80 lines
2.3 KiB
C#
80 lines
2.3 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 SecP192K1Curve
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: AbstractFpCurve
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{
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public static readonly BigInteger q = new BigInteger(1,
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Hex.Decode("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFEE37"));
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private const int SECP192K1_DEFAULT_COORDS = COORD_JACOBIAN;
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protected readonly SecP192K1Point m_infinity;
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public SecP192K1Curve()
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: base(q)
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{
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this.m_infinity = new SecP192K1Point(this, null, null);
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this.m_a = FromBigInteger(BigInteger.Zero);
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this.m_b = FromBigInteger(BigInteger.ValueOf(3));
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this.m_order = new BigInteger(1, Hex.Decode("FFFFFFFFFFFFFFFFFFFFFFFE26F2FC170F69466A74DEFD8D"));
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this.m_cofactor = BigInteger.One;
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this.m_coord = SECP192K1_DEFAULT_COORDS;
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}
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protected override ECCurve CloneCurve()
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{
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return new SecP192K1Curve();
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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_JACOBIAN:
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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 virtual BigInteger Q
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{
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get { return q; }
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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 q.BitLength; }
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}
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public override ECFieldElement FromBigInteger(BigInteger x)
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{
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return new SecP192K1FieldElement(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 SecP192K1Point(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 SecP192K1Point(this, x, y, zs, withCompression);
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}
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}
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}
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#endif
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