public static EncrypterStatus Decrypt(string path, string key, bool deleteOnFinish = false, bool shreadOnFinish = false, EncryptProgressDelegate onProgressChange = null)
{
if (File.Exists(path))
{
if (new FileInfo(path).Extension == encryptedExtension)
{
FileInfo file = new FileInfo(path);
string directory = file.DirectoryName;
string zipName = directory + @"\" + Path.GetFileNameWithoutExtension(path) + tempExtension;
EncrypterStatus decryptionResult = CryptFile(path, zipName, key, EncrypterMode.Decrypt, onProgressChange);
if (decryptionResult != EncrypterStatus.OK)
{
Delete(zipName);
return(decryptionResult);
}
if (onProgressChange != null)
{
onProgressChange(0, EncrypterProgressState.extracting);
}
if (ExtractFromZip(zipName, directory) == false)
{
return(EncrypterStatus.unable);
}
if (onProgressChange != null)
{
onProgressChange(0, EncrypterProgressState.cleanup);
}
Delete(zipName);
if (deleteOnFinish)
{
Delete(path);
}
return(decryptionResult);
}
else
{
return(EncrypterStatus.unable);
}
}
else
{
return(EncrypterStatus.doesNotExist);
}
}
private void ShowErrorMessage(EncrypterStatus status)
{
switch (status)
{
case EncrypterStatus.unable:
MessageBox.Show("Unable to complete action.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
break;
case EncrypterStatus.doesNotExist:
MessageBox.Show("The file you are trying to encrypt/decrypt doesn't exist. Aborting.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
break;
case EncrypterStatus.targetExists:
MessageBox.Show("The target destination already exists. Aborting.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
break;
case EncrypterStatus.incorrectKey:
MessageBox.Show("Incorrect password. Aborting.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
break;
default:
break;
}
}
public static EncrypterStatus Encrypt(string path, string key, bool deleteOnFinish = false, bool shreadOnFinish = false, EncryptProgressDelegate onProgressChange = null)
{
if (onProgressChange != null)
{
onProgressChange(0, EncrypterProgressState.compressing);
}
string directory;
string zipName;
string resultingName;
if (File.Exists(path))
{
FileInfo file = new FileInfo(path);
string fileName = Path.GetFileNameWithoutExtension(path);
directory = file.DirectoryName;
zipName = directory + @"\" + fileName + tempExtension;
resultingName = directory + @"\" + fileName + encryptedExtension;
if (File.Exists(zipName))
{
Delete(zipName);
}
if (CreateZipFromFile(path, zipName) == false)
{
return(EncrypterStatus.unable);
}
}
else if (Directory.Exists(path))
{
DirectoryInfo dir = new DirectoryInfo(path);
string fileName = dir.Name;
directory = dir.Parent.FullName;
zipName = directory + @"\" + fileName + tempExtension;
resultingName = directory + @"\" + fileName + encryptedExtension;
if (File.Exists(zipName))
{
Delete(zipName);
}
CreateZipFromDirectory(path, zipName);
}
else
{
return(EncrypterStatus.doesNotExist);
}
EncrypterStatus encryptionResult = CryptFile(zipName, resultingName, key, EncrypterMode.Encrypt, onProgressChange);
if (encryptionResult != EncrypterStatus.OK)
{
Delete(zipName);
return(encryptionResult);
}
if (onProgressChange != null)
{
onProgressChange(0, EncrypterProgressState.cleanup);
}
Delete(zipName);
if (deleteOnFinish)
{
Delete(path);
}
return(encryptionResult);
}
