public static void TestLargeEncryptDecrypt()
{
string sourceFullName = _davidCopperfieldTxtPath;
IRuntimeFileInfo sourceRuntimeFileInfo = OS.Current.FileInfo(sourceFullName);
IRuntimeFileInfo destinationRuntimeFileInfo = sourceRuntimeFileInfo.CreateEncryptedName();
Passphrase passphrase = new Passphrase("laDabled@tAmeopot33");
AxCryptFile.Encrypt(sourceRuntimeFileInfo, destinationRuntimeFileInfo, passphrase, AxCryptOptions.SetFileTimes | AxCryptOptions.EncryptWithCompression, new ProgressContext());
Assert.That(destinationRuntimeFileInfo.CreationTimeUtc, Is.EqualTo(sourceRuntimeFileInfo.CreationTimeUtc), "We're expecting file times to be set as the original from the headers.");
Assert.That(destinationRuntimeFileInfo.LastAccessTimeUtc, Is.EqualTo(sourceRuntimeFileInfo.LastAccessTimeUtc), "We're expecting file times to be set as the original from the headers.");
Assert.That(destinationRuntimeFileInfo.LastWriteTimeUtc, Is.EqualTo(sourceRuntimeFileInfo.LastWriteTimeUtc), "We're expecting file times to be set as the original from the headers.");
DirectoryInfo decryptedDirectoryInfo = new DirectoryInfo(_rootPath.PathCombine("Destination", "Decrypted.txt"));
string decryptedFullName = Path.Combine(decryptedDirectoryInfo.FullName, "David Copperfield.txt");
IRuntimeFileInfo decryptedRuntimeFileInfo = OS.Current.FileInfo(decryptedFullName);
AxCryptFile.Decrypt(destinationRuntimeFileInfo, decryptedRuntimeFileInfo, passphrase.DerivedPassphrase, AxCryptOptions.SetFileTimes, new ProgressContext());
Assert.That(decryptedRuntimeFileInfo.CreationTimeUtc, Is.EqualTo(sourceRuntimeFileInfo.CreationTimeUtc), "We're expecting file times to be set as the original from the headers.");
Assert.That(decryptedRuntimeFileInfo.LastAccessTimeUtc, Is.EqualTo(sourceRuntimeFileInfo.LastAccessTimeUtc), "We're expecting file times to be set as the original from the headers.");
Assert.That(decryptedRuntimeFileInfo.LastWriteTimeUtc, Is.EqualTo(sourceRuntimeFileInfo.LastWriteTimeUtc), "We're expecting file times to be set as the original from the headers.");
using (StreamReader sourceStreamReader = new StreamReader(sourceRuntimeFileInfo.OpenRead(), Encoding.GetEncoding("Windows-1252")))
{
using (StreamReader decryptedStreamReader = new StreamReader(decryptedRuntimeFileInfo.OpenRead(), Encoding.GetEncoding("Windows-1252")))
{
string source = sourceStreamReader.ReadToEnd();
string decrypted = decryptedStreamReader.ReadToEnd();
Assert.That(decrypted, Is.EqualTo(source), "Comparing original plain text with the decrypted encrypted plain text.");
}
}
}
public static void TestSmallEncryptDecrypt()
{
IRuntimeFileInfo sourceFileInfo = OS.Current.FileInfo(_testTextPath);
IRuntimeFileInfo destinationFileInfo = sourceFileInfo.CreateEncryptedName();
Assert.That(destinationFileInfo.Name, Is.EqualTo("test-txt.axx"), "Wrong encrypted file name based on the plain text file name.");
AxCryptFile.Encrypt(sourceFileInfo, destinationFileInfo, new Passphrase("axcrypt"), AxCryptOptions.EncryptWithCompression, new ProgressContext());
using (AxCryptDocument document = AxCryptFile.Document(destinationFileInfo, new Passphrase("axcrypt").DerivedPassphrase, new ProgressContext()))
{
Assert.That(document.PassphraseIsValid, Is.True, "The passphrase should be ok.");
