code: public byte[] readSequenceData(int length) throws AsnException, IOException {
  
  		AsnInputStream ais = this.readSequenceStreamData(length);
  		byte[] res = new byte[ais.length];
  		System.arraycopy(ais.buffer, ais.start + ais.pos, res, 0, ais.length);
  		return res;
  	}
docs: This method can be invoked after the sequence tag and length has been
  read. Returns the byte stream that contains the sequence data. The origin
  stream advances to the begin of the next record
  
  @param length
  The sequence length
  @return
  @throws AsnException
  @throws IOException