CurveData(final X9ECParameters params) {
ECCurve curve = params.getCurve();
this.a = curve.getA().toBigInteger().toString(16);
this.b = curve.getB().toBigInteger().toString(16);
this.x = params.getG().getAffineXCoord().toBigInteger().toString(16);
this.y = params.getG().getAffineYCoord().toBigInteger().toString(16);
this.n = params.getN().toString(16);
this.h = params.getH().intValue();
if (curve instanceof ECCurve.Fp) {
this.type = P;
ECCurve.Fp c = (ECCurve.Fp) curve;
this.sfield = c.getQ().toString(16);
} else // if (curve instanceof ECCurve.F2m)
{
this.type = B;
ECCurve.F2m c = (ECCurve.F2m) curve;
int m = c.getM();
int[] ks = new int[] {c.getK1(), c.getK2(), c.getK3()};
BigInteger rp = BigInteger.ONE;
rp = rp.setBit(m);
for (int j = 0; j < ks.length; j++) {
if (ks[j] > 0) {
rp = rp.setBit(ks[j]);
}
}
this.sfield = rp.toString(16);
}
}
