crypto: implement simple certificate-key pair for easier management

passbook/crypto/apps.py

@@ -0,0 +1,10 @@
+"""passbook crypto app config"""
+from django.apps import AppConfig
+
+
+class PassbookCryptoConfig(AppConfig):
+    """passbook crypto app config"""
+
+    name = "passbook.crypto"
+    label = "passbook_crypto"
+    verbose_name = "passbook Crypto"