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HK_LongZhiMeng/Assets/Plugins/Best HTTP/Source/SecureProtocol/math/raw/Nat224.cs

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#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
#pragma warning disable
using System;
using System.Diagnostics;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Utilities;
namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Math.Raw
{
internal abstract class Nat224
{
private const ulong M = 0xFFFFFFFFUL;
public static uint Add(uint[] x, uint[] y, uint[] z)
{
ulong c = 0;
c += (ulong)x[0] + y[0];
z[0] = (uint)c;
c >>= 32;
c += (ulong)x[1] + y[1];
z[1] = (uint)c;
c >>= 32;
c += (ulong)x[2] + y[2];
z[2] = (uint)c;
c >>= 32;
c += (ulong)x[3] + y[3];
z[3] = (uint)c;
c >>= 32;
c += (ulong)x[4] + y[4];
z[4] = (uint)c;
c >>= 32;
c += (ulong)x[5] + y[5];
z[5] = (uint)c;
c >>= 32;
c += (ulong)x[6] + y[6];
z[6] = (uint)c;
c >>= 32;
return (uint)c;
}
public static uint Add(uint[] x, int xOff, uint[] y, int yOff, uint[] z, int zOff)
{
ulong c = 0;
c += (ulong)x[xOff + 0] + y[yOff + 0];
z[zOff + 0] = (uint)c;
c >>= 32;
c += (ulong)x[xOff + 1] + y[yOff + 1];
z[zOff + 1] = (uint)c;
c >>= 32;
c += (ulong)x[xOff + 2] + y[yOff + 2];
z[zOff + 2] = (uint)c;
c >>= 32;
c += (ulong)x[xOff + 3] + y[yOff + 3];
z[zOff + 3] = (uint)c;
c >>= 32;
c += (ulong)x[xOff + 4] + y[yOff + 4];
z[zOff + 4] = (uint)c;
c >>= 32;
c += (ulong)x[xOff + 5] + y[yOff + 5];
z[zOff + 5] = (uint)c;
c >>= 32;
c += (ulong)x[xOff + 6] + y[yOff + 6];
z[zOff + 6] = (uint)c;
c >>= 32;
return (uint)c;
}
public static uint AddBothTo(uint[] x, uint[] y, uint[] z)
{
ulong c = 0;
c += (ulong)x[0] + y[0] + z[0];
z[0] = (uint)c;
c >>= 32;
c += (ulong)x[1] + y[1] + z[1];
z[1] = (uint)c;
c >>= 32;
c += (ulong)x[2] + y[2] + z[2];
z[2] = (uint)c;
c >>= 32;
c += (ulong)x[3] + y[3] + z[3];
z[3] = (uint)c;
c >>= 32;
c += (ulong)x[4] + y[4] + z[4];
z[4] = (uint)c;
c >>= 32;
c += (ulong)x[5] + y[5] + z[5];
z[5] = (uint)c;
c >>= 32;
c += (ulong)x[6] + y[6] + z[6];
z[6] = (uint)c;
c >>= 32;
return (uint)c;
}
public static uint AddBothTo(uint[] x, int xOff, uint[] y, int yOff, uint[] z, int zOff)
{
ulong c = 0;
c += (ulong)x[xOff + 0] + y[yOff + 0] + z[zOff + 0];
z[zOff + 0] = (uint)c;
c >>= 32;
c += (ulong)x[xOff + 1] + y[yOff + 1] + z[zOff + 1];
z[zOff + 1] = (uint)c;
c >>= 32;
c += (ulong)x[xOff + 2] + y[yOff + 2] + z[zOff + 2];
z[zOff + 2] = (uint)c;
c >>= 32;
c += (ulong)x[xOff + 3] + y[yOff + 3] + z[zOff + 3];
z[zOff + 3] = (uint)c;
c >>= 32;
c += (ulong)x[xOff + 4] + y[yOff + 4] + z[zOff + 4];
z[zOff + 4] = (uint)c;
c >>= 32;
c += (ulong)x[xOff + 5] + y[yOff + 5] + z[zOff + 5];
z[zOff + 5] = (uint)c;
c >>= 32;
c += (ulong)x[xOff + 6] + y[yOff + 6] + z[zOff + 6];
z[zOff + 6] = (uint)c;
c >>= 32;
