using System.Security.Cryptography;

namespace System.Security.Rng;

public sealed class CryptoRngProvider : ICryptoRngProvider, IDisposable
{
    private readonly RNGCryptoServiceProvider rngProvider;
    private bool disposedValue;

    public CryptoRngProvider()
    {
        this.rngProvider = new RNGCryptoServiceProvider();
    }
    public CryptoRngProvider(CspParameters cspParams)
    {
        this.rngProvider = new RNGCryptoServiceProvider(cspParams);
    }


    public void GetBytes(byte[] data)
    {
        this.rngProvider.GetBytes(data);
    }
    public void GetNonZeroBytes(byte[] data)
    {
        this.rngProvider.GetNonZeroBytes(data);
    }
    public byte[] GetBytes(int byteCount)
    {
        var bytes = new byte[byteCount];
        this.GetBytes(bytes);
        return bytes;
    }
    public byte[] GetNonZeroBytes(int byteCount)
    {
        var bytes = new byte[byteCount];
        this.GetNonZeroBytes(bytes);
        return bytes;
    }

    private void Dispose(bool disposing)
    {
        if (!this.disposedValue)
        {
            if (disposing)
            {
                this.rngProvider.Dispose();
            }

            this.disposedValue = true;
        }
    }
    public void Dispose()
    {
        this.Dispose(disposing: true);
        GC.SuppressFinalize(this);
    }
}