private void WriteCrc(int offset)
{
_stream.BaseStream.Position = offset + IntegerByteSize;
var crc = Crc32Provider.ComputeHash(_stream.BaseStream.ToEnumerable());
_stream.BaseStream.Position = offset;
_stream.Write(crc);
}
public uint Crc()
{
var currentPosition = BaseStream.Position;
try {
BaseStream.Position = 0;
return(Crc32Provider.Compute(ReadToEnd()));
} finally {
BaseStream.Position = currentPosition;
}
}
public byte[] CrcHash(int?size = null)
{
var currentPosition = BaseStream.Position;
try {
if (size.HasValue)
{
return(Crc32Provider.ComputeHash(RawRead(size.Value)));
}
else
{
BaseStream.Position = 0;
return(Crc32Provider.ComputeHash(ReadToEnd()));
}
} finally {
BaseStream.Position = currentPosition;
}
}