NistP384.cs

using System.Numerics;
 
namespace Waher.Security.EllipticCurves
{
    public class NistP384 : NistPrimeCurve
    {
        private static readonly BigInteger p0 = BigInteger.Pow(2, 384) - BigInteger.Pow(2, 128) - BigInteger.Pow(2, 96) + BigInteger.Pow(2, 32) - 1;
        private static readonly BigInteger n0 = BigInteger.Parse("39402006196394479212279040100143613805079739270465446667946905279627659399113263569398956308152294913554433653942643");
        private static readonly BigInteger B0 = ToBigInteger(new uint[]
        {
            0xb3312fa7, 0xe23ee7e4, 0x988e056b, 0xe3f82d19, 0x181d9c6e, 0xfe814112, 
            0x0314088f, 0x5013875a, 0xc656398d, 0x8a2ed19d, 0x2a85c8ed, 0xd3ec2aef
        });
        private static readonly BigInteger BasePointX = ToBigInteger(new uint[]
        {
            0xaa87ca22, 0xbe8b0537, 0x8eb1c71e, 0xf320ad74, 0x6e1d3b62, 0x8ba79b98, 0x59f741e0, 0x82542a38, 0x5502f25d, 0xbf55296c, 0x3a545e38, 0x72760ab7
        });
        private static readonly BigInteger BasePointY = ToBigInteger(new uint[]
        {
            0x3617de4a, 0x96262c6f, 0x5d9e98bf, 0x9292dc29, 0xf8f41dbd, 0x289a147c, 0xe9da3113, 0xb5f0b8c0, 0x0a60b1ce, 0x1d7e819d, 0x7a431d7c, 0x90ea0e5f
        });
 
        public NistP384()
            : base(p0, new PointOnCurve(BasePointX, BasePointY), B0, n0)
        {
        }
 
        public NistP384(byte[] Secret)
            : base(p0, new PointOnCurve(BasePointX, BasePointY), B0, n0, Secret)
        {
        }
 
        public override string CurveName => "NIST P-384";
 
        public override HashFunctionArray HashFunction => Hashes.ComputeSHA512Hash;
 
        public override HashFunctionStream HashFunctionStream => Hashes.ComputeSHA512Hash;
    }
}