Nat512
namespace Org.BouncyCastle.Math.Raw
{
internal static class Nat512
{
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, 0);
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 ? ((int)Nat.AddTo(16, array3, 0, zz, 8)) : Nat.SubFrom(16, array3, 0, zz, 8)));
Nat.AddWordAt(32, num, zz, 24);
}
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, 0);
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 Xor(uint[] x, uint[] y, uint[] z)
{
for (int i = 0; i < 16; i += 4) {
z[i] = (x[i] ^ y[i]);
z[i + 1] = (x[i + 1] ^ y[i + 1]);
z[i + 2] = (x[i + 2] ^ y[i + 2]);
z[i + 3] = (x[i + 3] ^ y[i + 3]);
}
}
public static void Xor(uint[] x, int xOff, uint[] y, int yOff, uint[] z, int zOff)
{
for (int i = 0; i < 16; i += 4) {
z[zOff + i] = (x[xOff + i] ^ y[yOff + i]);
z[zOff + i + 1] = (x[xOff + i + 1] ^ y[yOff + i + 1]);
z[zOff + i + 2] = (x[xOff + i + 2] ^ y[yOff + i + 2]);
z[zOff + i + 3] = (x[xOff + i + 3] ^ y[yOff + i + 3]);
}
}
public static void Xor64(ulong[] x, ulong[] y, ulong[] z)
{
for (int i = 0; i < 8; i += 4) {
z[i] = (x[i] ^ y[i]);
z[i + 1] = (x[i + 1] ^ y[i + 1]);
z[i + 2] = (x[i + 2] ^ y[i + 2]);
z[i + 3] = (x[i + 3] ^ y[i + 3]);
}
}
public static void Xor64(ulong[] x, int xOff, ulong[] y, int yOff, ulong[] z, int zOff)
{
for (int i = 0; i < 8; i += 4) {
z[zOff + i] = (x[xOff + i] ^ y[yOff + i]);
z[zOff + i + 1] = (x[xOff + i + 1] ^ y[yOff + i + 1]);
z[zOff + i + 2] = (x[xOff + i + 2] ^ y[yOff + i + 2]);
z[zOff + i + 3] = (x[xOff + i + 3] ^ y[yOff + i + 3]);
}
}
public static void XorBothTo(uint[] x, uint[] y, uint[] z)
{
for (int i = 0; i < 16; i += 4) {
z[i] ^= (x[i] ^ y[i]);
z[i + 1] ^= (x[i + 1] ^ y[i + 1]);
z[i + 2] ^= (x[i + 2] ^ y[i + 2]);
z[i + 3] ^= (x[i + 3] ^ y[i + 3]);
}
}
public static void XorBothTo(uint[] x, int xOff, uint[] y, int yOff, uint[] z, int zOff)
{
for (int i = 0; i < 16; i += 4) {
z[zOff + i] ^= (x[xOff + i] ^ y[yOff + i]);
z[zOff + i + 1] ^= (x[xOff + i + 1] ^ y[yOff + i + 1]);
z[zOff + i + 2] ^= (x[xOff + i + 2] ^ y[yOff + i + 2]);
z[zOff + i + 3] ^= (x[xOff + i + 3] ^ y[yOff + i + 3]);
}
}
public static void XorBothTo64(ulong[] x, ulong[] y, ulong[] z)
{
for (int i = 0; i < 8; i += 4) {
z[i] ^= (x[i] ^ y[i]);
z[i + 1] ^= (x[i + 1] ^ y[i + 1]);
z[i + 2] ^= (x[i + 2] ^ y[i + 2]);
z[i + 3] ^= (x[i + 3] ^ y[i + 3]);
}
}
public static void XorBothTo64(ulong[] x, int xOff, ulong[] y, int yOff, ulong[] z, int zOff)
{
for (int i = 0; i < 8; i += 4) {
z[zOff + i] ^= (x[xOff + i] ^ y[yOff + i]);
z[zOff + i + 1] ^= (x[xOff + i + 1] ^ y[yOff + i + 1]);
z[zOff + i + 2] ^= (x[xOff + i + 2] ^ y[yOff + i + 2]);
z[zOff + i + 3] ^= (x[xOff + i + 3] ^ y[yOff + i + 3]);
}
}
public static void XorTo(uint[] x, uint[] z)
{
for (int i = 0; i < 16; i += 4) {
z[i] ^= x[i];
z[i + 1] ^= x[i + 1];
z[i + 2] ^= x[i + 2];
z[i + 3] ^= x[i + 3];
}
}
public static void XorTo(uint[] x, int xOff, uint[] z, int zOff)
{
for (int i = 0; i < 16; i += 4) {
z[zOff + i] ^= x[xOff + i];
z[zOff + i + 1] ^= x[xOff + i + 1];
z[zOff + i + 2] ^= x[xOff + i + 2];
z[zOff + i + 3] ^= x[xOff + i + 3];
}
}
public static void XorTo64(ulong[] x, ulong[] z)
{
for (int i = 0; i < 8; i += 4) {
z[i] ^= x[i];
z[i + 1] ^= x[i + 1];
z[i + 2] ^= x[i + 2];
z[i + 3] ^= x[i + 3];
}
}
public static void XorTo64(ulong[] x, int xOff, ulong[] z, int zOff)
{
for (int i = 0; i < 8; i += 4) {
z[zOff + i] ^= x[xOff + i];
z[zOff + i + 1] ^= x[xOff + i + 1];
z[zOff + i + 2] ^= x[xOff + i + 2];
z[zOff + i + 3] ^= x[xOff + i + 3];
}
}
}
}