public SecP256R1Curve()
     : base(q)
 {
     m_infinity = new SecP256R1Point(this, null, null);
     m_a        = FromBigInteger(new BigInteger(1, Hex.Decode("FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFC")));
     m_b        = FromBigInteger(new BigInteger(1, Hex.Decode("5AC635D8AA3A93E7B3EBBD55769886BC651D06B0CC53B0F63BCE3C3E27D2604B")));
     m_order    = new BigInteger(1, Hex.Decode("FFFFFFFF00000000FFFFFFFFFFFFFFFFBCE6FAADA7179E84F3B9CAC2FC632551"));
     m_cofactor = BigInteger.One;
     m_coord    = 2;
 }
        public SecP256R1Curve()
            : base(q)
        {
            this.m_infinity = new SecP256R1Point(this, null, null);

            this.m_a = FromBigInteger(new BigInteger(1,
                Hex.Decode("FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFC")));
            this.m_b = FromBigInteger(new BigInteger(1,
                Hex.Decode("5AC635D8AA3A93E7B3EBBD55769886BC651D06B0CC53B0F63BCE3C3E27D2604B")));
            this.m_order = new BigInteger(1, Hex.Decode("FFFFFFFF00000000FFFFFFFFFFFFFFFFBCE6FAADA7179E84F3B9CAC2FC632551"));
            this.m_cofactor = BigInteger.One;
            this.m_coord = SecP256R1_DEFAULT_COORDS;
        }