOID(
ASN1ObjectIdentifier oid)
{
return (ECDomainParameters)params.get(oid);
}
/**
* returns an enumeration containing the name strings for parameters
* contained in this structure.
*/
public static Enumeration getNames()
{
return names.elements();
}
public static ECDomainParameters getByName(
String name)
{
ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier)objIds.get(name);
if (oid != null)
{
return (ECDomainParameters)params.get(oid);
}
return null;
}
/**
* return the named curve name represented by the given object identifier.
*/
public static String getName(
ASN1ObjectIdentifier oid)
{
return (String)names.get(oid);
}
public static ASN1ObjectIdentifier getOID(String name)
{
return (ASN1ObjectIdentifier)objIds.get(name);
}
}