<ComVisibleAttribute(True)> _
Public NotInheritable Class RNGCryptoServiceProvider
    Inherits RandomNumberGenerator

Dim instance As RNGCryptoServiceProvider

[ComVisibleAttribute(true)] 
public sealed class RNGCryptoServiceProvider : RandomNumberGenerator

[ComVisibleAttribute(true)] 
public ref class RNGCryptoServiceProvider sealed : public RandomNumberGenerator

/** @attribute ComVisibleAttribute(true) */ 
public final class RNGCryptoServiceProvider extends RandomNumberGenerator

ComVisibleAttribute(true) 
public final class RNGCryptoServiceProvider extends RandomNumberGenerator

'The following sample uses the Cryptography class to simulate the roll of a dice.
Imports System
Imports System.IO
Imports System.Text
Imports System.Security.Cryptography



Class RNGCSP
    
    ' Main method.
    Public Shared Sub Main()
        ' Roll the dice 30 times and display 
        ' the results to the console.
        Dim x As Integer
        For x = 0 To 30
            Console.WriteLine(RollDice(6))
        Next x
    End Sub 'Main
     
    ' This method simulates a roll of the dice. The input parameter is the 
    ' number of sides of the dice.
    Public Shared Function RollDice(NumSides As Integer) As Integer
        ' Create a byte array to hold the random value.
        Dim randomNumber(0) As Byte
        
        ' Create a new instance of the RNGCryptoServiceProvider. 
        Dim Gen As New RNGCryptoServiceProvider()
        
        ' Fill the array with a random value.
        Gen.GetBytes(randomNumber)
        
        ' Convert the byte to an integer value to make the modulus operation easier.
        Dim rand As Integer = Convert.ToInt32(randomNumber(0))
        
        ' Return the random number mod the number
        ' of sides.  The possible values are zero-
        ' based, so we add one.
        Return rand Mod NumSides + 1
    End Function 'RollDice
End Class 'CryptoMemoryStream

//The following sample uses the Cryptography class to simulate the roll of a dice.

using System;
using System.IO;
using System.Text;
using System.Security.Cryptography;

class RNGCSP
{
    // Main method.
    public static void Main()
    {
        // Roll the dice 30 times and display 
        // the results to the console.
        for(int x = 0; x <= 30; x++)
            Console.WriteLine(RollDice(6));
    }
    
    // This method simulates a roll of the dice. The input parameter is the 
    // number of sides of the dice.
    public static int RollDice(int NumSides)
    {
        // Create a byte array to hold the random value.
        byte[] randomNumber = new byte[1];

        // Create a new instance of the RNGCryptoServiceProvider. 
        RNGCryptoServiceProvider Gen = new RNGCryptoServiceProvider();

        // Fill the array with a random value.
        Gen.GetBytes(randomNumber);

        // Convert the byte to an integer value to make the modulus operation easier.
        int rand = Convert.ToInt32(randomNumber[0]);

        // Return the random number mod the number
        // of sides.  The possible values are zero-
        // based, so we add one.
        return rand % NumSides + 1;
    }
}

// The following sample uses the Cryptography class
// to simulate the roll of a dice.

using namespace System;
using namespace System::IO;
using namespace System::Text;
using namespace System::Security::Cryptography;

int RollDice(int numberSides)
{
    // Create a byte array to hold the random value.
    array<Byte>^ randomNumber = gcnew array<Byte>(1);

    // Create a new instance of the RNGCryptoServiceProvider.
    RNGCryptoServiceProvider^ cryptoProvider =
        gcnew RNGCryptoServiceProvider();

    // Fill the array with a random value.
    cryptoProvider->GetBytes(randomNumber);

    // Convert the byte to an integer value to make the modulus operation
    // easier.
    int rand = Convert::ToInt32(randomNumber[0]);

    // Return the random number mod the number of sides.  The possible
    // values are zero-based, so we add one.
    return (rand % numberSides) + 1;
}
    
int main()
{
    // Roll the dice 30 times and display
    // the results to the console.
    for (int i = 0; i <= 30; i++)
    {
        Console::WriteLine(RollDice(6));
    }
}