public static bool IsKeyShared(this IDataStore dataStore, LogOnIdentity decryptIdentity)
{
if (!dataStore.IsEncrypted())
{
return(false);
}
OpenFileProperties properties = OpenFileProperties.Create(dataStore);
if (properties.IsLegacyV1 || properties.V2AsymetricKeyWrapCount <= 1)
{
return(false);
}
if (decryptIdentity == LogOnIdentity.Empty)
{
return(false);
}
using (Stream stream = dataStore.OpenRead())
{
using (IAxCryptDocument document = New <AxCryptFactory>().CreateDocument(decryptIdentity.DecryptionParameters(), stream))
{
if (!document.PassphraseIsValid)
{
return(false);
}
return(document.AsymmetricRecipients.Select(ar => ar.Email).Distinct().Skip(1).Any());
}
}
}
private static void UpdateListViewItem(ListViewItem item, ActiveFile activeFile)
{
OpenFileProperties openProperties = OpenFileProperties.Create(activeFile.EncryptedFileInfo);
item.SubItems[nameof(ColumnName.EncryptedPath)].Text = activeFile.EncryptedFileInfo.FullName;
item.SubItems[nameof(ColumnName.AccessedDate)].Text = activeFile.Properties.LastActivityTimeUtc.ToLocalTime().ToString(CultureInfo.CurrentCulture);
item.SubItems[nameof(ColumnName.AccessedDate)].Tag = activeFile.Properties.LastActivityTimeUtc;
item.SubItems[nameof(ColumnName.ModifiedDate)].Text = activeFile.EncryptedFileInfo.LastWriteTimeUtc.ToLocalTime().ToString(CultureInfo.CurrentCulture);
item.SubItems[nameof(ColumnName.ModifiedDate)].Tag = activeFile.EncryptedFileInfo.LastWriteTimeUtc;
LogOnIdentity decryptIdentity = ValidateActiveFileIdentity(activeFile.Identity);
UpdateStatusDependentPropertiesOfListViewItem(item, activeFile, activeFile.EncryptedFileInfo.IsKeyShared(decryptIdentity));
try
{
if (activeFile.Properties.CryptoId != Guid.Empty)
{
item.SubItems[nameof(ColumnName.CryptoName)].Text = Resolve.CryptoFactory.Create(activeFile.Properties.CryptoId).Name;
if (activeFile.VisualState.HasFlag(ActiveFileVisualStates.LowEncryption))
{
item.SubItems[nameof(ColumnName.CryptoName)].ForeColor = Styling.WarningColor;
}
}
}
catch (ArgumentException aex)
{
New <IReport>().Exception(aex);
item.SubItems[nameof(ColumnName.CryptoName)].Text = Texts.UnknownCrypto;
}
}
private static void EnsureConsistencyOfDestination(FileLock destinationFileLock)
{
try
{
OpenFileProperties.Create(destinationFileLock.DataStore);
}
catch (Exception ex)
{
HandleException(ex, destinationFileLock.DataStore);
}
}
public static bool IsLegacyV1(this IDataStore dataStore)
{
return(dataStore.IsEncrypted() && OpenFileProperties.Create(dataStore).IsLegacyV1);
}