return (uint)c;
}
public static uint AddTo(uint[] x, uint[] z)
{
ulong c = 0;
c += (ulong)x[0] + z[0];
z[0] = (uint)c;
c >>= 32;
c += (ulong)x[1] + z[1];
z[1] = (uint)c;
c >>= 32;
c += (ulong)x[2] + z[2];
z[2] = (uint)c;
c >>= 32;
c += (ulong)x[3] + z[3];
z[3] = (uint)c;
c >>= 32;
c += (ulong)x[4] + z[4];
z[4] = (uint)c;
c >>= 32;
c += (ulong)x[5] + z[5];
z[5] = (uint)c;
c >>= 32;
c += (ulong)x[6] + z[6];
z[6] = (uint)c;
c >>= 32;
return (uint)c;
}
public static uint AddTo(uint[] x, int xOff, uint[] z, int zOff, uint cIn)
{
ulong c = cIn;
c += (ulong)x[xOff + 0] + z[zOff + 0];
z[zOff + 0] = (uint)c;
c >>= 32;
c += (ulong)x[xOff + 1] + z[zOff + 1];
z[zOff + 1] = (uint)c;
c >>= 32;
c += (ulong)x[xOff + 2] + z[zOff + 2];
z[zOff + 2] = (uint)c;
c >>= 32;
c += (ulong)x[xOff + 3] + z[zOff + 3];
z[zOff + 3] = (uint)c;
c >>= 32;
c += (ulong)x[xOff + 4] + z[zOff + 4];
z[zOff + 4] = (uint)c;
c >>= 32;
c += (ulong)x[xOff + 5] + z[zOff + 5];
z[zOff + 5] = (uint)c;
c >>= 32;
c += (ulong)x[xOff + 6] + z[zOff + 6];
z[zOff + 6] = (uint)c;
c >>= 32;
return (uint)c;
}
public static uint AddToEachOther(uint[] u, int uOff, uint[] v, int vOff)
{
ulong c = 0;
c += (ulong)u[uOff + 0] + v[vOff + 0];
u[uOff + 0] = (uint)c;
v[vOff + 0] = (uint)c;
c >>= 32;
c += (ulong)u[uOff + 1] + v[vOff + 1];
u[uOff + 1] = (uint)c;
v[vOff + 1] = (uint)c;
c >>= 32;
c += (ulong)u[uOff + 2] + v[vOff + 2];
u[uOff + 2] = (uint)c;
v[vOff + 2] = (uint)c;
c >>= 32;
c += (ulong)u[uOff + 3] + v[vOff + 3];
u[uOff + 3] = (uint)c;
v[vOff + 3] = (uint)c;
c >>= 32;
c += (ulong)u[uOff + 4] + v[vOff + 4];
u[uOff + 4] = (uint)c;
v[vOff + 4] = (uint)c;
c >>= 32;
c += (ulong)u[uOff + 5] + v[vOff + 5];
u[uOff + 5] = (uint)c;
v[vOff + 5] = (uint)c;
c >>= 32;
c += (ulong)u[uOff + 6] + v[vOff + 6];
u[uOff + 6] = (uint)c;
v[vOff + 6] = (uint)c;
c >>= 32;
return (uint)c;
}
public static void Copy(uint[] x, uint[] z)
{
z[0] = x[0];
z[1] = x[1];
z[2] = x[2];
z[3] = x[3];
z[4] = x[4];
z[5] = x[5];
z[6] = x[6];
}
public static void Copy(uint[] x, int xOff, uint[] z, int zOff)
{
z[zOff + 0] = x[xOff + 0];
z[zOff + 1] = x[xOff + 1];
z[zOff + 2] = x[xOff + 2];
z[zOff + 3] = x[xOff + 3];
z[zOff + 4] = x[xOff + 4];
z[zOff + 5] = x[xOff + 5];
z[zOff + 6] = x[xOff + 6];
}
public static uint[] Create()
{
return new uint[7];
}
public static uint[] CreateExt()
{
return new uint[14];
}
public static bool Diff(uint[] x, int xOff, uint[] y, int yOff, uint[] z, int zOff)
{
bool pos = Gte(x, xOff, y, yOff);
if (pos)
{
Sub(x, xOff, y, yOff, z, zOff);
}
else
{
Sub(y, yOff, x, xOff, z, zOff);
}
return pos;
}
public static bool Eq(uint[] x, uint[] y)
{
for (int i = 6; i >= 0; --i)
{
if (x[i] != y[i])
return false;
}
return true;
}
public static uint GetBit(uint[] x, int bit)
{
if (bit == 0)
{
return x[0] & 1;
