Imports System
Imports System.IO
Imports System.Security.Cryptography



Public Class StoreKey

    Public Shared Sub Main()
        ' creates the CspParameters object and sets the key container name used to store the RSA key pair
        Dim cp As New CspParameters()
        cp.KeyContainerName = "MyKeyContainerName"

        ' instantiates the rsa instance accessing the key container MyKeyContainerName
        Dim rsa As New RSACryptoServiceProvider(cp)
        ' add the below line to delete the key entry in MyKeyContainerName
        ' rsa.PersistKeyInCsp = false;
        'writes out the current key pair used in the rsa instance
        Console.WriteLine("Key is : "  & rsa.ToXmlString(True))
    End Sub 'Main
End Class 'StoreKey

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

public class StoreKey
{
    public static void Main()
    {
        // creates the CspParameters object and sets the key container name used to store the RSA key pair
        CspParameters cp = new CspParameters();
        cp.KeyContainerName = "MyKeyContainerName";

        // instantiates the rsa instance accessing the key container MyKeyContainerName
        RSACryptoServiceProvider rsa = new RSACryptoServiceProvider(cp);
        // add the below line to delete the key entry in MyKeyContainerName
        // rsa.PersistKeyInCsp = false;

        //writes out the current key pair used in the rsa instance
        Console.WriteLine("Key is : \n" + rsa.ToXmlString(true));
    }
}

using namespace System;
using namespace System::IO;
using namespace System::Security::Cryptography;
int main()
{

   // creates the CspParameters object and sets the key container name used to store the RSA key pair
   CspParameters^ cp = gcnew CspParameters;
   cp->KeyContainerName = "MyKeyContainerName";

   // instantiates the rsa instance accessing the key container MyKeyContainerName
   RSACryptoServiceProvider^ rsa = gcnew RSACryptoServiceProvider( cp );

   // add the below line to delete the key entry in MyKeyContainerName
   // rsa.PersistKeyInCsp = false;
   //writes out the current key pair used in the rsa instance
   Console::WriteLine( "Key is : \n{0}", rsa->ToXmlString( true ) );
}

Imports System
Imports System.Security.Cryptography



Module SCSign

    Sub Main(ByVal args() As String)
        ' To idendify the Smart Card CryptoGraphic Providers on your
        ' computer, use the Microsoft Registry Editor (Regedit.exe).
        ' The available Smart Card CryptoGraphic Providers are listed
        ' in HKEY_LOCAL_MACHINE\Software\Microsoft\Cryptography\Defaults\Provider.

        ' Create a new CspParameters object that identifies a 
        ' Smart Card CryptoGraphic Provider.
        ' The 1st parameter comes from HKEY_LOCAL_MACHINE\Software\Microsoft\Cryptography\Defaults\Provider Types.
        ' The 2nd parameter comes from HKEY_LOCAL_MACHINE\Software\Microsoft\Cryptography\Defaults\Provider.
        Dim csp As New CspParameters(1, "Schlumberger Cryptographic Service Provider")
        csp.Flags = CspProviderFlags.UseDefaultKeyContainer

        ' Initialize an RSACryptoServiceProvider object using
        ' the CspParameters object.
        Dim rsa As New RSACryptoServiceProvider(csp)

        ' Create some data to sign.
        Dim data() As Byte = {0, 1, 2, 3, 4, 5, 6, 7}


        Console.WriteLine("Data   : " + BitConverter.ToString(data))

        ' Sign the data using the Smart Card CryptoGraphic Provider.
        Dim sig As Byte() = rsa.SignData(data, "SHA1")

        Console.WriteLine("Signature : " + BitConverter.ToString(sig))

        ' Verify the data using the Smart Card CryptoGraphic Provider.
        Dim verified As Boolean = rsa.VerifyData(data, "SHA1", sig)

        Console.WriteLine("Verified")

    End Sub

End Module

using System;
using System.Security.Cryptography;

namespace SmartCardSign
{
    class SCSign
    {
        static void Main(string[] args)
        {
            // To idendify the Smart Card CryptoGraphic Providers on your
            // computer, use the Microsoft Registry Editor (Regedit.exe).
            // The available Smart Card CryptoGraphic Providers are listed
            // in HKEY_LOCAL_MACHINE\Software\Microsoft\Cryptography\Defaults\Provider.


            // Create a new CspParameters object that identifies a 
            // Smart Card CryptoGraphic Provider.
            // The 1st parameter comes from HKEY_LOCAL_MACHINE\Software\Microsoft\Cryptography\Defaults\Provider Types.
            // The 2nd parameter comes from HKEY_LOCAL_MACHINE\Software\Microsoft\Cryptography\Defaults\Provider.
            CspParameters csp = new CspParameters(1, "Schlumberger Cryptographic Service Provider");
            csp.Flags = CspProviderFlags.UseDefaultKeyContainer;

            // Initialize an RSACryptoServiceProvider object using
            // the CspParameters object.
            RSACryptoServiceProvider rsa = new RSACryptoServiceProvider(csp);

            // Create some data to sign.
            byte[] data = new byte[] { 0, 1, 2, 3, 4, 5, 6, 7 };

            Console.WriteLine("Data            : " + BitConverter.ToString(data));

            // Sign the data using the Smart Card CryptoGraphic Provider.
            byte[] sig = rsa.SignData(data, "SHA1");

            Console.WriteLine("Signature    : " + BitConverter.ToString(sig));

            // Verify the data using the Smart Card CryptoGraphic Provider.
            bool verified = rsa.VerifyData(data, "SHA1", sig);

            Console.WriteLine("Verified        : " + verified);

        }
    }
}

using namespace System;
using namespace System::Security::Cryptography;
int main()
{

   // To idendify the Smart Card CryptoGraphic Providers on your
   // computer, use the Microsoft Registry Editor (Regedit.exe).
   // The available Smart Card CryptoGraphic Providers are listed
   // in HKEY_LOCAL_MACHINE\Software\Microsoft\Cryptography\Defaults\Provider.
   // Create a new CspParameters object that identifies a 
   // Smart Card CryptoGraphic Provider.
   // The 1st parameter comes from HKEY_LOCAL_MACHINE\Software\Microsoft\Cryptography\Defaults\Provider Types.
   // The 2nd parameter comes from HKEY_LOCAL_MACHINE\Software\Microsoft\Cryptography\Defaults\Provider.
   CspParameters^ csp = gcnew CspParameters( 1,L"Schlumberger Cryptographic Service Provider" );
   csp->Flags = CspProviderFlags::UseDefaultKeyContainer;

   // Initialize an RSACryptoServiceProvider object using
   // the CspParameters object.
   RSACryptoServiceProvider^ rsa = gcnew RSACryptoServiceProvider( csp );

   // Create some data to sign.
   array<Byte>^data = gcnew array<Byte>{
      0,1,2,3,4,5,6,7
   };
   Console::WriteLine( L"Data            : {0}", BitConverter::ToString( data ) );

   // Sign the data using the Smart Card CryptoGraphic Provider.
   array<Byte>^sig = rsa->SignData( data, L"SHA1" );
   Console::WriteLine( L"Signature    : {0}", BitConverter::ToString( sig ) );

   // Verify the data using the Smart Card CryptoGraphic Provider.
   bool verified = rsa->VerifyData( data, L"SHA1", sig );
   Console::WriteLine( L"Verified        : {0}", verified );
}