Binary package “python3-rsa” in ubuntu xenial

Pure-Python RSA implementation (Python 3)

 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 commandline. The code was mostly written by Sybren A. Stüvel.
 .
 This package contains the module for Python 3.