}
int w = bit >> 5;
if (w < 0 || w >= 7)
{
return 0;
}
int b = bit & 31;
return (x[w] >> b) & 1;
}
public static bool Gte(uint[] x, uint[] y)
{
for (int i = 6; i >= 0; --i)
{
uint x_i = x[i], y_i = y[i];
if (x_i < y_i)
return false;
if (x_i > y_i)
return true;
}
return true;
}
public static bool Gte(uint[] x, int xOff, uint[] y, int yOff)
{
for (int i = 6; i >= 0; --i)
{
uint x_i = x[xOff + i], y_i = y[yOff + i];
if (x_i < y_i)
return false;
if (x_i > y_i)
return true;
}
return true;
}
public static bool IsOne(uint[] x)
{
if (x[0] != 1)
{
return false;
}
for (int i = 1; i < 7; ++i)
{
if (x[i] != 0)
{
return false;
}
}
return true;
}
public static bool IsZero(uint[] x)
{
for (int i = 0; i < 7; ++i)
{
if (x[i] != 0)
{
return false;
}
}
return true;
}
public static void Mul(uint[] x, uint[] y, uint[] zz)
{
ulong y_0 = y[0];
ulong y_1 = y[1];
ulong y_2 = y[2];
ulong y_3 = y[3];
ulong y_4 = y[4];
ulong y_5 = y[5];
ulong y_6 = y[6];
{
ulong c = 0, x_0 = x[0];
c += x_0 * y_0;
zz[0] = (uint)c;
c >>= 32;
c += x_0 * y_1;
zz[1] = (uint)c;
c >>= 32;
c += x_0 * y_2;
zz[2] = (uint)c;
c >>= 32;
c += x_0 * y_3;
zz[3] = (uint)c;
c >>= 32;
c += x_0 * y_4;
zz[4] = (uint)c;
c >>= 32;
c += x_0 * y_5;
zz[5] = (uint)c;
c >>= 32;
c += x_0 * y_6;
zz[6] = (uint)c;
c >>= 32;
zz[7] = (uint)c;
}
for (int i = 1; i < 7; ++i)
{
ulong c = 0, x_i = x[i];
c += x_i * y_0 + zz[i + 0];
zz[i + 0] = (uint)c;
c >>= 32;
c += x_i * y_1 + zz[i + 1];
zz[i + 1] = (uint)c;
c >>= 32;
c += x_i * y_2 + zz[i + 2];
zz[i + 2] = (uint)c;
c >>= 32;
c += x_i * y_3 + zz[i + 3];
zz[i + 3] = (uint)c;
c >>= 32;
c += x_i * y_4 + zz[i + 4];
zz[i + 4] = (uint)c;
c >>= 32;
c += x_i * y_5 + zz[i + 5];
zz[i + 5] = (uint)c;
c >>= 32;
c += x_i * y_6 + zz[i + 6];
zz[i + 6] = (uint)c;
c >>= 32;
zz[i + 7] = (uint)c;
}
}
public static void Mul(uint[] x, int xOff, uint[] y, int yOff, uint[] zz, int zzOff)
{
ulong y_0 = y[yOff + 0];
ulong y_1 = y[yOff + 1];
ulong y_2 = y[yOff + 2];
ulong y_3 = y[yOff + 3];
ulong y_4 = y[yOff + 4];
ulong y_5 = y[yOff + 5];
ulong y_6 = y[yOff + 6];
{
ulong c = 0, x_0 = x[xOff + 0];
c += x_0 * y_0;
zz[zzOff + 0] = (uint)c;
c >>= 32;
c += x_0 * y_1;
zz[zzOff + 1] = (uint)c;
c >>= 32;
c += x_0 * y_2;
zz[zzOff + 2] = (uint)c;
c >>= 32;
c += x_0 * y_3;
zz[zzOff + 3] = (uint)c;
c >>= 32;
c += x_0 * y_4;
zz[zzOff + 4] = (uint)c;
c >>= 32;
c += x_0 * y_5;
zz[zzOff + 5] = (uint)c;
c >>= 32;
c += x_0 * y_6;
zz[zzOff + 6] = (uint)c;
c >>= 32;
zz[zzOff + 7] = (uint)c;
}
for (int i = 1; i < 7; ++i)
{
++zzOff;
ulong c = 0, x_i = x[xOff + i];
c += x_i * y_0 + zz[zzOff + 0];
zz[zzOff + 0] = (uint)c;
c >>= 32;
c += x_i * y_1 + zz[zzOff + 1];
zz[zzOff + 1] = (uint)c;
c >>= 32;
c += x_i * y_2 + zz[zzOff + 2];
zz[zzOff + 2] = (uint)c;
c >>= 32;
c += x_i * y_3 + zz[zzOff + 3];
