103 lines
2.7 KiB
C#
103 lines
2.7 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 SecT409R1Curve
|
|
: AbstractF2mCurve
|
|
{
|
|
private const int SecT409R1_DEFAULT_COORDS = COORD_LAMBDA_PROJECTIVE;
|
|
|
|
protected readonly SecT409R1Point m_infinity;
|
|
|
|
public SecT409R1Curve()
|
|
: base(409, 87, 0, 0)
|
|
{
|
|
this.m_infinity = new SecT409R1Point(this, null, null);
|
|
|
|
this.m_a = FromBigInteger(BigInteger.One);
|
|
this.m_b = FromBigInteger(new BigInteger(1, Hex.Decode("0021A5C2C8EE9FEB5C4B9A753B7B476B7FD6422EF1F3DD674761FA99D6AC27C8A9A197B272822F6CD57A55AA4F50AE317B13545F")));
|
|
this.m_order = new BigInteger(1, Hex.Decode("010000000000000000000000000000000000000000000000000001E2AAD6A612F33307BE5FA47C3C9E052F838164CD37D9A21173"));
|
|
this.m_cofactor = BigInteger.Two;
|
|
|
|
this.m_coord = SecT409R1_DEFAULT_COORDS;
|
|
}
|
|
|
|
protected override ECCurve CloneCurve()
|
|
{
|
|
return new SecT409R1Curve();
|
|
}
|
|
|
|
public override bool SupportsCoordinateSystem(int coord)
|
|
{
|
|
switch (coord)
|
|
{
|
|
case COORD_LAMBDA_PROJECTIVE:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
public override ECPoint Infinity
|
|
{
|
|
get { return m_infinity; }
|
|
}
|
|
|
|
public override int FieldSize
|
|
{
|
|
get { return 409; }
|
|
}
|
|
|
|
public override ECFieldElement FromBigInteger(BigInteger x)
|
|
{
|
|
return new SecT409FieldElement(x);
|
|
}
|
|
|
|
protected internal override ECPoint CreateRawPoint(ECFieldElement x, ECFieldElement y, bool withCompression)
|
|
{
|
|
return new SecT409R1Point(this, x, y, withCompression);
|
|
}
|
|
|
|
protected internal override ECPoint CreateRawPoint(ECFieldElement x, ECFieldElement y, ECFieldElement[] zs, bool withCompression)
|
|
{
|
|
return new SecT409R1Point(this, x, y, zs, withCompression);
|
|
}
|
|
|
|
public override bool IsKoblitz
|
|
{
|
|
get { return false; }
|
|
}
|
|
|
|
public virtual int M
|
|
{
|
|
get { return 409; }
|
|
}
|
|
|
|
public virtual bool IsTrinomial
|
|
{
|
|
get { return true; }
|
|
}
|
|
|
|
public virtual int K1
|
|
{
|
|
get { return 87; }
|
|
}
|
|
|
|
public virtual int K2
|
|
{
|
|
get { return 0; }
|
|
}
|
|
|
|
public virtual int K3
|
|
{
|
|
get { return 0; }
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif
|