public static void secp256k1_ecmult_gen(EcmultGenContext ctx, out GeJ r, Scalar gn)
{
Ge ge = new Ge();
GeStorage geStorage = new GeStorage();
r = ctx.Initial.Clone();
Scalar r1 = new Scalar();
Scalar.Add(r1, gn, ctx.Blind);
ge.Infinity = false;
for (int index1 = 0; index1 < 64; ++index1)
{
uint bits = r1.GetBits(index1 * 4, 4);
for (int index2 = 0; index2 < 16; ++index2)
{
Group.StorageCmov(geStorage, ctx.Prec[index1][index2], (long)index2 == (long)bits);
}
Group.FromStorage(ge, geStorage);
Group.GeJAddGe(r, r, ge);
}
Group.secp256k1_ge_clear(ge);
Scalar.Clear(r1);
}