zz[zzOff + 3] = (uint)c;
c >>= 32;
c += x_i * y_4 + zz[zzOff + 4];
zz[zzOff + 4] = (uint)c;
c >>= 32;
c += x_i * y_5 + zz[zzOff + 5];
zz[zzOff + 5] = (uint)c;
c >>= 32;
c += x_i * y_6 + zz[zzOff + 6];
zz[zzOff + 6] = (uint)c;
c >>= 32;
zz[zzOff + 7] = (uint)c;
}
}
public static uint MulAddTo(uint[] x, uint[] y, uint[] zz)
{
ulong y_0 = y[0];
ulong y_1 = y[1];
ulong y_2 = y[2];
ulong y_3 = y[3];
ulong y_4 = y[4];
ulong y_5 = y[5];
ulong y_6 = y[6];
ulong zc = 0;
for (int i = 0; i < 7; ++i)
{
ulong c = 0, x_i = x[i];
c += x_i * y_0 + zz[i + 0];
zz[i + 0] = (uint)c;
c >>= 32;
c += x_i * y_1 + zz[i + 1];
zz[i + 1] = (uint)c;
c >>= 32;
c += x_i * y_2 + zz[i + 2];
zz[i + 2] = (uint)c;
c >>= 32;
c += x_i * y_3 + zz[i + 3];
zz[i + 3] = (uint)c;
c >>= 32;
c += x_i * y_4 + zz[i + 4];
zz[i + 4] = (uint)c;
c >>= 32;
c += x_i * y_5 + zz[i + 5];
zz[i + 5] = (uint)c;
c >>= 32;
c += x_i * y_6 + zz[i + 6];
zz[i + 6] = (uint)c;
c >>= 32;
zc += c + zz[i + 7];
zz[i + 7] = (uint)zc;
zc >>= 32;
}
return (uint)zc;
}
public static uint MulAddTo(uint[] x, int xOff, uint[] y, int yOff, uint[] zz, int zzOff)
{
ulong y_0 = y[yOff + 0];
ulong y_1 = y[yOff + 1];
ulong y_2 = y[yOff + 2];
ulong y_3 = y[yOff + 3];
ulong y_4 = y[yOff + 4];
ulong y_5 = y[yOff + 5];
ulong y_6 = y[yOff + 6];
ulong zc = 0;
for (int i = 0; i < 7; ++i)
{
ulong c = 0, x_i = x[xOff + i];
c += x_i * y_0 + zz[zzOff + 0];
zz[zzOff + 0] = (uint)c;
c >>= 32;
c += x_i * y_1 + zz[zzOff + 1];
zz[zzOff + 1] = (uint)c;
c >>= 32;
c += x_i * y_2 + zz[zzOff + 2];
zz[zzOff + 2] = (uint)c;
c >>= 32;
c += x_i * y_3 + zz[zzOff + 3];
zz[zzOff + 3] = (uint)c;
c >>= 32;
c += x_i * y_4 + zz[zzOff + 4];
zz[zzOff + 4] = (uint)c;
c >>= 32;
c += x_i * y_5 + zz[zzOff + 5];
zz[zzOff + 5] = (uint)c;
c >>= 32;
c += x_i * y_6 + zz[zzOff + 6];
zz[zzOff + 6] = (uint)c;
c >>= 32;
zc += c + zz[zzOff + 7];
zz[zzOff + 7] = (uint)zc;
zc >>= 32;
++zzOff;
}
return (uint)zc;
}
public static ulong Mul33Add(uint w, uint[] x, int xOff, uint[] y, int yOff, uint[] z, int zOff)
{
Debug.Assert(w >> 31 == 0);
ulong c = 0, wVal = w;
ulong x0 = x[xOff + 0];
c += wVal * x0 + y[yOff + 0];
z[zOff + 0] = (uint)c;
c >>= 32;
ulong x1 = x[xOff + 1];
c += wVal * x1 + x0 + y[yOff + 1];
z[zOff + 1] = (uint)c;
c >>= 32;
ulong x2 = x[xOff + 2];
c += wVal * x2 + x1 + y[yOff + 2];
z[zOff + 2] = (uint)c;
c >>= 32;
ulong x3 = x[xOff + 3];
c += wVal * x3 + x2 + y[yOff + 3];
z[zOff + 3] = (uint)c;
c >>= 32;
ulong x4 = x[xOff + 4];
c += wVal * x4 + x3 + y[yOff + 4];
z[zOff + 4] = (uint)c;
c >>= 32;
ulong x5 = x[xOff + 5];
c += wVal * x5 + x4 + y[yOff + 5];
z[zOff + 5] = (uint)c;
c >>= 32;
ulong x6 = x[xOff + 6];
c += wVal * x6 + x5 + y[yOff + 6];
z[zOff + 6] = (uint)c;
c >>= 32;
c += x6;
return c;
}
public static uint MulByWord(uint x, uint[] z)
{