Assert.That(document.DocumentHeaders.FileName, Is.EqualTo("test.txt"), "Unexpected file name in headers.");
Assert.That(document.DocumentHeaders.CreationTimeUtc, Is.EqualTo(FakeRuntimeFileInfo.TestDate1Utc));
Assert.That(document.DocumentHeaders.LastAccessTimeUtc, Is.EqualTo(FakeRuntimeFileInfo.TestDate2Utc));
Assert.That(document.DocumentHeaders.LastWriteTimeUtc, Is.EqualTo(FakeRuntimeFileInfo.TestDate3Utc));
IRuntimeFileInfo decryptedFileInfo = OS.Current.FileInfo(Path.Combine(_rootPath, "decrypted test.txt"));
AxCryptFile.Decrypt(document, decryptedFileInfo, AxCryptOptions.SetFileTimes, new ProgressContext());
using (Stream decryptedStream = decryptedFileInfo.OpenRead())
{
string decrypted = new StreamReader(decryptedStream, Encoding.UTF8).ReadToEnd();
Assert.That(decrypted, Is.EqualTo("This is a short file"));
}
Assert.That(decryptedFileInfo.CreationTimeUtc, Is.EqualTo(document.DocumentHeaders.CreationTimeUtc), "We're expecting file times to be set as the original from the headers.");
Assert.That(decryptedFileInfo.LastAccessTimeUtc, Is.EqualTo(document.DocumentHeaders.LastAccessTimeUtc), "We're expecting file times to be set as the original from the headers.");
Assert.That(decryptedFileInfo.LastWriteTimeUtc, Is.EqualTo(document.DocumentHeaders.LastWriteTimeUtc), "We're expecting file times to be set as the original from the headers.");
}
}
public static void TestDecryptToDestinationDirectoryWithWrongPassphrase()
{
IRuntimeFileInfo sourceFileInfo = OS.Current.FileInfo(_helloWorldAxxPath);
string destinationDirectory = Path.Combine(_rootPath, "Encrypted");
string destinationFileName = AxCryptFile.Decrypt(sourceFileInfo, destinationDirectory, new Passphrase("Wrong Passphrase").DerivedPassphrase, AxCryptOptions.None, new ProgressContext());
Assert.That(destinationFileName, Is.Null, "When the wrong passphrase is given, the returned file name should be null to signal this.");
}
public static void TestDecryptToDestinationDirectory()
{
IRuntimeFileInfo sourceFileInfo = OS.Current.FileInfo(_helloWorldAxxPath);
string destinationDirectory = Path.Combine(_rootPath, "Encrypted");
string destinationFileName = AxCryptFile.Decrypt(sourceFileInfo, destinationDirectory, new Passphrase("a").DerivedPassphrase, AxCryptOptions.None, new ProgressContext());
Assert.That(destinationFileName, Is.EqualTo("HelloWorld-Key-a.txt"), "The correct filename should be returned from decryption.");
}
static bool TryDecrypt(IRuntimeFileInfo file, string filePath, AesKey key, ProgressContext progress, out string encryptedFileName)
{
encryptedFileName = AxCryptFile.Decrypt(file, filePath, key, AxCryptOptions.EncryptWithCompression, progress);
if (encryptedFileName == null)
{
return(false);
}
return(true);
}
public static void TestInvalidArguments()
{
IRuntimeFileInfo sourceFileInfo = OS.Current.FileInfo(_testTextPath);
IRuntimeFileInfo destinationFileInfo = sourceFileInfo.CreateEncryptedName();
AxCryptDocument document = new AxCryptDocument();
IRuntimeFileInfo decryptedFileInfo = OS.Current.FileInfo(Path.Combine(_rootPath, "decrypted test.txt"));
AxCryptDocument nullDocument = null;
IRuntimeFileInfo nullFileInfo = null;
AesKey nullKey = null;
ProgressContext nullProgress = null;
