1389 lines
32 KiB
C#
1389 lines
32 KiB
C#
using System;
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using Org.BouncyCastle.Crypto.Utilities;
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namespace Org.BouncyCastle.Math.Raw;
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internal abstract class Nat256
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{
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private const ulong M = 4294967295uL;
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public static uint Add(uint[] x, uint[] y, uint[] z)
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{
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ulong num = 0uL;
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num += (ulong)((long)x[0] + (long)y[0]);
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z[0] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[1] + (long)y[1]);
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z[1] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[2] + (long)y[2]);
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z[2] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[3] + (long)y[3]);
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z[3] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[4] + (long)y[4]);
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z[4] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[5] + (long)y[5]);
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z[5] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[6] + (long)y[6]);
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z[6] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[7] + (long)y[7]);
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z[7] = (uint)num;
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num >>= 32;
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return (uint)num;
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}
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public static uint Add(uint[] x, int xOff, uint[] y, int yOff, uint[] z, int zOff)
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{
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ulong num = 0uL;
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num += (ulong)((long)x[xOff] + (long)y[yOff]);
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z[zOff] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[xOff + 1] + (long)y[yOff + 1]);
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z[zOff + 1] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[xOff + 2] + (long)y[yOff + 2]);
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z[zOff + 2] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[xOff + 3] + (long)y[yOff + 3]);
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z[zOff + 3] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[xOff + 4] + (long)y[yOff + 4]);
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z[zOff + 4] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[xOff + 5] + (long)y[yOff + 5]);
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z[zOff + 5] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[xOff + 6] + (long)y[yOff + 6]);
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z[zOff + 6] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[xOff + 7] + (long)y[yOff + 7]);
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z[zOff + 7] = (uint)num;
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num >>= 32;
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return (uint)num;
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}
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public static uint AddBothTo(uint[] x, uint[] y, uint[] z)
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{
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ulong num = 0uL;
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num += (ulong)((long)x[0] + (long)y[0] + z[0]);
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z[0] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[1] + (long)y[1] + z[1]);
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z[1] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[2] + (long)y[2] + z[2]);
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z[2] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[3] + (long)y[3] + z[3]);
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z[3] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[4] + (long)y[4] + z[4]);
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z[4] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[5] + (long)y[5] + z[5]);
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z[5] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[6] + (long)y[6] + z[6]);
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z[6] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[7] + (long)y[7] + z[7]);
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z[7] = (uint)num;
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num >>= 32;
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return (uint)num;
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}
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public static uint AddBothTo(uint[] x, int xOff, uint[] y, int yOff, uint[] z, int zOff)
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{
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ulong num = 0uL;
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num += (ulong)((long)x[xOff] + (long)y[yOff] + z[zOff]);
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z[zOff] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[xOff + 1] + (long)y[yOff + 1] + z[zOff + 1]);
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z[zOff + 1] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[xOff + 2] + (long)y[yOff + 2] + z[zOff + 2]);
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z[zOff + 2] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[xOff + 3] + (long)y[yOff + 3] + z[zOff + 3]);
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z[zOff + 3] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[xOff + 4] + (long)y[yOff + 4] + z[zOff + 4]);
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z[zOff + 4] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[xOff + 5] + (long)y[yOff + 5] + z[zOff + 5]);
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z[zOff + 5] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[xOff + 6] + (long)y[yOff + 6] + z[zOff + 6]);
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z[zOff + 6] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[xOff + 7] + (long)y[yOff + 7] + z[zOff + 7]);
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z[zOff + 7] = (uint)num;