ulong c = 0, xVal = x;
c += xVal * (ulong)z[0];
z[0] = (uint)c;
c >>= 32;
c += xVal * (ulong)z[1];
z[1] = (uint)c;
c >>= 32;
c += xVal * (ulong)z[2];
z[2] = (uint)c;
c >>= 32;
c += xVal * (ulong)z[3];
z[3] = (uint)c;
c >>= 32;
c += xVal * (ulong)z[4];
z[4] = (uint)c;
c >>= 32;
c += xVal * (ulong)z[5];
z[5] = (uint)c;
c >>= 32;
c += xVal * (ulong)z[6];
z[6] = (uint)c;
c >>= 32;
return (uint)c;
}
public static uint MulByWordAddTo(uint x, uint[] y, uint[] z)
{
ulong c = 0, xVal = x;
c += xVal * (ulong)z[0] + y[0];
z[0] = (uint)c;
c >>= 32;
c += xVal * (ulong)z[1] + y[1];
z[1] = (uint)c;
c >>= 32;
c += xVal * (ulong)z[2] + y[2];
z[2] = (uint)c;
c >>= 32;
c += xVal * (ulong)z[3] + y[3];
z[3] = (uint)c;
c >>= 32;
c += xVal * (ulong)z[4] + y[4];
z[4] = (uint)c;
c >>= 32;
c += xVal * (ulong)z[5] + y[5];
z[5] = (uint)c;
c >>= 32;
c += xVal * (ulong)z[6] + y[6];
z[6] = (uint)c;
c >>= 32;
return (uint)c;
}
public static uint MulWordAddTo(uint x, uint[] y, int yOff, uint[] z, int zOff)
{
ulong c = 0, xVal = x;
c += xVal * y[yOff + 0] + z[zOff + 0];
z[zOff + 0] = (uint)c;
c >>= 32;
c += xVal * y[yOff + 1] + z[zOff + 1];
z[zOff + 1] = (uint)c;
c >>= 32;
c += xVal * y[yOff + 2] + z[zOff + 2];
z[zOff + 2] = (uint)c;
c >>= 32;
c += xVal * y[yOff + 3] + z[zOff + 3];
z[zOff + 3] = (uint)c;
c >>= 32;
c += xVal * y[yOff + 4] + z[zOff + 4];
z[zOff + 4] = (uint)c;
c >>= 32;
c += xVal * y[yOff + 5] + z[zOff + 5];
z[zOff + 5] = (uint)c;
c >>= 32;
c += xVal * y[yOff + 6] + z[zOff + 6];
z[zOff + 6] = (uint)c;
c >>= 32;
return (uint)c;
}
public static uint Mul33DWordAdd(uint x, ulong y, uint[] z, int zOff)
{
Debug.Assert(x >> 31 == 0);
Debug.Assert(zOff <= 3);
ulong c = 0, xVal = x;
ulong y00 = y & M;
c += xVal * y00 + z[zOff + 0];
z[zOff + 0] = (uint)c;
c >>= 32;
ulong y01 = y >> 32;
c += xVal * y01 + y00 + z[zOff + 1];
z[zOff + 1] = (uint)c;
c >>= 32;
c += y01 + z[zOff + 2];
z[zOff + 2] = (uint)c;
c >>= 32;
c += z[zOff + 3];
z[zOff + 3] = (uint)c;
c >>= 32;
return c == 0 ? 0 : Nat.IncAt(7, z, zOff, 4);
}
public static uint Mul33WordAdd(uint x, uint y, uint[] z, int zOff)
{
Debug.Assert(x >> 31 == 0);
Debug.Assert(zOff <= 4);
ulong c = 0, yVal = y;
c += yVal * x + z[zOff + 0];
z[zOff + 0] = (uint)c;
c >>= 32;
c += yVal + z[zOff + 1];
z[zOff + 1] = (uint)c;
c >>= 32;
c += z[zOff + 2];
z[zOff + 2] = (uint)c;
c >>= 32;
return c == 0 ? 0 : Nat.IncAt(7, z, zOff, 3);
}
public static uint MulWordDwordAdd(uint x, ulong y, uint[] z, int zOff)
{
Debug.Assert(zOff <= 4);
ulong c = 0, xVal = x;
c += xVal * y + z[zOff + 0];
z[zOff + 0] = (uint)c;
c >>= 32;
c += xVal * (y >> 32) + z[zOff + 1];
z[zOff + 1] = (uint)c;
c >>= 32;
c += z[zOff + 2];
z[zOff + 2] = (uint)c;
c >>= 32;
return c == 0 ? 0 : Nat.IncAt(7, z, zOff, 3);
}
public static uint MulWord(uint x, uint[] y, uint[] z, int zOff)