Passphrase nullPassphrase = null;
Stream nullStream = null;
string nullString = null;
Action <Stream> nullStreamAction = null;
Assert.Throws <ArgumentNullException>(() => { AxCryptFile.Encrypt(nullFileInfo, destinationFileInfo, new Passphrase("axcrypt"), AxCryptOptions.EncryptWithCompression, new ProgressContext()); });
Assert.Throws <ArgumentNullException>(() => { AxCryptFile.Encrypt(sourceFileInfo, nullFileInfo, new Passphrase("axcrypt"), AxCryptOptions.EncryptWithCompression, new ProgressContext()); });
Assert.Throws <ArgumentNullException>(() => { AxCryptFile.Encrypt(sourceFileInfo, destinationFileInfo, nullPassphrase, AxCryptOptions.EncryptWithCompression, new ProgressContext()); });
Assert.Throws <ArgumentNullException>(() => { AxCryptFile.Encrypt(sourceFileInfo, destinationFileInfo, new Passphrase("axcrypt"), AxCryptOptions.EncryptWithCompression, nullProgress); });
Assert.Throws <ArgumentNullException>(() => { AxCryptFile.Encrypt(nullFileInfo, new MemoryStream(), new AesKey(), AxCryptOptions.None, new ProgressContext()); });
Assert.Throws <ArgumentNullException>(() => { AxCryptFile.Encrypt(sourceFileInfo, nullStream, new AesKey(), AxCryptOptions.None, new ProgressContext()); });
Assert.Throws <ArgumentNullException>(() => { AxCryptFile.Encrypt(sourceFileInfo, new MemoryStream(), nullKey, AxCryptOptions.None, new ProgressContext()); });
Assert.Throws <ArgumentNullException>(() => { AxCryptFile.Encrypt(sourceFileInfo, new MemoryStream(), new AesKey(), AxCryptOptions.None, nullProgress); });
Assert.Throws <ArgumentNullException>(() => { AxCryptFile.Decrypt(nullDocument, decryptedFileInfo, AxCryptOptions.SetFileTimes, new ProgressContext()); });
Assert.Throws <ArgumentNullException>(() => { AxCryptFile.Decrypt(document, nullFileInfo, AxCryptOptions.SetFileTimes, new ProgressContext()); });
Assert.Throws <ArgumentNullException>(() => { AxCryptFile.Decrypt(document, decryptedFileInfo, AxCryptOptions.SetFileTimes, nullProgress); });
Assert.Throws <ArgumentNullException>(() => { AxCryptFile.Decrypt(nullFileInfo, decryptedFileInfo, new AesKey(), AxCryptOptions.SetFileTimes, new ProgressContext()); });
Assert.Throws <ArgumentNullException>(() => { AxCryptFile.Decrypt(sourceFileInfo, nullFileInfo, new AesKey(), AxCryptOptions.SetFileTimes, new ProgressContext()); });
Assert.Throws <ArgumentNullException>(() => { AxCryptFile.Decrypt(sourceFileInfo, decryptedFileInfo, nullKey, AxCryptOptions.SetFileTimes, new ProgressContext()); });
Assert.Throws <ArgumentNullException>(() => { AxCryptFile.Decrypt(sourceFileInfo, decryptedFileInfo, new AesKey(), AxCryptOptions.SetFileTimes, nullProgress); });
Assert.Throws <ArgumentNullException>(() => { AxCryptFile.Decrypt(nullFileInfo, Path.Combine(_rootPath, "Directory"), new AesKey(), AxCryptOptions.SetFileTimes, new ProgressContext()); });
Assert.Throws <ArgumentNullException>(() => { AxCryptFile.Decrypt(sourceFileInfo, nullString, new AesKey(), AxCryptOptions.SetFileTimes, new ProgressContext()); });
Assert.Throws <ArgumentNullException>(() => { AxCryptFile.Decrypt(sourceFileInfo, Path.Combine(_rootPath, "Directory"), nullKey, AxCryptOptions.SetFileTimes, new ProgressContext()); });