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num >>= 32;
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return (uint)num;
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}
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public static uint AddTo(uint[] x, uint[] z)
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{
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ulong num = 0uL;
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num += (ulong)((long)x[0] + (long)z[0]);
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z[0] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[1] + (long)z[1]);
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z[1] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[2] + (long)z[2]);
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z[2] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[3] + (long)z[3]);
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z[3] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[4] + (long)z[4]);
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z[4] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[5] + (long)z[5]);
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z[5] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[6] + (long)z[6]);
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z[6] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[7] + (long)z[7]);
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z[7] = (uint)num;
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num >>= 32;
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return (uint)num;
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}
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public static uint AddTo(uint[] x, int xOff, uint[] z, int zOff, uint cIn)
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{
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ulong num = cIn;
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num += (ulong)((long)x[xOff] + (long)z[zOff]);
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z[zOff] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[xOff + 1] + (long)z[zOff + 1]);
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z[zOff + 1] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[xOff + 2] + (long)z[zOff + 2]);
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z[zOff + 2] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[xOff + 3] + (long)z[zOff + 3]);
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z[zOff + 3] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[xOff + 4] + (long)z[zOff + 4]);
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z[zOff + 4] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[xOff + 5] + (long)z[zOff + 5]);
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z[zOff + 5] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[xOff + 6] + (long)z[zOff + 6]);
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z[zOff + 6] = (uint)num;
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num >>= 32;
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num += (ulong)((long)x[xOff + 7] + (long)z[zOff + 7]);
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z[zOff + 7] = (uint)num;
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num >>= 32;
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return (uint)num;
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}
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public static uint AddToEachOther(uint[] u, int uOff, uint[] v, int vOff)
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{
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ulong num = 0uL;
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num += (ulong)((long)u[uOff] + (long)v[vOff]);
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u[uOff] = (uint)num;
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v[vOff] = (uint)num;
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num >>= 32;
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num += (ulong)((long)u[uOff + 1] + (long)v[vOff + 1]);
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u[uOff + 1] = (uint)num;
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v[vOff + 1] = (uint)num;
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num >>= 32;
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num += (ulong)((long)u[uOff + 2] + (long)v[vOff + 2]);
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u[uOff + 2] = (uint)num;
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v[vOff + 2] = (uint)num;
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num >>= 32;
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num += (ulong)((long)u[uOff + 3] + (long)v[vOff + 3]);
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u[uOff + 3] = (uint)num;
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v[vOff + 3] = (uint)num;
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num >>= 32;
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num += (ulong)((long)u[uOff + 4] + (long)v[vOff + 4]);
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u[uOff + 4] = (uint)num;
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v[vOff + 4] = (uint)num;
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num >>= 32;
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num += (ulong)((long)u[uOff + 5] + (long)v[vOff + 5]);
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u[uOff + 5] = (uint)num;
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v[vOff + 5] = (uint)num;
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num >>= 32;
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num += (ulong)((long)u[uOff + 6] + (long)v[vOff + 6]);
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u[uOff + 6] = (uint)num;
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v[vOff + 6] = (uint)num;
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num >>= 32;
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num += (ulong)((long)u[uOff + 7] + (long)v[vOff + 7]);
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u[uOff + 7] = (uint)num;
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v[vOff + 7] = (uint)num;
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num >>= 32;
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return (uint)num;
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}
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public static void Copy(uint[] x, uint[] z)
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{
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z[0] = x[0];
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z[1] = x[1];
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z[2] = x[2];
