109 lines
2.8 KiB
C#
109 lines
2.8 KiB
C#
#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
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using System;
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using Org.BouncyCastle.Math.EC.Multiplier;
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using Org.BouncyCastle.Utilities.Encoders;
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namespace Org.BouncyCastle.Math.EC.Custom.Sec
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{
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internal class SecT239K1Curve
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: AbstractF2mCurve
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{
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private const int SecT239K1_DEFAULT_COORDS = COORD_LAMBDA_PROJECTIVE;
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protected readonly SecT239K1Point m_infinity;
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public SecT239K1Curve()
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: base(239, 158, 0, 0)
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{
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this.m_infinity = new SecT239K1Point(this, null, null);
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this.m_a = FromBigInteger(BigInteger.Zero);
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this.m_b = FromBigInteger(BigInteger.One);
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this.m_order = new BigInteger(1, Hex.Decode("2000000000000000000000000000005A79FEC67CB6E91F1C1DA800E478A5"));
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this.m_cofactor = BigInteger.ValueOf(4);
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this.m_coord = SecT239K1_DEFAULT_COORDS;
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}
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protected override ECCurve CloneCurve()
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{
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return new SecT239K1Curve();
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}
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public override bool SupportsCoordinateSystem(int coord)
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{
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switch (coord)
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{
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case COORD_LAMBDA_PROJECTIVE:
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return true;
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default:
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return false;
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}
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}
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protected override ECMultiplier CreateDefaultMultiplier()
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{
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return new WTauNafMultiplier();
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}
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public override ECPoint Infinity
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{
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get { return m_infinity; }
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}
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public override int FieldSize
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{
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get { return 239; }
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}
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public override ECFieldElement FromBigInteger(BigInteger x)
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{
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return new SecT239FieldElement(x);
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}
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protected internal override ECPoint CreateRawPoint(ECFieldElement x, ECFieldElement y, bool withCompression)
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{
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return new SecT239K1Point(this, x, y, withCompression);
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}
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protected internal override ECPoint CreateRawPoint(ECFieldElement x, ECFieldElement y, ECFieldElement[] zs, bool withCompression)
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{
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return new SecT239K1Point(this, x, y, zs, withCompression);
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}
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public override bool IsKoblitz
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{
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get { return true; }
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}
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public virtual int M
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{
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get { return 239; }
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}
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public virtual bool IsTrinomial
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{
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get { return true; }
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}
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public virtual int K1
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{
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get { return 158; }
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}
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public virtual int K2
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{
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get { return 0; }
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}
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public virtual int K3
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{
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get { return 0; }
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}
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}
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}
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#endif
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