Assert.Throws <ArgumentNullException>(() => { AxCryptFile.Decrypt(sourceFileInfo, Path.Combine(_rootPath, "Directory"), new AesKey(), AxCryptOptions.SetFileTimes, nullProgress); });
Assert.Throws <ArgumentNullException>(() => { AxCryptFile.Document(nullFileInfo, new AesKey(), new ProgressContext()); });
Assert.Throws <ArgumentNullException>(() => { AxCryptFile.Document(sourceFileInfo, nullKey, new ProgressContext()); });
Assert.Throws <ArgumentNullException>(() => { AxCryptFile.Document(sourceFileInfo, new AesKey(), nullProgress); });
Assert.Throws <ArgumentNullException>(() => { AxCryptFile.WriteToFileWithBackup(null, (Stream stream) => { }, new ProgressContext()); });
IRuntimeFileInfo fileInfo = OS.Current.FileInfo(_testTextPath);
Assert.Throws <ArgumentNullException>(() => { AxCryptFile.WriteToFileWithBackup(fileInfo, nullStreamAction, new ProgressContext()); });
Assert.Throws <ArgumentNullException>(() => { AxCryptFile.MakeAxCryptFileName(nullFileInfo); });
Assert.Throws <ArgumentNullException>(() => { AxCryptFile.Wipe(nullFileInfo, new ProgressContext()); });
}
public static void TestInvalidPassphrase()
{
IRuntimeFileInfo sourceFileInfo = OS.Current.FileInfo(_testTextPath);
IRuntimeFileInfo encryptedFileInfo = sourceFileInfo.CreateEncryptedName();
Assert.That(encryptedFileInfo.Name, Is.EqualTo("test-txt.axx"), "Wrong encrypted file name based on the plain text file name.");
AxCryptFile.Encrypt(sourceFileInfo, encryptedFileInfo, new Passphrase("axcrypt"), AxCryptOptions.EncryptWithCompression, new ProgressContext());
IRuntimeFileInfo decryptedFileInfo = OS.Current.FileInfo(Path.Combine(_rootPath, "decrypted.txt"));
bool isPassphraseOk = AxCryptFile.Decrypt(encryptedFileInfo, decryptedFileInfo, new Passphrase("wrong").DerivedPassphrase, AxCryptOptions.None, new ProgressContext());
Assert.That(isPassphraseOk, Is.False, "The passphrase is wrong and should be wrong!");
}
public static void TestCheckActiveFilesUpdateButWithTargetLockedForSharing()
{
DateTime utcNow = OS.Current.UtcNow;
FakeRuntimeFileInfo.AddFile(_encryptedFile1, utcNow, utcNow, utcNow, FakeRuntimeFileInfo.ExpandableMemoryStream(Resources.helloworld_key_a_txt));
Passphrase passphrase = new Passphrase("a");
AxCryptFile.Decrypt(OS.Current.FileInfo(_encryptedFile1), OS.Current.FileInfo(_decryptedFile1), passphrase.DerivedPassphrase, AxCryptOptions.None, new ProgressContext());
ActiveFile activeFile = new ActiveFile(OS.Current.FileInfo(_encryptedFile1), OS.Current.FileInfo(_decryptedFile1), passphrase.DerivedPassphrase, ActiveFileStatus.AssumedOpenAndDecrypted, null);
_fileSystemState.Add(activeFile);
IRuntimeFileInfo decryptedFileInfo = OS.Current.FileInfo(_decryptedFile1);
decryptedFileInfo.SetFileTimes(utcNow.AddSeconds(30), utcNow.AddSeconds(30), utcNow.AddSeconds(30));
SetupAssembly.FakeRuntimeEnvironment.TimeFunction = (() => { return(utcNow.AddMinutes(1)); });
bool changedWasRaised = false;
_fileSystemState.Changed += ((object sender, ActiveFileChangedEventArgs e) =>
{
changedWasRaised = true;
});
_fileSystemState.KnownKeys.Add(passphrase.DerivedPassphrase);
EventHandler eventHandler = ((object sender, EventArgs e) =>
{
FakeRuntimeFileInfo fileInfo = (FakeRuntimeFileInfo)sender;
if (fileInfo.FullName == _decryptedFile1)
{
