public static void Square(uint[] x, uint[] zz)
{
Nat256.Square(x, zz);
Nat256.Square(x, 8, zz, 16);
uint num = Nat256.AddToEachOther(zz, 8, zz, 16);
uint cIn = num + Nat256.AddTo(zz, 0, zz, 8, 0u);
num += Nat256.AddTo(zz, 24, zz, 16, cIn);
uint[] array = Nat256.Create();
Nat256.Diff(x, 8, x, 0, array, 0);
uint[] array2 = Nat256.CreateExt();
Nat256.Square(array, array2);
num = (uint)((int)num + Nat.SubFrom(16, array2, 0, zz, 8));
Nat.AddWordAt(32, num, zz, 24);
}
public static void Mul(uint[] x, uint[] y, uint[] zz)
{
Nat256.Mul(x, y, zz);
Nat256.Mul(x, 8, y, 8, zz, 16);
uint num = Nat256.AddToEachOther(zz, 8, zz, 16);
uint cIn = num + Nat256.AddTo(zz, 0, zz, 8, 0u);
num += Nat256.AddTo(zz, 24, zz, 16, cIn);
uint[] array = Nat256.Create();
uint[] array2 = Nat256.Create();
bool flag = Nat256.Diff(x, 8, x, 0, array, 0) != Nat256.Diff(y, 8, y, 0, array2, 0);
uint[] array3 = Nat256.CreateExt();
Nat256.Mul(array, array2, array3);
num = (uint)((int)num + ((!flag) ? Nat.SubFrom(16, array3, 0, zz, 8) : ((int)Nat.AddTo(16, array3, 0, zz, 8))));
Nat.AddWordAt(32, num, zz, 24);
}
public static void Mul(uint[] x, uint[] y, uint[] zz)
{
Nat256.Mul(x, y, zz);
Nat256.Mul(x, 8, y, 8, zz, 16);
uint c24 = Nat256.AddToEachOther(zz, 8, zz, 16);
uint c16 = c24 + Nat256.AddTo(zz, 0, zz, 8, 0);
c24 += Nat256.AddTo(zz, 24, zz, 16, c16);
uint[] dx = Nat256.Create(), dy = Nat256.Create();
bool neg = Nat256.Diff(x, 8, x, 0, dx, 0) != Nat256.Diff(y, 8, y, 0, dy, 0);
uint[] tt = Nat256.CreateExt();
Nat256.Mul(dx, dy, tt);
c24 += neg ? Nat.AddTo(16, tt, 0, zz, 8) : (uint)Nat.SubFrom(16, tt, 0, zz, 8);
Nat.AddWordAt(32, c24, zz, 24);
}
public static void Square(uint[] x, uint[] zz)
{
Nat256.Square(x, zz);
Nat256.Square(x, 8, zz, 16);
uint c24 = Nat256.AddToEachOther(zz, 8, zz, 16);
uint c16 = c24 + Nat256.AddTo(zz, 0, zz, 8, 0);
c24 += Nat256.AddTo(zz, 24, zz, 16, c16);
uint[] dx = Nat256.Create();
Nat256.Diff(x, 8, x, 0, dx, 0);
uint[] m = Nat256.CreateExt();
Nat256.Square(dx, m);
c24 += (uint)Nat.SubFrom(16, m, 0, zz, 8);
Nat.AddWordAt(32, c24, zz, 24);
}