{
ulong c = 0, xVal = x;
int i = 0;
do
{
c += xVal * y[i];
z[zOff + i] = (uint)c;
c >>= 32;
}
while (++i < 7);
return (uint)c;
}
public static void Square(uint[] x, uint[] zz)
{
ulong x_0 = x[0];
ulong zz_1;
uint c = 0, w;
{
int i = 6, j = 14;
do
{
ulong xVal = x[i--];
ulong p = xVal * xVal;
zz[--j] = (c << 31) | (uint)(p >> 33);
zz[--j] = (uint)(p >> 1);
c = (uint)p;
}
while (i > 0);
{
ulong p = x_0 * x_0;
zz_1 = (ulong)(c << 31) | (p >> 33);
zz[0] = (uint)p;
c = (uint)(p >> 32) & 1;
}
}
ulong x_1 = x[1];
ulong zz_2 = zz[2];
{
zz_1 += x_1 * x_0;
w = (uint)zz_1;
zz[1] = (w << 1) | c;
c = w >> 31;
zz_2 += zz_1 >> 32;
}
ulong x_2 = x[2];
ulong zz_3 = zz[3];
ulong zz_4 = zz[4];
{
zz_2 += x_2 * x_0;
w = (uint)zz_2;
zz[2] = (w << 1) | c;
c = w >> 31;
zz_3 += (zz_2 >> 32) + x_2 * x_1;
zz_4 += zz_3 >> 32;
zz_3 &= M;
}
ulong x_3 = x[3];
ulong zz_5 = zz[5] + (zz_4 >> 32); zz_4 &= M;
ulong zz_6 = zz[6] + (zz_5 >> 32); zz_5 &= M;
{
zz_3 += x_3 * x_0;
w = (uint)zz_3;
zz[3] = (w << 1) | c;
c = w >> 31;
zz_4 += (zz_3 >> 32) + x_3 * x_1;
zz_5 += (zz_4 >> 32) + x_3 * x_2;
zz_4 &= M;
zz_6 += zz_5 >> 32;
zz_5 &= M;
}
ulong x_4 = x[4];
ulong zz_7 = zz[7] + (zz_6 >> 32); zz_6 &= M;
ulong zz_8 = zz[8] + (zz_7 >> 32); zz_7 &= M;
{
zz_4 += x_4 * x_0;
w = (uint)zz_4;
zz[4] = (w << 1) | c;
c = w >> 31;
zz_5 += (zz_4 >> 32) + x_4 * x_1;
zz_6 += (zz_5 >> 32) + x_4 * x_2;
zz_5 &= M;
zz_7 += (zz_6 >> 32) + x_4 * x_3;
zz_6 &= M;
zz_8 += zz_7 >> 32;
zz_7 &= M;
}
ulong x_5 = x[5];
ulong zz_9 = zz[9] + (zz_8 >> 32); zz_8 &= M;
ulong zz_10 = zz[10] + (zz_9 >> 32); zz_9 &= M;
{
zz_5 += x_5 * x_0;
w = (uint)zz_5;
zz[5] = (w << 1) | c;
c = w >> 31;
zz_6 += (zz_5 >> 32) + x_5 * x_1;
zz_7 += (zz_6 >> 32) + x_5 * x_2;
zz_6 &= M;
zz_8 += (zz_7 >> 32) + x_5 * x_3;
zz_7 &= M;
zz_9 += (zz_8 >> 32) + x_5 * x_4;
zz_8 &= M;
zz_10 += zz_9 >> 32;
zz_9 &= M;
}
ulong x_6 = x[6];
ulong zz_11 = zz[11] + (zz_10 >> 32); zz_10 &= M;
ulong zz_12 = zz[12] + (zz_11 >> 32); zz_11 &= M;
{
zz_6 += x_6 * x_0;
w = (uint)zz_6;
zz[6] = (w << 1) | c;
c = w >> 31;
zz_7 += (zz_6 >> 32) + x_6 * x_1;
zz_8 += (zz_7 >> 32) + x_6 * x_2;
zz_9 += (zz_8 >> 32) + x_6 * x_3;
zz_10 += (zz_9 >> 32) + x_6 * x_4;
zz_11 += (zz_10 >> 32) + x_6 * x_5;
zz_12 += zz_11 >> 32;
}
w = (uint)zz_7;
zz[7] = (w << 1) | c;
c = w >> 31;
w = (uint)zz_8;
zz[8] = (w << 1) | c;
c = w >> 31;
w = (uint)zz_9;
zz[9] = (w << 1) | c;
c = w >> 31;
w = (uint)zz_10;
zz[10] = (w << 1) | c;
c = w >> 31;
w = (uint)zz_11;
zz[11] = (w << 1) | c;
c = w >> 31;
w = (uint)zz_12;
zz[12] = (w << 1) | c;
c = w >> 31;
w = zz[13] + (uint)(zz_12 >> 32);
zz[13] = (w << 1) | c;
}
public static void Square(uint[] x, int xOff, uint[] zz, int zzOff)
{
ulong x_0 = x[xOff + 0];
ulong zz_1;
uint c = 0, w;
{
int i = 6, j = 14;
