buildroot/package/python-rsa/Config.in

config BR2_PACKAGE_PYTHON_RSA
	bool "python-rsa"
	select BR2_PACKAGE_PYTHON_PYASN1 # runtime
	help
	  Python-RSA is a pure-Python RSA implementation. It supports
	  encryption and decryption, signing and verifying signatures,
	  and key generation according to PKCS\#1 version 1.5. It can
	  be used as a Python library as well as on the command line.

	  https://stuvel.eu/rsa