Bug#1022836: RFP: python3-gensafeprime -- generate primes with openssl

[Jeffrey Cliff <jeffrey.cliff@gmail.com>]

Package: wnpp
Severity: wishlist
* Package name    :  python3-gensafeprime
  Upstream Author :   Erik Tews
* URL             : https://git.freecumextremist.com/themusicgod1/gensafeprime
* License         : MIT
  Programming Lang: python
  Description     :  This module generates safe prime numbers using
the OpenSSL library

A number p is a safe prime number, if p is a prime number, and p =
2*q+1, and q is a prime number too. These numbers are sometimes used
in cryptography.

python3-gensafeprime is a dependency of py_ipv8 ( #1019898 )