do
{
ulong xVal = x[xOff + i--];
ulong p = xVal * xVal;
zz[zzOff + --j] = (c << 31) | (uint)(p >> 33);
zz[zzOff + --j] = (uint)(p >> 1);
c = (uint)p;
}
while (i > 0);
{
ulong p = x_0 * x_0;
zz_1 = (ulong)(c << 31) | (p >> 33);
zz[zzOff + 0] = (uint)p;
c = (uint)(p >> 32) & 1;
}
}
ulong x_1 = x[xOff + 1];
ulong zz_2 = zz[zzOff + 2];
{
zz_1 += x_1 * x_0;
w = (uint)zz_1;
zz[zzOff + 1] = (w << 1) | c;
c = w >> 31;
zz_2 += zz_1 >> 32;
}
ulong x_2 = x[xOff + 2];
ulong zz_3 = zz[zzOff + 3];
ulong zz_4 = zz[zzOff + 4];
{
zz_2 += x_2 * x_0;
w = (uint)zz_2;
zz[zzOff + 2] = (w << 1) | c;
c = w >> 31;
zz_3 += (zz_2 >> 32) + x_2 * x_1;
zz_4 += zz_3 >> 32;
zz_3 &= M;
}
ulong x_3 = x[xOff + 3];
ulong zz_5 = zz[zzOff + 5] + (zz_4 >> 32); zz_4 &= M;
ulong zz_6 = zz[zzOff + 6] + (zz_5 >> 32); zz_5 &= M;
{
zz_3 += x_3 * x_0;
w = (uint)zz_3;
zz[zzOff + 3] = (w << 1) | c;
c = w >> 31;
zz_4 += (zz_3 >> 32) + x_3 * x_1;
zz_5 += (zz_4 >> 32) + x_3 * x_2;
zz_4 &= M;
zz_6 += zz_5 >> 32;
zz_5 &= M;
}
ulong x_4 = x[xOff + 4];
ulong zz_7 = zz[zzOff + 7] + (zz_6 >> 32); zz_6 &= M;
ulong zz_8 = zz[zzOff + 8] + (zz_7 >> 32); zz_7 &= M;
{
zz_4 += x_4 * x_0;
w = (uint)zz_4;
zz[zzOff + 4] = (w << 1) | c;
c = w >> 31;
zz_5 += (zz_4 >> 32) + x_4 * x_1;
zz_6 += (zz_5 >> 32) + x_4 * x_2;
zz_5 &= M;
zz_7 += (zz_6 >> 32) + x_4 * x_3;
zz_6 &= M;
zz_8 += zz_7 >> 32;
zz_7 &= M;
}
ulong x_5 = x[xOff + 5];
ulong zz_9 = zz[zzOff + 9] + (zz_8 >> 32); zz_8 &= M;
ulong zz_10 = zz[zzOff + 10] + (zz_9 >> 32); zz_9 &= M;
{
zz_5 += x_5 * x_0;
w = (uint)zz_5;
zz[zzOff + 5] = (w << 1) | c;
c = w >> 31;
zz_6 += (zz_5 >> 32) + x_5 * x_1;
zz_7 += (zz_6 >> 32) + x_5 * x_2;
zz_6 &= M;
zz_8 += (zz_7 >> 32) + x_5 * x_3;
zz_7 &= M;
zz_9 += (zz_8 >> 32) + x_5 * x_4;
zz_8 &= M;
zz_10 += zz_9 >> 32;
zz_9 &= M;
}
ulong x_6 = x[xOff + 6];
ulong zz_11 = zz[zzOff + 11] + (zz_10 >> 32); zz_10 &= M;
ulong zz_12 = zz[zzOff + 12] + (zz_11 >> 32); zz_11 &= M;
{
zz_6 += x_6 * x_0;
w = (uint)zz_6;
zz[zzOff + 6] = (w << 1) | c;
c = w >> 31;
zz_7 += (zz_6 >> 32) + x_6 * x_1;
zz_8 += (zz_7 >> 32) + x_6 * x_2;
zz_9 += (zz_8 >> 32) + x_6 * x_3;
zz_10 += (zz_9 >> 32) + x_6 * x_4;
zz_11 += (zz_10 >> 32) + x_6 * x_5;
zz_12 += zz_11 >> 32;
}
w = (uint)zz_7;
zz[zzOff + 7] = (w << 1) | c;
c = w >> 31;
w = (uint)zz_8;
zz[zzOff + 8] = (w << 1) | c;
c = w >> 31;
w = (uint)zz_9;
zz[zzOff + 9] = (w << 1) | c;
c = w >> 31;
w = (uint)zz_10;
zz[zzOff + 10] = (w << 1) | c;
c = w >> 31;
w = (uint)zz_11;
zz[zzOff + 11] = (w << 1) | c;
c = w >> 31;
w = (uint)zz_12;
zz[zzOff + 12] = (w << 1) | c;
c = w >> 31;
w = zz[zzOff + 13] + (uint)(zz_12 >> 32);
zz[zzOff + 13] = (w << 1) | c;
}
public static int Sub(uint[] x, uint[] y, uint[] z)
{
long c = 0;
c += (long)x[0] - y[0];
z[0] = (uint)c;
c >>= 32;
c += (long)x[1] - y[1];
