public PheCrypto()
{
this.curveParams = NistNamedCurves.GetByName("P-256");
this.Curve = (FpCurve)this.curveParams.Curve;
this.CurveG = this.curveParams.G.Multiply(BigInteger.ValueOf(1));
this.Rng = new PheRandomGenerator();
this.sha512 = new SHA512Helper();
this.swu = new Swu(this.Curve.Q, this.Curve.B.ToBigInteger());
}
/// <summary>
/// Initializes a new instance of the <see cref="Swu"/> class.
/// </summary>
public Swu(BigInteger p, BigInteger b)
{
this.p = p;
this.b = b;
this.a = p.Neg(BigInteger.Three);
this.mba = p.Neg(p.Div(this.b, this.a));
this.p34 = p.Div(this.a, BigInteger.ValueOf(4));
this.p14 = p.Div(p.Add(p, BigInteger.One), BigInteger.ValueOf(4));
this.sha512 = new SHA512Helper();
}
