//
public override long Seek(long offset, SeekOrigin origin)
{
throw new NotSupportedException(SR.GetString(SR.net_noseek));
}
private BufferOffsetSize[] EncryptBuffers(BufferOffsetSize[] buffers, byte[] lastHandshakePayload)
{
List <BufferOffsetSize> list = null;
SecurityStatus oK = SecurityStatus.OK;
foreach (BufferOffsetSize size in buffers)
{
int num2;
int count = Math.Min(size.Size, this._SslState.MaxDataSize);
byte[] outBuffer = null;
oK = this._SslState.EncryptData(size.Buffer, size.Offset, count, ref outBuffer, out num2);
if (oK != SecurityStatus.OK)
{
break;
}
if ((count != size.Size) || (list != null))
{
if (list == null)
{
list = new List <BufferOffsetSize>(buffers.Length * ((size.Size / count) + 1));
if (lastHandshakePayload != null)
{
list.Add(new BufferOffsetSize(lastHandshakePayload, false));
}
foreach (BufferOffsetSize size2 in buffers)
{
if (size2 == size)
{
break;
}
list.Add(size2);
}
}
list.Add(new BufferOffsetSize(outBuffer, 0, num2, false));
while ((size.Size -= count) != 0)
{
size.Offset += count;
count = Math.Min(size.Size, this._SslState.MaxDataSize);
oK = this._SslState.EncryptData(size.Buffer, size.Offset, count, ref outBuffer, out num2);
if (oK != SecurityStatus.OK)
{
break;
}
list.Add(new BufferOffsetSize(outBuffer, 0, num2, false));
}
}
else
{
size.Buffer = outBuffer;
size.Offset = 0;
size.Size = num2;
}
if (oK != SecurityStatus.OK)
{
break;
}
}
if (oK != SecurityStatus.OK)
{
ProtocolToken token = new ProtocolToken(null, oK);
throw new IOException(SR.GetString("net_io_encrypt"), token.GetException());
}
if (list != null)
{
buffers = list.ToArray();
return(buffers);
}
if (lastHandshakePayload != null)
{
BufferOffsetSize[] destinationArray = new BufferOffsetSize[buffers.Length + 1];
Array.Copy(buffers, 0, destinationArray, 1, buffers.Length);
destinationArray[0] = new BufferOffsetSize(lastHandshakePayload, false);
buffers = destinationArray;
}
return(buffers);
}