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

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using System.Security.Cryptography;
namespace Ryujinx.HLE.HOS.Services.Spl
{
[Service("csrng")]
class IRandomInterface : DisposableIpcService
{
private RandomNumberGenerator _rng;
private object _lock = new object();
public IRandomInterface(ServiceCtx context)
{
_rng = RandomNumberGenerator.Create();
}
[CommandHipc(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(context.Request.ReceiveBuff[0].Position, randomBytes);
return ResultCode.Success;
}
protected override void Dispose(bool isDisposing)
{
if (isDisposing)
{
_rng.Dispose();
}
}
}
}