throw new IOException("Faked sharing violation.");
}
});
FakeRuntimeFileInfo.OpeningForRead += eventHandler;
try
{
_fileSystemState.CheckActiveFiles(ChangedEventMode.RaiseOnlyOnModified, new ProgressContext());
}
finally
{
FakeRuntimeFileInfo.OpeningForRead -= eventHandler;
}
Assert.That(changedWasRaised, Is.True, "The ActiveFile should be modified because it should now be marked as not shareable.");
activeFile = _fileSystemState.FindEncryptedPath(_encryptedFile1);
Assert.That(activeFile.Status.HasMask(ActiveFileStatus.NotShareable), Is.True, "The ActiveFile should be marked as not shareable after the checking of active files.");
}
public static void TestUncompressedEncryptedDecryptAxCrypt17()
{
IRuntimeFileInfo sourceRuntimeFileInfo = OS.Current.FileInfo(_uncompressedAxxPath);
IRuntimeFileInfo destinationRuntimeFileInfo = OS.Current.FileInfo(Path.Combine(Path.GetDirectoryName(_uncompressedAxxPath), "Uncompressed.zip"));
Passphrase passphrase = new Passphrase("Uncompressable");
using (AxCryptDocument document = new AxCryptDocument())
{
bool isOk = document.Load(sourceRuntimeFileInfo.OpenRead(), passphrase.DerivedPassphrase);
Assert.That(isOk, Is.True, "The document should load ok.");
AxCryptFile.Decrypt(document, destinationRuntimeFileInfo, AxCryptOptions.None, new ProgressContext());
Assert.That(document.DocumentHeaders.UncompressedLength, Is.EqualTo(0), "Since the data is not compressed, there should not be a CompressionInfo, but in 1.x there is, with value zero.");
}
}
private bool DecryptFileOperation()
{
_progress.NotifyLevelStart();
try
{
AxCryptFile.Decrypt(_eventArgs.AxCryptDocument, OS.Current.FileInfo(_eventArgs.SaveFileFullName), AxCryptOptions.SetFileTimes, _progress);
}
finally
{
_eventArgs.AxCryptDocument.Dispose();
_eventArgs.AxCryptDocument = null;
}
AxCryptFile.Wipe(OS.Current.FileInfo(_eventArgs.OpenFileFullName), _progress);
_progress.NotifyLevelFinished();
_eventArgs.Status = FileOperationStatus.Success;
return(true);
}
private static ActiveFile DecryptActiveFileDocument(IRuntimeFileInfo sourceFileInfo, IRuntimeFileInfo destinationFolderInfo, AxCryptDocument document, ProgressContext progress)
{
string destinationName = document.DocumentHeaders.FileName;
string destinationPath = Path.Combine(destinationFolderInfo.FullName, destinationName);
IRuntimeFileInfo destinationFileInfo = OS.Current.FileInfo(destinationPath);
using (FileLock fileLock = FileLock.Lock(destinationFileInfo))
{
AxCryptFile.Decrypt(document, destinationFileInfo, AxCryptOptions.SetFileTimes, progress);
}
ActiveFile destinationActiveFile = new ActiveFile(sourceFileInfo, destinationFileInfo, document.DocumentHeaders.KeyEncryptingKey, ActiveFileStatus.AssumedOpenAndDecrypted | ActiveFileStatus.IgnoreChange, null);
if (OS.Log.IsInfoEnabled)
{
OS.Log.LogInfo("File decrypted from '{0}' to '{1}'".InvariantFormat(sourceFileInfo.FullName, destinationActiveFile.DecryptedFileInfo.FullName));
}
return(destinationActiveFile);
}
public static void TestCheckActiveFilesKeyIsNotSetWithoutKnownKey()
{
DateTime utcNow = OS.Current.UtcNow;
FakeRuntimeFileInfo.AddFile(_encryptedFile1, utcNow, utcNow, utcNow, FakeRuntimeFileInfo.ExpandableMemoryStream(Resources.helloworld_key_a_txt));
