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Fixes RNG (#181)

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Kamron Batman 2020-07-25 15:57:32 -07:00 • committed by GitHub
parent 319a990ede
commit ff3a28ab84
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8 changed files with 273 additions and 115 deletions
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Projects/Server/Random/SecureRandom.cs Normal file
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/*************************************************************************
* ModernUO *
* Copyright (C) 2019-2020 - ModernUO Development Team *
* Email: hi@modernuo.com *
* File: SecureRandom.cs - Created: 2020/01/09 - Updated: 2020/07/25 *
* *
* 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. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* 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 ??= new RNGCryptoServiceProvider();
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public override ulong NextULong()
{
Span<byte> buffer = stackalloc byte[sizeof(ulong)];
Generator.GetBytes(buffer);
return BinaryPrimitives.ReadUInt64BigEndian(buffer);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public override void NextBytes(Span<byte> buffer) => Generator.GetBytes(buffer);
}
}