StorePermission, classe

using System;
using System.Security.Permissions;
using System.Security.Cryptography;
using System.Security.Cryptography.X509Certificates;
using System.Security;
using System.IO;
[assembly:
StorePermission(SecurityAction.RequestMinimum, Flags = StorePermissionFlags.DeleteStore)]
public class X509store2
{
    public static void Main(string[] args)
    {
        Console.WriteLine("Creating a permission with Flags = OpenStore.");
        StorePermission sp = new StorePermission(StorePermissionFlags.OpenStore);
        //Create a new X509 store named teststore from the local certificate store.
        //You must put in a valid path to a certificate in the following constructor.
        X509Certificate2 certificate = new X509Certificate2("c:\\certificates\\*****.cer");
        //      Deny the permission to open a store.
        sp.Deny();
        // The following code results in an exception due to an attempt to open a store.
        AddToStore(certificate);
        // Remove the deny for opening a store.
        CodeAccessPermission.RevertDeny();
        // The following code results in an exception due to an attempt to add a certificate.
        // The exception is thrown due to a StorePermissionAttribute on the method denying AddToStore permission.
        AddToStore(certificate);
        // The current code is not affected by the attribute in the previously called method, so the following
        // intructions execute without an exception.
        X509Store store = new X509Store("teststore", StoreLocation.CurrentUser);
        store.Open(OpenFlags.ReadWrite);
        store.Add(certificate);

        // Demonstrate the behavior of the class members.
        ShowMembers();

        Console.WriteLine("Press the Enter key to exit.");
        Console.ReadKey();
        return;
    }
    //Deny the permission the ability to add to a store.
    [StorePermission(SecurityAction.Deny, Flags = StorePermissionFlags.AddToStore)]
    private static void AddToStore(X509Certificate2 cert)
    {
        try
        {
            X509Store store = new X509Store("teststore", StoreLocation.CurrentUser);

            store.Open(OpenFlags.ReadWrite);

            // The following attempt to add a certificate results in an exception being thrown.
            store.Add(cert);
            return;
        }
        catch (SecurityException e)
        {
            Console.WriteLine("Security exception thrown when attempting: " + 
                ((StorePermission)e.FirstPermissionThatFailed).Flags);
            return;
        }
    }

    // The following method is intended to demonstrate only the behavior of 
    // StorePermission class members,and not their practical usage.  Most properties 
    // and methods in this class are used for the resolution and enforcement of
    // security policy by the security infrastructure code.
    private static void ShowMembers()
    {
        Console.WriteLine("Creating first permission with Flags = OpenStore.");

        StorePermission sp1 = new StorePermission(StorePermissionFlags.OpenStore);

        Console.WriteLine("Creating second permission with Flags = AllFlags.");

        StorePermission sp2 = new StorePermission(StorePermissionFlags.AllFlags);

        Console.WriteLine("Creating third permission as Unrestricted.");
        StorePermission sp3 = new StorePermission(PermissionState.Unrestricted);
        Console.WriteLine("Creating fourth permission with a permission state of none.");

        StorePermission sp4 = new StorePermission(PermissionState.None);
        bool rc = sp2.IsSubsetOf(sp3);
        Console.WriteLine("Is the permission with complete store access (AllFlags) a subset of \n" +
            "\tthe permission with an Unrestricted permission state? " + (rc ? "Yes" : "No"));
        rc = sp1.IsSubsetOf(sp2);
        Console.WriteLine("Is the permission with OpenStore access a subset of the permission with \n" +
            "\tcomplete store access (AllFlags)? " + (rc ? "Yes" : "No"));
        rc = sp3.IsUnrestricted();
        Console.WriteLine("Is the third permission unrestricted? " + (rc ? "Yes" : "No"));
        Console.WriteLine("Copying the second permission to the fourth permission.");
        sp4 = (StorePermission)sp2.Copy();
        rc = sp4.Equals(sp2);
        Console.WriteLine("Is the fourth permission equal to the second permission? " + (rc ? "Yes" : "No"));

        Console.WriteLine("Creating the intersection of the second and first permissions.");
        sp4 = (StorePermission)sp2.Intersect(sp1);
        Console.WriteLine("Value of the Flags property is: " + sp4.Flags.ToString());

        Console.WriteLine("Creating the union of the second and first permissions.");
        sp4 = (StorePermission)sp2.Union(sp1);
        Console.WriteLine("Result of the union of the second permission with the first:  " + sp4.Flags);

        Console.WriteLine("Using an XML roundtrip to reset the fourth permission.");
        sp4.FromXml(sp2.ToXml());
        rc = sp4.Equals(sp2);
        Console.WriteLine("Does the XML roundtrip result equal the original permission? " + (rc ? "Yes" : "No"));
    }
}

import System.*;
import System.Security.Permissions.*;
import System.Security.Cryptography.*;
import System.Security.Cryptography.X509Certificates.*;
import System.Security.*;
import System.IO.*;