Passphrase passphrase = new Passphrase("a");
AxCryptFile.Decrypt(OS.Current.FileInfo(_encryptedFile1), OS.Current.FileInfo(_decryptedFile1), passphrase.DerivedPassphrase, AxCryptOptions.None, new ProgressContext());
ActiveFile activeFile = new ActiveFile(OS.Current.FileInfo(_encryptedFile1), OS.Current.FileInfo(_decryptedFile1), passphrase.DerivedPassphrase, ActiveFileStatus.AssumedOpenAndDecrypted, null);
_fileSystemState.Add(activeFile);
_fileSystemState.Save();
_fileSystemState.Dispose();
_fileSystemState = new FileSystemState();
_fileSystemState.Load(OS.Current.FileInfo(_fileSystemStateFilePath));
IRuntimeFileInfo decryptedFileInfo = OS.Current.FileInfo(_decryptedFile1);
decryptedFileInfo.SetFileTimes(utcNow.AddSeconds(30), utcNow.AddSeconds(30), utcNow.AddSeconds(30));
SetupAssembly.FakeRuntimeEnvironment.TimeFunction = (() => { return(utcNow.AddMinutes(1)); });
bool changedWasRaised = false;
_fileSystemState.Changed += ((object sender, ActiveFileChangedEventArgs e) =>
{
changedWasRaised = true;
});
activeFile = _fileSystemState.FindEncryptedPath(_encryptedFile1);
Assert.That(activeFile.Key, Is.Null, "The key should be null after loading of new FileSystemState");
_fileSystemState.CheckActiveFiles(ChangedEventMode.RaiseOnlyOnModified, new ProgressContext());
Assert.That(changedWasRaised, Is.False, "The ActiveFile should be not be modified because the file was modified as well and thus cannot be deleted.");
activeFile = _fileSystemState.FindEncryptedPath(_encryptedFile1);
Assert.That(activeFile.Key, Is.Null, "The key should still be null after the checking of active files.");
Assert.That(activeFile.Status.HasMask(ActiveFileStatus.AssumedOpenAndDecrypted), Is.True, "The file should still be there.");
Assert.That(activeFile.ThumbprintMatch(passphrase.DerivedPassphrase), Is.True, "The active file should still be known to be decryptable with the original passphrase.");
}
void Work(object sender, ThreadWorkerEventArgs args)
{
using (NSAutoreleasePool pool = new NSAutoreleasePool()) {
string targetDirectory = Path.GetTempPath();
string extractedFileName = AxCryptFile.Decrypt(
this.sourceFile,
targetDirectory,
this.key,
AxCryptOptions.None,
this.context);
if (extractedFileName == null)
{
args.Result = FileOperationStatus.Canceled;
return;
}
this.targetFilePath = Path.Combine(targetDirectory, extractedFileName);
args.Result = FileOperationStatus.Success;
}
}
public static void TestDecryptWithCancel()
{
IRuntimeFileInfo sourceFileInfo = OS.Current.FileInfo(_helloWorldAxxPath);
using (AxCryptDocument document = new AxCryptDocument())
{
Passphrase passphrase = new Passphrase("a");
using (Stream sourceStream = sourceFileInfo.OpenRead())
{
bool keyIsOk = document.Load(sourceStream, passphrase.DerivedPassphrase);
Assert.That(keyIsOk, Is.True, "The passphrase provided is correct!");
IRuntimeFileInfo destinationInfo = OS.Current.FileInfo(_rootPath.PathCombine("Destination", "Decrypted.txt"));
ProgressContext progress = new ProgressContext(TimeSpan.Zero);
progress.Progressing += (object sender, ProgressEventArgs e) =>
{
throw new OperationCanceledException();
};
Assert.Throws <OperationCanceledException>(() => { AxCryptFile.Decrypt(document, destinationInfo, AxCryptOptions.None, progress); });
}
}
}
