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fix: Use built-in RNG (#1599)

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### Summary

.NET 8 supports Xoroshiro 256** off the shelf and added Shuffle. Switching to that implementation.

### Developer Notes

* Removed many convenience methods that weren't used.
This commit is contained in:
Kamron Batman 2023-11-17 17:45:18 -08:00 • committed by GitHub
parent 1769d47ba5
commit dba3ec2db5
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14 changed files with 159 additions and 699 deletions
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40
Projects/Server/Random/SecureRandom.cs
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@ -1,40 +0,0 @@
/*************************************************************************
* ModernUO *
* Copyright 2019-2023 - ModernUO Development Team *
* Email: hi@modernuo.com *
* File: SecureRandom.cs *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
*************************************************************************/
using System;
using System.Buffers.Binary;
using System.Runtime.CompilerServices;
using System.Security.Cryptography;
using Server.Random;
namespace Server;
public class SecureRandom : BaseRandomSource
{
private RandomNumberGenerator m_Random;
public RandomNumberGenerator Generator => m_Random ??= RandomNumberGenerator.Create();
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public override ulong NextULong()
{
Span<byte> buffer = stackalloc byte[sizeof(ulong)];
NextBytes(buffer);
return BinaryPrimitives.ReadUInt64BigEndian(buffer);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public override void NextBytes(Span<byte> buffer) => Generator.GetBytes(buffer);
}