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//
// ProtectedDataTest.cs - NUnit Test Cases for ProtectedData
//
// Author:
// Sebastien Pouliot <sebastien@ximian.com>
//
// (C) 2003 Motus Technologies Inc. (http://www.motus.com)
// Copyright (C) 2005 Novell, Inc (http://www.novell.com)
//
#if NET_2_0
using NUnit.Framework;
using System;
using System.Security.Cryptography;
namespace MonoTests.System.Security.Cryptography {
[TestFixture]
public class ProtectedDataTest {
private byte[] notMuchEntropy = new byte[16];
private bool IsEmpty (byte[] array)
{
int total = 0;
for (int i = 0; i < array.Length; i++)
total += array[i];
return (total == 0);
}
private void ProtectUnprotect (byte[] entropy, DataProtectionScope scope)
{
try {
byte[] data = new byte [16];
byte[] encdata = ProtectedData.Protect (data, entropy, scope);
Assert.IsFalse (IsEmpty (encdata), "Protect");
byte[] decdata = ProtectedData.Unprotect (encdata, entropy, scope);
Assert.IsTrue (IsEmpty (decdata), "Unprotect");
}
catch (CryptographicException ce) {
if (ce.InnerException is UnauthorizedAccessException)
Assert.Ignore ("The machine key store hasn't yet been created (as root).");
}
catch (PlatformNotSupportedException) {
Assert.Ignore ("Only supported under Windows 2000 and later");
}
}
[Test]
public void ProtectCurrentUser ()
{
// we're testing the DataProtectionScope definition but
// not if it's really limited to the scope specified
ProtectUnprotect (notMuchEntropy, DataProtectionScope.CurrentUser);
}
[Test]
public void ProtectLocalMachine ()
{
// we're testing the DataProtectionScope definition but
// not if it's really limited to the scope specified
ProtectUnprotect (notMuchEntropy, DataProtectionScope.LocalMachine);
}
[Test]
public void DataProtectionScope_All ()
{
byte[] data = new byte[16];
try {
foreach (DataProtectionScope dps in Enum.GetValues (typeof (DataProtectionScope))) {
byte[] encdata = ProtectedData.Protect (data, notMuchEntropy, dps);
Assert.IsFalse (IsEmpty (encdata), "Protect");
Assert.IsTrue (IsEmpty (data), "Protect(original unmodified)");
byte[] decdata = ProtectedData.Unprotect (encdata, notMuchEntropy, dps);
Assert.IsTrue (IsEmpty (decdata), "Unprotect");
}
}
catch (CryptographicException ce) {
if (ce.InnerException is UnauthorizedAccessException)
Assert.Ignore ("The machine key store hasn't yet been created (as root).");
}
catch (PlatformNotSupportedException) {
Assert.Ignore ("Only supported under Windows 2000 and later");
}
}
[Test]
[ExpectedException (typeof (ArgumentException))]
[Category ("NotDotNet")]
public void Protect_InvalidDataProtectionScope ()
{
try {
byte[] data = new byte[16];
ProtectedData.Protect (data, notMuchEntropy, (DataProtectionScope) Int32.MinValue);
// MS doesn't throw an ArgumentException but returning from
// this method will throw an UnhandledException in NUnit
}
catch (PlatformNotSupportedException) {
Assert.Ignore ("Only supported under Windows 2000 and later");
}
}
[Test]
[ExpectedException (typeof (ArgumentNullException))]
public void ProtectNull ()
{
ProtectedData.Protect (null, notMuchEntropy, DataProtectionScope.CurrentUser);
}
[Test]
public void ProtectNullEntropy ()
{
// we're testing the DataProtectionScope definition but
// not if it's really limited to the scope specified
ProtectUnprotect (null, DataProtectionScope.CurrentUser);
}
[Test]
[ExpectedException (typeof (CryptographicException))]
public void UnprotectNotProtectedData ()
{
try {
byte[] baddata = new byte [16];
ProtectedData.Unprotect (baddata, notMuchEntropy, DataProtectionScope.CurrentUser);
}
catch (PlatformNotSupportedException) {
Assert.Ignore ("Only supported under Windows 2000 and later");
}
}
[Test]
[ExpectedException (typeof (ArgumentException))]
[Category ("NotDotNet")]
public void Unprotect_InvalidDataProtectionScope ()
{
try {
byte[] data = new byte[16];
byte[] encdata = ProtectedData.Protect (data, notMuchEntropy, DataProtectionScope.CurrentUser);
ProtectedData.Unprotect (encdata, notMuchEntropy, (DataProtectionScope) Int32.MinValue);
// MS doesn't throw an ArgumentException but returning from
// this method will throw an UnhandledException in NUnit
}
catch (PlatformNotSupportedException) {
Assert.Ignore ("Only supported under Windows 2000 and later");
}
}
[Test]
[ExpectedException (typeof (ArgumentNullException))]
public void UnprotectNull ()
{
ProtectedData.Unprotect (null, notMuchEntropy, DataProtectionScope.CurrentUser);
}
}
}
#endif
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