public void ReturnsOldProviderTypeIfXmlIsntValid()
{
var badElement = new XElement("BadElement");
var builder = new CryptoProviderFactoryFromXml(badElement);
var cryptoProvider = builder.Build();
Assert.That(cryptoProvider, Is.TypeOf <LegacyRijndaelCryptographyProvider>());
}
public void BuildsCorrectKdfIterations()
{
var element = BuildValidElement();
var builder = new CryptoProviderFactoryFromXml(element);
var cryptoProvider = builder.Build();
Assert.That(cryptoProvider.KeyDerivationIterations, Is.EqualTo(1234));
}
public void BuildsCorrectCipherMode()
{
var element = BuildValidElement();
var builder = new CryptoProviderFactoryFromXml(element);
var cryptoProvider = builder.Build();
Assert.That(cryptoProvider.CipherMode, Is.EqualTo(BlockCipherModes.EAX));
}
public void BuildsCorrectEncryptionEngine()
{
var element = BuildValidElement();
var builder = new CryptoProviderFactoryFromXml(element);
var cryptoProvider = builder.Build();
Assert.That(cryptoProvider.CipherEngine, Is.EqualTo(BlockCipherEngines.Serpent));
}
public IEnumerable <ICredentialRecord> Harvest(XDocument xDocument, SecureString decryptionKey)
{
if (xDocument == null)
{
throw new ArgumentNullException(nameof(xDocument));
}
var cryptoProvider = new CryptoProviderFactoryFromXml(xDocument.Root).Build();
foreach (var element in xDocument.Descendants("Node"))
{
if (!EntryHasSomeCredentialData(element))
{
continue;
}
var newCredential = BuildCredential(element, cryptoProvider, decryptionKey);
Guid connectionId;
Guid.TryParse(element.Attribute("Id")?.Value, out connectionId);
if (connectionId == Guid.Empty)
{
//error
}
if (ConnectionToCredentialMap.Values.Contains(newCredential, _credentialComparer))
{
var existingCredential =
ConnectionToCredentialMap.Values.First(record =>
_credentialComparer.Equals(newCredential, record));
ConnectionToCredentialMap.Add(connectionId, existingCredential);
}
else
{
ConnectionToCredentialMap.Add(connectionId, newCredential);
}
}
return(ConnectionToCredentialMap.Values.Distinct(_credentialComparer));
}
private string DecryptPasswords(string xml, SecureString key)
{
if (string.IsNullOrEmpty(xml))
{
return(xml);
}
var xdoc = XDocument.Parse(xml);
var cryptoProvider = new CryptoProviderFactoryFromXml(xdoc.Root).Build();
DecryptAuthHeader(xdoc.Root, cryptoProvider, key);
foreach (var credentialElement in xdoc.Descendants())
{
var passwordAttribute = credentialElement.Attribute("Password");
if (passwordAttribute == null)
{
continue;
}
var decryptedPassword = cryptoProvider.Decrypt(passwordAttribute.Value, key);
passwordAttribute.SetValue(decryptedPassword);
}
return(xdoc.ToString());
}