/** @assembly StorePermission(SecurityAction.RequestMinimum,
    Flags = StorePermissionFlags.DeleteStore)
 */
public class X509store2
{
	public static void main(String[] args)
	{
		Console.WriteLine("Creating a permission with Flags = OpenStore.");
		StorePermission sp = new StorePermission(StorePermissionFlags.OpenStore);
		//Create a new X509 store named teststore from the local certificate 
		// store.
		//You must put in a valid path to a certificate in the following 
		// constructor.
		X509Certificate2 certificate =
			new X509Certificate2("c:\\certificates\\*****.cer");
		//      Deny the permission to open a store.
		sp.Deny();
		// The following code results in an exception due to an attempt 
		// to open a store.
		AddToStore(certificate);
		// Remove the deny for opening a store.
		CodeAccessPermission.RevertDeny();
		// The following code results in an exception due to an attempt to 
		// add a certificate.
		// The exception is thrown due to a StorePermissionAttribute 
		// on the method denying AddToStore permission.
		AddToStore(certificate);
		// The current code is not affected by the attribute in the
		// previously called method, so the following
		// intructions execute without an exception.
		X509Store store = new X509Store("teststore",
			StoreLocation.CurrentUser);
		store.Open(OpenFlags.ReadWrite);
		store.Add(certificate);
		// Demonstrate the behavior of the class members.
		ShowMembers();

		Console.WriteLine("Press the Enter key to exit.");
		Console.ReadKey();
		return;
	} //main

	//Deny the permission the ability to add to a store.
	/** @attribute StorePermission(SecurityAction.Deny, Flags =
		StorePermissionFlags.AddToStore)
	 */
	private static void AddToStore(X509Certificate2 cert)
	{
		try
		{
			X509Store store = new X509Store("teststore",
				StoreLocation.CurrentUser);
			store.Open(OpenFlags.ReadWrite);
			// The following attempt to add a certificate results in 
			// an exception being thrown.
			store.Add(cert);
			return;
		}
		catch (System.Security.SecurityException e)
		{
			Console.WriteLine("Security exception thrown when attempting: "
				+ ((StorePermission)e.get_FirstPermissionThatFailed()).get_Flags());
			return;
		}
	} //AddToStore

	// The following method is intended to demonstrate only the behavior of 
	// StorePermission class members,and not their practical usage. 
	// Most properties 
	// and methods in this class are used for the resolution and enforcement 
	// of security policy by the security infrastructure code.
	private static void ShowMembers()
	{
		Console.WriteLine("Creating first permission with Flags = OpenStore.");
		StorePermission sp1 = new StorePermission(StorePermissionFlags.
			OpenStore);
		Console.WriteLine("Creating second permission with Flags = AllFlags.");
		StorePermission sp2 = new StorePermission(StorePermissionFlags.AllFlags);
		Console.WriteLine("Creating third permission as Unrestricted.");
		StorePermission sp3 = new StorePermission(PermissionState.Unrestricted);
		Console.WriteLine("Creating fourth permission with a permission "
			+ "state of none.");
		StorePermission sp4 = new StorePermission(PermissionState.None);
		boolean rc = sp2.IsSubsetOf(sp3);
		Console.WriteLine("Is the permission with complete store access "
			+ "(AllFlags) a subset of \n"
			+ "\tthe permission with an Unrestricted permission state? "
			+ ((rc) ? "Yes" : "No"));
		rc = sp1.IsSubsetOf(sp2);
		Console.WriteLine("Is the permission with OpenStore access "
			+ "a subset of the permission with \n"
			+ "\tcomplete store access (AllFlags)? "
			+ ((rc) ? "Yes" : "No"));
		rc = sp3.IsUnrestricted();
		Console.WriteLine("Is the third permission unrestricted? "
			+ ((rc) ? "Yes" : "No"));
		Console.WriteLine("Copying the second permission to the fourth "
			+ "permission.");
		sp4 = (StorePermission)sp2.Copy();
		rc = sp4.Equals(sp2);
		Console.WriteLine("Is the fourth permission equal to the second "
			+ "permission? " + ((rc) ? "Yes" : "No"));
		Console.WriteLine("Creating the intersection of the second and "
			+ "first permissions.");
		sp4 = (StorePermission)sp2.Intersect(sp1);
		Console.WriteLine("Value of the Flags property is: "
			+ sp4.get_Flags().ToString());
		Console.WriteLine("Creating the union of the second and first "
			+ "permissions.");
		sp4 = (StorePermission)sp2.Union(sp1);
		Console.WriteLine("Result of the union of the second permission "
			+ "with the first:  " + sp4.get_Flags());
		Console.WriteLine("Using an XML roundtrip to reset the fourth "
			+ "permission.");
		sp4.FromXml(sp2.ToXml());
		rc = sp4.Equals(sp2);
		Console.WriteLine("Does the XML roundtrip result equal the original "
			+ "permission? " + ((rc) ? "Yes" : "No"));
	} //ShowMembers 
} //X509store2