Add a command for creating rsa key.

oidc_provider/management/commands/creatersakey.py

@@ -0,0 +1,18 @@
+from Crypto.PublicKey import RSA
+
+from django.conf import settings
+from django.core.management.base import BaseCommand, CommandError
+
+
+class Command(BaseCommand):
+    help = 'Randomly generate a new RSA key for the OpenID server'
+
+    def handle(self, *args, **options):
+        try:
+            key = RSA.generate(1024)
+            file_path = settings.BASE_DIR + '/OIDC_RSA_KEY.pem'
+            with open(file_path, 'w') as f:
+                f.write(key.exportKey('PEM'))
+            self.stdout.write('RSA key successfully created at: ' + file_path)
+        except Exception as e:
+            self.stdout.write('Something goes wrong: ' + e.message)