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Ryujinx/Ryujinx.HLE/HOS/Services/Spl/IRandomInterface.cs

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using System;
using System.Security.Cryptography;
namespace Ryujinx.HLE.HOS.Services.Spl
{
[Service("csrng")]
class IRandomInterface : IpcService, IDisposable
{
private RNGCryptoServiceProvider _rng;
public IRandomInterface(ServiceCtx context)
{
_rng = new RNGCryptoServiceProvider();
}
[Command(0)]
// GetRandomBytes() -> buffer<unknown, 6>
public ResultCode GetRandomBytes(ServiceCtx context)
{
byte[] randomBytes = new byte[context.Request.ReceiveBuff[0].Size];
_rng.GetBytes(randomBytes);
context.Memory.Write((ulong)context.Request.ReceiveBuff[0].Position, randomBytes);
return ResultCode.Success;
}
public void Dispose()
{
Dispose(true);
}
protected virtual void Dispose(bool disposing)
{
if (disposing)
{
_rng.Dispose();
}
}
}
}