django-oidc-provider/oidc_provider/management/commands/creatersakey.py

from Cryptodome.PublicKey import RSA
from django.core.management.base import BaseCommand
from oidc_provider.models import RSAKey


class Command(BaseCommand):
    help = 'Randomly generate a new RSA key for the OpenID server'

    def handle(self, *args, **options):
        try:
            key = RSA.generate(2048)
            rsakey = RSAKey(key=key.exportKey('PEM').decode('utf8'))
            rsakey.save()
            self.stdout.write(u'RSA key successfully created with kid: {0}'.format(rsakey.kid))
        except Exception as e:
            self.stdout.write('Something goes wrong: {0}'.format(e))