40 lines
1.7 KiB
C#
40 lines
1.7 KiB
C#
/*************************************************************************
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* ModernUO *
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* Copyright 2019-2023 - ModernUO Development Team *
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* Email: hi@modernuo.com *
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* File: SecureRandom.cs *
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* *
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* This program is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation, either version 3 of the License, or *
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* (at your option) any later version. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>. *
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*************************************************************************/
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using System;
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using System.Buffers.Binary;
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using System.Runtime.CompilerServices;
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using System.Security.Cryptography;
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using Server.Random;
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namespace Server;
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public class SecureRandom : BaseRandomSource
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{
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private RandomNumberGenerator m_Random;
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public RandomNumberGenerator Generator => m_Random ??= RandomNumberGenerator.Create();
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public override ulong NextULong()
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{
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Span<byte> buffer = stackalloc byte[sizeof(ulong)];
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NextBytes(buffer);
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return BinaryPrimitives.ReadUInt64BigEndian(buffer);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public override void NextBytes(Span<byte> buffer) => Generator.GetBytes(buffer);
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}
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