z[1] = (uint)c;
c >>= 32;
c += (long)x[2] - y[2];
z[2] = (uint)c;
c >>= 32;
c += (long)x[3] - y[3];
z[3] = (uint)c;
c >>= 32;
c += (long)x[4] - y[4];
z[4] = (uint)c;
c >>= 32;
c += (long)x[5] - y[5];
z[5] = (uint)c;
c >>= 32;
c += (long)x[6] - y[6];
z[6] = (uint)c;
c >>= 32;
return (int)c;
}
public static int Sub(uint[] x, int xOff, uint[] y, int yOff, uint[] z, int zOff)
{
long c = 0;
c += (long)x[xOff + 0] - y[yOff + 0];
z[zOff + 0] = (uint)c;
c >>= 32;
c += (long)x[xOff + 1] - y[yOff + 1];
z[zOff + 1] = (uint)c;
c >>= 32;
c += (long)x[xOff + 2] - y[yOff + 2];
z[zOff + 2] = (uint)c;
c >>= 32;
c += (long)x[xOff + 3] - y[yOff + 3];
z[zOff + 3] = (uint)c;
c >>= 32;
c += (long)x[xOff + 4] - y[yOff + 4];
z[zOff + 4] = (uint)c;
c >>= 32;
c += (long)x[xOff + 5] - y[yOff + 5];
z[zOff + 5] = (uint)c;
c >>= 32;
c += (long)x[xOff + 6] - y[yOff + 6];
z[zOff + 6] = (uint)c;
c >>= 32;
return (int)c;
}
public static int SubBothFrom(uint[] x, uint[] y, uint[] z)
{
long c = 0;
c += (long)z[0] - x[0] - y[0];
z[0] = (uint)c;
c >>= 32;
c += (long)z[1] - x[1] - y[1];
z[1] = (uint)c;
c >>= 32;
c += (long)z[2] - x[2] - y[2];
z[2] = (uint)c;
c >>= 32;
c += (long)z[3] - x[3] - y[3];
z[3] = (uint)c;
c >>= 32;
c += (long)z[4] - x[4] - y[4];
z[4] = (uint)c;
c >>= 32;
c += (long)z[5] - x[5] - y[5];
z[5] = (uint)c;
c >>= 32;
c += (long)z[6] - x[6] - y[6];
z[6] = (uint)c;
c >>= 32;
return (int)c;
}
public static int SubFrom(uint[] x, uint[] z)
{
long c = 0;
c += (long)z[0] - x[0];
z[0] = (uint)c;
c >>= 32;
c += (long)z[1] - x[1];
z[1] = (uint)c;
c >>= 32;
c += (long)z[2] - x[2];
z[2] = (uint)c;
c >>= 32;
c += (long)z[3] - x[3];
z[3] = (uint)c;
c >>= 32;
c += (long)z[4] - x[4];
z[4] = (uint)c;
c >>= 32;
c += (long)z[5] - x[5];
z[5] = (uint)c;
c >>= 32;
c += (long)z[6] - x[6];
z[6] = (uint)c;
c >>= 32;
return (int)c;
}
public static int SubFrom(uint[] x, int xOff, uint[] z, int zOff)
{
long c = 0;
c += (long)z[zOff + 0] - x[xOff + 0];
z[zOff + 0] = (uint)c;
c >>= 32;
c += (long)z[zOff + 1] - x[xOff + 1];
z[zOff + 1] = (uint)c;
c >>= 32;
c += (long)z[zOff + 2] - x[xOff + 2];
z[zOff + 2] = (uint)c;
c >>= 32;
c += (long)z[zOff + 3] - x[xOff + 3];
z[zOff + 3] = (uint)c;
c >>= 32;
c += (long)z[zOff + 4] - x[xOff + 4];
z[zOff + 4] = (uint)c;
c >>= 32;
c += (long)z[zOff + 5] - x[xOff + 5];
z[zOff + 5] = (uint)c;
c >>= 32;
c += (long)z[zOff + 6] - x[xOff + 6];
z[zOff + 6] = (uint)c;
c >>= 32;
return (int)c;
}
public static BigInteger ToBigInteger(uint[] x)
{
byte[] bs = new byte[28];
for (int i = 0; i < 7; ++i)
{
uint x_i = x[i];
if (x_i != 0)
{
Pack.UInt32_To_BE(x_i, bs, (6 - i) << 2);
}
}
return new BigInteger(1, bs);
}
public static void Zero(uint[] z)
{
z[0] = 0;
z[1] = 0;
z[2] = 0;
z[3] = 0;
z[4] = 0;
z[5] = 0;
z[6] = 0;
}
}
}
#pragma warning restore
#endif