protected ContentEncodingStream(Stream stream, ICryptoTransform transform, byte[] eolPrependBytes, MimeFormat format)
{
if (stream == null)
throw new ArgumentNullException("stream");
if (!stream.CanWrite)
throw new ArgumentException("stream must be writable", "stream");
if (format == null)
throw new ArgumentNullException("format");
var bufferBlockSize = transform.CanTransformMultipleBlocks
? (folding == 0 ? 128 : folding)
: 1;
this.transform = transform;
this.folding = format.Folding;
this.outputBuffer = new byte[bufferBlockSize * transform.OutputBlockSize];
this.inputBuffer = new byte[bufferBlockSize * transform.InputBlockSize];
this.inputCount = 0;
this.stream = stream;
this.eol = format.GetEOLBytes();
this.eolPrependBytes = eolPrependBytes;
}