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z[3] = x[3];
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z[4] = x[4];
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z[5] = x[5];
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z[6] = x[6];
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z[7] = x[7];
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}
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public static void Copy(uint[] x, int xOff, uint[] z, int zOff)
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{
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z[zOff] = x[xOff];
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z[zOff + 1] = x[xOff + 1];
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z[zOff + 2] = x[xOff + 2];
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z[zOff + 3] = x[xOff + 3];
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z[zOff + 4] = x[xOff + 4];
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z[zOff + 5] = x[xOff + 5];
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z[zOff + 6] = x[xOff + 6];
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z[zOff + 7] = x[xOff + 7];
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}
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public static void Copy64(ulong[] x, ulong[] z)
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{
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z[0] = x[0];
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z[1] = x[1];
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z[2] = x[2];
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z[3] = x[3];
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}
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public static void Copy64(ulong[] x, int xOff, ulong[] z, int zOff)
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{
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z[zOff] = x[xOff];
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z[zOff + 1] = x[xOff + 1];
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z[zOff + 2] = x[xOff + 2];
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z[zOff + 3] = x[xOff + 3];
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}
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public static uint[] Create()
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{
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return new uint[8];
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}
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public static ulong[] Create64()
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{
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return new ulong[4];
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}
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public static uint[] CreateExt()
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{
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return new uint[16];
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}
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public static ulong[] CreateExt64()
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{
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return new ulong[8];
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}
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public static bool Diff(uint[] x, int xOff, uint[] y, int yOff, uint[] z, int zOff)
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{
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bool flag = Gte(x, xOff, y, yOff);
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if (flag)
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{
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Sub(x, xOff, y, yOff, z, zOff);
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}
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else
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{
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Sub(y, yOff, x, xOff, z, zOff);
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}
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return flag;
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}
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public static bool Eq(uint[] x, uint[] y)
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{
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for (int num = 7; num >= 0; num--)
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{
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if (x[num] != y[num])
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{
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return false;
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}
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}
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return true;
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}
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public static bool Eq64(ulong[] x, ulong[] y)
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{
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for (int num = 3; num >= 0; num--)
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{
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if (x[num] != y[num])
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{
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return false;
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}
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}
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return true;
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}
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public static uint[] FromBigInteger(BigInteger x)
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{
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if (x.SignValue < 0 || x.BitLength > 256)
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{
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throw new ArgumentException();
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}
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uint[] array = Create();
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int num = 0;
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while (x.SignValue != 0)
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{
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array[num++] = (uint)x.IntValue;
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x = x.ShiftRight(32);
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}
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return array;
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}
