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51 lines
1.5 KiB
51 lines
1.5 KiB
8 months ago
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#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
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#pragma warning disable
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using System;
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using System.Diagnostics;
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Math.Raw
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{
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internal abstract class Nat384
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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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Nat192.Mul(x, y, zz);
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Nat192.Mul(x, 6, y, 6, zz, 12);
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uint c18 = Nat192.AddToEachOther(zz, 6, zz, 12);
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uint c12 = c18 + Nat192.AddTo(zz, 0, zz, 6, 0);
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c18 += Nat192.AddTo(zz, 18, zz, 12, c12);
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uint[] dx = Nat192.Create(), dy = Nat192.Create();
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bool neg = Nat192.Diff(x, 6, x, 0, dx, 0) != Nat192.Diff(y, 6, y, 0, dy, 0);
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uint[] tt = Nat192.CreateExt();
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Nat192.Mul(dx, dy, tt);
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c18 += neg ? Nat.AddTo(12, tt, 0, zz, 6) : (uint)Nat.SubFrom(12, tt, 0, zz, 6);
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Nat.AddWordAt(24, c18, zz, 18);
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}
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public static void Square(uint[] x, uint[] zz)
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{
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Nat192.Square(x, zz);
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Nat192.Square(x, 6, zz, 12);
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uint c18 = Nat192.AddToEachOther(zz, 6, zz, 12);
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uint c12 = c18 + Nat192.AddTo(zz, 0, zz, 6, 0);
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c18 += Nat192.AddTo(zz, 18, zz, 12, c12);
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uint[] dx = Nat192.Create();
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Nat192.Diff(x, 6, x, 0, dx, 0);
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uint[] m = Nat192.CreateExt();
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Nat192.Square(dx, m);
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c18 += (uint)Nat.SubFrom(12, m, 0, zz, 6);
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Nat.AddWordAt(24, c18, zz, 18);
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}
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}
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}
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#pragma warning restore
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#endif
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