1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950 |
- #if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
- using System;
- using System.Diagnostics;
- namespace Org.BouncyCastle.Math.Raw
- {
- internal abstract class Nat384
- {
- public static void Mul(uint[] x, uint[] y, uint[] zz)
- {
- Nat192.Mul(x, y, zz);
- Nat192.Mul(x, 6, y, 6, zz, 12);
- uint c18 = Nat192.AddToEachOther(zz, 6, zz, 12);
- uint c12 = c18 + Nat192.AddTo(zz, 0, zz, 6, 0);
- c18 += Nat192.AddTo(zz, 18, zz, 12, c12);
- uint[] dx = Nat192.Create(), dy = Nat192.Create();
- bool neg = Nat192.Diff(x, 6, x, 0, dx, 0) != Nat192.Diff(y, 6, y, 0, dy, 0);
- uint[] tt = Nat192.CreateExt();
- Nat192.Mul(dx, dy, tt);
- c18 += neg ? Nat.AddTo(12, tt, 0, zz, 6) : (uint)Nat.SubFrom(12, tt, 0, zz, 6);
- Nat.AddWordAt(24, c18, zz, 18);
- }
- public static void Square(uint[] x, uint[] zz)
- {
- Nat192.Square(x, zz);
- Nat192.Square(x, 6, zz, 12);
- uint c18 = Nat192.AddToEachOther(zz, 6, zz, 12);
- uint c12 = c18 + Nat192.AddTo(zz, 0, zz, 6, 0);
- c18 += Nat192.AddTo(zz, 18, zz, 12, c12);
- uint[] dx = Nat192.Create();
- Nat192.Diff(x, 6, x, 0, dx, 0);
- uint[] m = Nat192.CreateExt();
- Nat192.Square(dx, m);
- c18 += (uint)Nat.SubFrom(12, m, 0, zz, 6);
- Nat.AddWordAt(24, c18, zz, 18);
- }
- }
- }
- #endif
|