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public static ulong[] FromBigInteger64(BigInteger x)
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{
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if (x.SignValue < 0 || x.BitLength > 256)
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{
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throw new ArgumentException();
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}
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ulong[] array = Create64();
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int num = 0;
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while (x.SignValue != 0)
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{
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array[num++] = (ulong)x.LongValue;
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x = x.ShiftRight(64);
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}
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return array;
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}
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public static uint GetBit(uint[] x, int bit)
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{
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if (bit == 0)
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{
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return x[0] & 1;
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}
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if ((bit & 0xFF) != bit)
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{
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return 0u;
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}
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int num = bit >> 5;
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int num2 = bit & 0x1F;
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return (x[num] >> num2) & 1;
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}
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public static bool Gte(uint[] x, uint[] y)
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{
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for (int num = 7; num >= 0; num--)
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{
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uint num2 = x[num];
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uint num3 = y[num];
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if (num2 < num3)
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{
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return false;
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}
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if (num2 > num3)
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{
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return true;
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}
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}
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return true;
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}
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public static bool Gte(uint[] x, int xOff, uint[] y, int yOff)
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{
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for (int num = 7; num >= 0; num--)
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{
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uint num2 = x[xOff + num];
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uint num3 = y[yOff + num];
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if (num2 < num3)
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{
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return false;
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}
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if (num2 > num3)
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{
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return true;
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}
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}
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return true;
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}
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public static bool IsOne(uint[] x)
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{
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if (x[0] != 1)
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{
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return false;
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}
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for (int i = 1; i < 8; i++)
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{
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if (x[i] != 0)
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{
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return false;
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}
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}
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return true;
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}
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public static bool IsOne64(ulong[] x)
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{
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if (x[0] != 1)
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{
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return false;
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}
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for (int i = 1; i < 4; i++)
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{
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if (x[i] != 0)
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{
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return false;
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}
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}
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return true;
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}
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public static bool IsZero(uint[] x)
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{
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for (int i = 0; i < 8; i++)
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{
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if (x[i] != 0)
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{
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return false;
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}
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}
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return true;
