void TransformFile(ICryptoTransform transform)
{
using(Stream input = new FileStream(txtFilePath.Text, FileMode.Open))
{
using (Stream output = new FileStream(txtFilePath.Text + ".temp", FileMode.CreateNew))
{
StreamCryptoTransformer transformer = new StreamCryptoTransformer();
transformer.TransformStream(input, output, transform);
}
}
File.Delete(txtFilePath.Text);
File.Move(txtFilePath.Text + ".temp", txtFilePath.Text);
}
byte[] GetHMACHashCode()
{
m_macAlgorithm.Key = Encoding.Default.GetBytes(txtMacKey.Text);
byte[] message = Encoding.Default.GetBytes(rtxMessage.Text);
using (Stream inputStream = new MemoryStream(message))
{
using (Stream outputStream = new MemoryStream())
{
StreamCryptoTransformer sct = new StreamCryptoTransformer();
sct.TransformStream(inputStream, outputStream, m_macAlgorithm);
}
}
byte[] result = m_macAlgorithm.Hash;
m_macAlgorithm = new HMACMD5();
return result;
}
