public static void ToStorage(GeStorage r, Ge a)
{
var fe1 = a.X.Clone();
Field.Normalize(fe1);
var fe2 = a.Y.Clone();
Field.Normalize(fe2);
Field.ToStorage(r.X, fe1);
Field.ToStorage(r.Y, fe2);
}
public static void secp256k1_ecmult_gen(EcmultGenContext ctx, out GeJ r, Scalar gn)
{
var ge = new Ge();
var geStorage = new GeStorage();
r = ctx.Initial.Clone();
var r1 = new Scalar();
Scalar.Add(r1, gn, ctx.Blind);
ge.Infinity = false;
for (var index1 = 0; index1 < 64; ++index1)
{
var bits = r1.GetBits(index1 * 4, 4);
for (var 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);
}
public static void StorageCmov(GeStorage r, GeStorage a, bool flag)
{
Field.StorageCmov(r.X, a.X, flag);
Field.StorageCmov(r.Y, a.Y, flag);
}
public static void FromStorage(Ge r, GeStorage a)
{
Field.FromStorage(r.X, a.X);
Field.FromStorage(r.Y, a.Y);
r.Infinity = false;
}
