static public void Print(Formatter formatter, string curveName)
{
CurveNames curveEnum = GetCurveName(curveName);
ECParams ecp = ECRecommendedParameters.ecParams[(int)curveEnum];
ecp.Oid = ECRecommendedParameters.OID[(int)curveEnum];
formatter.PrintText("OID", ecp.Oid);
formatter.PrintBigInteger("p", "UCHAR", null, (ecp.parameters.Curve as FpCurve).Q);
formatter.PrintBigInteger("a", "UCHAR", null, ecp.parameters.Curve.A.ToBigInteger());
formatter.PrintBigInteger("b", "UCHAR", null, ecp.parameters.Curve.B.ToBigInteger());
formatter.PrintBigInteger("n", "UCHAR", null, ecp.parameters.N);
formatter.PrintBigInteger("h", "UCHAR", null, ecp.parameters.H);
formatter.PrintPoint("g", "UCHAR", null, ecp.parameters.G as FpPoint);
// g_1 ... g_n
for (int i = 1; i <= NumberOfPregeneratedGenerators; i++)
{
formatter.PrintPoint("g" + i, "UCHAR", null, ecp.g_i[i - 1], ecp.counter[i - 1]);
}
// g_t
formatter.PrintPoint("gt", "UCHAR", null, ecp.g_t, ecp.counter_t);
// g_d
formatter.PrintPoint("gd", "UCHAR", null, ecp.g_d, ecp.counter_d);
}
static public ECParams GenerateParameters(string curveName)
{
ECParams ecParams = new ECParams();
CurveNames curveEnum = GetCurveName(curveName);
ecParams.Oid = ECRecommendedParameters.OID[(int)curveEnum];
ecParams.parameters = NistNamedCurves.GetByName(curveName);
FpCurve curve = ecParams.parameters.Curve as FpCurve;
ecParams.q = ecParams.parameters.N;
ecParams.g = ecParams.parameters.G as FpPoint;
string pointGenerationHashInput = UProveHashInput + curveName;
// g_1 ... g_n
ecParams.g_i = new FpPoint[NumberOfPregeneratedGenerators];
ecParams.counter = new int[NumberOfPregeneratedGenerators];
for (int i = 1; i <= NumberOfPregeneratedGenerators; i++)
{
ecParams.g_i[i - 1] = GetRandomPoint(pointGenerationHashInput, curve, i, null, out ecParams.counter[i - 1]);
CheckIsOnCurve(curve, ecParams.g_i[i - 1]);
}
// g_t
ecParams.g_t = GetRandomPoint(pointGenerationHashInput, curve, 255, null, out ecParams.counter_t);
CheckIsOnCurve(curve, ecParams.g_t);
// g_d
ecParams.g_d = GetRandomPoint(pointGenerationHashInput, curve, 254, null, out ecParams.counter_d);
CheckIsOnCurve(curve, ecParams.g_d);
return(ecParams);
}
