private void btnRunDecrypt_Click(object sender, EventArgs e)
{
//break when paths are missing:
if (txtKeyfilePath.Text == null && txtDecryptFilePath.Text == null)
{
return;
}
//continue when paths are given.
//load the key file and file to decrypt:
rwBinaryFile rwB = new rwBinaryFile();
byte[] keyFileData = rwB.readBinaryFile(txtKeyfilePath.Text.ToString());
UInt32[] sourceFileToDecrypt = rwB.readEncryptedFile(txtDecryptFilePath.Text.ToString());
//now decrypt the file:
FileCrypt FC = new FileCrypt();
byte[] originalData = FC.decryptFile(keyFileData, sourceFileToDecrypt);
//create filepath with correct extention:
string FileExtention = rwB.getEncryptedFileExtention(txtDecryptFilePath.Text);
string saveFilepath = saveFileToPath("Data Files (*." + FileExtention + ")|*." + FileExtention, FileExtention);
//now write the data like an original file:
rwB.writeBinaryFile(saveFilepath, originalData);
}
//backgroundworker ID3:
private void Bw3_DoWork(object sender, DoWorkEventArgs e)
{
byte[] _sourceFileToEncrypt = (byte[])e.Argument; //retrieve needed data as argument.
FileCrypt FC = new FileCrypt();
UInt32[] encryptedData = FC.encryptFile(keyFileData, _sourceFileToEncrypt, bw3);
//send data to RunWorkerCompleted:
e.Result = encryptedData;
}