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}
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public static bool IsZero64(ulong[] x)
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{
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for (int i = 0; i < 4; i++)
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{
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if (x[i] != 0)
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{
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return false;
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}
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}
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return true;
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}
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public static void Mul(uint[] x, uint[] y, uint[] zz)
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{
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ulong num = y[0];
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ulong num2 = y[1];
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ulong num3 = y[2];
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ulong num4 = y[3];
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ulong num5 = y[4];
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ulong num6 = y[5];
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ulong num7 = y[6];
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ulong num8 = y[7];
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ulong num9 = 0uL;
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ulong num10 = x[0];
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num9 += num10 * num;
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zz[0] = (uint)num9;
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num9 >>= 32;
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num9 += num10 * num2;
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zz[1] = (uint)num9;
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num9 >>= 32;
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num9 += num10 * num3;
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zz[2] = (uint)num9;
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num9 >>= 32;
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num9 += num10 * num4;
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zz[3] = (uint)num9;
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num9 >>= 32;
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num9 += num10 * num5;
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zz[4] = (uint)num9;
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num9 >>= 32;
|
|
num9 += num10 * num6;
|
|
zz[5] = (uint)num9;
|
|
num9 >>= 32;
|
|
num9 += num10 * num7;
|
|
zz[6] = (uint)num9;
|
|
num9 >>= 32;
|
|
num9 += num10 * num8;
|
|
zz[7] = (uint)num9;
|
|
num9 >>= 32;
|
|
zz[8] = (uint)num9;
|
|
for (int i = 1; i < 8; i++)
|
|
{
|
|
ulong num11 = 0uL;
|
|
ulong num12 = x[i];
|
|
num11 += num12 * num + zz[i];
|
|
zz[i] = (uint)num11;
|
|
num11 >>= 32;
|
|
num11 += num12 * num2 + zz[i + 1];
|
|
zz[i + 1] = (uint)num11;
|
|
num11 >>= 32;
|
|
num11 += num12 * num3 + zz[i + 2];
|
|
zz[i + 2] = (uint)num11;
|
|
num11 >>= 32;
|
|
num11 += num12 * num4 + zz[i + 3];
|
|
zz[i + 3] = (uint)num11;
|
|
num11 >>= 32;
|
|
num11 += num12 * num5 + zz[i + 4];
|
|
zz[i + 4] = (uint)num11;
|
|
num11 >>= 32;
|
|
num11 += num12 * num6 + zz[i + 5];
|
|
zz[i + 5] = (uint)num11;
|
|
num11 >>= 32;
|
|
num11 += num12 * num7 + zz[i + 6];
|
|
zz[i + 6] = (uint)num11;
|
|
num11 >>= 32;
|
|
num11 += num12 * num8 + zz[i + 7];
|
|
zz[i + 7] = (uint)num11;
|
|
num11 >>= 32;
|
|
zz[i + 8] = (uint)num11;
|
|
}
|
|
}
|
|
|
|
public static void Mul(uint[] x, int xOff, uint[] y, int yOff, uint[] zz, int zzOff)
|
|
{
|
|
ulong num = y[yOff];
|
|
ulong num2 = y[yOff + 1];
|
|
ulong num3 = y[yOff + 2];
|
|
ulong num4 = y[yOff + 3];
|
|
ulong num5 = y[yOff + 4];
|
|
ulong num6 = y[yOff + 5];
|
|
ulong num7 = y[yOff + 6];
|
|
ulong num8 = y[yOff + 7];
|
|
ulong num9 = 0uL;
|
|
ulong num10 = x[xOff];
|
|
num9 += num10 * num;
|
|
zz[zzOff] = (uint)num9;
|
|
num9 >>= 32;
|
|
num9 += num10 * num2;
|
|
zz[zzOff + 1] = (uint)num9;
|
|
num9 >>= 32;
|
|
num9 += num10 * num3;
|
|
zz[zzOff + 2] = (uint)num9;
|
|
num9 >>= 32;
|
|
num9 += num10 * num4;
|
|
zz[zzOff + 3] = (uint)num9;
|
|
num9 >>= 32;
|
|
num9 += num10 * num5;
|
|
zz[zzOff + 4] = (uint)num9;
|
|
num9 >>= 32;
|
|
num9 += num10 * num6;
|
|
zz[zzOff + 5] = (uint)num9;
|
|
num9 >>= 32;
|
|
num9 += num10 * num7;
|
|
zz[zzOff + 6] = (uint)num9;
|
|
num9 >>= 32;
|
|
num9 += num10 * num8;
|
|
zz[zzOff + 7] = (uint)num9;
|
|
num9 >>= 32;
|
|
zz[zzOff + 8] = (uint)num9;
|
|
for (int i = 1; i < 8; i++)
|
|
{
|
|
zzOff++;
|
|
ulong num11 = 0uL;
|
|
ulong num12 = x[xOff + i];
|
|
num11 += num12 * num + zz[zzOff];
|
|
zz[zzOff] = (uint)num11;
|
|
num11 >>= 32;
|
|
num11 += num12 * num2 + zz[zzOff + 1];
|
|
zz[zzOff + 1] = (uint)num11;
|
|
num11 >>= 32;
|
|
num11 += num12 * num3 + zz[zzOff + 2];
|
|
zz[zzOff + 2] = (uint)num11;
|
|
num11 >>= 32;
|
|
num11 += num12 * num4 + zz[zzOff + 3];
|
|
zz[zzOff + 3] = (uint)num11;
|
|
num11 >>= 32;
|
|
num11 += num12 * num5 + zz[zzOff + 4];
|
|
zz[zzOff + 4] = (uint)num11;
|
|
num11 >>= 32;
|
|
num11 += num12 * num6 + zz[zzOff + 5];
|
|
zz[zzOff + 5] = (uint)num11;
|
|
num11 >>= 32;
|
|
num11 += num12 * num7 + zz[zzOff + 6];
|
|
zz[zzOff + 6] = (uint)num11;
|
|
num11 >>= 32;
|
|
num11 += num12 * num8 + zz[zzOff + 7];
|
|
zz[zzOff + 7] = (uint)num11;
|
|
num11 >>= 32;
|
|
zz[zzOff + 8] = (uint)num11;
|
|
}
|
|
}
|
|
|
|
public static uint MulAddTo(uint[] x, uint[] y, uint[] zz)
|
|
{
|
|
ulong num = y[0];
|
|
ulong num2 = y[1];
|
|
ulong num3 = y[2];
|
|
ulong num4 = y[3];
|
|
ulong num5 = y[4];
|
|
ulong num6 = y[5];
|
|
ulong num7 = y[6];
|
|
ulong num8 = y[7];
|
|
ulong num9 = 0uL;
|
|
for (int i = 0; i < 8; i++)
|
|
{
|
|
ulong num10 = 0uL;
|
|
ulong num11 = x[i];
|
|
num10 += num11 * num + zz[i];
|
|
zz[i] = (uint)num10;
|
|
num10 >>= 32;
|
|
num10 += num11 * num2 + zz[i + 1];
|
|
zz[i + 1] = (uint)num10;
|
|
num10 >>= 32;
|
|
num10 += num11 * num3 + zz[i + 2];
|
|
zz[i + 2] = (uint)num10;
|
|
num10 >>= 32;
|
|
num10 += num11 * num4 + zz[i + 3];
|
|
zz[i + 3] = (uint)num10;
|
|
num10 >>= 32;
|
|
num10 += num11 * num5 + zz[i + 4];
|
|
zz[i + 4] = (uint)num10;
|
|
num10 >>= 32;
|
|
num10 += num11 * num6 + zz[i + 5];
|
|
zz[i + 5] = (uint)num10;
|
|
num10 >>= 32;
|
|
num10 += num11 * num7 + zz[i + 6];
|
|
zz[i + 6] = (uint)num10;
|
|
num10 >>= 32;
|
|
num10 += num11 * num8 + zz[i + 7];
|
|
zz[i + 7] = (uint)num10;
|
|
num10 >>= 32;
|
|
num10 += num9 + zz[i + 8];
|
|
zz[i + 8] = (uint)num10;
|
|
num9 = num10 >> 32;
