rjx-mirror/Ryujinx.HLE/OsHle/Services/Spl/IRandomInterface.cs
Starlet 494f8f0248 Implement CSRNG (Cryptographically Secure Random Bytes) (#216)
* Implement CSRNG (Cryptographically Secure Random Bytes)

* Compliant with review.

* Dispose Rng
2018-07-13 23:36:57 +02:00

50 lines
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1.2 KiB
C#

using Ryujinx.HLE.OsHle.Ipc;
using System;
using System.Collections.Generic;
using System.Security.Cryptography;
namespace Ryujinx.HLE.OsHle.Services.Spl
{
class IRandomInterface : IpcService, IDisposable
{
private Dictionary<int, ServiceProcessRequest> m_Commands;
public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => m_Commands;
private RNGCryptoServiceProvider Rng;
public IRandomInterface()
{
m_Commands = new Dictionary<int, ServiceProcessRequest>()
{
{ 0, GetRandomBytes }
};
Rng = new RNGCryptoServiceProvider();
}
public long GetRandomBytes(ServiceCtx Context)
{
byte[] RandomBytes = new byte[Context.Request.ReceiveBuff[0].Size];
Rng.GetBytes(RandomBytes);
Context.Memory.WriteBytes(Context.Request.ReceiveBuff[0].Position, RandomBytes);
return 0;
}
public void Dispose()
{
Dispose(true);
}
protected virtual void Dispose(bool Disposing)
{
if (Disposing)
{
Rng.Dispose();
}
}
}
}