NistP224.cs

using System.Numerics;
 
namespace Waher.Security.EllipticCurves
{
    public class NistP224 : NistPrimeCurve
    {
        private static readonly BigInteger p0 = BigInteger.Pow(2, 224) - BigInteger.Pow(2, 96) + 1;
        private static readonly BigInteger n0 = BigInteger.Parse("26959946667150639794667015087019625940457807714424391721682722368061");
        private static readonly BigInteger B0 = ToBigInteger(new uint[]
        {
            0xb4050a85, 0x0c04b3ab, 0xf5413256, 0x5044b0b7, 0xd7bfd8ba, 0x270b3943, 
            0x2355ffb4
        });
        private static readonly BigInteger BasePointX = ToBigInteger(new uint[]
        {
            0xb70e0cbd, 0x6bb4bf7f, 0x321390b9, 0x4a03c1d3, 0x56c21122, 0x343280d6, 0x115c1d21
        });
        private static readonly BigInteger BasePointY = ToBigInteger(new uint[]
        {
            0xbd376388, 0xb5f723fb, 0x4c22dfe6, 0xcd4375a0, 0x5a074764, 0x44d58199, 0x85007e34
        });
 
        public NistP224()
            : base(p0, new PointOnCurve(BasePointX, BasePointY), B0, n0)
        {
        }
 
        public NistP224(byte[] Secret)
            : base(p0, new PointOnCurve(BasePointX, BasePointY), B0, n0, Secret)
        {
        }
 
        public override string CurveName => "NIST P-224";
    }
}