|
|
}
|
|
return (uint)num9;
|
|
}
|
|
|
|
public static uint MulAddTo(uint[] x, int xOff, uint[] y, int yOff, uint[] zz, int zzOff)
|
|
{
|
|
ulong num = y[yOff];
|
|
ulong num2 = y[yOff + 1];
|
|
ulong num3 = y[yOff + 2];
|
|
ulong num4 = y[yOff + 3];
|
|
ulong num5 = y[yOff + 4];
|
|
ulong num6 = y[yOff + 5];
|
|
ulong num7 = y[yOff + 6];
|
|
ulong num8 = y[yOff + 7];
|
|
ulong num9 = 0uL;
|
|
for (int i = 0; i < 8; i++)
|
|
{
|
|
ulong num10 = 0uL;
|
|
ulong num11 = x[xOff + i];
|
|
num10 += num11 * num + zz[zzOff];
|
|
zz[zzOff] = (uint)num10;
|
|
num10 >>= 32;
|
|
num10 += num11 * num2 + zz[zzOff + 1];
|
|
zz[zzOff + 1] = (uint)num10;
|
|
num10 >>= 32;
|
|
num10 += num11 * num3 + zz[zzOff + 2];
|
|
zz[zzOff + 2] = (uint)num10;
|
|
num10 >>= 32;
|
|
num10 += num11 * num4 + zz[zzOff + 3];
|
|
zz[zzOff + 3] = (uint)num10;
|
|
num10 >>= 32;
|
|
num10 += num11 * num5 + zz[zzOff + 4];
|
|
zz[zzOff + 4] = (uint)num10;
|
|
num10 >>= 32;
|
|
num10 += num11 * num6 + zz[zzOff + 5];
|
|
zz[zzOff + 5] = (uint)num10;
|
|
num10 >>= 32;
|
|
num10 += num11 * num7 + zz[zzOff + 6];
|
|
zz[zzOff + 6] = (uint)num10;
|
|
num10 >>= 32;
|
|
num10 += num11 * num8 + zz[zzOff + 7];
|
|
zz[zzOff + 7] = (uint)num10;
|
|
num10 >>= 32;
|
|
num10 += num9 + zz[zzOff + 8];
|
|
zz[zzOff + 8] = (uint)num10;
|
|
num9 = num10 >> 32;
|
|
zzOff++;
|
|
}
|
|
return (uint)num9;
|
|
}
|
|
|
|
public static ulong Mul33Add(uint w, uint[] x, int xOff, uint[] y, int yOff, uint[] z, int zOff)
|
|
{
|
|
ulong num = 0uL;
|
|
ulong num2 = w;
|
|
ulong num3 = x[xOff];
|
|
num += num2 * num3 + y[yOff];
|
|
z[zOff] = (uint)num;
|
|
num >>= 32;
|
|
ulong num4 = x[xOff + 1];
|
|
num += num2 * num4 + num3 + y[yOff + 1];
|
|
z[zOff + 1] = (uint)num;
|
|
num >>= 32;
|
|
ulong num5 = x[xOff + 2];
|
|
num += num2 * num5 + num4 + y[yOff + 2];
|
|
z[zOff + 2] = (uint)num;
|
|
num >>= 32;
|
|
ulong num6 = x[xOff + 3];
|
|
num += num2 * num6 + num5 + y[yOff + 3];
|
|
z[zOff + 3] = (uint)num;
|
|
num >>= 32;
|
|
ulong num7 = x[xOff + 4];
|
|
num += num2 * num7 + num6 + y[yOff + 4];
|
|
z[zOff + 4] = (uint)num;
|
|
num >>= 32;
|
|
ulong num8 = x[xOff + 5];
|
|
num += num2 * num8 + num7 + y[yOff + 5];
|
|
z[zOff + 5] = (uint)num;
|
|
num >>= 32;
|
|
ulong num9 = x[xOff + 6];
|
|
num += num2 * num9 + num8 + y[yOff + 6];
|
|
z[zOff + 6] = (uint)num;
|
|
num >>= 32;
|
|
ulong num10 = x[xOff + 7];
|
|
num += num2 * num10 + num9 + y[yOff + 7];
|
|
z[zOff + 7] = (uint)num;
|
|
num >>= 32;
|
|
return num + num10;
|
|
}
|
|
|
|
public static uint MulByWord(uint x, uint[] z)
|
|
{
|
|
ulong num = 0uL;
|
|
ulong num2 = x;
|
|
num += num2 * z[0];
|
|
z[0] = (uint)num;
|
|
num >>= 32;
|
|
num += num2 * z[1];
|
|
z[1] = (uint)num;
|
|
num >>= 32;
|
|
num += num2 * z[2];
|
|
z[2] = (uint)num;
|
|
num >>= 32;
|
|
num += num2 * z[3];
|
|
z[3] = (uint)num;
|
|
num >>= 32;
|
|
num += num2 * z[4];
|
|
z[4] = (uint)num;
|
|
num >>= 32;
|
|
num += num2 * z[5];
|
|
z[5] = (uint)num;
|
|
num >>= 32;
|
|
num += num2 * z[6];
|
|
z[6] = (uint)num;
|
|
num >>= 32;
|
|
num += num2 * z[7];
|
|
z[7] = (uint)num;
|
|
num >>= 32;
|
|
return (uint)num;
|
|
}
|
|
|
|
public static uint MulByWordAddTo(uint x, uint[] y, uint[] z)
|
|
{
|
|
ulong num = 0uL;
|
|
ulong num2 = x;
|
|
num += num2 * z[0] + y[0];
|
|
z[0] = (uint)num;
|
|
num >>= 32;
|
|
num += num2 * z[1] + y[1];
|
|
z[1] = (uint)num;
|
|
num >>= 32;
|
|
num += num2 * z[2] + y[2];
|
|
z[2] = (uint)num;
|
|
num >>= 32;
|
|
num += num2 * z[3] + y[3];
|
|
z[3] = (uint)num;
|
|
num >>= 32;
|
|
num += num2 * z[4] + y[4];
|
|
z[4] = (uint)num;
|
|
num >>= 32;
|
|
num += num2 * z[5] + y[5];
|
|
z[5] = (uint)num;
|
|
num >>= 32;
|
|
num += num2 * z[6] + y[6];
|
|
z[6] = (uint)num;
|
|
num >>= 32;
|
|
num += num2 * z[7] + y[7];
|
|
z[7] = (uint)num;
|
|
num >>= 32;
|
|
return (uint)num;
|
|
}
|
|
|
|
public static uint MulWordAddTo(uint x, uint[] y, int yOff, uint[] z, int zOff)
|
|
{
|
|
ulong num = 0uL;
|
|
ulong num2 = x;
|
|
num += num2 * y[yOff] + z[zOff];
|
|
z[zOff] = (uint)num;
|
|
num >>= 32;
|
|
num += num2 * y[yOff + 1] + z[zOff + 1];
|
|
z[zOff + 1] = (uint)num;
|
|
num >>= 32;
|
|
num += num2 * y[yOff + 2] + z[zOff + 2];
|
|
z[zOff + 2] = (uint)num;
|
|
num >>= 32;
|
|
num += num2 * y[yOff + 3] + z[zOff + 3];
|
|
z[zOff + 3] = (uint)num;
|
|
num >>= 32;
|
|
num += num2 * y[yOff + 4] + z[zOff + 4];
|
|
z[zOff + 4] = (uint)num;
|
|
num >>= 32;
|
|
num += num2 * y[yOff + 5] + z[zOff + 5];
|
|
z[zOff + 5] = (uint)num;
|
|
num >>= 32;
|
|
num += num2 * y[yOff + 6] + z[zOff + 6];
|
|
z[zOff + 6] = (uint)num;
|
|
num >>= 32;
|
|
num += num2 * y[yOff + 7] + z[zOff + 7];
|
|
z[zOff + 7] = (uint)num;
|
|
num >>= 32;
|
|
return (uint)num;
|
|
}
|
|
|
|
public static uint Mul33DWordAdd(uint x, ulong y, uint[] z, int zOff)
|
|
{
|
|
ulong num = 0uL;
|
|
ulong num2 = x;
|
|
ulong num3 = y & 0xFFFFFFFFu;
|
|
num += num2 * num3 + z[zOff];
|
|
z[zOff] = (uint)num;
|
|
num >>= 32;
|
|
ulong num4 = y >> 32;
|
|
num += num2 * num4 + num3 + z[zOff + 1];
|
|
z[zOff + 1] = (uint)num;
|
|
num >>= 32;
|
|
num += num4 + z[zOff + 2];
|
|
z[zOff + 2] = (uint)num;
|
|
num >>= 32;
|
|
num += z[zOff + 3];
|
|
z[zOff + 3] = (uint)num;
|
|
num >>= 32;
|
|
if (num != 0)
|
|
{
|
|
return Nat.IncAt(8, z, zOff, 4);
|
|
}
|
|
return 0u;
|
|
}
|
|
|
|
public static uint Mul33WordAdd(uint x, uint y, uint[] z, int zOff)
|
|
{
|
|
ulong num = 0uL;
|
|
ulong num2 = y;
|
|
num += num2 * x + z[zOff];
|
|
z[zOff] = (uint)num;
|
|
num >>= 32;
|
|
num += num2 + z[zOff + 1];
|
|
z[zOff + 1] = (uint)num;
|
|
num >>= 32;
|
|
num += z[zOff + 2];
|
|
z[zOff + 2] = (uint)num;
|
|
num >>= 32;
|
|
if (num != 0)
|
|
{
|
|
return Nat.IncAt(8, z, zOff, 3);
|
|
}
|
|
return 0u;
|
|
}
|
|
|
|
public static uint MulWordDwordAdd(uint x, ulong y, uint[] z, int zOff)
|
|
{
|
|
ulong num = 0uL;
|
|
ulong num2 = x;
|
|
num += num2 * y + z[zOff];
|
|
z[zOff] = (uint)num;
|
|
num >>= 32;
|
|
num += num2 * (y >> 32) + z[zOff + 1];
|
|
z[zOff + 1] = (uint)num;
|
|
num >>= 32;
|
|
num += z[zOff + 2];
|
|
z[zOff + 2] = (uint)num;
|
|
num >>= 32;
|
|
if (num != 0)
|
|
{
|
|
return Nat.IncAt(8, z, zOff, 3);
|
|
}
|
|
return 0u;
|
|
}
|
|
|
|
public static uint MulWord(uint x, uint[] y, uint[] z, int zOff)
|
|
{
|
|
ulong num = 0uL;
|
|
ulong num2 = x;
|
|
int num3 = 0;
|
|
do
|
|
{
|
|
num += num2 * y[num3];
|
|
z[zOff + num3] = (uint)num;
|
|
num >>= 32;
|
|
}
|
|
while (++num3 < 8);
|
|
return (uint)num;
|
|
}
|
|
|
|
public static void Square(uint[] x, uint[] zz)
|
|
{
|
|
ulong num = x[0];
|
|
uint num2 = 0u;
|
|
int num3 = 7;
|
|
int num4 = 16;
|
|
do
|
|
{
|
|
ulong num5 = x[num3--];
|
|
ulong num6 = num5 * num5;
|
|
zz[--num4] = (num2 << 31) | (uint)(int)(num6 >> 33);
|
|
zz[--num4] = (uint)(num6 >> 1);
|
|
num2 = (uint)num6;
|
|
}
|
|
