buildroot/package/python-crc16/Config.in

config BR2_PACKAGE_PYTHON_CRC16
	bool "python-crc16"
	help
	  This library calculates only CRC16 (16-bit codes) and the
	  only supported variant at the moment is CRC-CCITT (XModem).
	  CRC is a way of detecting accidental changes in data storage
	  or transmission. There are many variants of CRC and CRC16,
	  in particular.

	  https://code.google.com/archive/p/pycrc16/