public void ReadAndWriteToEncryptedConfiguration()
{
const string sectionName = "MyEncryptedConfig";
KeyAlgorithmPair keyAlgorithmPair = new KeyAlgorithmPair();
keyAlgorithmPair.Key = new SymmetricAlgorithmKeyCreator(typeof(RijndaelManaged).AssemblyQualifiedName).GenerateKey();
keyAlgorithmPair.AlgorithmTypeName = typeof(RijndaelManaged).AssemblyQualifiedName;
FileKeyAlgorithmPairStorageProvider provider = new FileKeyAlgorithmPairStorageProvider();
provider.ConfigurationName = "FileKeyAlgorithmPairStorageProviderData";
using (ConfigurationBuilder builder = new ConfigurationBuilder())
{
// change wher the file is
RuntimeConfigurationView view = new RuntimeConfigurationView(new ConfigurationContext(new NonDisposingWrapper(builder)));
FileKeyAlgorithmPairStorageProviderData fileData = (FileKeyAlgorithmPairStorageProviderData)view.GetKeyAlgorithmPairStorageProviderData();
fileData.Path = Path.GetTempFileName();
provider.Initialize(view);
provider.Save(keyAlgorithmPair);
builder.WriteConfiguration(sectionName, data);
MockConfigurationData myData = (MockConfigurationData)builder.ReadConfiguration(sectionName);
Assert.AreEqual(myData.ToString(), data.ToString());
builder.ClearSectionCache();
myData = (MockConfigurationData)builder.ReadConfiguration(sectionName);
Assert.AreEqual(myData.ToString(), data.ToString());
}
}
private void SaveKeyAlgorithmPair(string xmlToUse)
{
using (ConfigurationContext context = CreateConfigurationContext(xmlToUse))
{
FileKeyAlgorithmPairStorageProvider provider = new FileKeyAlgorithmPairStorageProvider();
provider.Initialize(new RuntimeConfigurationView(context));
provider.Save(DefaultKey);
}
}
private void LoadKeyAlgorithmPair()
{
FileKeyAlgorithmPairStorageProvider provider = GetCurrentProvider();
if (provider.Load() == null)
{
throw new NullReferenceException();
}
}
private bool SaveKeyAlgorithmPairWithNewDapiSettings(DpapiSettings newDpapiSettings, DpapiSettings originalDpapiSettings)
{
ConfigurationContext context = GetContext();
ConfigurationSettings settings = context.GetMetaConfiguration();
FileKeyAlgorithmPairStorageProvider loadProvider = new FileKeyAlgorithmPairStorageProvider();
FileKeyAlgorithmPairStorageProviderData loadData = new FileKeyAlgorithmPairStorageProviderData(
SR.DefaultFileKeyAlgorithmStorageProviderNodeName, currentNode.File, GetDpapiSettingsData(originalDpapiSettings));
settings.KeyAlgorithmPairStorageProviderData = loadData;
loadProvider.ConfigurationName = loadData.Name;
loadProvider.Initialize(new RuntimeConfigurationView(context));
FileKeyAlgorithmPairStorageProvider saveProvider = new FileKeyAlgorithmPairStorageProvider();
FileKeyAlgorithmPairStorageProviderData saveData = new FileKeyAlgorithmPairStorageProviderData(
SR.DefaultFileKeyAlgorithmStorageProviderNodeName, currentNode.File, GetDpapiSettingsData(newDpapiSettings));
settings.KeyAlgorithmPairStorageProviderData = saveData;
saveProvider.ConfigurationName = saveData.Name;
saveProvider.Initialize(new RuntimeConfigurationView(context));
try
{
KeyAlgorithmPair key = loadProvider.Load();
saveProvider.Save(key);
}
catch (Exception ex)
{
MessageBox.Show(
SR.FileKeyAlgorithmDpapiSettingsEditorUnableToSaveNewDpapiSettingsErrorMessage(ex.Message),
SR.FileKeyAlgorithmDpapiSettingsEditorUnableToSaveNewDpapiSettingsCaption,
MessageBoxButtons.OK,
MessageBoxIcon.Error
);
return(false);
}
return(true);
}
private FileKeyAlgorithmPairStorageProvider GetCurrentProvider()
{
ConfigurationContext context = GetContext();
FileKeyAlgorithmPairStorageProvider provider = new FileKeyAlgorithmPairStorageProvider();
FileKeyAlgorithmPairStorageProviderData data = new FileKeyAlgorithmPairStorageProviderData();
if (this.dpapiSettings != null)
{
data.DpapiSettings = new DpapiSettingsData(this.dpapiSettings.Entropy, this.dpapiSettings.Mode);
}
data.Path = this.path;
data.Name = SR.DefaultFileKeyAlgorithmStorageProviderNodeName;
ConfigurationSettings settings = context.GetMetaConfiguration();
settings.KeyAlgorithmPairStorageProviderData = data;
provider.ConfigurationName = data.Name;
provider.Initialize(new RuntimeConfigurationView(context));
return(provider);
}
private void SaveAndLoad(RuntimeConfigurationView configurationView)
{
FileKeyAlgorithmPairStorageProvider provider = new FileKeyAlgorithmPairStorageProvider();
provider.Initialize(configurationView);
provider.Save(DefaultKey);
KeyAlgorithmPair key = provider.Load();
Assert.IsNotNull(key);
Assert.AreEqual(DefaultKey.AlgorithmTypeName, key.AlgorithmTypeName);
Assert.IsTrue(CryptographyUtility.CompareBytes(DefaultKey.Key, key.Key));
FileKeyAlgorithmPairStorageProviderData data = (FileKeyAlgorithmPairStorageProviderData)configurationView.GetKeyAlgorithmPairStorageProviderData();
// If protected, ensure it's protected properly
if (null != data.DpapiSettings)
{
using (FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read))
{
BinaryFormatter formatter = new BinaryFormatter();
bool deserialized = true;
try
{
KeyAlgorithmPair deserializedKey = (KeyAlgorithmPair)formatter.Deserialize(fs);
Assert.IsNotNull(deserializedKey);
}
catch
{
deserialized = false;
}
// Shouldn't deserialize if it's DPAPI protected
Assert.IsFalse(deserialized);
}
}
}
private void SaveAndLoad(RuntimeConfigurationView configurationView)
{
FileKeyAlgorithmPairStorageProvider provider = new FileKeyAlgorithmPairStorageProvider();
provider.Initialize(configurationView);
provider.Save(DefaultKey);
KeyAlgorithmPair key = provider.Load();
Assert.IsNotNull(key);
Assert.AreEqual(DefaultKey.AlgorithmTypeName, key.AlgorithmTypeName);
Assert.IsTrue(CryptographyUtility.CompareBytes(DefaultKey.Key, key.Key));
FileKeyAlgorithmPairStorageProviderData data = (FileKeyAlgorithmPairStorageProviderData)configurationView.GetKeyAlgorithmPairStorageProviderData();
// If protected, ensure it's protected properly
if (null != data.DpapiSettings)
{
using (FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read))
{
BinaryFormatter formatter = new BinaryFormatter();
bool deserialized = true;
try
{
KeyAlgorithmPair deserializedKey = (KeyAlgorithmPair)formatter.Deserialize(fs);
Assert.IsNotNull(deserializedKey);
}
catch
{
deserialized = false;
}
// Shouldn't deserialize if it's DPAPI protected
Assert.IsFalse(deserialized);
}
}
}
private void SaveKeyAlgorithmPair()
{
FileKeyAlgorithmPairStorageProvider provider = GetCurrentProvider();
provider.Save(this.keyAlgorithmPair);
}
