103 lines
2.7 KiB
C#
103 lines
2.7 KiB
C#
#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
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using System;
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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 SecT131R2Curve
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: AbstractF2mCurve
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{
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private const int SecT131R2_DEFAULT_COORDS = COORD_LAMBDA_PROJECTIVE;
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protected readonly SecT131R2Point m_infinity;
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public SecT131R2Curve()
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: base(131, 2, 3, 8)
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{
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this.m_infinity = new SecT131R2Point(this, null, null);
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this.m_a = FromBigInteger(new BigInteger(1, Hex.Decode("03E5A88919D7CAFCBF415F07C2176573B2")));
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this.m_b = FromBigInteger(new BigInteger(1, Hex.Decode("04B8266A46C55657AC734CE38F018F2192")));
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this.m_order = new BigInteger(1, Hex.Decode("0400000000000000016954A233049BA98F"));
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this.m_cofactor = BigInteger.Two;
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this.m_coord = SecT131R2_DEFAULT_COORDS;
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}
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protected override ECCurve CloneCurve()
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{
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return new SecT131R2Curve();
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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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public override int FieldSize
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{
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get { return 131; }
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}
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public override ECFieldElement FromBigInteger(BigInteger x)
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{
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return new SecT131FieldElement(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 SecT131R2Point(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 SecT131R2Point(this, x, y, zs, withCompression);
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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 bool IsKoblitz
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{
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get { return false; }
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}
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public virtual int M
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{
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get { return 131; }
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}
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public virtual bool IsTrinomial
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{
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get { return false; }
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}
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public virtual int K1
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{
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get { return 2; }
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}
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public virtual int K2
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{
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get { return 3; }
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}
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public virtual int K3
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{
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get { return 8; }
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}
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}
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}
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#endif
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