79 lines
2.2 KiB
C#
79 lines
2.2 KiB
C#
#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
|
|
|
|
using System;
|
|
|
|
using Org.BouncyCastle.Utilities.Encoders;
|
|
|
|
namespace Org.BouncyCastle.Math.EC.Custom.Sec
|
|
{
|
|
internal class SecP160K1Curve
|
|
: AbstractFpCurve
|
|
{
|
|
public static readonly BigInteger q = SecP160R2Curve.q;
|
|
|
|
private const int SECP160K1_DEFAULT_COORDS = COORD_JACOBIAN;
|
|
|
|
protected readonly SecP160K1Point m_infinity;
|
|
|
|
public SecP160K1Curve()
|
|
: base(q)
|
|
{
|
|
this.m_infinity = new SecP160K1Point(this, null, null);
|
|
|
|
this.m_a = FromBigInteger(BigInteger.Zero);
|
|
this.m_b = FromBigInteger(BigInteger.ValueOf(7));
|
|
this.m_order = new BigInteger(1, Hex.Decode("0100000000000000000001B8FA16DFAB9ACA16B6B3"));
|
|
this.m_cofactor = BigInteger.One;
|
|
this.m_coord = SECP160K1_DEFAULT_COORDS;
|
|
}
|
|
|
|
protected override ECCurve CloneCurve()
|
|
{
|
|
return new SecP160K1Curve();
|
|
}
|
|
|
|
public override bool SupportsCoordinateSystem(int coord)
|
|
{
|
|
switch (coord)
|
|
{
|
|
case COORD_JACOBIAN:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
public virtual BigInteger Q
|
|
{
|
|
get { return q; }
|
|
}
|
|
|
|
public override ECPoint Infinity
|
|
{
|
|
get { return m_infinity; }
|
|
}
|
|
|
|
public override int FieldSize
|
|
{
|
|
get { return q.BitLength; }
|
|
}
|
|
|
|
public override ECFieldElement FromBigInteger(BigInteger x)
|
|
{
|
|
return new SecP160R2FieldElement(x);
|
|
}
|
|
|
|
protected internal override ECPoint CreateRawPoint(ECFieldElement x, ECFieldElement y, bool withCompression)
|
|
{
|
|
return new SecP160K1Point(this, x, y, withCompression);
|
|
}
|
|
|
|
protected internal override ECPoint CreateRawPoint(ECFieldElement x, ECFieldElement y, ECFieldElement[] zs, bool withCompression)
|
|
{
|
|
return new SecP160K1Point(this, x, y, zs, withCompression);
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif
|