/// <summary>
/// Constructs a new checksum generating stream
/// </summary>
/// <param name="signatureOutput">The stream into which signature data is written</param>
/// <param name="inputData">The source data stream</param>
public ChecksumGeneratingStream(System.IO.Stream signatureOutput, System.IO.Stream inputData)
{
if (!signatureOutput.CanWrite)
throw new ArgumentException("signatureOutput");
if (!inputData.CanRead)
throw new ArgumentException("inputData");
m_outstream = new ChecksumFileWriter(signatureOutput);
m_basestream = inputData;
m_checksumBuffer = new byte[m_outstream.BlockLength];
m_checksumBufferIndex = 0;
}
public override void Flush()
{
if (m_basestream != null)
{
m_basestream.Dispose();
if (m_checksumBufferIndex != 0)
m_outstream.AddChunk(m_checksumBuffer, 0, m_checksumBufferIndex);
}
m_outstream = null;
m_basestream = null;
}