while (num3 > 0);
|
|
ulong num7 = num * num;
|
|
ulong num8 = (num2 << 31) | (num7 >> 33);
|
|
zz[0] = (uint)num7;
|
|
num2 = (uint)((int)(num7 >> 32) & 1);
|
|
ulong num9 = x[1];
|
|
ulong num10 = zz[2];
|
|
num8 += num9 * num;
|
|
uint num11 = (uint)num8;
|
|
zz[1] = (num11 << 1) | num2;
|
|
num2 = num11 >> 31;
|
|
num10 += num8 >> 32;
|
|
ulong num12 = x[2];
|
|
ulong num13 = zz[3];
|
|
ulong num14 = zz[4];
|
|
num10 += num12 * num;
|
|
num11 = (uint)num10;
|
|
zz[2] = (num11 << 1) | num2;
|
|
num2 = num11 >> 31;
|
|
num13 += (num10 >> 32) + num12 * num9;
|
|
num14 += num13 >> 32;
|
|
num13 &= 0xFFFFFFFFu;
|
|
ulong num15 = x[3];
|
|
ulong num16 = zz[5] + (num14 >> 32);
|
|
num14 &= 0xFFFFFFFFu;
|
|
ulong num17 = zz[6] + (num16 >> 32);
|
|
num16 &= 0xFFFFFFFFu;
|
|
num13 += num15 * num;
|
|
num11 = (uint)num13;
|
|
zz[3] = (num11 << 1) | num2;
|
|
num2 = num11 >> 31;
|
|
num14 += (num13 >> 32) + num15 * num9;
|
|
num16 += (num14 >> 32) + num15 * num12;
|
|
num14 &= 0xFFFFFFFFu;
|
|
num17 += num16 >> 32;
|
|
num16 &= 0xFFFFFFFFu;
|
|
ulong num18 = x[4];
|
|
ulong num19 = zz[7] + (num17 >> 32);
|
|
num17 &= 0xFFFFFFFFu;
|
|
ulong num20 = zz[8] + (num19 >> 32);
|
|
num19 &= 0xFFFFFFFFu;
|
|
num14 += num18 * num;
|
|
num11 = (uint)num14;
|
|
zz[4] = (num11 << 1) | num2;
|
|
num2 = num11 >> 31;
|
|
num16 += (num14 >> 32) + num18 * num9;
|
|
num17 += (num16 >> 32) + num18 * num12;
|
|
num16 &= 0xFFFFFFFFu;
|
|
num19 += (num17 >> 32) + num18 * num15;
|
|
num17 &= 0xFFFFFFFFu;
|
|
num20 += num19 >> 32;
|
|
num19 &= 0xFFFFFFFFu;
|
|
ulong num21 = x[5];
|
|
ulong num22 = zz[9] + (num20 >> 32);
|
|
num20 &= 0xFFFFFFFFu;
|
|
ulong num23 = zz[10] + (num22 >> 32);
|
|
num22 &= 0xFFFFFFFFu;
|
|
num16 += num21 * num;
|
|
num11 = (uint)num16;
|
|
zz[5] = (num11 << 1) | num2;
|
|
num2 = num11 >> 31;
|
|
num17 += (num16 >> 32) + num21 * num9;
|
|
num19 += (num17 >> 32) + num21 * num12;
|
|
num17 &= 0xFFFFFFFFu;
|
|
num20 += (num19 >> 32) + num21 * num15;
|
|
num19 &= 0xFFFFFFFFu;
|
|
num22 += (num20 >> 32) + num21 * num18;
|
|
num20 &= 0xFFFFFFFFu;
|
|
num23 += num22 >> 32;
|
|
num22 &= 0xFFFFFFFFu;
|
|
ulong num24 = x[6];
|
|
ulong num25 = zz[11] + (num23 >> 32);
|
|
num23 &= 0xFFFFFFFFu;
|
|
ulong num26 = zz[12] + (num25 >> 32);
|
|
num25 &= 0xFFFFFFFFu;
|
|
num17 += num24 * num;
|
|
num11 = (uint)num17;
|
|
zz[6] = (num11 << 1) | num2;
|
|
num2 = num11 >> 31;
|
|
num19 += (num17 >> 32) + num24 * num9;
|
|
num20 += (num19 >> 32) + num24 * num12;
|
|
num19 &= 0xFFFFFFFFu;
|
|
num22 += (num20 >> 32) + num24 * num15;
|
|
num20 &= 0xFFFFFFFFu;
|
|
num23 += (num22 >> 32) + num24 * num18;
|
|
num22 &= 0xFFFFFFFFu;
|
|
num25 += (num23 >> 32) + num24 * num21;
|
|
num23 &= 0xFFFFFFFFu;
|
|
num26 += num25 >> 32;
|
|
num25 &= 0xFFFFFFFFu;
|
|
ulong num27 = x[7];
|
|
ulong num28 = zz[13] + (num26 >> 32);
|
|
num26 &= 0xFFFFFFFFu;
|
|
ulong num29 = zz[14] + (num28 >> 32);
|
|
num28 &= 0xFFFFFFFFu;
|
|
num19 += num27 * num;
|
|
num11 = (uint)num19;
|
|
zz[7] = (num11 << 1) | num2;
|
|
num2 = num11 >> 31;
|
|
num20 += (num19 >> 32) + num27 * num9;
|
|
num22 += (num20 >> 32) + num27 * num12;
|
|
num23 += (num22 >> 32) + num27 * num15;
|
|
num25 += (num23 >> 32) + num27 * num18;
|
|
num26 += (num25 >> 32) + num27 * num21;
|
|
num28 += (num26 >> 32) + num27 * num24;
|
|
num29 += num28 >> 32;
|
|
num11 = (uint)num20;
|
|
zz[8] = (num11 << 1) | num2;
|
|
num2 = num11 >> 31;
|
|
num11 = (uint)num22;
|
|
zz[9] = (num11 << 1) | num2;
|
|
num2 = num11 >> 31;
|
|
num11 = (uint)num23;
|
|
zz[10] = (num11 << 1) | num2;
|
|
num2 = num11 >> 31;
|
|
num11 = (uint)num25;
|
|
zz[11] = (num11 << 1) | num2;
|
|
num2 = num11 >> 31;
|
|
num11 = (uint)num26;
|
|
zz[12] = (num11 << 1) | num2;
|
|
num2 = num11 >> 31;
|
|
num11 = (uint)num28;
|
|
zz[13] = (num11 << 1) | num2;
|
|
num2 = num11 >> 31;
|
|
num11 = (uint)num29;
|
|
zz[14] = (num11 << 1) | num2;
|
|
num2 = num11 >> 31;
|
|
num11 = zz[15] + (uint)(int)(num29 >> 32);
|
|
zz[15] = (num11 << 1) | num2;
|
|
}
|
|
|
|
public static void Square(uint[] x, int xOff, uint[] zz, int zzOff)
|
|
{
|
|
ulong num = x[xOff];
|
|
uint num2 = 0u;
|
|
int num3 = 7;
|
|
int num4 = 16;
|
|
do
|
|
{
|
|
ulong num5 = x[xOff + num3--];
|
|
ulong num6 = num5 * num5;
|
|
zz[zzOff + --num4] = (num2 << 31) | (uint)(int)(num6 >> 33);
|
|
zz[zzOff + --num4] = (uint)(num6 >> 1);
|
|
num2 = (uint)num6;
|
|
}
|
|
while (num3 > 0);
|
|
ulong num7 = num * num;
|
|
ulong num8 = (num2 << 31) | (num7 >> 33);
|
|
zz[zzOff] = (uint)num7;
|
|
num2 = (uint)((int)(num7 >> 32) & 1);
|
|
ulong num9 = x[xOff + 1];
|
|
ulong num10 = zz[zzOff + 2];
|
|
num8 += num9 * num;
|
|
uint num11 = (uint)num8;
|
|
zz[zzOff + 1] = (num11 << 1) | num2;
|
|
num2 = num11 >> 31;
|
|
num10 += num8 >> 32;
|
|
ulong num12 = x[xOff + 2];
|
|
ulong num13 = zz[zzOff + 3];
|
|
ulong num14 = zz[zzOff + 4];
|
|
num10 += num12 * num;
|
|
num11 = (uint)num10;
|
|
zz[zzOff + 2] = (num11 << 1) | num2;
|
|
num2 = num11 >> 31;
|
|
num13 += (num10 >> 32) + num12 * num9;
|
|
num14 += num13 >> 32;
|
|
num13 &= 0xFFFFFFFFu;
|
|
ulong num15 = x[xOff + 3];
|
|
ulong num16 = zz[zzOff + 5] + (num14 >> 32);
|
|
num14 &= 0xFFFFFFFFu;
|
|
ulong num17 = zz[zzOff + 6] + (num16 >> 32);
|
|
num16 &= 0xFFFFFFFFu;
|
|
num13 += num15 * num;
|
|
num11 = (uint)num13;
|
|
zz[zzOff + 3] = (num11 << 1) | num2;
|
|
num2 = num11 >> 31;
|
|
num14 += (num13 >> 32) + num15 * num9;
|
|
num16 += (num14 >> 32) + num15 * num12;
|
|
num14 &= 0xFFFFFFFFu;
|
|
num17 += num16 >> 32;
|
|
num16 &= 0xFFFFFFFFu;
|
|
ulong num18 = x[xOff + 4];
|
|
ulong num19 = zz[zzOff + 7] + (num17 >> 32);
|
|
num17 &= 0xFFFFFFFFu;
|
|
ulong num20 = zz[zzOff + 8] + (num19 >> 32);
|
|
num19 &= 0xFFFFFFFFu;
|
|
num14 += num18 * num;
|
|
num11 = (uint)num14;
|
|
zz[zzOff + 4] = (num11 << 1) | num2;
|
|
num2 = num11 >> 31;
|
|
num16 += (num14 >> 32) + num18 * num9;
|
|
num17 += (num16 >> 32) + num18 * num12;
|
|
num16 &= 0xFFFFFFFFu;
|
|
num19 += (num17 >> 32) + num18 * num15;
|
|
num17 &= 0xFFFFFFFFu;
|
|
num20 += num19 >> 32;
|
|
num19 &= 0xFFFFFFFFu;
|
|
ulong num21 = x[xOff + 5];
|
|
ulong num22 = zz[zzOff + 9] + (num20 >> 32);
|
|
num20 &= 0xFFFFFFFFu;
|
|
ulong num23 = zz[zzOff + 10] + (num22 >> 32);
|
|
num22 &= 0xFFFFFFFFu;
|
|
num16 += num21 * num;
|
|
num11 = (uint)num16;
|
|
zz[zzOff + 5] = (num11 << 1) | num2;
|
|
num2 = num11 >> 31;
|
|
num17 += (num16 >> 32) + num21 * num9;
|
|
num19 += (num17 >> 32) + num21 * num12;
|
|
num17 &= 0xFFFFFFFFu;
|
|
num20 += (num19 >> 32) + num21 * num15;
|
|
num19 &= 0xFFFFFFFFu;
|
|
num22 += (num20 >> 32) + num21 * num18;
|
|
num20 &= 0xFFFFFFFFu;
|
|
num23 += num22 >> 32;
|
|
num22 &= 0xFFFFFFFFu;
|
|
ulong num24 = x[xOff + 6];
|
|
ulong num25 = zz[zzOff + 11] + (num23 >> 32);
|
|
num23 &= 0xFFFFFFFFu;
|
|
ulong num26 = zz[zzOff + 12] + (num25 >> 32);
|
|
num25 &= 0xFFFFFFFFu;
|
|
num17 += num24 * num;
|
|
num11 = (uint)num17;
|
|
zz[zzOff + 6] = (num11 << 1) | num2;
|
|
num2 = num11 >> 31;
|
|
num19 += (num17 >> 32) + num24 * num9;
|
|
num20 += (num19 >> 32) + num24 * num12;
|
|
num19 &= 0xFFFFFFFFu;
|
|
num22 += (num20 >> 32) + num24 * num15;
|
|
num20 &= 0xFFFFFFFFu;
|
|
num23 += (num22 >> 32) + num24 * num18;
|
|
num22 &= 0xFFFFFFFFu;
|
|
num25 += (num23 >> 32) + num24 * num21;
|
|
num23 &= 0xFFFFFFFFu;
|
|
num26 += num25 >> 32;
|
|
num25 &= 0xFFFFFFFFu;
|
|
ulong num27 = x[xOff + 7];
|
|
ulong num28 = zz[zzOff + 13] + (num26 >> 32);
|
|
num26 &= 0xFFFFFFFFu;
|
|
ulong num29 = zz[zzOff + 14] + (num28 >> 32);
|
|
num28 &= 0xFFFFFFFFu;
|
|
num19 += num27 * num;
|
|
num11 = (uint)num19;
|
|
zz[zzOff + 7] = (num11 << 1) | num2;
|
|
num2 = num11 >> 31;
|
|
num20 += (num19 >> 32) + num27 * num9;
|
|
num22 += (num20 >> 32) + num27 * num12;
|
|
num23 += (num22 >> 32) + num27 * num15;
|
|
num25 += (num23 >> 32) + num27 * num18;
|
|
num26 += (num25 >> 32) + num27 * num21;
|
|
num28 += (num26 >> 32) + num27 * num24;
|
|
num29 += num28 >> 32;
|
|
num11 = (uint)num20;
|
|
zz[zzOff + 8] = (num11 << 1) | num2;
|
|
num2 = num11 >> 31;
|
|
num11 = (uint)num22;
|
|
zz[zzOff + 9] = (num11 << 1) | num2;
|
|
num2 = num11 >> 31;
|
|
num11 = (uint)num23;
|
|
zz[zzOff + 10] = (num11 << 1) | num2;
|
|
num2 = num11 >> 31;
|
|
num11 = (uint)num25;
|
|
zz[zzOff + 11] = (num11 << 1) | num2;
|
|
num2 = num11 >> 31;
|
|
num11 = (uint)num26;
|
|
zz[zzOff + 12] = (num11 << 1) | num2;
|
|
num2 = num11 >> 31;
|
|
num11 = (uint)num28;
|
|
zz[zzOff + 13] = (num11 << 1) | num2;
|
|
num2 = num11 >> 31;
|
|
num11 = (uint)num29;
|
|
zz[zzOff + 14] = (num11 << 1) | num2;
|
|
num2 = num11 >> 31;
|
|
num11 = zz[zzOff + 15] + (uint)(int)(num29 >> 32);
|
|
zz[zzOff + 15] = (num11 << 1) | num2;
|
|
}
|
|
|
|
public static int Sub(uint[] x, uint[] y, uint[] z)
|
|
{
|
|
long num = 0L;
|
|
num += (long)x[0] - (long)y[0];
|
|
z[0] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)x[1] - (long)y[1];
|
|
z[1] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)x[2] - (long)y[2];
|
|
z[2] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)x[3] - (long)y[3];
|
|
z[3] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)x[4] - (long)y[4];
|
|
z[4] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)x[5] - (long)y[5];
|
|
z[5] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)x[6] - (long)y[6];
|
|
z[6] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)x[7] - (long)y[7];
|
|
z[7] = (uint)num;
|
|
num >>= 32;
|
|
return (int)num;
|
|
}
|
|
|
|
public static int Sub(uint[] x, int xOff, uint[] y, int yOff, uint[] z, int zOff)
|
|
{
|
|
long num = 0L;
|
|
num += (long)x[xOff] - (long)y[yOff];
|
|
z[zOff] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)x[xOff + 1] - (long)y[yOff + 1];
|
|
z[zOff + 1] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)x[xOff + 2] - (long)y[yOff + 2];
|
|
z[zOff + 2] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)x[xOff + 3] - (long)y[yOff + 3];
|
|
z[zOff + 3] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)x[xOff + 4] - (long)y[yOff + 4];
|
|
z[zOff + 4] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)x[xOff + 5] - (long)y[yOff + 5];
|
|
z[zOff + 5] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)x[xOff + 6] - (long)y[yOff + 6];
|
|
z[zOff + 6] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)x[xOff + 7] - (long)y[yOff + 7];
|
|
z[zOff + 7] = (uint)num;
|
|
num >>= 32;
|
|
return (int)num;
|
|
}
|
|
|
|
public static int SubBothFrom(uint[] x, uint[] y, uint[] z)
|
|
{
|
|
long num = 0L;
|
|
num += (long)z[0] - (long)x[0] - y[0];
|
|
z[0] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)z[1] - (long)x[1] - y[1];
|
|
z[1] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)z[2] - (long)x[2] - y[2];
|
|
z[2] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)z[3] - (long)x[3] - y[3];
|
|
z[3] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)z[4] - (long)x[4] - y[4];
|
|
z[4] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)z[5] - (long)x[5] - y[5];
|
|
z[5] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)z[6] - (long)x[6] - y[6];
|
|
z[6] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)z[7] - (long)x[7] - y[7];
|
|
z[7] = (uint)num;
|
|
num >>= 32;
|
|
return (int)num;
|
|
}
|
|
|
|
public static int SubFrom(uint[] x, uint[] z)
|
|
{
|
|
long num = 0L;
|
|
num += (long)z[0] - (long)x[0];
|
|
z[0] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)z[1] - (long)x[1];
|
|
z[1] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)z[2] - (long)x[2];
|
|
z[2] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)z[3] - (long)x[3];
|
|
z[3] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)z[4] - (long)x[4];
|
|
z[4] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)z[5] - (long)x[5];
|
|
z[5] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)z[6] - (long)x[6];
|
|
z[6] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)z[7] - (long)x[7];
|
|
z[7] = (uint)num;
|
|
num >>= 32;
|
|
return (int)num;
|
|
}
|
|
|
|
public static int SubFrom(uint[] x, int xOff, uint[] z, int zOff)
|
|
{
|
|
long num = 0L;
|
|
num += (long)z[zOff] - (long)x[xOff];
|
|
z[zOff] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)z[zOff + 1] - (long)x[xOff + 1];
|
|
z[zOff + 1] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)z[zOff + 2] - (long)x[xOff + 2];
|
|
z[zOff + 2] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)z[zOff + 3] - (long)x[xOff + 3];
|
|
z[zOff + 3] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)z[zOff + 4] - (long)x[xOff + 4];
|
|
z[zOff + 4] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)z[zOff + 5] - (long)x[xOff + 5];
|
|
z[zOff + 5] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)z[zOff + 6] - (long)x[xOff + 6];
|
|
z[zOff + 6] = (uint)num;
|
|
num >>= 32;
|
|
num += (long)z[zOff + 7] - (long)x[xOff + 7];
|
|
z[zOff + 7] = (uint)num;
|
|
num >>= 32;
|
|
return (int)num;
|
|
}
|
|
|
|
public static BigInteger ToBigInteger(uint[] x)
|
|
{
|
|
byte[] array = new byte[32];
|
|
for (int i = 0; i < 8; i++)
|
|
{
|
|
uint num = x[i];
|
|
if (num != 0)
|
|
{
|
|
Pack.UInt32_To_BE(num, array, 7 - i << 2);
|
|
}
|
|
}
|
|
return new BigInteger(1, array);
|
|
}
|
|
|
|
public static BigInteger ToBigInteger64(ulong[] x)
|
|
{
|
|
byte[] array = new byte[32];
|
|
for (int i = 0; i < 4; i++)
|
|
{
|
|
ulong num = x[i];
|
|
if (num != 0)
|
|
{
|
|
Pack.UInt64_To_BE(num, array, 3 - i << 3);
|
|
}
|
|
}
|
|
return new BigInteger(1, array);
|
|
}
|
|
|
|
public static void Zero(uint[] z)
|
|
{
|
|
z[0] = 0u;
|
|
z[1] = 0u;
|
|
z[2] = 0u;
|
|
z[3] = 0u;
|
|
z[4] = 0u;
|
|
z[5] = 0u;
|
|
z[6] = 0u;
|
|
z[7] = 0u;
|
|
}
|
|
}
|